DE112016002453T5 - Systems, devices and methods related to diversity receivers - Google Patents

Abstract

Systems, devices and methods related to diversity receivers. In some embodiments, a receiving system may include a controller configured to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system, and a plurality of amplifiers, each of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system may further comprise at least two of the features consisting of (a) variable gain amplifiers, (b) phase shift components, (c) impedance matching components, (d) amplifiers downstream of the amplifiers, (e) a switch network, and (f) flexible band signal routing. In some embodiments, such a receiving system may be implemented as a diversity receiver module (DRx module).

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a divisional application of US patent application Ser. No. 14 / 727,739, filed Jun. 1, 2015, and entitled VARIABLE AMPLIFIERS DIVERSITY FRONTEND SYSTEM, which is the priority of US Provisional Application No. 62 / 073,043, filed on May 31, 2015 October 2014 and entitled DIVERSITÄTTSPHÄNGERFRONTENDSYSTEM, both of which are expressly incorporated herein by reference in their entirety.

This application is a divisional application of US Patent Application No. 14 / 734,759 filed on Jun. 9, 2015 and entitled PHASE DISPOSAL COMPONENTS DIVERSITY FRONT SYSTEM having priority of US Provisional Application No. 62 / 073,043 filed on Oct. 31, 2014 and titled No. 62 / 073,040 filed Oct. 31, 2014, entitled CARRIER BUNDLING USING LASH ADJUSTMENT AFTER AN LNA, and No. 62 / 073,039 filed Oct. 31, 2014, and entitled BAND EXTERNAL IMPEDANCE FITTING BEFORE A TRANSFER BUNDLING LNA the disclosure of which is hereby incorporated by reference in its entirety by reference.

This application is a divisional application of US Patent Application No. 14 / 734,775 filed on June 9, 2015 and entitled DIVERSITY FRONT SYSTEM WITH IMPEDANCE FITTING COMPONENTS, which is the priority of three US Provisional Applications No. 62 / 073,043 filed on Oct. 31, 2014 and entitled DIVERSITY RECEIVER FRONTEND SYSTEM, No. 62 / 073,040, filed October 31, 2014, and entitled TRUNK BUNDLING USING PHASE FITTING AFTER A LNA, and No. 62 / 073,039 filed Oct. 31, 2014 and entitled BAND EXTERNAL IMPEDANCE ADAPTATION BEFORE A TRANSFER BUNDLING LNA whose disclosure in this application is explicitly incorporated by reference in its entirety.

This application is a divisional application of U.S. Patent Application No. 14 / 735,482, filed Jun. 10, 2015, and entitled DIVERSITY RECEIVER FRONT SYSTEM WITH AMPLIFIED FILTERS, which is the priority of US Provisional Application No. 62 / 073,043, filed October 31 2014 and titled DIVERSITY RECEIVER FRONTEND SYSTEM, and US Provisional Application No. 62 / 077,894 filed Nov. 10, 2014 and entitled DIVERSITY RECEIVER ARCHITECTURE WITH LNA PREFABRICATION AND REFILLING SUPPORTED IN SUPPORT OF PAYUP BINDING, the disclosure of all of which is hereby incorporated by reference in this application is incorporated by reference explicitly in its entirety.

This application is a divisional application of U.S. Patent Application No. 14 / 734,746 filed on Jun. 9, 2015 and entitled DIVERSITY RECEIVER IN A FRONTEND SYSTEM WITH SWITCH NETWORK which is the priority of US Provisional Application No. 62 / 073,043, filed October 31 2014 and entitled DIVERSITY RECEIVER FRONTEND SYSTEM, and US Provisional Application No. 62 / 073,041 filed Oct. 31, 2014 and entitled ADAPTIVE MULTI-BAND LNA FOR CARRIER BINDING, the entire disclosure of which is expressly incorporated herein by reference in its entirety is recorded.

This application is a divisional application of US Patent Application No. 14 / 836,575 filed on Aug. 26, 2015 and entitled DIVERSITY RECEIVER FRONT END SYSTEM WITH ADAPTABLE BAND SIGNAL GUIDANCE, which is the priority of US Provisional Application No. 62 / 073,043, filed on Oct. 31, 2014 and entitled DIVERSITY RECEIVER FRONTEND SYSTEM, and US Provisional Application No. 62 / 073,042 filed Oct. 31, 2014 and entitled entitled ADAPTABLE MULTIPLE BAND RECEIVER MODULE USING MULTIPLE ANTENNAS, the disclosure of which is expressly incorporated herein by reference in its entirety.

BACKGROUND

area

The present disclosure generally relates to wireless communication systems having one or more diversity receiving antennas.

Description of known technique

In wireless communications applications, space, cost, and performance are examples of factors that can be attributed to importance in a particular product. For example, wireless performance enhancing components such as a diversity receiving antenna and related circuits are becoming more and more popular.

In many radio frequency (RF) applications, a diversity receiving antenna is placed spatially far from a primary antenna. If both antennas are used at the same time, a transceiver can process signals from both antennas to increase data throughput.

SUMMARY

In accordance with some embodiments, the present disclosure relates to a radio frequency (RF) receiving system having a controller configured to selectively activate one or more paths of a plurality of paths between an input of the receiving system and an output of the receiving system. The RF receiving system further includes a plurality of amplifiers, each arranged along an associated one of the plurality of paths and configured to amplify a signal received at the amplifier. The RF reception system further comprises two or more features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature, all configured for the RF reception system.

The first feature includes a plurality of bandpass filters, each arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band. At least some of the plurality of amplifiers are configured as a plurality of variable gain amplifiers (VGAs), each of which is configured to amplify the corresponding signal with gain controlled by an amplifier control signal received from the controller.

The second feature includes a plurality of phase shift components, each arranged along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component.

The third feature includes a plurality of impedance matching components, each arranged along a respective one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths.

The fourth feature includes a plurality of amplifier-connected bandpass filters each arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal to an associated frequency band.

The fifth feature includes a switch network having one or more single-pole power switches, each of which couples two of the plurality of paths together. The switch network is configured to be driven by the controller based on a band select signal.

The sixth feature includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and to output each of the one or more RF signals to one or more of a plurality of input multiplexer outputs, each along a propagate one or more of the plurality of paths, and an output multiplexer configured to receive one or more amplified RF signals propagating along the corresponding one or more of the plurality of paths, at one or more corresponding output multiplexer inputs, and each of the one or output a plurality of amplified RF signals at a selected one of a plurality of output multiplexer outputs.

In some embodiments, the RF receiving system may include the first feature and the second feature.

In some embodiments, the RF receiving system may include the first feature and the third feature.

In some embodiments, the RF receiving system may include the first feature and the fourth feature.

In some embodiments, the RF receiving system may include the second feature and the third feature.

In some embodiments, the RF receiving system may include the second feature and the fourth feature.

In some embodiments, the RF receiving system may include the third feature and the fourth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, and the third feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, and the fourth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, and the fourth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, and the fourth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, and the fourth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, and the fifth feature.

In some embodiments, the RF receiving system may include the second feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the third feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, the fourth feature, and the fifth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the third feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, the fourth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the third feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the third feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the third feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the second feature, the third feature, the fourth feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the first feature and the fifth feature.

In some embodiments, the RF receiving system may include the second feature and the fifth feature.

In some embodiments, the RF receiving system may include the third feature and the fifth feature.

In some embodiments, the RF receiving system may include the fourth feature and the fifth feature.

In some embodiments, the RF receiving system may include the first feature and the sixth feature.

In some embodiments, the RF receiving system may include the second feature and the sixth feature.

In some embodiments, the RF receiving system may include the third feature and the sixth feature.

In some embodiments, the RF receiving system may include the fourth feature and the sixth feature.

In some embodiments, the RF receiving system may include the fifth feature and the sixth feature.

In some embodiments, the RF receiving system may include the first feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the second feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the third feature, the fifth feature, and the sixth feature.

In some embodiments, the RF receiving system may include the fourth feature, the fifth feature, and the sixth feature.

In a number of embodiments, the present disclosure relates to a radio frequency (RF) module that includes a package substrate configured to receive a plurality of components and a receive system implemented on the package substrate. The receiving system includes a controller configured to selectively enable one or more paths of a plurality of paths between an input of the receiving system and an output of the receiving system, and a plurality of amplifiers, each along an associated one of the plurality of paths is arranged and adapted to amplify a signal received at the amplifier. The receiving system further comprises two or more features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature, all configured for the RF receiving system.

The first feature includes a plurality of bandpass filters, each arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band. At least some of the plurality of amplifiers are configured as a plurality of variable gain amplifiers (VGAs), each of which is configured to amplify the corresponding signal with gain controlled by an amplifier control signal received from the controller.

The second feature includes a plurality of phase shift components, each arranged along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component.

The third feature includes a plurality of impedance matching components, each arranged along a respective one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths.

The fourth feature includes a plurality of amplifier-connected bandpass filters each arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal to an associated frequency band.

The fifth feature includes a switch network having one or more single-pole power switches, each of which couples two of the plurality of paths together. The switch network is configured to be driven by the controller based on a band select signal.

The sixth feature includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and to output each of the one or more RF signals to one or more of a plurality of input multiplexer outputs, each along a propagate one or more of the plurality of paths, and an output multiplexer configured to receive one or more amplified RF signals propagating along the corresponding one or more of the plurality of paths, at one or more corresponding output multiplexer inputs, and each of the one or output a plurality of amplified RF signals at a selected one of a plurality of output multiplexer outputs.

In some embodiments, the RF module may be a diversity receiver front-end module (FEM).

In accordance with some teachings, the present disclosure relates to a wireless device having a first antenna configured to receive a first radio frequency (RF) signal and a first front end module (FEM) communicatively coupled with the first antenna is. The first FEM includes a housing substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system includes a controller configured to selectively enable one or more paths of a plurality of paths between an input of the receiving system and an output of the receiving system, and a plurality of amplifiers, each along an associated one of the plurality of paths is arranged and adapted to amplify a signal received at the amplifier. The receiving system further comprises two or more features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature, all configured for the RF receiving system. The wireless device further includes a transceiver configured to receive a processed version of the one or more RF signals from the receiving system and generate data bits based on the processed version of the one or more RF signals ,

The first feature includes a plurality of bandpass filters, each arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band. At least some of the plurality of amplifiers are configured as a plurality of variable gain amplifiers (VGAs), each of which is configured to amplify the corresponding signal with gain controlled by an amplifier control signal received from the controller.

The second feature includes a plurality of phase shift components, each arranged along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component.

The third feature includes a plurality of impedance matching components, each arranged along a respective one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths.

The fourth feature includes a plurality of amplifier-connected bandpass filters each arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal to an associated frequency band.

The fifth feature includes a switch network having one or more single-pole power switches, each of which couples two of the plurality of paths together. The switch network is configured to be driven by the controller based on a band select signal. The sixth feature includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and to output each of the one or more RF signals to one or more of a plurality of input multiplexer outputs, each along a propagate one or more of the plurality of paths, and an output multiplexer configured to receive one or more amplified RF signals propagating along the corresponding one or more of the plurality of paths, at one or more corresponding output multiplexer inputs, and each of the one or output a plurality of amplified RF signals at a selected one of a plurality of output multiplexer outputs.

In some embodiments, the wireless device may be a mobile phone.

For purposes of summarizing the disclosure, certain aspects, advantages, and novel features of the inventions are described herein. It should be understood that not necessarily all such advantages with respect to particular embodiments of the invention are always achieved. Therefore, the invention may be embodied or practiced in a manner that achieves or optimizes any benefit or group of benefits set forth herein without necessarily having to attain other advantages taught or suggested herein.

BRIEF DESCRIPTION OF THE DRAWINGS

1 shows a wireless device with a communication module which is coupled to a primary antenna and a diversity antenna.

2 shows a configuration of a diversity receiver (DRx) with a DRx front-end module (FEM).

3 FIG. 12 shows that, in some embodiments, a diversity receiver (DRx) configuration may include a DRx module having multiple paths associated with multiple frequency bands.

4 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a diversity RF module with fewer amplifiers than a diversity receiver module (DRx module).

5 Figure 5 illustrates that in some embodiments, a diversity receiver configuration may include a DRx module coupled to a filter external to the module.

6 shows that in some embodiments, the gain of a variable gain amplifier may be bypassable.

7 shows that in some embodiments, the gain of a variable gain amplifier may be stepwise or continuously adjustable.

8th FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module with tunable matching circuits.

9 shows that in some embodiments, a diversity receiver configuration may include multiple antennas.

10 shows an embodiment of a process flow diagram of a method for processing an RF signal.

11 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module having one or more phase matching components.

12 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having one or more phase matching components and two-stage amplifiers.

13 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having one or more phase matching components and an amplifier connected after a combiner.

14 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module having tunable phase shift components.

15 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having one or more impedance matching components.

16 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having tunable impedance matching components.

17 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having tunable impedance matching components disposed at the input and the output.

18 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module having multiple tunable components.

19 shows an embodiment of a process flow diagram of a method for processing an RF signal.

20 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a diversity receiver module (DRx module) having a plurality of band pass filters disposed at the outputs of a plurality of amplifiers.

21 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a diversity RF module with fewer amplifiers than a diversity receiver module (DRx module).

22 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module coupled to a module-external filter.

23 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module with tunable matching circuits.

24 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include a DRx module with a single pole power switch.

25 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module having tunable phase shift components.

26 shows an embodiment of a process flow diagram of a method for processing an RF signal.

27 FIG. 12 shows that in some embodiments, a diversity receiver configuration may include a DRx module with tunable matching circuits.

28 shows that in some embodiments, a diversity receiver configuration may include multiple transmission lines.

29 shows an embodiment of an output multiplexer that can be used for dynamic forwarding.

30 shows a further embodiment of an output multiplexer that can be used for dynamic forwarding.

31 shows that in some embodiments, a diversity receiver configuration may include multiple antennas.

32 shows an embodiment of an input multiplexer that can be used for dynamic forwarding.

33 shows a further embodiment of an input multiplexer, which can be used for dynamic forwarding.

34 to 39 show various embodiments of a DRx module with dynamic input and / or output signal.

40 shows an embodiment of a process flow diagram of a method for processing an RF signal.

41A and 41B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein and one or more features of Example B described herein.

42A and 42B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein and one or more features of Example C described herein.

43A and 43B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein and one or more features of Example D described herein.

44A and 44B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example B described herein and one or more features of Example C described herein.

45A and 45B show that, in some embodiments, a diversity receiver configuration may include one or more features of Example B described herein and one or more features of Example D described herein.

46A and 46B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example C described herein and one or more features of Example D described herein.

47A and 47B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example C described herein.

48A and 48B show that, in some embodiments, a diversity receiver configuration may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example D described herein.

49A and 49B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example D described herein.

50A and 50B show that, in some embodiments, a diversity receiver configuration may include one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example D described herein.

51A and 51B show that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example D described herein can.

52A and 52B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example E described herein.

53A and 53B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example E described herein.

54A and 54B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example D described herein, and one or more features of Example E described herein.

55A and 55B show that, in some embodiments, a diversity receiver configuration may include one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example E described herein.

56A and 56B show that, in some embodiments, a diversity receiver configuration may include one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of Example E described herein.

57A and 57B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of example C described herein, one or more features of example D described herein, and one or more features of example E described herein.

58A and 58B show that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example E described herein can.

59A and 59B show that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of Example E described herein can.

60A and 60B show that in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example E described herein can.

61A and 61B show that in some embodiments, a configuration of a diversity receiver includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example E described herein can.

62A and 62B show that, in some embodiments, a diversity receiver configuration may include one or more features of example A described herein, one or more features of example B described herein, one or more features of example C described herein, one or more features of example D described herein may have one or more features of Example E described herein.

63 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example F described herein.

64 FIG. 12 shows that in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example F described herein.

65 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example A described herein, one or more features of example D described herein, and one or more features of example F described herein.

66 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example B described herein, one or more features of example C described herein, and one or more features of example F described herein.

67 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example B described herein, one or more features of example D described herein, and one or more features of example F described herein.

68 shows that, in some embodiments, a diversity receiver configuration may include one or more features of example C described herein, one or more features of example D described herein, and one or more features of example F described herein.

69 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example F described herein can.

70 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of Example F described herein can.

71 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example F described herein can.

72 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example F described herein can.

73 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein may have one or more features of Example F described herein.

74 12 shows that in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

75 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

76 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example D described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

77 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

78 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example B described herein, one or more features of Example D described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

79 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example C described herein, one or more features of Example D described herein, one or more features of Example E described herein, and one or more features of Example F described herein can.

80 FIG. 12 shows that, in some embodiments, a diversity receiver configuration includes one or more features of example A described herein, one or more features of example B described herein, one or more features of example C described herein, one or more features of example E described herein may have one or more features of Example F described herein.

81 FIG. 12 shows that, in some embodiments, a diversity receiver configuration includes one or more features of example A described herein, one or more features of example B described herein, one or more features of example D described herein, one or more features of example E described herein may have one or more features of Example F described herein.

82 FIG. 12 shows that, in some embodiments, a diversity receiver configuration includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, one or more features of Example E described herein, and FIG may have one or more features of Example F described herein.

83 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, one or more features of Example E described herein, and FIG may have one or more features of Example F described herein.

84 12 shows that, in some embodiments, a configuration of a diversity receiver includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein. may have one or more features of example E described herein and one or more features of example F described herein.

85A and 85B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein and one or more features of Example E described herein.

86A and 86B show that in some embodiments a configuration of a diversity receiver may include one or more features of Example B described herein and one or more features of Example E described herein.

87A and 87B show that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example C described herein and one or more features of Example E described herein.

88A and 88B show that, in some embodiments, a diversity receiver configuration may include one or more features of example D described herein and one or more features of example E described herein.

89 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein and one or more features of Example F described herein.

90 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example B described herein and one or more features of Example F described herein.

91 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example C described herein and one or more features of example F described herein.

92 shows that, in some embodiments, a diversity receiver configuration may include one or more features of example D described herein and one or more features of example F described herein.

93 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example E described herein and one or more features of example F described herein.

94 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of Example A described herein, one or more features of Example E described herein, and one or more features of Example F described herein.

95 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example B described herein, one or more features of example E described herein, and one or more features of example F described herein.

96 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver may include one or more features of example C described herein, one or more features of example E described herein, and one or more features of example F described herein.

97 FIG. 12 shows that, in some embodiments, a diversity receiver configuration may include one or more features of example D described herein, one or more features of example E described herein, and one or more features of example F described herein.

98 shows that, in some embodiments, a configuration of a diversity receiver having one or more of the features described herein may be implemented in a module such as a diversity receive module (DRx module).

99 shows a diversity receiver architecture having one or more of the features described herein.

100 shows a wireless device having one or more of the features described herein.

DETAILED DESCRIPTION OF SOME EMBODIMENTS

The headings used herein, if any, are for convenience only and do not necessarily limit the scope or meaning of the claimed invention.

introduction

1 shows a wireless device 100 with a communication module 110 , which with a primary antenna 130 and a diversity antenna 140 is coupled. The communication module 110 (and its components) can be controlled by a control device 120 to be controlled. The communication module 110 includes a transceiver 112 , which is designed to convert between analog high-frequency signals (RF signals) and digital data signals. For this purpose, the transceiver 112 a digital-to-analog converter, an analog-to-digital converter, a local oscillator for modulating and demodulating an analog baseband signal to or from a carrier frequency, a baseband processor operating between digital values and data bits (e.g., voice or other Types of data) converts, or have other components.

The communication module 110 also includes an RF module 114 which is between the primary antenna 130 and the transceiver 112 is coupled. Because the RF module 114 can be arranged to reduce attenuation due to cable loss in close proximity to the primary antenna, the RF module 114 be referred to as front-end module (FEM). The RF module 114 may be a processing of an analog signal coming from the primary antenna 130 for the transceiver 112 or from the transceiver 112 for transmission through the primary antenna 130 Will be received. For this, the RF module 114 Include filters, power amplifiers, band select switches, matching circuits, and other components. Similarly, the communication module 110 a diversity RF module 116 which is between the diversity antenna 140 and the transceiver 112 coupled and performs similar processing steps.

When a signal is sent to the wireless device, the signal can be sent to both the primary antenna 130 as well as the diversity antenna 140 be received. The primary antenna 140 and the diversity antenna 140 can be spatially separated, leaving the signal at the primary antenna 130 and the diversity antenna 140 is received with different characteristics. For example, in one embodiment, the primary antenna 130 and the diversity antenna 140 receive the signal with different attenuation, noise, frequency response or phase shift. The transceiver 112 can use both signals with their different characteristics to determine data bits corresponding to the signal. In some embodiments, the transceiver may be 112 between the primary antenna 130 and the diversity antenna 140 based on the characteristics, such as the antenna with the highest signal-to-noise ratio. In some embodiments, the transceiver may be 112 the signals from the primary antenna 130 and the diversity antenna 140 combine to increase the signal-to-noise ratio of the combined signal. In some embodiments, the transceiver processes 112 the signals to perform multiple input / multiple output (MIMO) communication.

Because the diversity antenna 140 spatially from the primary antenna 130 is spaced, is the diversity antenna 140 with the communication module 110 via a transmission line 135 , such as a cable or a printed circuit board connected to a printed circuit board (PCB). In some embodiments, the transmission line is 135 lossy and dampens that at the diversity antenna 140 received signal before it is the communication module 110 reached. Therefore, as below with respect to some embodiments, a gain is applied to that at the diversity antenna 140 received signal applied. The gain (as well as analogous processing steps such as filtering) can be performed by a diversity receiver module. Because such a diversity receiver module is spatially close to the diversity antenna 140 is arranged, it may be referred to as a diversity front-end module.

2 shows a configuration of a diversity receiver (DRx) 200 with a DRx front-end module (FEM) 210 , The DRx configuration 200 includes a diversity antenna 140 which is adapted to receive a diversity signal and the same to the DRx FEM 210 transferred to. The DRx FEM 210 is designed to be that of the diversity antenna 140 to receive the received diversity signal. For example, that can DRx FEM 210 be configured to filter the diversity signal to one or more active frequency bands, such as by the controller 120 specified. In another example, the DRx FEM 210 be designed to amplify the diversity signal. For this, the DRx FEM 210 Include filters, power amplifiers, band select switches, matching circuits, and other components.

The DRx FEM 210 transmits the processed diversity signal over a transmission line 135 to the diversity RF module (D-RF module) 116 which transmits a further processed diversity signal into the transceiver 112 feeds. The D-HF module 116 (and in some embodiments, the transceiver) is by the controller 120 controlled. In some embodiments, the control device 120 within the transceiver 112 be implemented.

3 shows that in some embodiments a configuration 300 a diversity receiver (DRx) a DRx module 310 may include paths associated with a plurality of frequency bands. The DRx configuration 300 includes a diversity antenna 140 which is adapted to receive a diversity signal. In some embodiments, the diversity signal may include a single-band signal with data that has been modulated onto a single frequency band. In some embodiments, the diversity signal may include a multi-band signal (also referred to as a cross-band carrier burst signal) with data that has been modulated onto multiple frequency bands.

The DRx module 310 has an input which receives the diversity signal from the diversity antenna 140 receives, and an output which a processed diversity signal to the transceiver 330 (via the transmission line 135 and the D-RF module 320 ). The input of the DRx module 310 feeds an input of a first multiplexer 311 , The first multiplexer (MUX) 311 includes a plurality of multiplexer outputs, each of which is a path between the input and the output of the DRx module 310 assigned. Each of the paths may be associated with a respective frequency band. The output of the DRx module 310 is from the output of a second multiplexer 312 educated. The second multiplexer 312 includes a plurality of multiplexer inputs, each of which is one of the paths between the input and the output of the DRx module 310 assigned.

The frequency bands may be, for example, mobile radio bands, such as UMTS bands ("Universal Mobile Telecommunications System"). For example, a first frequency band may be a UMTS downlink band or "Rx" band 2 between 1930 megahertz (MHz) and 1990 MHz, and a second frequency band may be a UMTS downlink band or "Rx" band 5 between 869 MHz and 894 MHz. Other downlink frequency bands may also be used, such as those described below in Table 1 or other non-UMTS frequency bands.

In some embodiments, the DRx module includes 310 a DRx controller 302 which signals from the controller 120 receives (also referred to as communication controller) and selectively activates one or more of the paths between the input and the output based on the received signals. In some embodiments, the DRx module includes 310 no DRx controller 302 and the controller 120 selectively selectively activates the one or more of the paths.

As noted above, in some embodiments, the diversity signal is a binding signal. Therefore, the first multiplexer 311 in some embodiments, a single pole multiple change-over switch (SPMT) which applies the diversity signal to a path of the plurality of paths associated with the frequency band of the envelope signal based on one of the DRx control means 302 received signal passes. The DRx controller 302 For example, the signal may be based on a signal provided by the DRx controller 302 from the communication control device 120 generate received band selection signal. Similarly, the second multiplexer 312 in some embodiments, be an SPMT switch which receives the signal from the path of the plurality of paths associated with the frequency band of the envelope signal based on one of the DRx control means 302 forward received band selection signal.

As noted above, in some embodiments, the diversity signal is a multi-band signal. Therefore, the first multiplexer 311 in some embodiments, a signal divider that couples the diversity signal to two or more paths of the plurality of paths associated with the two or more frequency bands of the multi-band signal, based on one of the DRx controller 302 received divider control signal divides. The function of the signal divider can be used as an SPMT switch, a two-way crossover filter ( Diplexer) or a combination of these can be implemented. Similarly, the second multiplexer 312 in some embodiments, a signal combiner that receives the signals from two or more of the two or more frequency bands of the multi-band signal associated paths of the plurality of paths based on one of the DRx controller 302 received combiner control signal combined. The function of the signal combiner may be implemented as an SPMT switch, a two-way diplexer, or a combination thereof. The DRx controller 302 For example, the divider control signal and the combiner control signal may be based on a DRx control device 302 from the communication control device 120 generate received band selection signal.

Therefore, the DRx controller 302 in some embodiments, be configured to selectively select one or more of the plurality of paths based on a DRx control device 302 (eg, from the communication controller 120 ) to activate the selected band selection signal. In some embodiments, the DRx controller is 302 adapted to selectively activate one or more of the plurality of paths by transmitting a divider control signal to a signal divider and a combiner control signal to a signal combiner.

The DRx module 310 includes a variety of bandpass filters 313a to 313d , Each of the bandpass filters 313a to 313d is arranged along a respective associated path of the plurality of paths and adapted to filter a signal received at the bandpass filter to the respective frequency band of the associated path of the plurality of paths. In some embodiments, the bandpass filters are 313a to 313d further configured to filter a signal received at the bandpass filter to a downlink frequency subband of the respective frequency band of the associated one of the plurality of paths. The DRx module 310 includes a variety of amplifiers 314a to 314d , Each of the amplifiers 314a to 314d is arranged along a respective associated path of the plurality of paths and configured to amplify a signal received at the amplifier.

In some embodiments, the amplifiers 314a to 314d narrowband amplifiers designed to amplify a signal within the respective frequency band of the path in which the amplifier is located. In some embodiments, the amplifiers 314a to 314d through the DRx controller 302 controllable. For example, in some embodiments, each of the amplifiers includes 314a to 314d an enable / disable input and is enabled (or disabled) based on an amplifier enable signal received at the enable / disable input. The amplifier enable signal may be provided by the DRx controller 302 be transmitted. Therefore, the DRx controller 302 in some embodiments, be configured to selectively address one or more of the plurality of paths by transmitting an amplifier enable signal to one or more of the amplifiers 314a to 314d Activate each of which is disposed along the one or more of the plurality of paths. In such embodiments, the first multiplexer 311 without control by the DRx controller 302 a signal divider which forwards the diversity signal to each of the plurality of paths, and the second multiplexer 312 may be a signal combiner combining the signals from each of the plurality of paths. However, in embodiments where the DRx controller 302 the first multiplexer 311 and the second multiplexer 312 controls, the DRx controller 302 also special amplifiers 314a to 314d activate (or deactivate), eg B. to save battery power.

In some embodiments, the amplifiers 314a to 314d Variable gain amplifiers (VGAs). Therefore, the DRx module can 301 in some embodiments, including a plurality of variable gain amplifiers (VGAs) each arranged along an associated one of the plurality of paths and configured to receive a signal received at the VGA with a signal received from the DRx controller 302 amplified amplifier control signal to amplify controlled gain.

The gain of a VGA may be bypassable, stepwise variable, or continuously variable. In some implementations, at least one of the VGAs may include a constant gain amplifier and a bypass switch that is controllable by the amplifier control signal. The bypass switch may (in a first switch position) terminate a line from an input of the constant gain amplifier to an output of the constant gain amplifier such that a signal may bypass the constant gain amplifier. The bypass switch may (in a second switch position) open the line between the input and the output so that a signal must pass through the amplifier with constant gain. In some implementations, when the bypass switch is in the first switching position, the constant gain amplifier is deactivated or otherwise reconfigured to allow the bypass operation.

In some embodiments, at least one of the VGAs includes a step-variable gain amplifier configured to amplify the signal received at the VGA with a gain that corresponds to an amount of a plurality of predefined amounts predetermined by the amplifier control signal. In some embodiments, at least one of the VGAs includes one A continuously variable gain amplifier configured to amplify the signal received at the VGA with a gain that is proportional to the amplifier control signal.

In some embodiments, the amplifiers 314a to 314d Variable-current amplifier (VCAs, "variable-current amplifier"). The current drawn by a VCA may be bypassable, stepwise variable, or continuously variable. In some embodiments, at least one of the VCAs includes a constant current amplifier and a bypass switch that is controllable by the amplifier control signal. The bypass switch may (in a first switch position) close a line between an input of the constant-current amplifier and an output of the constant-current amplifier so that a signal can bypass the constant-current amplifier. The bypass switch may (in a second switch position) open the line between the input and the output so that a signal must pass through the constant current amplifier. In some implementations, when the bypass switch is in the first switching position, the constant current amplifier is deactivated or otherwise reconfigured to allow the bypass operation.

In some implementations, at least one of the VCAs includes a step-variable-current amplifier configured to amplify the signal received at the VCA by receiving a current corresponding to an amount of a plurality of predefined magnitudes predetermined by the amplifier control signal. In some embodiments, at least one of the VCAs includes a continuous variable amperage amplifier configured to amplify a signal received at the VCA while receiving a current proportional to the amplifier control signal.

In some embodiments, the amplifiers 314a to 314d Amplifier with constant gain and constant current. In some embodiments, the amplifiers 314a to 314d Amplifier with constant gain and variable current. In some embodiments, the amplifiers 314a to 314d Amplifier with variable gain and constant current. In some embodiments, the amplifiers 314a to 314d Amplifier with variable gain and variable current.

In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on a quality of service (QoS) of an input signal received at the input. In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on one of the communication control means 120 received signal, which in turn based on a quality of service metric (QoS metric) of the received signal. The QoS metric of the received signal may be at least partially on that at the diversity antenna 140 received diversity signal (e.g., an input signal received at the input). The QoS metric of the received signal may further be based on a signal received at the primary antenna. In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on a QoS metric of the diversity signal without receiving a signal from the communication controller 120 to obtain.

In some implementations, the QoS metric includes a signal strength. As another example, the QoS metric may include a bit error rate (BER), data throughput, transmission delay, or any other QoS metric.

As mentioned above, the DRx module has 310 an input that receives the diversity signal from the diversity antenna 140 receives, and an output, a processed diversity signal to the transceiver 330 (via the transmission line 135 and the diversity RF module 320 ). The diversity RF module 320 receives the processed diversity signal over the transmission line 135 and performs further processing steps. In particular, the processed diversity signal is provided by a diversity RF multiplexer 321 split or directed on one or more paths, on which the split or conducted signal through appropriate band pass filter 323a to 323d filtered and through appropriate amplifiers 324a to 324d is reinforced. The output signals of each of the amplifiers 324a to 324d be in the transceiver 330 fed.

The diversity RF multiplexer 321 can by the control device 120 (either directly or via an on-chip diversity RF controller) for selectively activating one or more of the paths. Similarly, any of the amplifiers 324a to 324d through the control device 120 to be controlled. For example, any of the amplifiers 324a to 324d in some embodiments, have an enable / disable input through which the amplifier can be enabled (or disabled) by means of an amplifier enable signal. In some embodiments, the amplifiers 324a to 324d Variable gain amplifiers (VGAs) that amplify a signal received at the VGA with gain amplified by a control device 120 (or on-chip, by the controller 120 controlled diversity RF controller). In some embodiments, the amplifiers 324a to 324d Amplifier with variable current consumption (VCAs).

By adding the DRx module 310 to the receiver chain, which already has the diversity RF module 320 The number of band pass filters in the DRx configuration doubles 300 , Therefore, in some embodiments, the bandpass filters 323a to 323d not in the diversity RF module 320 added. Instead, the bandpass filters 313a to 313d of the DRx module 310 used to reduce the strength of out-of-band blockers. In addition, the automatic gain control (AGC) table of the diversity RF module 320 be changed to the amount of through the amplifier 324a to 324d of the diversity RF module 320 caused amplification by the amount of the amplifiers 314a to 314d of the DRx module 310 to reduce the amplification caused.

For example, the diversity RF module looks 320 a sensitivity of -85 dBm if the gain of the DRx module is 15 dB and the sensitivity of the receiver is -100 dBm. If the feedback of the AGC of the diversity RF module 320 active, becomes the gain of the diversity RF module 320 automatically decrease by 15 dB. However, both signal components and out-of-band blockers are received at 15 dB gain. Therefore, the lowering of the gain of the diversity RF module becomes 320 by 15 dB with an increase in the linearity of the diversity RF module 320 accompanied by 15 dB. In particular, the amplifier 324a to 324d of the diversity RF module 320 can be designed to increase the linearity of amplifiers with reduced gain (or increased power consumption).

In some embodiments, the controller controls 120 the gain (and / or amperage) of the amplifiers 314a to 314d of the DRx module 310 and the amplifier 324a to 324d of the diversity RF module 320 , As in the above example, the control device 120 the amount of through the amplifier 324a to 324d of the diversity RF module 320 In return for increasing the amount of money provided by the amplifiers 314a to 314d of the DRx module 310 reduce the gain. Therefore, the control device 120 be designed in some embodiments, a control signal for downstream amplifier (for the amplifier 324a to 324d of the diversity RF module 320 ) based on the amplifier control signal (for the amplifiers 314a to 314d of the DRx module 310 ) to amplify the gain of one or more of the downstream amplifiers 324a to 324d connected to the output (of the DRx module 310 ) over the transmission line 135 are coupled to control. In some embodiments, the controller controls 120 also the gain of other components of the wireless device, such as amplifiers in the front-end module (FEM) based on the amplifier control signal.

As noted above, in some embodiments, the bandpass filters 323a to 323d not included. Therefore, at least one of the downstream amplifiers 324a to 324d with the output (of the DRx module 310 ) over the transmission line 135 coupled without a downstream bandpass filter is passed.

4 FIG. 12 shows that in some embodiments a configuration of a diversity receiver 400 a diversity RF module 420 which has fewer amplifiers than a diversity receiver module (DRx module). 310 , The configuration of a diversity receiver 400 includes a diversity antenna 140 and DRx module 310 as above regarding 3 described. The output of the DRx module 310 is via a transmission line 135 to a diversity RF module 420 connected, which differs from the diversity RF module 320 of the 3 in it differs that the diversity RF module 420 of the 4 less amplifiers than the DRx module 310 having.

As noted above, the diversity RF module includes 420 in some embodiments, no bandpass filters. Therefore, the one or more amplifiers 424 the diversity RF module 420 in some embodiments not necessarily be band specific. In particular, the diversity RF module 420 one or more paths, each with an amplifier 424 include, not on a 1: 1 basis, the paths of the DRx module 310 assigned. Such an association of paths (or the corresponding amplifiers) may be in the control device 120 get saved.

Opposite the DRx module 310 which has a number of paths corresponding to the number of frequency bands, the diversity RF module 420 accordingly, have one or more paths not associated with a single frequency band.

In some embodiments (as in 4 shown) includes the diversity RF module 420 a single broadband or tunable amplifier 424 which is via the transmission line 135 amplified received signal and an amplified signal to a multiplexer 421 emits. The multiplexer 421 comprises a plurality of multiplexer outputs, each associated with a respective frequency band. In some embodiments, the diversity RF module includes 420 no amplifiers at all.

In some embodiments, the diversity signal is a binding signal. Therefore, the multiplexer 421 in some embodiments, a single-pole multiple change-over switch (SPMT) which applies the diversity signal to an output of the plurality of outputs associated with the frequency band of the envelope signal on the basis of one of the control means 120 received signal passes. In some embodiments, the diversity signal is a multi-band signal. Therefore, the multiplexer 421 in some implementations, a signal divider that distributes the diversity signal to two or more outputs of the plurality of outputs associated with the two or more frequency bands of the multi-band signal based on one of the control means 120 received divider control signal divides. In some embodiments, the diversity RF module may be 420 with the transceiver 330 be united in a single module.

In some embodiments, the diversity RF module includes 420 several amplifiers, each associated with a set of frequency bands. The signal of the transmission line 135 may be fed to a band divider which outputs high frequencies along a first path to a high frequency amplifier and low frequencies along a second path to a low frequency amplifier. The output of each of the amplifiers can be sent to the multiplexer 421 be connected, which in turn is adapted to the signal to the corresponding inputs of the transceiver 330 forward.

5 FIG. 12 shows that in some embodiments a configuration of a diversity receiver 500 a DRx module 510 may include, which with a filter 513 is coupled outside of the module. The DRx module 510 may be a case substrate 501 , which is adapted to receive a plurality of components, and one on the housing substrate 501 implemented receiving system include. The DRx module 510 may include one or more signal paths coming from the DRx module 510 and be provided to a system integrator, designer, or manufacturer to provide a filter for any desired tape.

The DRx module 510 includes a number of paths between the input and the output of the DRx module 510 , The DRx module 510 includes a bypass path between the input and the output, which is passed through the DRx controller 502 controlled bypass switch 519 is activated. Even though 5 a single bypass switch 519 discloses the bypass switch 519 in some embodiments, having a plurality of switches (eg, a first switch in close proximity to the input and a second switch in close proximity to the output). As in 5 As shown, the bypass path does not include a filter or amplifier.

The DRx module 510 comprises a number of multiplexer paths which comprise a first multiplexer 511 and a second multiplexer 512 exhibit. The multiplexer paths include a number of module-side paths that are the first multiplexer 511 , one on the housing substrate 501 implemented bandpass filter 313a to 313d , one on the housing substrate 501 implemented amplifier 314a to 314d and the second multiplexer 512 include. The multiplexer paths include a number of module-external - 2--3--4--5--6--7--8--9--10--11--12--13--14--15- -16--17--18--19--20--21--22--23--24--25--26--27--28--29--30--31--32 --33--34--35--36--1n broadband amplifier, which is on the package substrate 501 or outside the package substrate 501 can be implemented. As described above, the amplifiers 314a to 314d . 514 Be variable-gain amplifier and / or variable-current amplifier.

The DRx controller 502 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some embodiments, the DRx controller may 502 be configured to one or more of the plurality of paths based on a by the DRx controller 502 (e.g., from a communication controller), to selectively enable the band select signal received. The DRx controller 502 For example, you can open the paths by opening or closing the bypass switch 519 by activating or deactivating the amplifiers 314a to 314d . 514 by controlling the multiplexers 511 . 512 or selectively activate using other approaches. For example, the DRx controller 502 Switch along the path (eg between the filters 313a to 313d . 513 and the amplifiers 314a to 314d . 514 ) open or close or amplify the amplifiers 314a to 314d . 514 set to almost zero.

Example A: Variable gain amplifier

As described herein, received signal processing amplifiers may be variable gain amplifiers (VGAs). Thus, in some implementations, a DRx module may include a plurality of variable gain amplifiers (VGAs), each arranged along an associated one of the plurality of paths and configured to receive a signal received at the VGA with a signal received by one of amplify a gain control signal received by a DRx controller.

The gain of a VGA may, in some embodiments, be bypassable, stepwise variable, or continuously variable. 6 shows that in some embodiments, a variable gain amplifier A350 may be bypassable. The VGA A350 includes a constant gain amplifier A351 and a bypass switch A352 which is controllable by an amplifier control signal generated by a DRx controller A302. The bypass switch A352 may connect (in a first switch position) a line from an input of the constant gain amplifier A351 to an output of the constant gain amplifier so that a signal can bypass the constant gain amplifier A351. The bypass switch may open A352 (in a second switch position) between the input of the constant gain amplifier A351 and the constant gain amplifier A351 output, so that a signal must pass through the constant gain amplifier A351. In some implementations, when the bypass switch is in the first switching position, the constant gain amplifier is deactivated or otherwise reconfigured to allow the bypass operation. Referring to the example of 3 can be at least one of the amplifiers 314a to 314d a constant gain amplifier and a controllable by the amplifier control signal bypass switch.

7 shows that in some embodiments, the gain of a variable gain amplifier A360 may be step-variable or continuously variable. In some implementations, the VGA A360 may be incrementally variable and amplify the signal received at the input of the VGA A360 in response to a digital amplifier control signal generated by the DRx controller A302 having a gain equal to an amount predetermined by the digital signal predefined amounts. In some implementations, the VGA A360 may be continuously variable and amplify the signal received at the input of the VGA A360 in response to an analog amplifier control signal generated by the DRx controller A302 having a gain that is proportional to a parameter (eg, a) Voltage or duty cycle) of the analog signal. Referring to the example of 3 may, in some embodiments, be at least one of the VGAs 314a to 314d a step-variable gain amplifier configured to amplify the signal received at the VGA with a gain corresponding to an amount of a plurality of predefined magnitudes predetermined by the amplifier control signal. In some embodiments, at least one of the VGAs includes 314a to 314d of the 3 a continuously variable gain amplifier configured to amplify the signal received at the VGA with a gain which is proportional to the amplifier control signal.

In some embodiments, the amplifiers 314a to 314d Variable-current amplifier (VCAs, "variable-current amplifier"). The current drawn by a VCA may be bypassable, stepwise variable, or continuously variable. In some embodiments, at least one of the VCAs includes a constant current amplifier and a bypass switch that is controllable by the amplifier control signal. The bypass switch may (in a first switch position) close a line between an input of the constant-current amplifier and an output of the constant-current amplifier so that a signal can bypass the constant-current amplifier. The bypass switch may (in a second switch position) open the line between the input and the output so that a signal must pass through the constant current amplifier. In some implementations, when the bypass switch is in the first switching position, the constant current amplifier is deactivated or otherwise reconfigured to allow the bypass operation.

In some implementations, at least one of the VCAs comprises a step-variable-current amplifier configured to amplify the signal received at the VCA by receiving a current corresponding to an amount of a plurality of predefined magnitudes predetermined by the amplifier control signal. In some embodiments, at least one of the VCAs includes a continuous variable amperage amplifier configured to amplify a signal received at the VCA while receiving a current proportional to the amplifier control signal.

In some embodiments, the amplifiers 314a to 314d Amplifier with constant gain and constant current. In some embodiments, the amplifiers 314a to 314d Amplifier with constant gain and variable current. In some embodiments, the amplifiers 314a to 314d Amplifier with variable gain and constant current. In some embodiments, the amplifiers 314a to 314d Amplifier with variable gain and variable current.

In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on a quality of service (QoS) of an input signal received at the input. In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on one of the communication control means 120 received signal, which in turn based on a quality of service metric (QoS metric) of the received signal. The QoS metric of the received signal may be at least partially on that at the diversity antenna 140 received diversity signal (e.g., an input signal received at the input). The QoS metric of the received signal may further be based on a signal received at the primary antenna. In some implementations, the DRx controller generates 302 the amplifier control signal (s) based on a QoS metric of the diversity signal without receiving a signal from the communication controller 120 to obtain.

In some implementations, the QoS metric includes a signal strength. As another example, the QoS metric may include a bit error rate (BER), data throughput, transmission delay, or any other QoS metric.

As mentioned above, the DRx module has 310 an input that receives the diversity signal from the diversity antenna 140 receives, and an output, a processed diversity signal to the transceiver 330 (via the transmission line 135 and the diversity RF module 320 ). The diversity RF module 320 receives the processed diversity signal over the transmission line 135 and performs further processing steps. In particular, the processed diversity signal is provided by a diversity RF multiplexer 321 split or directed on one or more paths, on which the split or conducted signal through appropriate band pass filter 323a to 323d filtered and through appropriate amplifiers 324a to 324d is reinforced. The output signals of each of the amplifiers 324a to 324d be in the transceiver 330 fed.

The diversity RF multiplexer 321 can by the control device 120 (either directly or via an on-chip diversity RF controller) for selectively activating one or more of the paths. Similarly, any of the amplifiers 324a to 324d by the control device 120 to be controlled. For example, any of the amplifiers 324a to 324d in some embodiments, have an enable / disable input through which the amplifier can be enabled (or disabled) by means of an amplifier enable signal. In some embodiments, the amplifiers 324a to 324d Variable gain amplifiers (VGAs) that amplify a signal received at the VGA with gain amplified by a control device 120 (or on-chip, by the controller 120 controlled diversity RF controller). In some embodiments, the amplifiers 324a to 324d Amplifier with variable current consumption (VCAs).

By adding the DRx module 310 to the receiver chain, which already has the diversity RF module 320 The number of band pass filters in the DRx configuration doubles 300 , Therefore, in some embodiments, the bandpass filters 323a to 323d not in the diversity RF module 320 added. Instead, the bandpass filters 313a to 313d of the DRx module 310 used to reduce the strength of out-of-band blockers. In addition, the automatic gain control (AGC) table of the diversity RF module 320 be changed to the amount of through the amplifier 324a to 324d of the diversity RF module 320 caused amplification by the amount of the amplifiers 314a to 314d of the DRx module 310 to reduce the amplification caused.

For example, the diversity RF module looks 320 a sensitivity of -85 dBm if the gain of the DRx module is 15 dB and the sensitivity of the receiver is -100 dBm. If the feedback of the AGC of the diversity RF module 320 active, becomes the gain of the diversity RF module 320 automatically decrease by 15 dB. However, both signal components and out-of-band blockers are received at 15 dB gain. Therefore, the lowering of the gain of the diversity RF module becomes 320 by 15 dB with an increase in the linearity of the diversity RF module 320 accompanied by 15 dB. In particular, the amplifier 324a to 324d of the diversity RF module 320 can be designed to increase the linearity of amplifiers with reduced gain (or increased power consumption).

In some embodiments, the controller controls 120 the gain (and / or amperage) of the amplifiers 314a to 314d of the DRx module 310 and the amplifier 324a to 324d of the diversity RF module 320 , As in the above example, the control device 120 the amount of through the amplifier 324a to 324d of the diversity RF module 320 In return for increasing the amount of money provided by the amplifiers 314a to 314d of the DRx module 310 reduce the gain. Therefore, the control device 120 be designed in some embodiments, a control signal for downstream amplifier (for the amplifier 324a to 324d of the diversity RF module 320 ) based on the amplifier control signal (for the amplifiers 314a to 314d of the DRx module 310 ) to amplify the gain of one or more of the downstream amplifiers 324a to 324d connected to the output (of the DRx module 310 ) over the transmission line 135 are coupled to control. In some embodiments, the controller controls 120 also the gain of other components of the wireless device, such as amplifiers in the front-end module (FEM) based on the amplifier control signal.

As noted above, in some embodiments, the bandpass filters 323a to 323d not included. Therefore, at least one of the downstream amplifiers 324a to 324d with the output (of the DRx module 310 ) over the transmission line 135 coupled without a downstream bandpass filter is passed. Examples relating to such implementations are described herein with reference to FIG 4 described.

8th FIG. 12 shows that in some embodiments, a configuration of a diversity receiver A600 may include a DRx module A610 having tunable matching circuits. In particular, the DRx module A610 may include one or more tunable matching circuits located at one or more of the input and output of the DRx module A610.

It is unlikely for different frequency bands, all on the same diversity antenna 140 receive an ideal impedance match. To adapt each frequency band by means of a compact matching circuit, a tunable input matching circuit A616 may be implemented at the input of the DRx module A610 and controlled by the DRx controller A602 (eg, based on a band select signal from a communication controller). The DRx controller A602 may tune the tunable input matching circuit A616 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. The tunable input matching circuit A616 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable input matching circuit A616 may include one or more variable components such as resistors, inductors or capacitors. The variable components may be connected in parallel or in series and connected between the input of the DRx module A610 and the input of the first multiplexer A311 or between the input of the DRx module A610 and a ground potential.

Similarly, with only one transmission line 135 (or at least a few cables) that carry signals from many frequency bands, it is not expected that different frequency bands will all experience ideal impedance matching. To adapt each frequency band by means of a compact matching circuit, a tunable output matching circuit A617 may be implemented at the output of the DRx module A610 and controlled by the DRx controller A602 (eg, based on a band select signal from a communication controller). The DRx controller A602 may tune the tunable output matching circuit A617 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. The tunable output matching circuit A617 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable output matching circuit A617 may include one or more variable components such as resistors, inductors or capacitors. The variable components may be connected in parallel or in series and connected between the output of the DRx module A610 and the output of the second multiplexer A312 or between the output of the DRx module A610 and a ground potential.

9 FIG. 12 shows that in some embodiments, a diversity receiver configuration A700 may include multiple antennas. Although 9 an embodiment with two antennas A740a to A740b and a transmission line 135 1, embodiments described herein may be implemented in embodiments having more than antennas and / or two or more cables.

The configuration for a diversity receiver A700 includes a DRx module A710 coupled to a first antenna A740a and a second antenna A740b. In some implementations, the first antenna A740a is a high band antenna configured to receive signals transmitted at higher frequencies, and the second antenna A740b is a low band antenna configured to receive signals transmitted at lower frequencies.

The DRx module A710 includes a first tunable input matching circuit A716a at a first input of the DRx module A710 and a second tunable input matching circuit A716b at a second input of the DRx module A710. The DRx module A710 further includes a tunable output matching circuit A717 at the output of the DRx module A710. The DRx controller A702 may tune each of the tunable matching circuits A716a-A716b and A717 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. Each of the tunable matching circuits A716a-A716b and A717 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit.

The DRx module A710 includes a number of paths between the inputs (the first input coupled to the first antenna A740a and the second input coupled to the second antenna A740b) and the (to the transmission line 135 coupled) output of the DRx module A710. In some implementations, the DRx module A710 includes one or more bypass paths (not shown) between the inputs and the output that are activated by one or more bypass switches under the control of the DRx controller A702.

The DRx module A710 comprises a number of multiplexer paths, with either a first input multiplexer A711a or a second input multiplexer A711b and an output multiplexer A712. The multiplexer paths include a number of module-side paths (Figure 1) comprising one of the tunable input matching circuits A716a-A716b, one of the input multiplexers A711a-A711b, bandpass filters A713a-A713h, amplifiers A714a-A714h, output multiplexer A712, and output matching circuit A717. The multiplexer paths include one or more out-of-module paths (not shown) as described above. As also described above, amplifiers A714a-A714h may be variable gain amplifiers and / or variable current amplifiers.

The DRx controller A702 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller A702 may be configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller A702 (eg, from a communication controller). In some implementations, the DRx controller A702 may be configured to tune the tunable matching circuits A716a-A716b, A717 based on the band select signal. The DRx controller A702 may selectively activate the paths by, for example, enabling or disabling the amplifiers A714a-A714h, controlling the multiplexers A711a-A711b, A712, or by other methods described above.

10 shows an embodiment of a process flow diagram of a method for processing an RF signal. In some implementations (and as exemplified below), the method A800 is performed by a controller, such as the DRx controller 302 of the 3 or the communication control device 120 of the 3 , In some implementations, method A800 is performed by processing logic including hardware, software, firmware, or a combination thereof. In some implementations, method A800 is performed by a processor which executes process instructions stored on a non-transitory computer-readable medium (eg, a memory). Briefly, method A800 includes receiving a band select signal and passing a received RF signal along one or more gain controlled paths to process the received RF signal.

The method A800 begins at block A810 with the receipt of a band select signal by the controller. The controller may receive the band select signal from another controller or mobile base station or other external source. The band select signal may designate one or more frequency bands over which a wireless device is to transmit and receive RF signals. In some embodiments, the band selection signal identifies a set of frequency bands for carrier clustering communication.

In some implementations, the controller tunes one or more tunable matching circuits based on the received band select signal. For example, the controller may tune the tunable matching circuits based on a look-up table in which the respective frequency bands (or groups of frequency bands) designated by the band selection signal are associated with tuning parameters.

At block A820, the controller selectively activates one or more paths of a diversity receiver module (DRx module) based on the band select signal. As described above, a DRx module may include a number of paths between one or more inputs (coupled to one or more antennas) and one or more (coupled to one or more cables) outputs of the DRx module. The paths may include bypass paths and multiplexer paths. The multiplexer paths may include module-side and module-external paths (i.e., paths outside the module).

The controller may include one or more of the plurality of paths, for example, by opening or closing one or more bypass switches, activating or deactivating amplifiers along the paths by means of an amplifier control signal, controlling one or more multiplexers by means of a divider control signal and / or a combine control signal, or by others Activate the procedure selectively. For example, the controller may open or close switches disposed along the paths, or set the gain of the amplifiers along the paths to near zero.

At block A830, the controller sends an amplifier control signal to one or more amplifiers, each arranged along the one or more of the activated paths. The amplifier control signal controls the gain (or current draw) of the amplifier to which it is sent. In one embodiment, the amplifier comprises a constant gain amplifier and a bypass switch controllable by the amplifier control signal. Therefore, in one embodiment, the amplifier control signal indicates whether the bypass switch should be opened or closed.

In one embodiment, the amplifier comprises a step-variable gain amplifier configured to amplify the signal received at the amplifier with a gain corresponding to an amount of a plurality of predefined amounts predetermined by the amplifier control signal. Therefore, in one embodiment, the amplifier control signal identifies one of a plurality of predefined amounts.

In one embodiment, the amplifier comprises a continuously variable gain amplifier configured to amplify the signal received at the amplifier with a gain proportional to the amplifier control signal. Therefore, in one embodiment, the amplifier control signal designates a proportional gain amount.

In some implementations, the controller generates the amplifier control signal (s) based on a quality of service metric (QoS metric) of an input signal received at the input. In some implementations, the controller generates the amplifier control signal (s) based on a signal received from another controller, which in turn may be based on a QoS metric of the received signal. The QoS metric may be based, at least in part, on the diversity signal received at the diversity antenna (eg, an input signal received at the input). The QoS metric of the received signal may further be based on a signal received at the primary antenna. In some implementations, the controller generates the amplifier control signal (s) based on a QoS metric of the diversity signal without receiving a signal from another controller. For example, the QoS metric may be a signal strength include. According to other examples, the QoS metric may include a bit error rate (BER), data throughput, transmission delay, or any other QoS metric.

In some implementations, in block A830, the controller also transmits a control signal for a downstream amplifier based on the amplifier control signal to control the gain of one or more downstream amplifiers connected to the output with one or more cables.

Among others, the above-mentioned Example A with respect to variable gain amplifiers can be summarized as follows.

In accordance with some implementations, the present disclosure relates to a receiving system having a controller configured to selectively activate one or more of a plurality of paths between an input of a first multiplexer and an output of a second multiplexer. The receiving system further includes a plurality of bandpass filters. Each of the plurality of bandpass filters is arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter in a respective band. The receiving system further includes a plurality of variable gain amplifiers (VGAs). Each of the plurality of VGAs is arranged along an associated one of the plurality of paths and configured to amplify a signal received at the VGA with a gain controlled by an amplifier control signal received from the controller.

In some embodiments, the controller may be configured to selectively activate one or more of the plurality of paths based on a band select signal received from the controller. In some embodiments, the controller may be configured to selectively enable one or more of the plurality of paths by transmitting a divider control signal to the first multiplexer and a combiner control signal to the second multiplexer. In some embodiments, the controller may be configured to selectively activate one or more of the plurality of paths by transmitting an amplifier enable signal to one or more of the plurality of VGAs, each disposed along an associated one of the plurality of paths.

In some embodiments, at least one of the VGAs may include a constant gain amplifier and a bypass switch controllable by the amplifier control signal. In some embodiments, at least one of the VGAs may include a step-wise voltage controlled amplifier configured to amplify the signal received at the VGA having a magnitude equal to a magnitude of a plurality of predetermined magnitudes indicated by the amplifier control signal, or a continuously voltage controlled one Amplifier adapted to amplify the signal received at the VGA with a gain which is proportional to the amplifier control signal. In some embodiments, at least one of the VGAs may include a variable current amplifier configured to amplify the signal received at the amplifier by receiving a current controlled by the amplifier control signal.

In some embodiments, the amplifier control signal may be based on a quality of service metric of an input signal received at the input of the first multiplexer.

In some embodiments, at least one of the VGAs may include a low noise amplifier.

In some embodiments, the receiving system may further include one or more tunable matching circuits disposed on one or more of the inputs and outputs of the first multiplexer and the second multiplexer.

In some embodiments, the receiving system may further comprise a transmission line coupled to the output of the second multiplexer and to a downstream module, which also includes one or more downstream amplifiers. In some embodiments, the controller may be further configured to generate a control signal for a downstream amplifier based on the amplifier control signal to control the gain of one or more downstream amplifiers. In some embodiments, at least one of the downstream amplifiers may be coupled to the transmission line without passing through a downstream bandpass filter. In In some embodiments, a number of the one or more of the downstream amplifiers may be less than the number of VGAs.

In some embodiments, the present disclosure relates to a radio frequency (RF) module having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system comprises a control device which is designed to selectively activate one or more of a multiplicity of paths between an input of a first multiplexer and an output of a second multiplexer (eg an input of the RF module and an output of the HF module). module). The receiving system further includes a plurality of bandpass filters. Each of the plurality of bandpass filters is arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter in a respective band. The receiving system further includes a plurality of variable gain amplifiers (VGAs). Each of the plurality of VGAs is arranged along an associated one of the plurality of paths and configured to amplify a signal received at the VGA with a gain controlled by an amplifier control signal received from the controller.

In some embodiments, the RF module may be a diversity receiver front-end module (FEM).

In some embodiments, the plurality of paths may include an off-module path. The out-of-module path may include an off-module bandpass filter and one of the plurality of VGAs.

In accordance with some teachings, the present disclosure relates to a wireless device having a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front-end module (FEM) in communication with the first antenna. The first FEM includes a housing substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system comprises a control device which is designed to selectively activate one or more of a multiplicity of paths between an input of a first multiplexer and an output of a second multiplexer (eg an input of the RF module and an output of the HF module). module). The receiving system further includes a plurality of bandpass filters. Each of the plurality of bandpass filters is arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter in a respective band. The receiving system further includes a plurality of variable gain amplifiers (VGAs). Each of the plurality of VGAs is arranged along an associated one of the plurality of paths and configured to amplify a signal received at the VGA with a gain controlled by an amplifier control signal received from the controller. The wireless device further includes a communication module configured to receive a processed version of the first RF signal via a cable from the output and to generate data bits based on the processed version of the first RF signal.

In some embodiments, the wireless device further comprises a second antenna configured to receive a second radio frequency (RF) signal and a second FEM in communication with the second antenna. The communication module may be configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

In some embodiments, the wireless device includes a communication controller configured to control the first FEM and a gain of one or more downstream amplifiers of the communication module.

Example B: Phase Shift Components

11 shows that, in some embodiments, a diversity receiver B600 configuration may include a DRx module B610 having one or more phase matching components B624a-B624b. The DRx module B610 includes two paths from one to an antenna 140 coupled input of DRx module B610 and one with a transmission line 135 coupled output of the DRx module B610.

In DRx module B610 the 11 For example, the signal splitter and bandpass filters are implemented as diplexer B611. The B611 diplexer includes one with the antenna 140 coupled input, a first with a first amplifier 314a coupled output and a second with a second amplifier 314b coupled output. At the first output, the diplexer B611 enters at the input (eg from the antenna 140 ) received signal, which is filtered to a first frequency band. At the second output, the diplexer B611 outputs a signal received at the input, which is filtered to a second frequency band. In some embodiments, the diplexer B611 may be replaced by a triplexer, quadplexer, or any other multiplexer configured to split a signal received at the input of the DRx module B610 into a plurality of signals at a corresponding plurality of frequency bands passing along propagate a multitude of paths.

As described above, each is the amplifier 314a to 314b arranged along a corresponding one of the paths and configured to amplify a signal received at the amplifier. The outputs of the amplifiers 314a to 314b are passed through a respective phase shift component B624a to B624b before being combined by a signal combiner B612.

The signal combiner B612 includes a first input coupled to the first phase shift component B624a, a second input coupled to the second phase shift component B624b, and an output coupled to the output of the DRx module B610. The signal at the output of the signal combiner is the sum of the signals at the first and second inputs. Therefore, the signal combiner is designed to combine signals propagating along the plurality of paths.

When a signal from the antenna 140 is received, it is filtered by the diplexer B611 to a first frequency band and along the first path through the first amplifier 314a propagated. The filtered and amplified signal is phase shifted by the first phase shift component B624a and fed to the first input of the signal combiner B612. In some embodiments, signal combiner B612 or the second amplifier prevent it 314b not that the signal passes through signal combiner B612 along the second path in the reverse direction. Therefore, the signal propagates through the second phase shift component 624b and through the second amplifier 314b where it is reflected at the diplexer B611. The reflected signal propagates through the second amplifier 314b and the second phase shift component B624b until it reaches the second input of the signal combiner B612.

If the initial signal (at the first input of the signal combiner B612) and the reflected signal (at the second input of the signal combiner B612) are not in phase, the summation of the signal combiner B612 results in an attenuated signal at the output of the signal combiner B612. Similarly, the summation of the signal combiner B612 results in an amplified signal at the output of the signal combiner B612 when the initial signal and the reflected signal are in phase. Therefore, in some embodiments, the second phase shift component B624b is configured to phase-shift the signal (at least in the first frequency band) so that the initial signal and the reflected signal are at least partially in phase. In particular, the second phase shift component B624b for phase shifting the signal (at least in the first frequency band) is arranged such that the amplitude of the sum of the initial signal and the reflected signal is greater than the amplitude of the initial signal.

For example, the second phase shift component B624b may be configured to pass a signal passing the second phase shift component B624b by -0.5 times that phase shift caused by the propagation through the second amplifier 314b in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the second amplifier 314b caused to move in phase. In another example, the second phase shift component B624b may be configured to pass a signal passing the second phase shift component B624b by half the difference between 360 ° and the phase shift caused by the propagation through the second amplifier 314b in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the second amplifier 314b caused to move in phase. Generally speaking, the second phase shift component B624b may be configured to phase shift a signal passing the second phase shift component B624b such that the initial signal and the reflected signal have a phase difference corresponding to an integer multiple (including zero) of 360 degrees.

For example, the initial signal may be at 0 ° (or any other reference phase) and propagation through the second amplifier 314b in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the second amplifier 314b can cause a phase shift of 140 °. Therefore, in some embodiments, the second phase shift component B624b may be configured to phase shift a signal passing the second phase shift component B624b by -70 °. Thus, the initial signal is phase shifted by -70 ° by the second phase shift component B624b, by 140 ° to 70 ° by the propagation through the second amplifier 314b in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the second amplifier 314b and back to 0 ° through the second phase shift component B624b.

In some implementations, the second phase shift component B624b may be configured to phase shift a signal passing the second phase shift component B624b by 110 °. Thus, the initial signal is phase shifted by 110 ° by the second phase shift component B624b, to 250 ° by the propagation through the second amplifier 314b in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the second amplifier 314b and further to 360 ° through the second phase shift component B624b.

At the same time that is from the antenna 140 received signal filtered by the diplexer B611 to a second frequency band and propagated along the second path through the second amplifier 314b , The filtered and amplified signal is phase shifted by the second phase shift component B624b and fed to the second input of the signal combiner B612. In some embodiments, signal combiner B612 or the first amplifier prevent it 314a not that the signal passes through the signal combiner B612 along the first path in the reverse direction. Therefore, the signal propagates through the first phase shift component B624a and through the first amplifier 314a where it is reflected at the diplexer B611. The reflected signal propagates through the first amplifier 314a and the first phase shift component B624a until it reaches the first input of the signal combiner B612.

If the initial signal (at the second input of the signal combiner B612) and the reflected signal (at the first input of the signal combiner B612) are not in phase, the summation of the signal combiner B612 results in an attenuated signal at the output of the signal combiner B612, and if the initial signal and If the reflected signal is in phase, the summation of the signal combiner B612 will produce an amplified signal at the output of the signal combiner B612. Therefore, in some embodiments, the first phase shift component B624a is configured to phase-shift the signal (at least in the second frequency band) so that the initial signal and the reflected signal are at least partially in phase.

For example, the first phase shift component B624a may be configured to pass a signal passing the first phase shift component B624a by -0.5 times that phase shift caused by the propagation through the first amplifier 314a in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the first amplifier 314a caused to move in phase. In another example, the first phase shift component B624a may be configured to pass a signal passing the first phase shift component B624a by half the difference between 360 ° and the phase shift caused by the propagation through the first amplifier 314a in the reverse direction, the reflection at the diplexer B611 and the forward propagation through the first amplifier 314a caused to move in phase. Generally speaking, the first phase shift component B624a may be configured to phase shift a signal passing the first phase shift component B624a such that the initial signal and the reflected signal have a phase difference corresponding to an integer multiple (including zero) of 360 °.

The phase shift components B624a to B624b may be implemented as a passive circuit. In particular, the phase shift components B624a through B624b may be implemented as LC circuits and may include one or more passive components, such as inductors and / or capacitors. The passive components may be implemented in parallel and / or in series and may be connected between the outputs of the amplifiers 314a to 314b and the inputs of the B612 signal combiner or between the outputs of the amplifiers 314a to 314b and a ground potential are switched. In some implementations, the phase shift components B624a to B624b are in the same chip or housing as the amplifiers 314a to 314b integrated.

In some embodiments (such as in 11 shown) are the phase shift components B624a to B624b along the paths to the amplifiers 314a to 314b arranged. Therefore, any signal attenuation caused by the phase shift components B624a through B624b does not affect the performance of the B610 module, e.g. B. the signal-to-noise ratio of the output signal. However, in some implementations, the phase shift components B624a through B624b are along the paths before the amplifiers 314a to 314b arranged. For example, the phase shift components B624a through B624b may be integrated into an impedance matching component that exists between the diplexer B611 and the amplifiers 314a to 314b is arranged.

12 FIG. 12 shows that in some embodiments, a configuration of a diversity receiver B640 may include a DRx module B641 having one or more phase-adjustment components B624a-B624b and two-stage amplifiers B614a-B614b. The DRx module B641 of the 12 is fundamentally the same as the DRx module B610 of the 11 just that the amplifier 314a to 314b of the DRx module B610 the 11 through the two-stage amplifiers B614a to B614b in the DRx module B641 of 12 have been replaced.

13 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver B680 may include a DRx module B681 having one or more phase-adjustment components B624a-B624b and an amplifier B615 arranged after the signal combiner. The DRx module B681 the 13 is fundamentally the same as the DRx module B610 of the 11 , except that the DRx module B681 the 13 an amplifier B615 arranged after the signal combiner between the output of the signal combiner B612 and the output of the DRx module B681. Like the amplifiers 314a to 314b For example, the amplifier B615 arranged after the signal combiner may be a variable gain amplifier and / or variable current amplifier controlled by a DRx controller (not shown).

14 FIG. 12 shows that in some embodiments, a diversity receiver B700 configuration may include a DRx module B710 having one or more tunable phase shift components B724a-B724d. Each of the tunable phase shift components B724a through B724d may be configured to phase shift a signal passing through the tunable phase shift component by an amount set by a phase shift tuning signal received from a DRx controller B702.

The configuration of a diversity receiver B700 includes a DRx module B710 with one with an antenna 140 coupled input and one with a transmission line 135 coupled output. The DRx module B710 includes a number of paths between the input and the output of the DRx module B710. In some implementations, the DRx module B710 includes one or more bypass paths (not shown) between the input and the output, which are activated by one or more bypass switches controlled by the DRx controller B702.

The DRx module B710 includes a number of multiplexer paths that include an input multiplexer B311 and an output multiplexer B312. The multiplexer paths include a number of module-side paths, including the input multiplexer B311, a bandpass filter B313a-B313d, an amplifier B314a-B314d, a tunable phase-shifting component B724a-B724d, the output multiplexer B312, and an amplifier B615 arranged after the signal combiner. The multiplexer paths may include a number of module-external paths (not shown) as described above. As also described above, amplifiers B314a-B314d (including amplifier B615 arranged after signal combiner) may be variable gain amplifiers and / or variable current amplifiers.

The tunable phase shift components B724a through B724d may include one or more variable components, such as inductors and / or capacitors. The variable components may be implemented in parallel and / or in series, and may be connected between the outputs of amplifiers B314a-B314d and the inputs of output multiplexer B312 or between the outputs of amplifiers B314a-B314d and a ground potential.

The DRx controller B702 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller B702 is configured to receive one or more of the plurality of paths based on a signal received by the DRx controller B702 (eg, from a communication controller) To selectively activate band selection signal. The DRx controller B702 may selectively enable the paths by, for example, enabling or disabling the amplifiers B314a-B314d, by controlling the multiplexers B311, B312, or using other approaches as described above.

In some implementations, the DRx controller B702 is configured to tune the tunable phase shift components B724a to B724d. In some implementations, the DRx controller B702 tunes the tunable phase shift components B724a to B724d based on the band select signal. For example, the DRx controller B702 may tune the tunable phase shift components B724a-B724d based on a lookup table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receiving a band select signal, the DRx controller B702 may send a phase shift tuning signal to the tunable phase shift component B724a through B724d of each active path to tune the tunable phase shift component (or its variable components) according to the tuning parameters.

The DRx controller B702 may be configured to tune tunable phase shift components B724a-B724d such that the out-of-band reflected signals are in phase with the output multiplexer B312 with the out-of-band initial signals. For example, if the band select signal indicates that the first path (leading through the first amplifier B314a) is associated with a first frequency band, the second path (passing through the second amplifier B314b) is associated with a second frequency band band, and the third (through the third amplifier B314c). Path to be activated, the DRx controller B702 can tune the first tunable phase shift component B724a such that (1) for a signal propagating along the second path (in the second frequency band) the initial signal with a reflected signal reversed along the first And (2) for a signal propagating along the third path (in the third frequency band), the initial signal is propagated with a reflected signal, which is reversed along the first path propagated, is reflected on the bandpass filter B313a and passes in the forward direction through the first path, is in phase.

The DRx controller B702 may tune the first tunable phase shift component B724a so that the second frequency band is shifted in phase by an amount different from the amount for the third frequency band. For example, if the signal in the second frequency band is shifted in phase by 140 °, and the third frequency band can be rotated 130 ° by the reverse propagation through the first amplifier B314a, the reflection at the bandpass filter 313a, and the forward propagation through the first amplifier B314a the DRx controller B702 tunes the first tunable phase shift component B724a to phase-shift the second frequency band by -70 ° (or 110 °) and the third frequency band by -65 ° (or 115 °).

The DRx controller B702 may tune the second tunable phase shift component B724b and the third tunable phase shift component B724c in an analogous manner.

In another example, if the band select signal indicates that the first path, the second path, and the fourth path (passing through the fourth amplifier B314d) should be activated, the DRx controller B702 may tune the first tunable phase shift component B724a such that (1 ) for a signal propagating along the second path (in the second frequency band), the initial signal having a reflected signal which propagates inversely along the first path, is reflected at the band pass filter B313a and passes through the first path in the forward direction, is in phase, and ( 2) for a signal propagating along the fourth path (in the fourth frequency band) the in-phase signal is in phase with a reflected signal propagated inversely along the first path, reflected at the bandpass filter B313a and traveling in the forward direction through the first path.

The DRx controller B702 may tune the variable components of the tunable phase-shift components B724a-B724d to assume different values for different groups of frequency bands.

In some implementations, the tunable phase shift components B724a through B724d are replaced by constant phase shift components that are neither tunable nor controllable by the DRx controller B702. Each one along a corresponding one Phase shift components arranged at frequency band associated path may be configured to phase shift each of the other frequency bands such that an initial signal along a corresponding other path having a reflected signal propagating in the reverse direction along the path is reflected by the corresponding band pass filter and in the forward direction propagated through the one of the paths is in phase.

For example, the third phase shift component B724c may be constant and configured to (1) phase shift the first frequency band such that the initial signal propagates at the first frequency band (which propagates along the first path) with a reflected signal, and vice versa propagated along the third path, reflected at the third bandpass filter B313c and running in the forward direction through the third path, is in phase; (2) the second frequency band is shifted in phase so that the initial signal at the second frequency band (which is along the propagated second path) with a reflected signal which in turn propagates along the third path, is reflected at the third band pass filter B313c and passes in the forward direction through the third path, is in phase, and (3) the fourth frequency band is thus shifted in phase, that the initial signal at the fourth frequency band (which propagates along the fourth path) with a reflected signal, which in turn propagates along the third path, is reflected at the third band pass filter B313c and runs in the forward direction through the third path, is in phase. The other phase shift components may be similarly constant and configured.

Therefore, the DRx module B710 may include a DRx controller B702 configured to selectively enable one or more of a plurality of paths between an input of the DRx module B710 and an output of the DRx module B710. The DRx module B710 further includes a plurality of amplifiers B314a-B314d, each of the plurality of amplifiers B314a-B314d being arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The DRx module B710 further includes a plurality of phase shift components B724c to B724d arranged along a corresponding one of the plurality of paths and configured to phase shift a signal passing through the phase shift component.

In some embodiments, the first phase shift component B724c is arranged along a first path of a plurality of paths associated with a first frequency band (eg, the frequency band of the first bandpass filter B313a) and configured to have a second frequency band (eg, the frequency band of the second bandpass filter B313b) of a signal passing the first phase shift component B724a in phase such that an initial signal propagating along a second path associated with the second frequency band and a reflected signal propagating along the first path are at least partially in phase.

In some implementations, the first phase shift component B724a is further configured to phase shift a third frequency band (eg, the frequency band of the third bandpass filter B313c) of a signal passing the first phase shift component B724a, such that an initial signal passing along a third propagated to the third frequency band associated path, and a reflected signal which propagates along the first path, at least partially in phase.

Similarly, in some embodiments, the second phase shift component B724b disposed along the second path may be configured to phase shift the first frequency band of a signal passing the second phase shift component B724b such that an initial signal traveling along the first path propagates, and a reflected signal, which propagates along the second path, are at least partially in phase.

17 FIG. 12 shows that, in some embodiments, a diversity receiver BC1000 configuration may include a DRx module BC1010 having tunable impedance matching components disposed at the input and output. The DRx module BC1010 may include one or more tunable impedance matching components disposed on one or more of the input and output of the DRx module BC1010. In particular, the DRx module BC1010 may include a tunable input impedance matching component BC1016 disposed at an input of the DRx module BC1010 and / or a tunable output impedance matching component BC1017 located at an output of the DRx module BC1010.

It is unlikely for different frequency bands, all on the same diversity antenna 140 receive an ideal impedance match. To adapt each frequency band by means of a compact matching circuit, a tunable input impedance matching component BC1016 may be implemented at the input of the DRx module BC1010 and controlled by the DRx controller BC1002 (eg, based on a band select signal from a communication controller). The DRx controller BC1002 may tune the tunable input impedance matching component BC1016 based on a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller BC1002 may send an input impedance tuning signal to the tunable input impedance matching component BC1016 to tune the tunable input impedance matching component (or its variable components) in accordance with the tuning parameters.

The tunable input impedance matching component BC1016 may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable input impedance matching component BC1016 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the input of the DRx module BC1010 and the input of the first multiplexer BC311 or between the input of the DRx module BC1010 and a ground potential.

Similarly, it is with only one transmission line 135 (or at least a few transmission lines) transmitting signals on different frequency bands are unlikely to experience ideal impedance matching for different frequency bands. To adapt each frequency band by means of a compact matching circuit, a tunable output impedance matching component BC1017 may be implemented at the output of the DRx module BC1010 and controlled by the DRx controller BC1002 (eg, based on a band select signal from a communication controller). The DRx controller BC1002 may tune the tunable output impedance matching component BC1017 based on, for example, a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receiving a band select signal, the DRx controller BC1002 may send an output impedance tuning signal to the tunable output impedance matching component BC1017 to tune the tunable output impedance matching component (or its variable components) in accordance with the tuning parameters.

The tunable output impedance matching component BC1017 may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable output impedance matching component BC1017 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the output of the second multiplexer BC312 and the output of the DRx module BC1010 or between the output of the second multiplexer BC312 and a ground potential.

18 FIG. 12 shows that in some embodiments, a diversity receiver configuration BC1100 may include a DRx module BC1110 having multiple tunable components. The configuration BC1100 of a diversity receiver comprises a DRx module BC1110, which has one with an antenna 140 coupled input and one with a transmission line 135 having coupled output. The DRx module BC1110 includes a number of paths between the input and the output of the DRx module BC1110. In some implementations, the DRx module BC1110 includes one or more bypass paths (not shown) between the input and the output, which are controlled via one or more bypass switches by the DRx controller BC1102.

The DRx module BC1110 comprises a number of multiplexer paths which comprise an input multiplexer BC311 and an output multiplexer BC312. The multiplexer paths include a number of module-side paths (shown) BC1016, input multiplexer BC311, bandpass filter BC313a-BC313d, tunable impedance matching component BC934a-BC934d, amplifier BC314a-BC314d, tunable phase-shift adjustment component BC724a-BC724d, the output multiplexer BC312 and a tunable output impedance matching component BC1017. The multiplexer paths include a number of module-external paths (not shown) as described above. Like also above As described, the BC314a through BC314d amplifiers may be variable gain amplifiers and / or variable current amplifiers.

The DRx controller BC1102 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller BC1102 is configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller BC1102 (eg, from a communication controller). The DRx controller BC1102 may selectively enable the paths by, for example, enabling or disabling the amplifiers BC314a to BC314d, controlling the multiplexers BC311, BC312, or other mechanisms as described above. In some implementations, the DRx controller BC1102 is configured to send an amplifier control signal to one or more of the amplifiers BC314a to BC314d disposed along the one or more of the enabled paths. The amplifier control signal controls the gain (or current draw) of the amplifier to which it is sent.

The DRx controller BC1102 is configured to tune the tunable input impedance matching component BC1016, the tunable impedance matching components BC934a to BC934d, the tunable phase shift adjustment components BC724a to BC724d, and / or the tunable output impedance matching component BC1017. For example, the DRx controller BC1102 may tune the tunable components based on a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller BC1102 may send a tuning signal to the tunable component (s) to tune the tunable component (or its variable components) in accordance with the tuning parameters. In some implementations, the DRx controller BC1102 tunes the tunable components based at least in part on amplifier control signals transmitted to control the gain and / or current consumption of the amplifiers BC314 to BC314d. In various embodiments, one or more of the tunable components may be replaced by constant components that are not controlled by the DRx controller BC1102.

It should be noted that tuning one of the tunable components may affect the tuning of another of the tunable components. Therefore, the tunable parameters stored in a look-up table for a first tunable component may be based on the tuning parameters for a second tunable component. For example, the tuning parameters for the tunable phase shift adjustment components BC724a to BC724d may be based on tuning parameters for the tunable impedance matching components BC934a to BC934d. In another example, the tuning parameters for the tunable impedance matching components BC934a through BC934d may be based on the tuning parameters for the tunable input impedance matching component BC1016.

19 shows an embodiment of a process flow diagram of a method for processing an RF signal. In some implementations (and as exemplified below), the method BC1200 is performed by a controller, such as the DRx controller BC1102 of FIG 18 , In some implementations, method BC1200 is performed by processing logic including hardware, software, firmware, or a combination thereof. In some implementations, method BC1200 is performed by a processor executing process instructions stored on a non-transitory computer-readable medium (eg, a memory). Briefly, method BC1200 includes receiving a band select signal and passing a received RF signal along one or more gain controlled paths to process the received RF signal.

The BC1200 begins at block BC1210 with the receipt of a band select signal by the controller. The controller may receive the band select signal from another controller or mobile base station or other external source. The band select signal may designate one or more frequency bands over which a wireless device is to transmit and receive RF signals. In some embodiments, the band selection signal identifies a set of frequency bands for carrier clustering communication.

At block BC1220, the controller selectively activates one or more paths of a diversity receiver module (DRx module) based on the band select signal. As described above, that can DRx module have a number of paths between one or more (coupled to one or more antennas) inputs and one or more (coupled to one or more transmission lines) outputs of the DRx module. The paths may include bypass paths and multiplexer paths. The multiplexer paths may have module-side and module-external paths.

The controller may control the one or more paths by, for example, opening or closing one or more bypass switches, activating or deactivating one or more repeaters disposed along the paths via an amplifier enable signal, driving one or more multiplexers via a divider control signal and / or a combiner control signal by other approaches. For example, the controller may open or close switches located along the paths, or set the gain of the amplifiers along the paths to near zero.

At block BC1230, the controller sends a tuning signal to one or more tunable components disposed along the one or more enabled paths. The tunable components may include a tunable input impedance matching component disposed at an input of the DRx module, a plurality of tunable impedance matching components disposed along the plurality of paths, a plurality of tunable phase shift components disposed along the plurality of paths, and or a tunable output impedance matching component located at an output of the DRx module.

The controller may tune the tunable components based on a lookup table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller may send a tuning signal to the tunable components (the active paths) to tune the tunable components in accordance with the tuning parameters. In some embodiments, the controller tunes the tunable components at least in part based on amplifier control signals that are transmitted to adjust the gain and / or current draw of one or more along respective ones of the one or more enabled paths.

Among other things, Example B discussed above with respect to phase shift components may be summarized as follows.

In accordance with some embodiments, the present disclosure relates to a receiving system having a controller configured to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of phase shift components. Each phase shift component of the plurality of phase shift components is arranged along a corresponding one of the plurality of paths and configured to phase shift a signal passing through the phase shift component.

In some embodiments, a first phase shift component of the plurality of phase shift components disposed along a first frequency band associated path of the plurality of paths may be further configured to phase shift a second frequency band of a signal passing the first phase shift component such that a second initial signal propagating along a second path associated with the second frequency band of the plurality of paths, and a second reflected signal propagating along the first path at least partially in phase.

In some embodiments, a second phase shift component of the plurality of phase shift components disposed along the second path may be configured to phase shift the first frequency band of a signal passing the second phase shift component such that a first initial signal traveling along the first one Path propagates, and a first reflected signal, which propagates along the second path, at least partially in phase.

In some embodiments, the first phase shift component may be further configured to phase shift a third frequency band of a signal passing the first phase shift component such that a third initial signal propagating along a third third frequency band associated path of the plurality of paths and a third reflected signal propagating along the first path is at least partially in phase.

In some embodiments, the first phase shift component may be configured to phase shift the second frequency band of a signal passing the first phase shift component such that the second initial signal and the second reflected signal have a phase difference equal to a multiple of 360 degrees.

In some embodiments, the receiving system may further include a multiplexer configured to split an input signal received at the input into a plurality of signals onto a corresponding plurality of frequency bands propagated along the plurality of paths. In some embodiments, the receiving system may further include a signal combiner configured to combine signals propagating along the plurality of paths. In some embodiments, the receiving system may further comprise an amplifier downstream of the signal combiner arranged between the signal combiner and the output and configured to amplify a signal received at the amplifier downstream of the signal combiner. In some embodiments, each of the plurality of phase shift components may be disposed between the signal combiner and a corresponding one of the plurality of amplifiers. In some embodiments, at least one of the amplifiers may comprise a two-stage amplifier.

In some embodiments, at least one of the plurality of phase shift components may be a passive circuit. In some embodiments, at least one of the plurality of phase shift components may be an LC circuit.

In some embodiments, at least one of the plurality of phase shift components may include a tunable phase shift component configured to phase shift a signal passing the tunable phase shift component to phase an amount controlled by a phase shift tuning signal received from the controller.

In some embodiments, the receiving system may further include a plurality of impedance matching components, each impedance matching component of the plurality of impedance matching components arranged along a corresponding one of the plurality of paths and configured to have one or both of an out-of-band noise figure and out-of-band amplification of the corresponding one of the plurality of paths of paths decrease.

In some embodiments, the present disclosure relates to a radio frequency module, RF module, having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system includes a controller adapted to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of phase shift components. Each phase shift component of the plurality of phase shift components is arranged along a corresponding one of the plurality of paths and configured to phase shift a signal passing through the phase shift component.

In some embodiments, the RF module may be a diversity receiver front end module, FEM.

In some embodiments, a first phase shift component of the plurality of phase shift components along a first frequency band associated with the plurality of paths, further configured to phase shift a second frequency band of a signal passing the first phase shift component such that a second initial signal propagating along a second path associated with the second frequency band propagates the plurality of paths , and a second reflected signal which propagates along the first path are at least partially in phase.

In accordance with some teachings, the present disclosure relates to a wireless device that includes a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front end module, FEM, in communication with the first antenna. The first FEM includes a package substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system comprises a controller adapted to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of phase shift components. Each phase shift component of the plurality of phase shift components is arranged along a corresponding one of the plurality of paths and configured to phase shift a signal passing through the phase shift component. The wireless device further includes a transceiver configured to receive a processed version of the first RF signal over a transmission line from the output and to generate data bits based on the processed version of the first RF signal.

In some embodiments, the wireless device further includes a second antenna configured to receive a second RF signal and a second FEM in communication with the second antenna. The transceiver is configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

In some embodiments, a first phase shift component of the plurality of phase shift components disposed along a first frequency band associated path of the plurality of paths may be further configured to phase shift a second frequency band of a signal passing the first phase shift component such that a second initial signal propagating along a second path associated with the second frequency band of the plurality of paths, and a second reflected signal propagating along the first path at least partially in phase.

Example C: Impedance matching components

15 FIG. 12 shows that in some embodiments, a configuration of a diversity receiver C800 may include a DRx module C810 having one or more impedance matching components C834a-C834b. The DRx module C810 includes two paths from one to an antenna 140 coupled input of DRx module C810 and one with a transmission line 135 coupled output of DRx module C810.

In DRx module C810 the 15 (just as in the DRx module BC610 the 11 ), the signal divider and the bandpass filters are implemented as diplexer C611. The diplexer C611 includes an input coupled to the antenna, a first output coupled to a first impedance matching component C834a, and a second output coupled to a second impedance matching component C834b. At the first output, the diplexer C611 enters at the input (eg from the antenna 140 ) received signal, which is filtered to a first frequency band. At the second output, the diplexer C611 outputs a signal received at the input, which is filtered to a second frequency band.

Each of the impedance matching components C834a to C834b is disposed between the diplexer C611 and an amplifier C314a to C314b. As described above, each of the amplifiers C314a to C314b is arranged along a corresponding one of the paths and configured to amplify a signal received at the amplifier. The outputs of the amplifiers C314a to C314b are fed to a signal combiner C612.

The signal combiner C612 includes a first input coupled to the first amplifier C314a, a second input coupled to the second amplifier C314b, and an output coupled to the output of the DRx module C810. The signal at the output of the signal combiner is the sum of the signals at the first and second inputs.

When a signal from the antenna 140 is received, it is filtered by the diplexer C611 to a first frequency band and propagated along the first path through the first amplifier C314a. Similarly, the signal is filtered by the diplexer C611 to a second frequency band and propagated along a second path through the second amplifier C314b.

Each of the paths may be characterized by a noise figure and a gain. The noise figure of each path reflects the degree of signal-to-noise ratio (SNR) degradation caused by the amplifier along the path and the impedance matching component located along the path. In particular, the noise figure for each path may be expressed as the difference in decibels (dB) between the SNR at the input of the impedance matching components C834a to C834b and the SNR at the output of the amplifiers C314a to C314b. Therefore, the noise figure is a measure of the difference between the noise input of the amplifier and the noise input of an "ideal" amplifier (which does not generate noise) with the same gain. Similarly, the gain for each path is a measure of the gain produced by the amplifier and the impedance matching component located along the path.

The noise figure and gain of each path may be different for different frequency bands. For example, the first path may have a band-related noise figure and gain for the first frequency band and an out-of-band noise figure and gain for the second frequency band. Similarly, the second path may have a band-related noise figure and gain for the second frequency band and an out-of-band noise figure and gain for the first frequency band.

Thus, the DRx module C810 may be characterized by a noise figure and gain that are different for different frequency bands. In particular, the noise figure for the DRx module C810 may be the difference in dB between the SNR at the input of the DRx module C810 and the SNR at the output of the DRx module C810.

The noise figure and gain (at each frequency band) may depend, at least in part, on the impedance (at each frequency band) of the impedance matching components C834a through C834b. It may accordingly be advantageous if the impedance of the impedance matching components C834a to C834b is chosen to minimize the band associated noise figure of each path and / or to maximize the band associated gain of each path. Thus, in some embodiments, each of the impedance matching components C834a-C834b may be configured to reduce the band associated noise figure of its associated path and / or increase the band associated gain of its associated path (as opposed to a DRx module that does not have such impedance matching components C834a-C834b) having).

Since the signal propagating along the two paths is combined by the signal combiner C612, out-of-band noise generated or amplified by an amplifier may adversely affect the combined signal. For example, out-of-band noise generated or amplified by the first amplifier C314a may increase the noise figure of the DRx module C810 in the second frequency band. It may accordingly be advantageous if the impedance of the impedance matching component C834a to C834b is chosen so as to minimize the out-of-band noise figure of each path and / or to minimize the out-of-band gain of each path. Therefore, in some implementations, each of the impedance matching components C834a-C834b may be configured to reduce the out-of-band noise figure of its associated path and / or to reduce the out-of-band gain of its associated path (as opposed to a DRx module that does not have such impedance matching components C834a-C834b) having).

The impedance matching components C834a to C834b may be implemented as a passive circuit. In particular, the impedance matching components C834a through C834b may be implemented as RLC circuits and include one or more passive components, such as resistors, inductors, and / or capacitors. The passive components may be implemented in parallel and / or in series and may be coupled between the outputs of the diplexer C611 and the inputs of the amplifiers C314a to C314b or between the outputs of the diplexer C611 and a ground potential. In some embodiments, the impedance matching components C834a to C834b are integrated in the same chip or in the same package as the amplifiers C314a to C314b.

As noted above, for a particular path, it may be advantageous if the impedance of the impedance matching components C834a through C834b is chosen to be the band associated noise figure minimizes, maximizes band-associated gain, minimizes out-of-band noise figure, and minimizes out-of-band gain. The design of an impedance matching component C834a to C834b that achieves all of these four targets with only two degrees of freedom (eg, the impedance at the first frequency band and the impedance at the second frequency band) or under different boundary conditions (eg, component count, cost, chip area) , can be a challenge. Accordingly, in some embodiments, a band-related metric of the band-associated noise figure minus the band-associated gain is minimized and an out-of-band metric of the band-external noise figure plus the band-external gain is minimized. The design of an impedance matching component C834a through C834b, which achieves both of these goals under different constraints, can still pose a challenge. Therefore, in some embodiments, the band-related metric is minimized, taking into account a set of constraints, and the out-of-band metric is minimized taking into account that set of constraints, where further constraints require the band-related metric to be increased by no more than a threshold amount (e.g. 0.1 dB, 0.2 dB, 0.5 dB or any other value). Accordingly, the impedance matching component is configured to limit a band-related metric of the band-associated noise figure minus the band-associated gain to a band-associated threshold value of a band-associated minimum, e.g. B. a minimum achievable taking into account any boundary conditions. The impedance matching component is further configured to reduce an out-of-band noise extra-band plus out-of-band gain metric to an out-of-band minimum band associated with the band membership, e.g. For example, taking into account the additional constraint that the band associated metric is incremented by no more than a threshold amount, an attainable minimum for the out of band metric. In some implementations, a band-metric mixed (band-membership-factor-weighted) metric plus the out-of-band-factor-weighted out-of-band metric may be minimized under any constraints.

Thus, in some implementations, each of the impedance matching components C834a through C834b may be configured to reduce the band associated metric (the band associated noise figure minus the band associated gain) of its associated path (eg, by reducing the band associated noise figure, increasing the band associated gain, or both). , In some implementations, each of the impedance matching components C834a-C834b may be further configured to reduce the out-of-band metric (the out-of-band noise plus the out-of-band gain) of its associated path (eg, by reducing the out-of-band noise figure, reducing the out-of-band gain, or both). ,

In some implementations, by reducing the out-of-band metrics, the impedance matching components C834a-C834b may reduce the noise figure of the DRx module C810 at one or more of the frequency bands without substantially increasing the noise figures at other frequency bands.

16 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver C900 may include a DRx module C910 having one or more tunable impedance matching components C934a-C934d. Each of the tunable impedance matching components C934a to C934d may be configured to represent an impedance set by an impedance tuning signal received from a DRx controller C902.

The configuration of a diversity receiver C900 includes a DRx module C910 with one with an antenna 140 coupled input and one with a transmission line 135 coupled output. The DRx module C910 includes a number of paths between the input and the output of DRx module C910. In some implementations, the DRx module C910 includes one or more bypass paths (not shown) between the input and the output, which are activated by one or more bypass switches controlled by the DRx controller C902.

The DRx module C910 comprises a number of multiplexer paths comprising an input multiplexer C311 and an output multiplexer C312. The multiplexer paths include a number of module-side paths (comprising) the input multiplexer C311, a bandpass filter C313a-C313d, a tunable impedance matching component C934a-C934d, an amplifier C314a-C314d, and the output multiplexer C312. The multiplexer paths may include a number of module-external paths (not shown) as described above. As also described above, amplifiers C314a-C314d may be variable gain amplifiers and / or variable current amplifiers.

The tunable impedance matching components C934a-C934d may be a tunable T-circuit, a tunable PI circuit, or any other type of tunable matching circuit. The tunable impedance matching components C934a-C934d may include one or more variable components, such as resistors, inductors, and / or capacitors. The variable components may be implemented in parallel and / or in series, and may be connected between the outputs of the input multiplexer C311 and the inputs of the amplifiers C314a to C314d or the outputs of the input multiplexer C311 and a ground potential.

The DRx controller C902 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller C902 is configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller C902 (eg, from a communication controller). The DRx controller C902 may selectively enable the paths by, for example, enabling or disabling the amplifiers C314a-C314d, by controlling the multiplexers C311, C312, or using other approaches as described above.

In some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d. In some implementations, the DRx controller C902 tunes the tunable impedance matching components C934a through C934d based on the band select signal. For example, the DRx controller C902 may tune the tunable impedance matching components C934a-C934d based on a lookup table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receiving a band select signal, the DRx controller C902 may send an impedance tuning signal to the tunable impedance matching component C934a through C934d of each active path to tune the tunable impedance matching component (or its variable components) according to the tuning parameters.

In some implementations, the DRx controller C902 tunes the tunable impedance matching components C934a-C934d based at least in part on the amplifier control signals that are transmitted to control the gain and / or current consumption of the amplifiers C314a-C314d.

In some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d of each active path so that the band associated noise figure minimizes (or reduces) the band-associated gain maximizes (or increases) the band-out-of-band noise figure for each other active Path minimizes (or decreases) and minimizes (or decreases) the out-of-band gain for any other active path.

In some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d of each active path so that the band-associated metric (the band-associated noise figure minus the band-associated gain) minimizes (or decreases) and the out-of-band metric (the out-of-band noise figure plus the out-of-band gain) of any other active path can be minimized (or decreased).

In some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d of each active path so that the band-related metric minimizes (or decreases) considering the set of constraints and under-limits the out-of-band metric for each of the other active paths Considering the set of constraints minimizes (or decreases), where further constraints require that the band-related metric be increased by no more than a threshold amount (eg, 0.1 dB, 0.2 dB, 0.5 dB or any other any value).

Thus, in some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d of each active path such that the tunable impedance matching component limits a band-related metric of the band-associated noise figure minus the band-associated gain to a band-associated threshold of a band-associated minimum, e.g. B. a minimum achievable taking into account any boundary conditions. The DRx controller C902 may further be configured to tune the tunable impedance matching components C934a to C934d of each active path such that the tunable one of the tunable impedance matching components C934a to C934d of each active path Impedance adjustment component reduces an out-of-band metric of the out-of-band noise plus the out-of-band gain to an out-of-band minimum bound, e.g. For example, taking into account the additional constraint that the band associated metric is incremented by no more than a threshold amount, an attainable minimum for the out of band metric.

In some implementations, the DRx controller C902 is configured to tune the tunable impedance matching components C934a-C934d of each active path to minimize a mixed band-weighted metric plus the out-of-band-factor-weighted out-of-band metric under any constraints ,

The DRx controller C902 may tune the tunable impedance matching components C934a-C934d to different values for different groups of frequency bands.

In some implementations, the tunable impedance matching components C934a-C934d may be replaced by continuous impedance matching components that are neither tunable nor controllable by the DRx controller C902. Each of the impedance matching components arranged along a respective one of the corresponding frequency band associated paths may be configured to reduce (or minimize) the band associated metric for that frequency band and the out of band metric for one or more of the other frequency bands (eg, each of the other frequency bands ) to reduce (or minimize).

For example, the third impedance matching component C934c may be constant and configured to (1) reduce the band-associated metric for the third frequency band, (2) reduce the band-out metric for the first frequency band, (3) the band-external metric for the second frequency band and / or (4) reduce the out-of-band metric for the fourth frequency band. The other impedance matching components may be constant and configured in an analogous manner.

Therefore, the DRx module C910 includes a DRx controller C902 that is configured to selectively enable one or more of a plurality of paths between an input of the DRx module C910 and an output of the DRx module C910. The DRx module C910 further comprises a plurality of amplifiers C314a-C314d, each of the plurality of amplifiers C314a-C314d being arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The DRx module C910 further includes a plurality of impedance matching components C934a to C934d, each of which impedance matching component of the plurality of impedance matching components C934a to C934d is arranged along a corresponding one of the plurality of paths and configured to have one or both of an out-of-band noise figure and an out-of-band one Reinforcement of the corresponding path to reduce the multiplicity of paths.

In some embodiments, the first impedance matching component C934a disposed along a first path associated with a first frequency band (eg, the frequency band of the first bandpass filter C313a) may be configured to apply one or both of an out-of-band noise figure and an out-of-band gain for a second one a frequency band associated with a second path (eg the frequency band of the second bandpass filter C313b).

Further, in some embodiments, the first impedance matching component C934a may be configured to reduce one or both of an out-of-band noise figure and an out-of-band gain for a third frequency band associated with a third path (eg, the frequency band of the third bandpass filter C313c).

Similarly, in some embodiments, the second impedance matching component C934b disposed along the second path may be configured to reduce one or both of an out-of-band noise figure and an out-of-band gain for the first frequency band.

17 FIG. 12 shows that, in some embodiments, a diversity receiver BC1000 configuration may include a DRx module BC1010 having tunable impedance matching components disposed at the input and output. The DRx module BC1010 may include one or more tunable impedance matching components disposed on one or more of the input and output of the DRx module BC1010. In particular, the BC1010 DRx module can have a BC1016 tunable input impedance matching component connected to an input of the BC1010 DRx module and / or include a tunable output impedance matching component BC1017 disposed at an output of the DRx module BC1010.

It is unlikely for different frequency bands, all on the same diversity antenna 140 receive an ideal impedance match. To adapt each frequency band by means of a compact matching circuit, a tunable input impedance matching component BC1016 may be implemented at the input of the DRx module BC1010 and controlled by the DRx controller BC1002 (eg, based on a band select signal from a communication controller). The DRx controller BC1002 may tune the tunable input impedance matching component BC1016 based on a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller BC1002 may send an input impedance tuning signal to the tunable input impedance matching component BC1016 to tune the tunable input impedance matching component (or its variable components) in accordance with the tuning parameters.

The tunable input impedance matching component BC1016 may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable input impedance matching component BC1016 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the input of the DRx module BC1010 and the input of the first multiplexer BC311 or between the input of the DRx module BC1010 and a ground potential.

Similarly, it is with only one transmission line 135 (or at least a few transmission lines) transmitting signals on different frequency bands are unlikely to experience ideal impedance matching for different frequency bands. To adapt each frequency band by means of a compact matching circuit, a tunable output impedance matching component BC1017 may be implemented at the output of the DRx module BC1010 and controlled by the DRx controller BC1002 (eg, based on a band select signal from a communication controller). The DRx controller BC1002 may tune the tunable output impedance matching component BC1017 based on, for example, a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receiving a band select signal, the DRx controller BC1002 may send an output impedance tuning signal to the tunable output impedance matching component BC1017 to tune the tunable output impedance matching component (or its variable components) in accordance with the tuning parameters.

The tunable output impedance matching component BC1017 may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable output impedance matching component BC1017 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the output of the second multiplexer BC312 and the output of the DRx module BC1010 or between the output of the second multiplexer BC312 and a ground potential.

18 FIG. 12 shows that in some embodiments, a diversity receiver configuration BC1100 may include a DRx module BC1110 having multiple tunable components. The configuration BC1100 of a diversity receiver comprises a DRx module BC1110, which has one with an antenna 140 coupled input and one with a transmission line 135 having coupled output. The DRx module BC1110 includes a number of paths between the input and the output of the DRx module BC1110. In some implementations, the DRx module BC1110 includes one or more bypass paths (not shown) between the input and the output, which are controlled via one or more bypass switches by the DRx controller BC1102.

The DRx module BC1110 comprises a number of multiplexer paths which comprise an input multiplexer BC311 and an output multiplexer BC312. The multiplexer paths include a number of module-side paths, including a tunable input impedance matching component BC1016, the input multiplexer BC311, a bandpass filter BC313a-BC313d, a tunable impedance matching component BC934a-BC934d, an amplifier BC314a-BC314d tunable phase shift adjustment component BC724a to BC724d, the output multiplexer BC312, and a tunable output impedance matching component BC1017. The multiplexer paths include a number of module-external paths (not shown) as described above. As also described above, the amplifiers BC314a through BC314d may be variable gain amplifiers and / or variable current amplifiers.

The DRx controller BC1102 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller BC1102 is configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller BC1102 (eg, from a communication controller). The DRx controller BC1102 may selectively enable the paths by, for example, enabling or disabling the amplifiers BC314a to BC314d, controlling the multiplexers BC311, BC312, or other mechanisms as described above. In some implementations, the DRx controller BC1102 is configured to send an amplifier control signal to one or more of the amplifiers BC314a to BC314d disposed along the one or more of the enabled paths. The amplifier control signal controls the gain (or current draw) of the amplifier to which it is sent.

The DRx controller BC1102 is configured to tune the tunable input impedance matching component BC1016, the tunable impedance matching components BC934a to BC934d, the tunable phase shift adjustment components BC724a to BC724d, and / or the tunable output impedance matching component BC1017. For example, the DRx controller BC1102 may tune the tunable components based on a look-up table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller BC1102 may send a tuning signal to the tunable component (s) to tune the tunable component (or its variable components) in accordance with the tuning parameters. In some implementations, the DRx controller BC1102 tunes the tunable components based at least in part on amplifier control signals transmitted to control the gain and / or current consumption of the amplifiers BC314 to BC314d. In various embodiments, one or more of the tunable components may be replaced by constant components that are not controlled by the DRx controller BC1102.

It should be noted that tuning one of the tunable components may affect the tuning of another of the tunable components. Therefore, the tunable parameters stored in a look-up table for a first tunable component may be based on the tuning parameters for a second tunable component. For example, the tuning parameters for the tunable phase shift adjustment components BC724a to BC724d may be based on tuning parameters for the tunable impedance matching components BC934a to BC934d. In another example, the tuning parameters for the tunable impedance matching components BC934a through BC934d may be based on the tuning parameters for the tunable input impedance matching component BC1016.

19 shows an embodiment of a process flow diagram of a method for processing an RF signal. In some implementations (and as exemplified below), the method BC1200 is performed by a controller, such as the DRx controller BC1102 of FIG 18 , In some implementations, method BC1200 is performed by processing logic including hardware, software, firmware, or a combination thereof. In some implementations, method BC1200 is performed by a processor executing process instructions stored on a non-transitory computer-readable medium (eg, a memory). Briefly, method BC1200 includes receiving a band select signal and passing a received RF signal along one or more gain controlled paths to process the received RF signal.

The BC1200 begins at block BC1210 with the receipt of a band select signal by the controller. The controller may receive the band select signal from another controller or mobile base station or other external source. The band select signal may designate one or more frequency bands over which a wireless device is to transmit and receive RF signals. In some embodiments, the band selection signal identifies a set of frequency bands for carrier clustering communication.

At block BC1220, the controller selectively activates one or more paths of a diversity receiver module (DRx module) based on the band select signal. As described above, the DRx module may include a number of paths between one or more inputs (coupled to one or more antennas) and one or more outputs (coupled to one or more transmission lines) of the DRx module. The paths may include bypass paths and multiplexer paths. The multiplexer paths may have module-side and module-external paths.

The controller may control the one or more paths by, for example, opening or closing one or more bypass switches, activating or deactivating one or more repeaters disposed along the paths via an amplifier enable signal, driving one or more multiplexers via a divider control signal and / or a combiner control signal by other approaches. For example, the controller may open or close switches located along the paths, or set the gain of the amplifiers along the paths to near zero.

At block BC1230, the controller sends a tuning signal to one or more tunable components disposed along the one or more enabled paths. The tunable components may include a tunable input impedance matching component disposed at an input of the DRx module, a plurality of tunable impedance matching components disposed along the plurality of paths, a plurality of tunable phase shift components disposed along the plurality of paths, and or a tunable output impedance matching component located at an output of the DRx module.

The controller may tune the tunable components based on a lookup table in which the respective frequency bands (or groups of frequency bands) indicated by the band select signal are associated with tuning parameters. Accordingly, upon receipt of a band select signal, the DRx controller may send a tuning signal to the tunable components (the active paths) to tune the tunable components in accordance with the tuning parameters. In some embodiments, the controller tunes the tunable components at least in part based on amplifier control signals that are transmitted to adjust the gain and / or current draw of one or more along respective ones of the one or more enabled paths.

Among other things, the example C explained above with respect to impedance matching components can be summarized as follows.

In accordance with some embodiments, the present disclosure relates to a receiving system having a controller configured to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of impedance matching components. Each impedance matching component of the plurality of impedance matching components is arranged along a corresponding one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths.

In some embodiments, a first impedance matching component of the plurality of impedance matching components disposed along a first one of the plurality of paths associated with a first frequency band may be configured to have one or both of an out-of-band noise figure and an out-of-band amplification for a second one of the plurality of paths reduce frequency band associated with paths.

In some embodiments, a second impedance matching component of the plurality of impedance matching components disposed along the second path may be configured to reduce one or both of an out-of-band noise figure and an out-of-band gain for the first frequency band. In some embodiments, the first impedance matching component may be further configured to reduce one or both of an out-of-band noise figure and an out-of-band gain for a third frequency band associated with a third path of the plurality of paths.

In some embodiments, the first impedance matching component may be further configured to reduce one or both of a band associated noise figure and a band associated gain for the first frequency band. In some embodiments, the first impedance matching component may be further configured to reduce a band associated metric of the band associated noise figure minus the band associated gain below a threshold amount of a minimum of the band associated metric. In some embodiments, the first impedance matching component may be further configured to reduce an out-of-band noise-extra-noise metric plus the out-of-band gain to an out-of-band minimum bound by the band membership.

In some embodiments, the receiving system may further include a multiplexer configured to split an input signal received at the input into a plurality of signals onto a corresponding plurality of frequency bands propagated along the plurality of paths. In some embodiments, each of the plurality of impedance matching components may be disposed between the multiplexer and a corresponding one of the plurality of amplifiers. In some embodiments, the receiving system may further include a signal combiner configured to combine signals propagating along the plurality of paths.

In some embodiments, at least one of the plurality of impedance matching components may be a passive circuit. In some embodiments, at least one of the plurality of impedance matching components may be an RLC circuit.

In some embodiments, at least one of the plurality of impedance matching components may include a tunable impedance matching component configured to represent an impedance controlled by an impedance tuning signal received from the controller.

In some embodiments, a first impedance matching component disposed along a first frequency band associated path of the plurality of paths may be further configured to phase shift the second frequency band of a signal passing the first impedance matching component such that an initial signal, which propagates along a second path associated with the second frequency band of the plurality of paths, and a reflected signal propagating along the first path is at least partially in phase.

In some embodiments, the present disclosure relates to a radio frequency module, RF module, having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system includes a controller adapted to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of impedance matching components. Each impedance matching component of the plurality of impedance matching components is arranged along a corresponding one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths. In some embodiments, the RF module may be a diversity receiver front end module, FEM.

In some embodiments, a first impedance matching component of the plurality of impedance matching components disposed along a first one of the plurality of paths associated with a first frequency band may be configured to have one or both of an out-of-band noise figure and an out-of-band amplification for a second one of the plurality of paths reduce frequency band associated with paths.

In accordance with some teachings, the present disclosure relates to a wireless device that includes a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front end module, FEM, in communication with the first antenna. The first FEM includes a package substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system includes a controller adapted to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a plurality of impedance matching components. Each impedance matching component of the plurality of impedance matching components is arranged along a corresponding one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths. The wireless device further includes a transceiver configured to receive a processed version of the first RF signal over a transmission line from the output and to generate data bits based on the processed version of the first RF signal.

In some embodiments, the wireless device may further include a second antenna configured to receive a second RF signal and a second FEM in communication with the second antenna. The transceiver is configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

In some embodiments, a first impedance matching component of the plurality of impedance matching components disposed along a first one of the plurality of paths associated with a first frequency band may be configured to have one or both of an out-of-band noise figure and an out-of-band amplification for a second one of the plurality of paths reduce frequency band associated with paths.

Example D: Amplifiers downstream filters

20 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver D400 may include a diversity receiver module (DRx module) D410 having a plurality of bandpass filters D423a-D423d disposed at the outputs of a plurality of amplifiers D314a-D314d. The configuration of a diversity receiver D400 includes a DRx module D410, which is one with an antenna 140 coupled input and one with a transmission line 135 has a coupled output. The DRx module D410 includes a number of paths between the input and output of the DRx module D410. Each of the paths includes an input multiplexer D311, a bandpass filter D413a-D413d disposed in front of the amplifiers, an amplifier D314a-D314d, a post-amplifier bandpass filter D423a-D423d, and an output multiplexer D312.

The DRx controller D302 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller D302 may be configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller D302 (eg, from a communication controller). The DRx controller D302 may selectively enable the paths by, for example, enabling or disabling the amplifiers D314a-D314d, by controlling the multiplexers D311, D312, or using other approaches.

The output of the DRx module D410 is via the transmission line 135 is fed to a diversity RF module D420 extending from the diversity RF module 320 of the 3 in it differs that the diversity RF module D420 the 20 has no downstream bandpass filter. In some embodiments (such as in 20 shown), the downstream multiplexer D321 can be configured as a sampling switch.

The inclusion of downstream bandpass filters D423a-D423d in the DRx module D410 rather than in the diversity RF module D420 can bring a number of advantages. For example, as described in detail below, such a configuration may improve the noise figure of the DRx module D410, simplify the filter design, and / or improve path isolation.

Each of the paths of DRx module D410 may be characterized by a noise figure. The noise figure of each path reflects the degree of degradation in signal-to-noise ratio (SNR) caused by propagation along the path. In particular, the noise figure for each path may be expressed as the difference in decibels (dB) between the SNR at the input of the bandpass filters D413a to D413d connected upstream of the amplifiers and the SNR at the output of the bandpass filters D423a to D423d connected after the amplifiers. The noise figure of each path may be different for different frequency bands. For example, the first path may be a band-related noise figure for the first Have frequency band and an out-of-band noise figure for the second frequency band. Similarly, the second path may have a band-related noise figure for the second frequency band and an out-of-band noise figure for the first frequency band.

The DRx module D410 may also be characterized by a noise figure that differs for different frequency bands. In particular, the noise figure of the DRx module D410 for each path may be the difference in dB between the SNR at the input of the DRx module D410 and the SNR at the output of the DRx module D410.

Since the signal propagating along two paths is combined by the output multiplexer D312, out-of-band noise generated or amplified by an amplifier can adversely affect the combined signal. For example, out-of-band noise generated or amplified by the first amplifier D314a may increase the noise figure of the DRx module D410 in the second frequency band. Therefore, the bandpass filter D423a located along the path and downstream of the amplifier can reduce this out-of-band noise and thus reduce the noise figure of the DRx module D410 in the second frequency band.

In some embodiments, the bandpass filters D413a-D413d preceding the amplifier and the bandpass filters D423a-D423d connected downstream of the amplifier can be made complementary, so that the filter design can be simplified and / or the same performance can be achieved with fewer components at less cost. For example, the bandpass filter D423a arranged along the first path and located downstream of the amplifier can attenuate those frequencies which the bandpass filter D413a arranged along the first path and upstream of the amplifier attenuates less strongly. As an example, the bandpass filter D413a preceding the amplifier can attenuate frequencies below the first frequency band more than frequencies above the first frequency band. Complementarily, the bandpass filter D423a connected downstream of the amplifier can attenuate frequencies above the first frequency band more than frequencies below the first frequency band. This causes the bandpass filter D413a preceding the amplifier, in conjunction with the bandpass filter D423a connected downstream of the amplifier, to attenuate all out-of-band frequencies using fewer components. Generally speaking, one of the bandpass filters arranged along one path may attenuate frequencies below the corresponding frequency band more than frequencies above the corresponding frequency band, and another bandpass filter arranged along a path may attenuate frequencies above the corresponding frequency band more than frequencies below the corresponding frequency band. The bandpass filters D413a to D413d preceding the amplifier and the bandpass filters D423a to D423d connected downstream of the amplifier may also be complementary with respect to other characteristics. For example, the bandpass filter D413a disposed along the first path and upstream of the amplifier may phase shift a signal by a certain number of degrees in one direction, and the bandpass filter D423a located along the first path and downstream of the amplifier may bypass the signal Move number of degrees in opposite direction in phase.

In some embodiments, the bandpass filters D423a-D423d connected downstream of the amplifier may improve the isolation of the paths. For example, a signal propagating along the first path without bandpass filters connected downstream of the amplifier can be filtered by the bandpass filter D413a connected upstream of the amplifier to the first frequency band and amplified by the amplifier D314a. The signal may leak through the output multiplexer D312 and propagate in the reverse direction along the second path where it is reflected at the amplifier D314b, the bandpass filter D413b upstream of the amplifier, or other components along the path. If this signal is phase shifted with respect to the initial signal, the signal may be attenuated when combined by the output multiplexer D312. On the other hand, the leaked signal is banded by the bandpass filter (mainly in the first frequency band) connected downstream of the amplifier through the bandpass filter D423b arranged along the second path and associated with the second frequency band and downstream of the amplifier, so that the effects of reflected signals can be reduced.

Therefore, the DRx module D410 may include a controller configured to provide one or more of a plurality of paths between the input of a first multiplexer (eg, the input multiplexer D311) and an output of a second multiplexer (eg, the first multiplexer) Output multiplexer D312) selectively activate. The DRx module D410 further includes a plurality of amplifiers D314a-D314d, each of which is arranged along a corresponding one of the plurality of paths, and thereto is designed to amplify a signal received at the amplifier. The DRx module D410 includes a first plurality of bandpass filters (eg, the amplifier-connected bandpass filters D423a-D423d), each of the first plurality of bandpass filters along a corresponding one of the plurality of paths at an output of a corresponding one of the plurality of amplifiers of amplifiers D314a to D314d and configured to filter a signal received at the bandpass filter to a corresponding frequency band. As in 20 In some implementations, the DRx module D410 may include a second plurality of bandpass filters (eg, the bandpass filters D413a-D413d upstream of the amplifiers), each of the second plurality of bandpass filters along a corresponding one of the plurality of paths at an input a corresponding amplifier of the plurality of amplifiers D314a to D314d is arranged and adapted to filter a signal received at the bandpass filter signal to a corresponding frequency band.

21 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver D450 may include a diversity RF module D460 having fewer amplifiers than a diversity receiver module (DRx module) D410. As noted above, in some embodiments, the diversity RF module D460 does not include bandpass filters. Therefore, the one or more amplifiers D424 of the diversity RF module D460 need not necessarily be band specific. In particular, the diversity RF module D460 may include one or more paths, each with an amplifier D424, that are not mapped on a 1: 1 basis to the paths of the DRx module D410. Such an association of paths (or the corresponding amplifiers) may be in the control device 120 get saved.

Compared to the DRx module D410, which has a number of paths corresponding to the number of frequency bands, the diversity RF module D460 can accordingly have one or more (running from the input of the diversity RF module D460 to the input of the multiplexer D321) Have paths that are not associated with a single frequency band.

In some embodiments (as in 21 shown), the diversity RF module D460 includes a single wideband or tunable amplifier D424 which transmits over the transmission line 135 amplifies received signal and outputs an amplified signal to a multiplexer D321. Multiplexer D321 includes a plurality of multiplexer outputs, each associated with a respective frequency band. In some embodiments, the multiplexer D321 may be formed as a sampling switch. In some embodiments, the diversity RF module D460 does not include any amplifiers.

In some embodiments, the diversity signal is a binding signal. Thus, in some implementations, the multiplexer D321 is a single-pole / multiple-throw (SPMT) device which supplies the diversity signal to an output of the plurality of outputs associated with the frequency band of the envelope signal on the basis of one of the control means 120 received signal passes. In some embodiments, the diversity signal is a multi-band signal. Therefore, in some embodiments, the multiplexer D421 is a band divider that distributes the diversity signal to two or more outputs of the plurality of outputs associated with the two or more frequency bands of the multi-band signal, based on one of the control means 120 received divider control signal divides. In some implementations, the diversity RF module D460 may be merged with the transceiver D330 in a single module.

In some implementations, the diversity RF module D460 includes a plurality of amplifiers, each associated with a set of frequency bands. The signal of the transmission line 135 may be fed to a band divider which outputs high frequencies along a first path to a high frequency amplifier and low frequencies along a second path to a low frequency amplifier. The output of each of the amplifiers may be connected to the multiplexer D321, which in turn is adapted to pass the signal to the respective inputs of the transceiver D330.

22 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver D500 may include a DRx module D510 coupled to one or more filters D513, D523 outside of the module. The DRx module D510 may include a package substrate D501 configured to receive a plurality of components and a receiving system implemented on the package substrate D501. The DRx module D510 can include one or more signal paths that are routed out of the DRx module D510 and provided to a system integrator, designer, or manufacturer to support a filter for any desired band.

The DRx module D510 includes a number of paths between the input and output of the DRx module D510. The DRx module D510 includes a bypass path between the input and the output, which is activated by a bypass switch D519 controlled by the DRx controller D502. Even though 22 discloses a single bypass switch D519, the bypass switch D519 may, in some embodiments, include a plurality of switches (eg, a first switch in close proximity to the input and a second switch in close proximity to the output). As in 22 As shown, the bypass path does not include a filter or amplifier.

The DRx module D510 includes a number of multiplexer paths that include a first multiplexer D511 and a second multiplexer D512. The multiplexer paths include a number of module-side paths including the first multiplexer D511, a pre-amplifier bandpass filter D413a-D413d implemented on the package substrate D501, an amplifier D314a-D314d implemented on the package substrate D501, and a package substrate D501 implemented after the amplifiers arranged bandpass filters D423a to D423d and the second multiplexer D512 include. The multiplexer paths include a number of out-of-module paths including the first multiplexer D511, a bandpass filter D513 placed outside the package substrate D501, an amplifier D514, a post-amplifier bandpass filter D523 implemented on the package substrate D501, and the second multiplexer Include D512. The amplifier D514 may be a broadband amplifier that may be implemented on the package substrate D501 or outside of the package substrate D501. In some embodiments, one or more of the extra-module paths may not have a bandpass filter D513 connected in front of the amplifier, but a bandpass filter D523 connected after the amplifier. As described above, the amplifiers D314a-D314d, D514 may be variable-gain amplifiers and / or variable-current amplifiers.

The DRx controller D502 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller D502 is configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller D502 (eg, from a communication controller). The DRx controller D502 may selectively activate the paths by, for example, opening or closing the bypass switch D519, enabling or disabling the amplifiers D314a-D314d and D514, controlling the multiplexers D511, D512, or other mechanisms. For example, the DRx controller D502 may open or close switches along the paths (eg, between the filters D313a-D313d, D513 and the amplifiers D314a-D314d, D514), or the gain of the amplifiers D314a-D314d, D514 may be substantially zero put.

23 FIG. 12 shows that, in some embodiments, a diversity receiver configuration D600 may include a DRx module D610 having tunable matching circuits. In particular, DRx module D610 may include one or more tunable matching circuits disposed on one or more of the inputs and outputs of DRx module D610.

It is unlikely for different frequency bands, all on the same diversity antenna 140 are received to achieve an ideal impedance matching. To adapt each frequency band by means of a compact matching circuit, a tunable input matching circuit D616 may be implemented at the input of the DRx module D610 and controlled by the DRx controller D602 (e.g. Based on a band select signal from a communication controller). The DRx controller D602 may tune the tunable input matching circuit D616 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. The tunable input matching circuit D616 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable input matching circuit D616 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the input of the DRx module D610 and the input of the first multiplexer D311 or between the input of the DRx module D610 and a ground potential.

Similarly, with only one transmission line 135 (or at least a few cables) that carry signals from many frequency bands, it is not expected that different frequency bands will all experience ideal impedance matching. To adapt each frequency band by means of a compact matching circuit, a tunable output matching circuit D617 may be implemented at the output of the DRx controller D602 and controlled by the DRx controller D602 (eg, based on a band select signal from a communication controller). The DRx controller D602 may tune the tunable output matching circuit D617 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. The tunable output matching circuit D617 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable output matching circuit D617 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the output of the DRx module D610 and the output of the second multiplexer D312 or between the output of the DRx module D610 and a ground potential.

Inter alia, Example D discussed above with respect to amplifiers downstream filters may be summarized as follows.

According to some embodiments, the present disclosure relates to a receiving system having a controller configured to selectively activate one or more paths of a plurality of paths between an input of a first multiplexer and an output of a second multiplexer. The receiving system may include a plurality of amplifiers. Each amplifier of the plurality of amplifiers may be arranged along an associated one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system may include a first plurality of bandpass filters. Each bandpass filter of the first plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band.

In some embodiments, the receiving system may further include a second plurality of bandpass filters. Each bandpass filter of the second plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an input of a corresponding one of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band.

In some embodiments, a bandpass filter along a first path of the first plurality of bandpass filters and a bandpass filter along the first path may be complementary to the second plurality of bandpass filters. In some embodiments, one of the bandpass filters along the first path may attenuate frequencies below a first frequency band more than frequencies above the first frequency band, and another bandpass filter disposed along the first path may attenuate frequencies above the first frequency band more than frequencies below the first frequency band.

In some embodiments, the receiving system may further include a transmission line coupled to the output of the second multiplexer and to a downstream module including a downstream multiplexer. In some embodiments, the downstream module may not include a downstream bandpass filter. In some embodiments, the downstream multiplexer may include a sampling switch. In some embodiments, the downstream module may include one or more downstream amplifiers. In some embodiments, a number of the one or more downstream amplifiers may be less than a number of the plurality of amplifiers.

In some embodiments, at least one of the plurality of amplifiers may include a low noise amplifier.

In some embodiments, the receiving system may further comprise one or more tunable matching circuits disposed at the input of the first multiplexer and / or the output of the second multiplexer.

In some embodiments, the controller may be configured to selectively activate the one or more of the plurality of paths based on a band select signal received by the controller. In some embodiments, the controller may be configured to selectively enable the one or more of the plurality of paths by sending a divider control signal to the first multiplexer and a combiner control signal to the second multiplexer.

In some embodiments, the present disclosure relates to a radio frequency module, RF module, having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system includes a controller configured to selectively enable one or more paths of a plurality of paths between an input of a first multiplexer and an output of a second multiplexer. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers may be arranged along an associated one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a first plurality of bandpass filters. Each bandpass filter of the first plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band.

In some embodiments, the RF module may be a diversity receiver front end module, FEM.

In some embodiments, the receiving system may further include a second plurality of bandpass filters. Each bandpass filter of the second plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an input of a corresponding one of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band.

In some embodiments, the plurality of paths may include an out-of-module path having a module-external bandpass filter and one of the plurality of amplifiers.

In accordance with some teachings, the present disclosure relates to a wireless device that includes a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front end module, FEM, in communication with the first antenna. The first FEM includes a package substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system includes a controller configured to selectively enable one or more paths of a plurality of paths between an input of a first multiplexer and an output of a second multiplexer. The receiving system further includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers may be arranged along an associated one of the plurality of paths and configured to amplify a signal received at the amplifier. The receiving system further includes a first plurality of bandpass filters. Each bandpass filter of the first plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band. The wireless device further includes a communication module configured to receive a processed version of the first RF signal over a transmission line from the output and to generate data bits based on the processed version of the first RF signal.

In some embodiments, the wireless device further includes a second antenna configured to receive a second RF signal and a second FEM in communication with the second antenna. The communication module is configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

In some embodiments, the receiving system may further include a second plurality of bandpass filters. Each bandpass filter of the second plurality of bandpass filters may be arranged along an associated one of the plurality of paths at an input of a corresponding one of the plurality of amplifiers and configured to filter a signal received at the bandpass filter to an associated frequency band.

Example E: Switch network

24 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver E500 may include a DRx module E510 having a single-pole / single-throw (SPST) E519. The DRx module E510 comprises two paths from one input of the DRx module E510, coupled with an antenna 140 , and from an output of the DRx module E510 coupled to a transmission line 135 , The DRx module E510 includes a plurality of amplifiers E514a to E514b arranged along a respective one of the plurality of paths and configured to amplify a signal received at the amplifier. In some embodiments, as in 24 at least one of the plurality of amplifiers has a two-stage amplifier.

In DRx module E510 the 24 For example, the signal splitter and bandpass filters are implemented as two-way diplexers E511. The Diplexer E511 includes an input which is connected to the antenna 140 is coupled, a first output coupled to a phase shift component E527a disposed along a first path, and a second output coupled to a phase shift component E527b disposed along a second path. At the first output, the diplexer E511 inputs at the input (eg from the antenna 140 ) and filtered to a first frequency band. At the second output, the diplexer E511 outputs the signal received at the input and filtered to a second frequency band. In some implementations, the diplexer E511 may be replaced by a triplexer, quadplexer, or any other multiplexer configured to convert a signal received at the input of the DRx module E510 into a plurality of signals in a plurality propagated along a plurality of paths, respectively to divide frequency bands.

In some embodiments, an output multiplexer or other signal combiner arranged at the output of a DRx module, such as the second multiplexer, may be included 312 of the 3 reduce the performance of the DRx module when receiving a cover signal. For example, the output multiplexer may attenuate or noise the Boundary signal. If several amplifiers such as the amplifier 314a to 314d of the 3 At the same time, in some embodiments, each amplifier may cause not only intra-band noise but even off-band noise for each of the many other bands.

The DRx module E510 the 24 meets some of these requirements. The DRx module E510 includes a single-pole single-throw (SPST) switch E519 which couples the first path to the second path. To operate in a coverband mode for the first band, switch E519 is set to an open switch position, the first amplifier E514a is activated, and the second amplifier E514b is deactivated. Therefore, the single-band signal in the first frequency band propagates along the first path from the antenna 140 to the transmission line 135 without switching losses. Similarly, the switch E519 is set in an open position, the first amplifier E514a is deactivated, and the second amplifier E514b is activated to operate in a cover band mode for the second frequency band. Therefore, the single-band signal in the second frequency band propagates along the second path from the antenna 140 to the transmission line 135 without switching losses.

In order to operate in a multi-band mode for the first frequency band and the second frequency band, the switch E519 is set to a closed switching position, the first amplifier E514a is activated and the second amplifier E514b is deactivated. Therefore, the portion of the multi-band signal associated with the first frequency band propagates along the first path through a first phase shift component E527a, a first impedance matching component E526a, and the first amplifier E514a. The portion associated with the first frequency band can not bypass the switch E519 and thus does not pass in reverse direction along the second path the second phase shift component E527b. In particular, the second phase shift component E527b is configured to phase shift the portion of a signal associated with the first frequency band that passes the second phase shift component E527b such that the impedance at the first frequency band is maximized (or at least increased).

The portion of the multi-band signal associated with the second frequency band propagates along the second path through a second phase shift component E527b, bypasses the switch E519, and propagates along the first path through the first phase shift component E527a and the first amplifier E514a. The portion associated with the second frequency band can not pass in reverse direction along the first path the first phase shift component E527a. In particular, the first phase shift component E527a is configured to phase shift the portion of a signal corresponding to the second frequency band that passes the first phase shift component E527a, such that the impedance at the second frequency band is maximized (or at least increased).

Each of the paths is characterized by a noise figure and a gain. The noise figure gives the degree of amplification through the path along the path Impedance matching components E526a to E526b caused deterioration of the signal-to-noise ratio (SNR). In particular, the noise figure for each path corresponds to the difference between the SNR at the input of the impedance matching component E526a to E526b and the SNR at the output of the amplifier E514a to E514b in decibels (dB). Therefore, the noise figure is a measure of the difference between the noise caused by the amplifier and the noise caused by an "ideal" amplifier of equal gain, ie an amplifier that causes no noise.

The noise figure of each path may be different for different frequency bands. For example, the first path may have a first noise figure for the first frequency band and a second noise figure for the second frequency band. The noise figure and the gain of each path may be dependent, at least in part, on the impedance (at each frequency band) of the impedance matching component E526a to E526b (for each frequency band). As a result, it may be preferable that the impedance of the impedance matching component E526a to E526b is set such that the noise figure for each path is minimized (or decreased).

In some implementations, the second impedance matching component E526b represents an impedance that minimizes (or reduces) the noise figure for the second frequency band. In some implementations, the first impedance matching component E526a represents an impedance that minimizes (or reduces) the noise figure for the first frequency band. Since the portion of a multi-band signal associated with the second frequency band propagates in part along the first path, in some embodiments, the first impedance matching component E526a minimizes (or reduces) a measure comprising the noise figure for the first band and a noise figure for the second band.

The impedance matching components E526a to E526b may be implemented as passive circuits. In particular, the impedance matching components E526a-E526b may be implemented as RLC circuits and include one or more passive components such as resistors, inductors, and / or capacitors. The passive components may be coupled in parallel and / or in series between the outputs of the phase-shift components E527a-E527b and the inputs of the amplifiers E514a-E514b or coupled between the outputs of the phase-shift components E527a-E527b and a ground potential.

Similarly, the phase shift components E527a to E527b may be implemented as passive circuits. In particular, the phase shift components E527a to E527b may be implemented as LC elements and may include one or more passive components such as inductors and / or capacitors. The passive components may be coupled in parallel and / or in series between the output of the diplexer E511 and the inputs of the impedance matching components E526a to E526b or coupled between the output of the diplexer E511 and a ground potential.

25 FIG. 12 shows that, in some embodiments, a diversity receiver configuration E600 may include a DRx module E610 with tunable phase shift components E627a-E627d. Each of the tunable phase shift components E627a to E627d may be configured to shift a signal passed through the tunable phase shift component by a phase amount adjusted by a phase shift control signal from a controller.

The diversity receiver configuration E600 includes a DRx module E610 with one to an antenna 140 connected input and one to a transmission line 135 connected output. The DRx module E610 includes a number of paths between the input and output of the DRx module E610. Each of the paths includes a multiplexer E311, a bandpass filter E313a to E313d, a tunable phase shift component E627a to E627d, a switch network E612, a tunable impedance matching component E626a to E626d, and an amplifier E314a to E314d. As described above, the amplifiers E314a-E314d may be variable-gain amplifiers and / or variable-current amplifiers.

The tunable phase shift components E627a-E627d may include one or more variable components such as inductors and capacitors. The variable components may be coupled in parallel and / or in series between the outputs of the multiplexers E311 and the inputs of the switch network E612 or coupled between the outputs of the multiplexers and a ground voltage.

The tunable impedance matching components E626a-E626d may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. The tunable impedance matching components E626a-E626d may include one or more variable components such as resistors, inductors, and capacitors. The variable components may be coupled in parallel and / or series between the outputs of the switch network E612 and the inputs of the amplifiers E314a-E314d or coupled between the outputs of the switch network E612 and a ground voltage.

The DRx controller E602 is configured to selectively activate one or more of the plurality of paths between the input and the output. In some implementations, the DRx controller E602 is configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller E602 (eg, from a communication controller). The DRx controller E602 may selectively enable the paths by, for example, enabling or disabling the amplifiers E314a-E314d, controlling the multiplexers E311 and / or the switch network E612, or by other mechanisms.

In some implementations, the DRx controller E602 is configured to control the switch network E612 based on the band select signal. The switch network E612 includes a plurality of SPST switches, each of which couples two of the plurality of paths. The DRx controller E602 may send a switching signal (or multiple switching signals) to the switch network to open or close the plurality of SPST switches. For example, the DRx controller E602 may close a switch between the first path and the second path if the band select signal indicates that an input signal has a first frequency band and a second frequency band. If the band select signal indicates that an input signal has a second frequency band and a fourth frequency band, the DRx controller E602 may close a switch between the second path and the fourth path. If the band select signal indicates that an input signal comprises the first frequency band, the second frequency band, and the fourth frequency band, the DRx controller E602 may include both switches (and / or the switch between the first path and the second path and a switch between the first path and the fourth path). If the band select signal indicates that an input signal comprises the second frequency band, the third frequency band and the fourth frequency band, the DRx controller 602 may switch between the second path and the third path and a switch between the third path and the fourth path (and or the switch between the second path and the second path and a switch between the second path and the fourth path).

In some implementations, the DRx controller E602 is configured to tune the tunable phase shift components E627a-E627d. In some implementations, the DRx controller E602 tunes the tunable phase shift components E627a-E627d based on the band select signal. For example, the DRx controller E602 may tune the tunable phase-shift components E627a-E627d based on a look-up table that assigns specified frequency bands (or groups of frequency bands) to tuning parameters by the band select signal. Accordingly, the DRx controller E602, in response to a band select signal, can send a phase shift signal to the tunable phase shift components E627a-E627d of each of the active paths to tune the tunable phase-shift component E627a-E627d (or its variable components) according to the tuning parameters.

The DRx controller E602 may be configured to tune the tunable phase shift components E627a-E627d of each of the active paths to maximize (or at least increase) the impedance for the frequency bands associated with the other active paths. Therefore, if the first path and the third path are active, the DRx controller E602 may tune the first phase shift component E627a to maximize (or at least increase) the impedance for the third frequency band while in the case of an active first path and one In the fourth active path, the DRx controller E602 may tune the first phase shift component E627a to maximize (or at least increase) the impedance for the fourth frequency band.

In some embodiments, the DRx controller E602 is configured to tune the tunable impedance matching components E626a-E626d. In some implementations, the DRx controller E602 tunes the tunable impedance matching components E626a to E626d based on the band select signal. For example, the DRx controller E602 may tune the tunable impedance matching components E626a to E626d based on a look-up table indicating the frequency bands (or groups of frequency bands) indicated by the band selection signal. Assigns to tuning parameters. As a result, the DRx controller E602, in response to a band selection signal, may send an impedance matching signal corresponding to the tuning parameters to the tunable impedance matching components E626a-E626d of each of the active amplifier paths.

In some implementations, the DRx controller E602 tunes the tunable impedance matching components E626a-E626d of the active amplifier path so that a measure including the noise figure for the corresponding associated frequency band of each active path is minimized (or at least reduced).

In various embodiments, one or more of the tunable phase shift components E627a-E627d or tunable impedance matching components E626a-E626d may be replaced by constant components that are not controlled by the DRx controller E602.

26 shows an embodiment of a process flow diagram of a method E700 for processing an RF signal. In some implementations (and as exemplified below), the method is performed by a controller, such as the DRx controller E602 of FIG 25 , In some implementations, the method E700 is performed by processing logic including hardware, software, firmware, or a combination thereof. In some implementations, the method E700 is performed by a processor that executes process instructions stored on a non-transitory computer-readable medium (eg, a memory). Briefly, the method E700 includes receiving a band select signal and passing a received RF signal along one or more paths to process the received RF signal.

The method E700 begins at block E710 with the receipt of a band select signal by the controller. The controller may receive the band select signal from another controller or mobile base station or other external source. The band select signal may designate one or more frequency bands over which a wireless device is to transmit and receive RF signals. In some embodiments, the band selection signal identifies a set of frequency bands for carrier clustering communication.

At block E720, the controller transmits an amplifier enable signal to an amplifier of a DRx module based on the band select signal. In some embodiments, the band select signal designates a single frequency band, and the controller transmits an amplifier enable signal to activate an amplifier along a path associated with the single frequency band. The controller may transmit an amplifier enable signal to disable the other amplifiers arranged along other other frequency bands. In some implementations, the band select signal may identify a plurality of frequency bands, and the controller transmits an amplifier enable signal to activate an amplifier along one of the plurality of frequency bands associated with multiple paths. The controller may transmit an amplifier enable signal to disable the other amplifiers. In some implementations, the controller may enable the amplifier along the path associated with the lowest frequency band.

At block E730, the controller transmits a switching signal to control a switch network of single-pole / singlethrow (SPST) based on the band select signal. The switch network includes a plurality of SPST switches that couple the plurality of paths associated with a plurality of frequency bands. In some embodiments, the band select signal may identify a single frequency band, and the controller transmits a switch signal that opens all of the SPST switches. In some implementations, the band select signal may identify a plurality of frequency bands, and the controller transmits a switch signal to close one or more of the SPST switches to couple the paths associated with the plurality of frequency bands.

At block E740, the controller transmits a tuning signal to one or more tunable components based on the band select signal. The tunable components may include one or more of a plurality of tunable phase shift components or a plurality of tunable impedance matching components. The controller may tune the tunable components based on a look-up table that assigns specified frequency bands (or groups of frequency bands) to tuning parameters given by the band select signal. As a result, the DRx Control means to a band selection signal to send a tuning signal corresponding to the tuning parameters to the tunable components (the active paths) to tune the tunable components (or their variable components) according to the tuning parameters.

Among others, the example E discussed above with respect to a switch network can be summarized as follows.

In accordance with some embodiments, the present disclosure relates to a receiving system having a plurality of amplifiers. Each amplifier of the plurality of amplifiers is disposed along an associated one of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a signal received at the amplifier. The receiving system further includes a switch network having one or more single-pole power switches. Each of the switches couples two of the plurality of paths. The receiving system further comprises a controller adapted to receive a band select signal and to activate one of the plurality of amplifiers and to control the switch network based on the band select signal.

In some embodiments, upon receipt of a band select signal designating a single frequency band, the controller may be configured to activate one of the plurality of amplifiers associated with the single frequency band and to control the switch network such that all of the on or several switches are opened.

In some embodiments, the controller may be configured to, upon receipt of a band select signal designating a plurality of frequency bands, activate one or more of the plurality of amplifiers associated with one of the plurality of frequency bands and control the switch network to include at least one of the plurality of frequency bands the one or more switches are closed between the paths associated with the plurality of frequency bands.

In some embodiments, the receiving system may further include a plurality of phase shift components. Each of the plurality of phase shift components may be disposed along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component to increase the impedance for the frequency band associated with another of the plurality of paths , In some embodiments, each of the plurality of phase shift components may be disposed between the switch network and the input. In some embodiments, at least one of the plurality of phase shift components may include a tunable phase shift component configured to phase shift a signal passing through the phase shift component to phase-shift an amount predetermined by a phase shift tuning signal received from the controller. In some embodiments, the controller may be configured to generate the phase shift tuning signal based on the band select signal.

In some embodiments, the receiving system may include a plurality of impedance matching components. Each of the plurality of impedance matching components may be disposed along an associated one of the plurality of paths and configured to reduce a noise figure of the respective one of the plurality of paths. In some embodiments, each of the plurality of impedance matching components may be disposed between the switch network and a corresponding one of the plurality of amplifiers. In some embodiments, at least one of the plurality of impedance matching components may include a tunable impedance matching component configured to present an impedance predetermined by an impedance tuning signal received from the controller. In some embodiments, the controller may be configured to generate the impedance tuning signal based on the band select signal.

In some embodiments, the receiving system may further include a multiplexer configured to divide an input signal received at the input into a plurality of signals corresponding to each of the plurality of frequency bands propagated along the plurality of paths.

In some embodiments, at least one of the plurality of amplifiers comprises a two-stage amplifier.

In some embodiments, the controller may be further configured to disable the other of the plurality of amplifiers.

In some embodiments, the present disclosure relates to a radio frequency module, RF module, having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system includes a plurality of amplifiers. Each of the plurality of amplifiers is disposed along an associated one of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a signal received at the amplifier. The receiving system further comprises a switch network having one or more single-pole power switches. Each of the switches couples two of the plurality of paths. The receiving system further includes a controller configured to receive a band select signal and to activate one of the plurality of amplifiers based on the band select signal and to control the switch network.

In some embodiments, the RF module may be a diversity receiver front end module, FEM.

In some embodiments, the receiving system may further include a plurality of phase shift components. Each of the plurality of phase shift components may be arranged along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component to increase the impedance for the frequency band associated with another of the plurality of paths.

In accordance with some teachings, the present disclosure relates to a wireless device having a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front end module, FEM, in communication with the first antenna. The first FEM includes a package substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system includes a plurality of amplifiers. Each of the plurality of amplifiers is disposed along an associated one of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a signal received at the amplifier. The receiving system further comprises a switch network having one or more single-pole power switches. Each of the switches couples two of the plurality of paths. The receiving system further includes a controller configured to receive a band select signal and to activate one of the plurality of amplifiers based on the band select signal and to control the switch network. The wireless device further includes a transceiver configured to receive a processed version of the first RF signal via a cable from the output and to generate data bits based on the processed version of the first RF signal.

In some embodiments, the wireless device may further include a second antenna configured to receive a second RF signal and a second FEM in communication with the second antenna. The transceiver may be configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

In some embodiments, the receiving system may further include a plurality of phase shift components. Each of the plurality of phase shift components may be arranged along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component to increase the impedance for the frequency band associated with another of the plurality of paths.

Example F: Flexible Band Forwarding

27 FIG. 12 shows that, in some embodiments, a configuration of a diversity receiver F600 may include a DRx module F610 with tunable matching circuits. In particular, the DRx module F610 may include one or more tunable matching circuits located at one or more of the input and output of the DRx module F610.

It is unlikely for different frequency bands, all on the same diversity antenna 140 receive an ideal impedance match. To adapt each frequency band by means of a compact matching circuit, a tunable input matching circuit F616 may be implemented at the input of the DRx module F610 and controlled by the DRx controller F602 (eg, based on a band select signal from a communication controller). The DRx controller F602 may tune the tunable input matching circuit F616 based on a look-up table in which the respective frequency bands (or groups of frequency bands) are assigned tuning parameters. The tunable input matching circuit F616 may include a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable input matching circuit F616 may include one or more variable components such as resistors, inductors, or capacitors. The variable components may be connected in parallel or in series and connected between the input of the DRx module F610 and the input of the first multiplexer F311 or between the input of the DRx module F610 and a ground potential.

Similarly, with only one transmission line 135 (or at least a few cables) that carry signals from many frequency bands, it is not expected that different frequency bands will all experience ideal impedance matching. To adapt each frequency band by means of a compact matching circuit, a tunable output matching circuit F617 may be implemented at the output of the DRx controller F602 and controlled by the DRx controller F602 (eg, based on a band select signal from a communication controller). The DRx controller F602 may tune the tunable output matching circuit F617 on the basis of a look-up table in which the respective frequency bands (or groups of frequency bands) are associated with tuning parameters. The tunable output matching circuit F617 may comprise a tunable T-circuit, a tunable PI circuit, or any other tunable matching circuit. In particular, the tunable output matching circuit F617 may include one or more variable components such as resistors, inductors or capacitors. The variable components may be connected in parallel or in series and connected between the output of the DRx module F610 and the output of the second multiplexer F312 or between the output of the DRx module F610 and a ground potential.

28 FIG. 12 shows that in some embodiments, a diversity receiver configuration F700 may include multiple transmission lines. Although 28 an embodiment with two transmission lines F735a to F735b and an antenna 140 1, embodiments described herein may be implemented in embodiments having more than two transmission lines and / or two or more antennas (as discussed below).

The configuration F700 of a diversity receiver includes one with an antenna 140 coupled DRx module F710. The DRx module F710 includes a number of paths between an input of the DRx module F710 (eg, the one with the antenna 140 coupled input) and an output of the DRx module (eg, the first output coupled to the first transmission line F735a or the second output coupled to the second transmission line F735b). In some implementations, the DRx module F710 includes one or more bypass lines (not shown) between the input and the outputs, which are activated by one or more bypass switches controlled by the DRx controller F702.

The DRx module F710 includes a number of multiplexer paths that include an input multiplexor F311 and an output multiplexer F712. The multiplexer paths comprise a number of module-side paths (shown) comprising the input multiplexer F311, a bandpass filter F313a-F313d, an amplifier F314a-F314d, and the output multiplexer F712. The multiplexer paths may include one or more module-external paths (not shown) as described above. As also described above, the amplifiers F314a-F314d may be variable gain amplifiers or variable current gain amplifiers.

The DRx controller F702 is configured to selectively activate one or more of the plurality of paths. In some implementations, the DRx controller F702 is configured to selectively activate the one or more of the plurality of paths based on a band select signal received by the DRx controller F702 (eg, from a communication controller). The DRx controller F702 may route the paths by, for example, enabling or disabling the Activate amplifiers F314a to F314d, control the multiplexers F311, F712 or with other procedure as described above.

In order to make better use of the plurality of transmission lines F735a to F735b, the DRx controller F702 may drive the output multiplexer F712 based on the band selection signal such that each of the propagating signals along the paths is applied to a selected one of the transmission lines F735a to F735b (or the transmission lines F735a to F735b associated output multiplexer outputs).

In some implementations, if the band select signal indicates that the received signal has a single frequency band, the DRx controller F702 may drive the output multiplexer F712 to route a signal propagating along a corresponding path to a standard transmission line. The standard transmission line may be the same for all paths (and corresponding frequency bands), for example, if one of the transmission lines F735a-F735b is shorter, has less noise, or is otherwise preferred. For different paths, the standard transmission lines may be different. For example, paths associated with low frequency bands may be forwarded to the first transmission line F735a and high frequency bands associated paths to the second transmission line F735b.

Therefore, upon receiving a band select signal indicating that one or more RF signals received at the input multiplexer F311 have a single frequency band, the DRx controller F702 may be configured to drive the output multiplexer F712 to receive a signal received at an output multiplexer input , the individual frequency band assigned and amplified RF signal is routed to a standard output multiplexer output. As noted above, the standard output multiplexer outputs may differ for different individual frequency bands or be the same for all frequency bands.

In some implementations, if the band select signal indicates that the received signal has two frequency bands, the DRx controller F702 may drive the output multiplexer F712 such that a signal propagating along a path associated with the first frequency band is coupled to the first transmission line F735a and along one of the first transmission lines second frequency band associated path propagating signal to the second transmission line F735b is passed. As a result, the signals propagating along the respective paths can be fed to different transmission lines, even if both frequency bands are high-frequency (or low-frequency) frequency bands. Similarly, in the case of three or more transmission lines, each of three or more frequency bands may be forwarded to another transmission line.

Therefore, upon receipt of a band select signal indicating that the one or more RF signals received at the input multiplexer F311 have a first frequency band and a second frequency band, the DRx controller F702 may be configured to drive the output multiplexer F712 such that in that an RF signal, which is received at an output multiplexer input and assigned to the first frequency band, is routed to a first output multiplexer output and an RF signal assigned to the second frequency band and amplified at an output multiplexer input to a second output multiplexer output. As noted above, both the first frequency band and the second frequency band may be high frequency bands or low frequency bands.

In some implementations, if the band select signal indicates that the received signal has three frequency bands, the DRx controller F702 may drive the output multiplexer F712 to combine two signals propagating along two two frequency bands and pass them to one of the transmission lines, and passing a signal propagating along a path associated with the third frequency band to the other of the transmission lines. In some implementations, the DRx controller F702 may drive the output multiplexer F712 to combine those two of the three frequency bands that are closest together (eg, two low frequency or two high frequency bands). Such embodiments may simplify the impedance matching at the output of DRx module F710 or the input of the downstream module. In some implementations, the DRx controller F702 may drive the output multiplexer F712 to combine those two of the three frequency bands that are furthest apart. Such variants can simplify the separation of the frequency bands in the downstream module.

Therefore, upon receipt of a band select signal indicating that the one or more RF signals received at the input multiplexer F311 have a first frequency band, a second frequency band, and a third frequency band, the DRx controller F702 may be adapted to the output multiplexer To drive F712 to combine (a) an RF signal received at an output multiplexer input and associated with the first frequency band and an RF signal associated with the second frequency band and received at an output multiplexer input to produce a combined signal; (b) passing the combined signal to a first output multiplexer output, and (c) passing an RF signal associated with the third frequency band received at an output multiplexer input to a second output multiplexer output. As noted above, the first frequency band and the second frequency band may be those of the three frequency bands that are closest to or farthest from each other.

In some implementations, if the band select signal indicates that the received signal has four frequency bands, the DRx controller F702 may drive the output multiplexer F712 to combine two signals propagating along two two frequency bands into a first combined signal and the first combined signal is routed to one of the transmission lines and that two of the signals propagating along two paths assigned to the two other frequency bands are combined into a second combined signal and the second combined signal is routed to the other of the transmission lines. In some implementations, the DRx controller F702 may drive the output multiplexer F712 to combine three signals propagating along three paths associated with three frequency bands into a combined signal and pass the combined signal to one of the transmission lines, and one along the fourth Frequency band associated path propagating signal is passed to the other of the transmission lines. Such an embodiment may be advantageous when three of the frequency bands are close together (eg, when the three frequency bands are low frequency bands) and the fourth frequency band is far away (eg, a high frequency band).

Generally speaking, if the band select signal indicates that the received signal has more frequency bands than there are transmission lines, the DRx controller F702 may drive the output multiplexer F712 to propagate two or more of the paths associated with two or more of the two or more of the frequency bands Signals are combined into a combined signal and the combined signal is routed to one of the transmission lines. The DRx controller F702 may drive the output multiplexer F712 to combine frequency bands that are closest together or farthest from each other.

That is, a signal propagating along one of the paths may be routed through the output multiplexer F712 to another of the transmission lines in response to other signals propagating along other paths. For example, a signal propagating along a third path through the third amplifier F314c may be forwarded to the second transmission line F735b if the third path is the only active path and forwarded to the first transmission line F735a if the fourth path (which passes through the fourth amplifier F314d) is also active (and is passed to the second transmission line F735b).

Therefore, the DRx controller F702 may be configured, upon receipt of a first band select signal, to drive the output multiplexer F712 to pass an RF signal received at an output multiplexer input to a first output multiplexer output, and upon receipt of a second band select signal, output multiplexer F712 to drive such that an RF signal received at the output multiplexer input is passed to a second output multiplexer output.

Thus, the DRx module F710 constitutes a receiving system having a plurality of amplifiers F314a to F314d, each of the plurality of amplifiers F314a to F314d being arranged along an associated one of a plurality of paths between an input of the receiving system (eg, the one with the antenna 140 coupled input of DRx module F710 and / or additional with the antenna 140 coupled inputs of the DRx module F710) and an output of the receiving system (eg the outputs of the DRx module F710 coupled to the transmission lines F735a to F735b and / or additional outputs of the DRx module F710 coupled to other transmission lines). Each amplifier of the plurality of amplifiers F314a to F314d is configured to amplify an RF signal received at the amplifiers F314a to F314d.

The DRx module F710 further includes an input multiplexer F311 configured to receive one or more RF signals at one or more input multiplexer inputs and each of the one or more RF signals for propagation along a corresponding one of the plurality of paths at a location or multiple of a plurality of input multiplexer outputs. In some implementations, the DRx module F710 receives a single RF signal at a single input multiplexer input and is driven by the DRx controller F702 to output the single RF signal to one or more of the input multiplexer outputs associated with the frequency bands indicated in a band select signal , In some implementations, the DRx module F710 receives multiple RF signals (each associated with a different group of frequency bands indicated in the band select signal) at multiple input multiplexer inputs and is driven by the DRx controller F702 to drive the plurality of RF signals one or more of the input multiplexer outputs associated with the groups of frequency bands indicated in a band select signal is output. Generally speaking, the input multiplexer F311 therefore receives one or more RF signals, each associated with a respective frequency band, and is controlled by the DRx controller to route each RF signal along one or more paths corresponding to one or more of the RF signals associated with the plurality of frequency bands of the RF signals.

The DRx module F710 further includes an output multiplexer F712 configured to receive one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths at one or more corresponding output multiplexer inputs and each of the one or more amplified ones Output RF signals at a selected one of a plurality of output multiplexer outputs (each coupled to a corresponding one of a plurality of output transmission lines F735a-F735b).

The DRx module F710 further includes a DRx controller F702 configured to receive a band select signal and to control the input multiplexer and the output multiplexer based on the band select signal. As described above, the DRx controller F702 controls the input multiplexer to pass each of the one or more RF signals associated with one or more frequency bands along a corresponding one of the plurality of paths associated with one or more frequency bands of the RF signal. As also described above, the DRx controller F702 drives the output multiplexer to drive each of the one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths along one or more paths at a selected one of a plurality of channels Outputs output multiplexer outputs to better utilize the F735a to F735b transmission lines coupled to the DRx module F710.

In some embodiments, upon receiving a band select signal indicating that the received RF signals have multiple frequency bands, the DRx controller F702 may be configured to drive the output multiplexer F712 such that all of the signals propagating along the paths and associated with multiple frequency bands are combined to produce a combined signal and the combined signal is passed to one of the transmission lines. Such embodiments may be used when other transmission lines are unusable (eg, when they are damaged or non-existent in certain wireless communication configurations) upon receiving a control signal received by the DRx controller F702 (e.g. from a communication control device) indicating that one of the transmission lines is unusable.

Upon receipt of a band select signal indicating that one or more RF signals received at the input multiplexer F311 have multiple frequency bands and a control signal indicating that one of the transmission lines is unusable, the DRx controller F702 may therefore be configured to: to drive the output multiplexer F712 such that a plurality of amplified RF signals received at a plurality of output multiplexer inputs associated with the plurality of frequency bands are combined into a combined signal and the combined signal is passed to an output multiplexer output.

29 shows an embodiment of an output multiplexer F812 that can be used for dynamic forwarding. The output multiplexer F812 includes a plurality of inputs F801a to F801d, which may be coupled to corresponding amplifiers arranged along a plurality of paths associated with a plurality of frequency bands. The output multiplexer F812 includes a plurality of outputs F802a to F802b, which may be coupled to a corresponding plurality of transmission lines. Each of the outputs F802a to F802b is connected to an output of a corresponding one Combiner F820a coupled to F820b. Each of the inputs F801a-F801d is coupled to an input of each of the combiners F820a-F820b via a set of single-pole switches F830 (SPST switches). The switches F830 can be controlled via a control bus F803, which can be coupled to a DRx control device.

30 shows a further embodiment of an output multiplexer F912, which can be used for dynamic forwarding. The output multiplexer F912 includes a plurality of inputs F901a-F901d that may be coupled to corresponding amplifiers arranged along a plurality of paths associated with a plurality of frequency bands. The output multiplexer F912 includes a plurality of outputs F902a to F902b, which may be coupled to a corresponding plurality of transmission lines. Each of the outputs F902a-F902b is coupled to an output of a corresponding combiner F920a-F920b. The first of the inputs F901a is coupled to an input of the first combiner F920a, and the fourth of the inputs F901d is coupled to an input of the second combiner F920b. The second input F901b is coupled to a first single pole, multiple changeover switch F930a (SPMT switch) having outputs coupled to each of the combiners F920a-F920b. Likewise, the third input F901c is coupled to a second single pole, multi-switch F930b (SPMT switch) which has outputs coupled to each of the combiners F920a-F920b. The switches F930a to F930b are controllable via a control bus F903, which may be coupled to a DRx control device.

Unlike the output multiplexer F812 the 29 allows the output multiplexer F912 the 30 not that each of the inputs F901a to F901d is routed to any of the outputs F902a to F902b. Instead, the first input F901a is hardwired to the first output F902a, and the fourth input F901d is hardwired to the second output F902b. Such an embodiment may reduce the size of the control bus F903 or simplify the control logic of the DRx controller coupled to the control bus F903.

Both the output multiplexer F812 the 29 as well as the output multiplexer F912 the 30 include a first combiner F820a, F920a coupled to a first output multiplexer output F802a, F902a, and a second combiner F820b, F920b coupled to a second output multiplexer output F802b, F902b. In addition, both the output multiplexer F812 include the 29 as well as the output multiplexer F912 the 30 an output multiplexer input F801b, F901b coupled to both the first combiner F820a, F920a and the second combiner F820b, F920b via one or more switches (controlled by the DRx controller). For the output multiplexer F812 the 29 For example, the output multiplexer input F801b is coupled to the first combiner F820a and the second combiner F820b via two SPST switches. For the output multiplexer F912 the 29 For example, the output multiplexer input F901b is coupled to the first combiner F920a and the second combiner F920b via a single SPMT switch.

31 shows that in some embodiments, a diversity receiver configuration F1000 may include multiple antennas F1040a-F1040b. Even though 31 an embodiment with a transmission line 135 and illustrating two antennas F1040a-F1040b, aspects described herein may be implemented in embodiments having two or more transmission lines and / or more than two antennas.

The configuration for a diversity receiver F1000 includes a DRx module F1010 coupled to a first antenna F1040a and a second antenna F1040b. The DRx module F1010 includes a number of paths between an input of the DRx module F1010 (eg, the first input coupled to the first antenna F1040a or the second input coupled to the second antenna F1040b) and an output of the DRx module (eg the output coupled to the transmission line). In some implementations, the DRx module F1010 includes one or more bypass lines (not shown) between the inputs and the output, which are activated by one or more bypass switches controlled by the DRx controller F1002.

The DRx module F1010 includes a number of multiplexer paths including an input multiplexor F1011 and an output multiplexer F312. The multiplexer paths comprise a number of module-side paths (shown) comprising the input multiplexer F1011, a bandpass filter F313a-F313d, an amplifier F314a-F314d, and the output multiplexer F312. The multiplexer paths include one or more of the module-external paths (not shown) as described above. Like also above As described, amplifiers F314a to F314d may be variable gain amplifiers or variable current amplifiers.

The DRx controller F1002 is configured to selectively activate one or more of the plurality of paths. In some implementations, the DRx controller F1002 may be configured to selectively enable one or more of the plurality of paths based on a band select signal received by the DRx controller F1002 (eg, from a communication controller). The DRx controller F1002 may selectively enable the paths by, for example, enabling or disabling the amplifiers F314a-F314d, by controlling the multiplexers F1011, F312, or using other approaches.

In various diversity receiver configurations, antennas F1040a-F1040b can support different frequency bands. For example, a configuration for a diversity receiver could include a first antenna F1040a supporting low frequency and medium frequency bands, and a second antenna F1040b supporting high frequency bands. Another configuration for a diversity receiver could include a first antenna F1040a supporting low frequency bands and a second antenna F1040b supporting medium frequency and high frequency bands. Yet another configuration for a diversity receiver could include a first broadband antenna F1040a that supports low frequency, medium frequency and high frequency bands without providing a second antenna F1040b.

The same DRx module F1010 may be employed in all of these diversity receiver configurations by having the input multiplexer F1011 be DRX-controlled by the DRx controller F1002 (eg, received from a communication controller or in a non-volatile memory or other hard-wired memory Configuration stored and read) antenna configuration signal is driven.

If the antenna configuration signal indicates that the Diversity Receiver configuration F1000 has only a single antenna F1040a, in some implementations the DRx controller F1002 may drive the input multiplexer such that the signal received at the single antenna F1040a is applied to all paths (or all of them as shown in FIG a band select signal indicated active paths) is passed.

Upon receipt of an antenna configuration signal indicating that the diversity receiver configuration has only a single antenna, the DRx controller may 1002 in some embodiments, driving the input multiplexer to forward an RF signal received at a single input multiplexer input to all of the plurality of input multiplexer outputs associated with one or more of the frequency bands of the RF signal.

If the antenna configuration signal indicates that the diversity receiver configuration F1000 has a first antenna F1040a supporting low frequency bands and a second antenna F1040b supporting medium frequency and high frequency bands, the DRx controller F1002 may, in some embodiments, drive the input multiplexer F1011 such that the signal received at the first antenna F1040a is applied to a first path (with the first amplifier F314a) and the signal received at the second antenna F1040b to the second path (with the second amplifier F314b), the third path (with the third amplifier F314c ) and the fourth path (with the fourth amplifier F314d), or at least those of those paths the band select signal indicates are active.

If the antenna configuration signal indicates that the diversity receiver configuration F1000 includes a first antenna F1040a supporting low and medium frequency bands and a second antenna F1040b supporting medium to higher frequency and high frequency bands, the DRx controller F1002 in FIG In some embodiments, the input multiplexer F1011 drive such that the signal received at the first antenna F1040a to the first path and the second path and the second Antenna F1040b is passed to the third path and the fourth path, or at least to those of these paths, of which the band selection signal indicates that they are active.

If the antenna configuration signal indicates that the diversity receiver configuration F1000 comprises a first antenna F1040a supporting low frequency and medium frequency bands and a second antenna F1040b supporting high frequency bands, the DRx controller F1002 may, in some embodiments, drive the input multiplexer F1011 such that in that the signal received at the first antenna F1040a is directed to the first path, the second path and the third path and the signal received at the second antenna F1040b is directed to the fourth path, or at least to those those paths indicating the band selection signal, that they are active.

Therefore, a signal propagating along a particular path (eg, the third path) may be initiated by the input multiplexer F1011 from different ones of the input multiplexer inputs (coupled to the antennas F1040a-F1040b), depending on the configuration of the diversity receiver (and FIG specified by the antenna configuration signal).

Therefore, in some implementations, upon receiving a first antenna configuration signal, the DRx controller F1002 may drive the input multiplexer F1011 to route an RF signal received at a first input multiplexer input to an input multiplexer output and upon receiving a second antenna configuration signal, the input multiplexer F1011 drive an RF signal received at a second input multiplexer input to the input multiplexer output.

Generally speaking, the DRx controller F1002 may be configured to drive the input multiplexer F1011 to forward received signals, each having one or more frequency bands, along the paths associated with the one or more frequency bands. In addition, in some embodiments, the input multiplexer functions as a band divider which outputs each of the one or more frequency bands along the paths associated with the one or more frequency bands. For example, the input multiplexer F1011 and the bandpass filters F313a to F313d together may constitute such a band divider. In other embodiments (described below), bandpass filters F313a-F313d and input multiplexer F1011 may be integrated in other ways to implement a band divider.

32 shows an embodiment of an input multiplexer F1111, which can be used for dynamic forwarding. The input multiplexer F1111 comprises a plurality of inputs F1101a to F1101b, which may be coupled to one or more antennas. The input multiplexer F1111 comprises a plurality of outputs F1102a to F1102d, which may be coupled to the amplifiers arranged along a plurality of paths associated with a respective plurality of frequency bands (eg, via bandpass filters). Each of the inputs F1101a-F1101b is coupled to each of the outputs F1102a-F1102d via a set of single pole turn-on switches 1130 (SPST switches). The switches F1130 are controllable via a control bus F1103, which can be coupled to a DRx control device.

33 shows a further embodiment of an input multiplexer F1211, which can be used for dynamic forwarding. The input multiplexer F1211 comprises a plurality of inputs F1201a to F1201b, which may be coupled to one or more antennas. The input multiplexer F1211 includes a plurality of outputs F1202a to F1202d that may be coupled to the amplifiers arranged along a plurality of paths associated with a respective plurality of frequency bands (eg, via bandpass filters). The first input F1201a is coupled to the first output F1202a, a first multipole power switch F1230a (MPST switch) and a second MPST switch F1230b. The second input F1201b is coupled to the first MPST switch F1230a, the second MPST switch F1230b, and the fourth output F1202d. The switches F1230a to F1230b are controllable via a control bus F1203, which may be coupled to a DRx control device.

Unlike the input multiplexer F1111 the 32 allows the input multiplexer F1211 the 33 not that each of the inputs F1201a to F1201b is routed to any of the outputs F1202a to F1202d. Instead, the first input F1201a is hardwired to the first output F1202a and the second input F1201b is hardwired to the fourth output F1202d. Such an embodiment may reduce the size of the control bus F1203 or simplify the control logic of the DRx controller coupled to the control bus F1203. Nonetheless, based on the antenna configuration signal, the DRx controller may drive switches F1230a-F1230b such that the signal from each of inputs F1201a-F1201b may be routed to second output F1202b and / or third output F1202c.

Both the input multiplexer F1111 the 32 as well as input multiplexer F1211 the 33 multi-pole multi-throw (MPMT) In some implementations, the F1111 and F1211 input multiplexers include filters or matching components to reduce feed-in losses. Such filters or matching components may be used together with other components on a DRx module are planned (for example with the bandpass filters F313a to F313d the 31 ). For example, the input multiplexer and bandpass filters may be integrated in a common component to reduce the total number of components. In another example, the input multiplexer may be designed for a specific output impedance (eg, other than 50 ohms) and the bandpass filters may be designed to match that output impedance.

34 to 39 show various embodiments of a DRx module with dynamic input and / or output signal. 34 shows that in some embodiments, a DRx module F1310 may have a single input and two outputs. The DRx module F1310 includes as a band divider a high-low diplexer F1311, which splits an input signal into low frequency bands and medium and high frequency bands, a two-pole eight-fold switch F1312 (implemented by a first single-pole triple switch and a second single-pole five-fold switch) and various filters and band divider multiplexers , As described above, the high-low diplexer F1311 may be co-designed with the various filters and band divider multiplexers.

35 shows that in some embodiments, a DRx module F1320 may have a single input and a single output. The DRx module F1320 includes as a band divider a high-low-diplexer F1321, which divides an input signal in low, medium and high frequency bands, a two-pole eight-fold switch F1322 (implemented by a first single-pole triple switch and a second single-pole fivefold switch) and various filters and Bandteilerdiplexer. As described above, the F1321 high-low diplexer can be co-designed with the various filters and band divider multiplexers. The DRx module F1320 comprises as output multiplexer a high-low combiner F1323 which filters and combines the signals received at two inputs and outputs the combined signal.

36 shows that in some embodiments, a DRx module F1330 may have two inputs and three outputs. The DRx module F1330 includes as a band divider a high-low diplexer F1331, which splits an input signal into low, medium and high frequency bands, a three-pole eight-fold switch F1332 (implemented by a first single pole triple switch, a second double pole double switch and a third single pole triple switch ) and various filters and band divider multiplexers. As described above, the high-low diplexer F1331 can be co-designed with the various filters and band divider multiplexers.

37 shows that in some embodiments, a DRx module F1340 may have two inputs and two outputs. The DRx module F1340 includes as a band divider a high-low diplexer F1341, which splits an input signal into low, medium and high frequency bands, a three-pole eight-fold switch F1342 (implemented by a first single pole triple switch, a second double pole double switch and a third single pole triple switch ) and various filters and band divider multiplexers. As described above, the F1341 high-low diplexer can be co-designed with the various filters and band divider multiplexers. The DRx module F1320 comprises as output multiplexer a high-low combiner F1343 which filters and combines the signals received at two inputs and outputs the combined signal.

38 FIG. 12 shows that, in some embodiments, a DRx module F1350 may include a multi-pole, multi-switch F1352. The DRx module F1350 includes as a band divider a high-low-diplexer F1351, which divides an input signal into low, medium and high frequency bands, a three-pole eight-way switch F1352 and various filters and band divider multiplexers. As described above, the high-low diplexer F1351 can be co-designed with the various filters and band divider multiplexers. The three-pole eight-fold switch F1352 is implemented by a first one-pole triple switch and a second two-pole five-way switch to signal a signal received at the first input terminal to one of the five output poles and to signal a signal received at the second input terminal to one of the three output poles.

39 FIG. 12 shows that, in some embodiments, a DRx module F1360 may include an input selector F1361 and a multi-pole, multi-switch F1362. The DRx module F1360 includes as a band divider an input selector F1361 (which acts as a two-pole quadruple switch and as in 32 and 33 built-in), a four-pole F1362 ten-way switch and various filters and band divider multiplexers. As described above, the input selector 1361 and the four-pole ten-way switch F1362 may be shared together with the various filters and band divisional multiplexers. The input selector F1361 and the switch F1362 can act together as a bipolar ten-way switch. The DRx module F1360 includes as an output multiplexer an output selector F1363, which can carry the inputs to a selected one of the outputs (optionally with combination of signals). The output selector F1363 can be used considering the in 29 and 30 illustrated aspects.

40 shows an embodiment of a process flow diagram of a method for processing an RF signal. In some implementations (and as exemplified below), the method F1400 is performed by a controller, such as the DRx controller F702 of FIG 28 or the communication control device 120 of the 3 , In some implementations, method F1400 is performed by processing logic including hardware, software, firmware, or a combination thereof. In some implementations, method F1400 is performed by a processor executing process instructions stored on a non-transitory computer-readable medium (eg, a memory). Briefly, method F1400 includes receiving a band select signal and passing a received RF signal along one or more gain controlled paths to process the received RF signal.

The method F1400 begins at block F1410 with the receipt of a band select signal by the controller. The controller may receive the band select signal from another controller or mobile base station or other external source. The band select signal may designate one or more frequency bands over which a wireless device is to transmit and receive RF signals. In some embodiments, the band selection signal identifies a set of frequency bands for carrier clustering communication.

At block F1420, the controller determines an output port for each frequency band designated by the band select signal. In some embodiments, the band select signal designates a single frequency band and the controller determines a standard output port for the single frequency band. In some embodiments, the band select signal designates two frequency bands, and the controller determines different output terminals for the two frequency bands. In some implementations, the band select signal designates more frequency bands than there are usable output terminals, and the controller determines that two or more frequency bands are merged (and thus determines the same output port for two or more frequency bands). The controller may determine that the closest frequency bands or the most distant frequency bands are merged.

At block F1430, the controller drives an output multiplexer to pass a signal for each frequency band to the particular output port. The controller may control the output multiplexer by opening or closing one or more SPST switches, by setting the switching position of one or more SPMT switches, by transmitting a multiplexer control signal, or by other approaches.

Among other things, the example F explained above with regard to flexible band signal routing can be summarized as follows.

In accordance with some embodiments, the present disclosure relates to a receiving system having a plurality of amplifiers. Each amplifier of the plurality of amplifiers is disposed along an associated one of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a radio frequency (RF) signal received at the amplifier. The receiving system further includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and each of the one or more RF signals for propagation along a corresponding one of the plurality of paths at one or more of a plurality output from input multiplexer outputs. The receiving system further includes an output multiplexer configured to receive one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths at one or more corresponding output multiplexer inputs and each of the one or more amplified RF signals output a selected output of a plurality of output multiplexer outputs. The receiving system further comprises a controller adapted to receive a band selection signal and to control the input multiplexer and the output multiplexer on the basis of the band selection signal.

In some embodiments, upon receipt of a band select signal indicating that the one or more RF signals have a single frequency band, the controller may be configured to drive the output multiplexer such that one received at an output multiplexer input is associated with the single frequency band and amplified RF signal is routed to a standard output multiplexer output. In some embodiments, the standard output multiplexer outputs may differ for different individual frequency bands.

In some embodiments, upon receipt of a band select signal indicating that the one or more RF signals have a first frequency band and a second frequency band, the controller may be configured to drive the output multiplexer to receive a signal received at an output multiplexer input. the first frequency band associated and amplified RF signal to a first output multiplexer output and one received at an output multiplexer input, the second frequency band associated and amplified RF signal is passed to a second output multiplexer output. In some embodiments, both the first frequency band and the second frequency band may be high frequency bands or low frequency bands.

In some embodiments, upon receipt of a band select signal indicating that the one or more RF signals have a first frequency band, a second frequency band, and a third frequency band, the controller may be configured to drive the output multiplexer to power on an RF signal received and amplified at an output multiplexer input, associated with the first frequency band, and combined at an output multiplexer input, associated with the second frequency band and amplified RF signal to produce a combined signal, the combined signal is routed to a first output multiplexer output, and on an output multiplexer input received, the third frequency band associated and amplified RF signal is passed to a second output multiplexer output. In some embodiments, the first frequency band and the second frequency band may be those of the first, second, and third frequency bands that are closest together. In some embodiments, the first frequency band and the second frequency band may be those of the first, second, and third frequency bands that are farthest apart.

In some embodiments, the controller may be configured to receive the band select signal indicating that the one or more RF signals have multiple frequency bands and receive a controller signal indicating that a transmission line is unusable Driving output multiplexer such that a plurality of combined and amplified RF signals received at multiple output multiplexer inputs are combined to produce a combined signal and the combined signal is routed to an output multiplexer output.

In some embodiments, upon receiving a first band select signal, the controller may be configured to drive the output multiplexer to pass an RF signal received and amplified at an output multiplexer input to a first output multiplexer output and to receive a second band select signal be to drive the output multiplexer such that a received and amplified at an output multiplexer input RF signal is passed to a second output multiplexer output.

In some embodiments, the output multiplexer may include a first combiner coupled to a first output multiplexer output and a second combiner coupled to a second output multiplexer output. In some embodiments, an output multiplexer input may be coupled to the first combiner and the second combiner via one or more switches. In some embodiments, the controller may control the output multiplexer by controlling the one or more switches. In some embodiments, the one or more switches may include two single pole power switches (SPST switches). In some embodiments, the one or more switches may include a single-pole multiple change-over switch (SPMT switch). In some embodiments, the receiving system may further include a plurality of transmission lines coupled to respective ones of the plurality of output multiplexer outputs.

In some embodiments, the present disclosure relates to a radio frequency module, RF module, having a package substrate configured to receive a plurality of components. The RF module further includes a receiving system implemented on the package substrate. The receiving system includes a plurality of amplifiers. Each amplifier is the multiplicity of amplifiers arranged along an associated path of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a radio frequency (RF) signal received at the amplifier. The receiving system further includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and each of the one or more RF signals for propagation along a corresponding one of the plurality of paths at one or more of a plurality output from input multiplexer outputs. The receiving system further includes an output multiplexer configured to receive one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths at one or more corresponding output multiplexer inputs and each of the one or more amplified RF signals output a selected output of a plurality of output multiplexer outputs. The receiving system further comprises a controller adapted to receive a band selection signal and to control the input multiplexer and the output multiplexer on the basis of the band selection signal.

In some embodiments, the RF module may be a diversity receiver front end module, FEM.

In accordance with some teachings, the present disclosure relates to a wireless device that includes a first antenna configured to receive a first radio frequency (RF) signal. The wireless device further includes a first front end module, FEM, in communication with the first antenna. The first FEM includes a package substrate configured to receive a plurality of components. The first FEM further includes a receiving system implemented on the package substrate. The receiving system includes a plurality of amplifiers. Each amplifier of the plurality of amplifiers is disposed along an associated one of a plurality of paths between an input of the receiving system and an output of the receiving system and configured to amplify a radio frequency (RF) signal received at the amplifier. The receiving system further includes an input multiplexer configured to receive one or more RF signals at one or more input multiplexer inputs and each of the one or more RF signals for propagation along a corresponding one of the plurality of paths at one or more of a plurality output from input multiplexer outputs. The receiving system further includes an output multiplexer configured to receive one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths at one or more corresponding output multiplexer inputs and each of the one or more amplified RF signals output a selected output of a plurality of output multiplexer outputs. The receiving system further comprises a controller adapted to receive a band selection signal and to control the input multiplexer and the output multiplexer on the basis of the band selection signal. The wireless device further includes a communications module configured to receive a processed version of the first RF signal from the output via a plurality of transmission lines coupled to respective ones of the plurality of output multiplexer outputs, and data bits based on the processed version of the first To generate RF signal.

In some embodiments, the wireless device further includes a second antenna configured to receive a second RF signal and a second FEM in communication with the second antenna. The communication module is configured to receive a processed version of the second RF signal from the output of the second FEM and generate data bits based on the processed version of the second RF signal.

Examples of combinations of features

41A and 41B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein and one or more features of Example B described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

42A and 42B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein and one or more features of Example C described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 17 to 19 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

43A and 43B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein and one or more features of Example D described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

44A and 44B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein and one or more features of Example C described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 . 17 to 19 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

45A and 45B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein and one or more features of Example D described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

46A and 46B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example C described herein and one or more features of Example D described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

47A and 47B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example C described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

48A and 48B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example D described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

49A and 49B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example D described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

50A and 50B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example D described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

51A and 51B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example D described herein can have. Additional details in the Reference to Example A is described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

52A and 52B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example E described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

53A and 53B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example E described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

54A and 54B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example D described herein, and one or more features of Example E described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

55A and 55B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example E described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

54A and 54B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of Example E described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

57A and 57B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of example C described herein, one or more features of example D described herein, and one or more features of example E described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

58A and 58B show that a configuration for a diversity receiver in some embodiments may include one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of Example E described herein can have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

59A and 59B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of Example E described herein can have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details with reference to example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

60A and 60B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example E described herein can have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

61A and 61B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of Example E described herein can have. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

62A and 62B show that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein and one or more features of Example E described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

63 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example B described herein, and one or more features of Example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

64 FIG. 12 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example C described herein, and one or more features of Example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

65 FIG. 12 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example A described herein, one or more features of example D described herein, and one or more features of example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

66 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example B described herein, one or more features of example C described herein, and one or more features of example F described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

67 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example B described herein, one or more features of example D described herein, and one or more features of example F described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

68 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example C described herein, one or more features of example D described herein, and one or more features of example F described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

69 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

70 FIG. 12 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example D described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

71 Figure 4 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

72 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, and one or more features of the example described herein F may have. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

73 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein , and one or more features of example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

74 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

75 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

76 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example D described herein, one or more features of Example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

77 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

78 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example B described herein, one or more features of Example D described herein, one or more features of Example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

79 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of example C described herein, one or more features of example D described herein, one or more features of example E described herein, and one or more features of the example described herein F may have. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

80 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example E described herein , and one or more features of example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

81 1 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example D described herein, one or more features of Example E described herein , and one or more features of example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , additional Details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

82 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example C described herein, one or more features of Example D described herein, one or more features of Example E described herein , and one or more features of example F described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

83 1 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein, one or more features of Example E described herein , and one or more features of example F described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

84 FIG. 3 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein, one or more features of Example B described herein, one or more features of Example C described herein, one or more features of Example D described herein , one or more features of Example E described herein, and one or more features of Example F described herein. Additional details with respect to Example A will be described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

85A and 85B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein and one or more features of Example E described herein. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

86A and 86B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein and one or more features of Example E described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

87A and 87B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of example C described herein and one or more features of example E described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

88A and 88B show that a configuration for a diversity receiver, in some embodiments, may include one or more features of example D described herein and one or more features of example E described herein. Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

89 FIG. 12 shows that a configuration for a diversity receiver, in some embodiments, includes one or more features of Example A described herein and one or more features of the present invention Example F may have. Additional details relating to Example A are described herein with reference to various figures, inter alia 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

90 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein and one or more features of Example F described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

91 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example C described herein and one or more features of example F described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

92 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example D described herein and one or more features of example F described herein. Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

93 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example E described herein and one or more features of example F described herein. Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

94 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example A described herein, one or more features of Example E described herein, and one or more features of Example F described herein. Additional details with respect to Example A are described herein with reference to various figures, amongst other things 1 to 5 . 6 to 10 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

95 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of Example B described herein, one or more features of Example E described herein, and one or more features of Example F described herein. Additional details relating to Example B are described herein with reference to various figures, inter alia 1 to 5 . 11 to 14 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

96 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example C described herein, one or more features of example E described herein, and one or more features of example F described herein. Additional details relating to Example C are described herein with reference to various figures, inter alia 1 to 5 . 15 . 16 . 17 to 19 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

96 shows that a configuration for a diversity receiver, in some embodiments, may include one or more features of example D described herein, one or more features of example E described herein, and one or more features of example F described herein. Additional details relating to Example D are described herein with reference to various figures, inter alia 1 to 5 . 20 to 23 and 98 to 100 , Additional details relating to Example E are described herein with reference to various figures, inter alia 1 to 5 . 24 to 26 and 98 to 100 , Additional details relating to Example F are described herein with reference to various figures, inter alia 1 to 5 . 27 to 40 and 98 to 100 ,

In some embodiments, the above-identified combination of features may provide some or all of the benefits and / or functions associated with each of the examples, all of the examples in combination, or any combination of combinations.

Examples of products and architectures

98 Figure 12 shows that, in some embodiments, some or all of the diversity receiver configurations, including some or all of the configurations of diversity receivers with feature combinations (e.g. 41 to 97 ), can be implemented completely or partially in one module. Such a module can be, for example, a front-end module (FEM). Such a module may, for example, be a diversity receiver front-end module (DRx FEM).

In the example of 98 can be a module 1000 a housing substrate 1002 and a number of on such a package substrate 1002 arranged components include. For example, a control device 1004 (which may include an integrated circuit for front end power management [FE-PMIC]), a combination arrangement 1006 with one or more of the features described herein, an assembly 1010 of multiplexers and a filter bank 1008 (which may include one or more bandpass filters) on the package substrate 1002 be arranged and / or on the housing substrate 1002 be implemented and / or within the housing substrate 1002 be implemented. Other components such as a number of SMT devices 1012 can also be on the case substrate 1002 be arranged. Although all of the different components as side by side over the case substrate 1002 distributed, it should be clear that some components can be implemented over other components.

99 Figure 12 shows that, in some embodiments, some or all of the diversity receiver configurations, including some or all of the configurations of diversity receivers with feature combinations (e.g. 41 to 97 ), can be implemented completely or partially in an architecture. For example, such an architecture may include one or more modules and may be configured to provide functions of a front-end, such as a diversity receiver front-end (DRx).

In the example of 99 can be an architecture 1100 a control device 1104 (which may include an integrated circuit for front end power management [FE-PMIC]), a combination arrangement 1106 with one or more of the features described herein, an assembly 1110 of multiplexers and a filter bank 1108 (which may include one or more bandpass filters). Other components, such as a number of surface mounted components (SMT) 1112 , may also be in architecture 1100 be implemented.

In some embodiments, a device and / or circuit having one or more features described herein may be included in an electronic RF device, such as a wireless device. Such a device and / or circuit may be incorporated directly into the wireless device, either in a modular form as described herein, or in certain combinations thereof. In some embodiments, such a wireless device may include, for example, a mobile phone, a smartphone, a portable wireless device with or without a phone, a wireless tablet, or the like.

100 shows an exemplary wireless device 1400 with one or more advantageous features described herein. In the context of one or more modules having one or more of the features described herein, such modules may generally be referred to as a dashed box 1401 (which can be implemented, for example, as a front-end module) as a diversity RF module 1411 (which can be implemented, for example, as a downstream module) and as a diversity receiver module (DRx module) 1000 (which can be implemented as a front-end module, for example).

With reference to 100 can power amplifiers (PAs) 1420 their respective RF signals from a transceiver 1410 which can be configured and operated to generate RF signals for amplification and transmission and to process received signals. The transceiver 1410 is considered having a baseband subsystem 1408 represented interactively, which is adapted to a suitable for a user conversion of data and / or speech signals in for the transceiver 1410 usable RF signals and vice versa. The transceiver 1410 can also use an energy management component 1406 be connected, which is designed for the operation of the wireless device 1400 to divide necessary power. Such power management may also include the operation of the baseband subsystem 1408 and the modules 1401 . 1411 and 1000 Taxes.

The baseband subsystem 1408 is considered having a user interface 1402 shown connected to allow various inputs and outputs of language and / or data of and for the user. The baseband subsystem 1408 can also use a memory 1404 connected, which is adapted to store data and / or commands that allow operation of the wireless device, and / or to provide an information storage for the user.

In the exemplary wireless device 1400 become the outputs of the PAs 1420 As shown (via respective matching circuits 1422 ) to their associated duplexers 1424 adapted and forwarded. Such amplified and filtered signals can be sent to a primary antenna 1416 via an antenna switch 1414 forwarded for transmission. In some embodiments, the duplexers 1424 enable a transmitting and receiving operation, which by using a common antenna (eg. a primary antenna 1416 ) can be performed simultaneously. In 100 For example, as shown, the received signals are forwarded to "Rx" paths, which may, for example, comprise a low noise amplifier (LNA).

The wireless device also includes a diversity antenna 1426 and a diversity receiver module 1000 which signals from the diversity antenna 1426 receives. The diversity receiver module 1000 processes the received signals and transmits the processed signals over a transmission line 1435 to a diversity RF module 1411 which processes the signals before sending the signals to the transceiver 1410 feeds.

In some embodiments, Example A described herein may be considered to include a first feature of a radio frequency (RF) receiving system, as well as related apparatus and methods. Similarly, Example B described herein can be considered to comprise a second feature of a radio frequency (RF) receiving system, as well as related apparatus and methods. Similarly, example C described herein may be considered to comprise a third feature of a radio frequency (RF) receiving system, as well as related apparatus and methods. Similarly, the example D described herein may be considered as a fourth feature of a radio frequency (RF) receiving system, as well as related apparatus and methods. Similarly, the example E described herein can be considered to comprise a fifth feature of a radio frequency (RF) receiving system, as well as related apparatus and methods. Similarly, the example F described herein may be considered to comprise a sixth feature of a radio frequency (RF) receiving system, as well as related apparatus and methods.

One or more features of the present disclosure may be implemented in various cellular frequency bands as described herein. Examples of such tapes are listed in Table 1. It should be understood that at least some of these bands can be divided into subbands. Further, it should be understood that one or more features of the present disclosure may be implemented in frequency ranges that do not carry terms such as the examples in Table 1. Table 1 tape mode Tx frequency range (MHz) Rx frequency range (MHz) B1 FDD 1920-1980 2110-2170 B2 FDD 1850-1910 1930-1990 B3 FDD 1710 to 1785 1805 to 1880 B4 FDD 1710 to 1755 2110 to 2155 B5 FDD 824-849 869-894 B6 FDD 830-840 875-885 B7 FDD 2500-2570 2620-2690 B8 FDD 880-915 925-960 B9 FDD 1749.9 to 1784.9 1,844.9 to 1,879.9 B10 FDD 1710 to 1770 2110-2170 B11 FDD 1427.9 to 1447.9 1475.9 to 1495.9 B12 FDD 699-716 729-746 B13 FDD 777-787 746-756 B14 FDD 788-798 758-768 B15 FDD 1900-1920 2600-2620 B16 FDD 2010-2025 2585-2600 B17 FDD 704-716 734-746 B18 FDD 815-830 860-875 B19 FDD 830-845 875-890 B20 FDD 832-862 791-821 B21 FDD from 1447.9 to 1462.9 1495.9 to 1510.9 B22 FDD 3410 to 3490 3510-3590 B23 FDD from 2000 to 2020 2180 to 2200 B24 FDD from 1626.5 to 1660.5 1525-1559 B25 FDD 1850 to 1915 1930-1995 B26 FDD 814-849 859-894 B27 FDD 807-824 852-869 B28 FDD 703-748 758-803 B29 FDD N / A 716-728 B30 FDD 2305-2315 2350-2360 B31 FDD 452.5 to 457.5 462.5 to 467.5 B33 TDD 1900-1920 1900-1920 B34 TDD 2010-2025 2010-2025 B35 TDD 1850-1910 1850-1910 B36 TDD 1930-1990 1930-1990 B37 TDD 1910 to 1930 1910 to 1930 B38 TDD 2570-2620 2570-2620 B39 TDD 1880-1920 1880-1920 B40 TDD 2300-2400 2300-2400 B41 TDD 2496-2690 2496-2690 B42 TDD 3400-3600 3400-3600 B43 TDD 3600-3800 3600-3800 B44 TDD 703-803 703-803

Unless the context clearly indicates otherwise, in the specification and claims, the words "comprising," "comprising," and the like are to be understood in the inclusive sense and not in the exclusive or exhaustive sense, that is, in the sense of "including, but not limited to this ". The word "coupled" as used generally herein refers to two or more elements that are either directly connected and connected using one or more intervening elements. In addition, the words "herein," "above," "below," and words of similar meaning, when used in this specification, are intended to refer to the description as a whole and not to specific parts of this description. If the context permits, words in the detailed description above in the singular or plural should also include the particular plural or singular. The word "or" in relation to a list of two or more items includes all of the following interpretation options: any items in the list, all items in the list, and any combination of items in the list.

The above detailed description of embodiments of the invention is not intended to be exhaustive or to limit the invention to the precise form disclosed above. While certain embodiments and examples of the invention have been described above for illustrative purposes, various equivalent modifications are possible within the scope of the invention, as will become apparent to those skilled in the relevant art. For example, while methods or blocks are illustrated in a particular order, alternative embodiments may perform processes or use a system having blocks in a different order, or with blocks removed, added, subdivided, combined and / or have been modified. Each of the processes or blocks can be implemented in a variety of different ways. Further, processes or blocks may be performed at the same time or at different times, even though these processes or blocks are sometimes represented as being performed in tandem.

The teachings of the invention set forth herein may be applied to other systems that do not necessarily conform to the systems described above. The elements and acts of the various embodiments described above may be combined to arrive at further embodiments.

While some embodiments of the invention have been described, these embodiments are merely exemplary in nature and are not intended to limit the disclosure content. In fact, the novel methods and systems described herein may be implemented in a variety of other ways; In addition, various omissions, substitutions, and alterations may be made in the nature of the methods and systems described herein without departing from the basic concept of the invention. The appended claims and their equivalents are intended to include such expressions and modifications as are embraced by the basic idea of the invention.

Claims (62)

A radio frequency (RF) receiving system comprising: a controller configured to selectively activate one or more paths of a plurality of paths between an input of the receiving system and an output of the receiving system; a plurality of amplifiers, each amplifier of the plurality of amplifiers being arranged along an associated one of the plurality of paths and configured to amplify a signal received at the amplifier; and at least two features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature that are implemented for the RF receiving system, of which the first feature comprises a plurality of bandpass filters, from each bandpass filter of the first plurality of bandpass filters being arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band, and at least some of the plurality of amplifiers as variable gain amplifiers, VGAs, wherein each VGA of the plurality of VGAs is adapted to amplify the corresponding signal with a gain controlled by an amplifier control signal received from the controller, the second feature of which comprises a plurality of phase shift components in which each phase shift component of the plurality of phase shift components disposed along an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component, of which the third feature has a plurality of impedance matching components in which each impedance matching component passes along the plurality of impedance matching components of an associated one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths, the fourth feature of which comprises a plurality of bandpass filters connected downstream of the amplifiers, each of which A bandpass filter of the plurality of bandpass filters connected downstream of the amplifiers along an associated one of the plurality of paths at an output of a corresponding one of the plurality of amplifiers is arranged and adapted to filter a signal to an associated frequency band, of which the fifth feature is a switch network having one or more single-pole power switches, each of which couples two of the plurality of paths, and which is designed by the control means on the basis of the band select signal, and the sixth feature of which is an input multiplexer adapted to receive one or more RF signals at one or more input multiplexer inputs and each of the one or more RF signals for propagation along a corresponding one of them Path of the plurality of paths at one or more of a plurality of input multiplexer outputs, and having an output multiplexer which is adapted to one or more propagated along one or more corresponding paths of the plurality of paths, amplified RF signals at one or more corresponding Ausgangsm and output each of the one or more amplified RF signals at a selected one of a plurality of output multiplexer outputs. The RF reception system of claim 1, wherein the RF reception system comprises the first feature and the second feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature and the third feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature and the third feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, and the third feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, and the fourth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the fourth feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the fourth feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature, the fourth feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the fourth feature, and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, the fourth feature, and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, the fourth feature, and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, the fourth feature, and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the fourth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the fourth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature, the fourth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the fourth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, the fourth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, the fourth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, the fourth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the third feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the third feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the second feature, the third feature, the fourth feature, the fifth feature, and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature and the fifth feature. The RF reception system according to claim 1, wherein the RF reception system comprises the third feature and the fifth feature. The RF reception system according to claim 1, wherein the RF reception system comprises the fourth feature and the fifth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the fourth feature and the sixth feature. The RF reception system according to claim 1, wherein the RF reception system has the fifth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the first feature, the fifth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the second feature, the fifth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the third feature, the fifth feature and the sixth feature. The RF reception system of claim 1, wherein the RF reception system comprises the fourth feature, the fifth feature and the sixth feature. A high frequency module, RF module, comprising: a package substrate configured to receive a plurality of components; and a receiving system implemented on the package substrate, comprising: a controller configured to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system; a plurality of amplifiers, each amplifier of the plurality of amplifiers being arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier; and at least two features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature implemented for the RF receiving system, of which the first feature comprises a plurality of bandpass filters, of which each bandpass filter of the first plurality of bandpass filters is arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band, and comprises at least some of the plurality of amplifiers as variable gain amplifiers, VGAs wherein each VGA of the plurality of VGAs is configured to amplify the corresponding signal with a gain controlled by an amplifier control signal received from the controller, the second feature comprising a plurality of phase shift components, each phase shift component passing along the plurality of phase shift components of an associated one of the plurality of paths and configured to phase shift a signal passing the phase shift component, of which the third feature is a plurality of impedance matching components in which each impedance matching component of the plurality of impedance matching components is arranged along an associated one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band amplification of the corresponding one of the plurality of paths, of which the fourth feature a plurality of bandpass filters connected downstream of the amplifiers, wherein each of the bandpass filters of the plurality of bandpass filters connected downstream of the amplifiers is arranged along an associated one of the plurality of paths at an output of a corresponding one of the plurality of amplifiers and adapted to apply a signal to an associated frequency band of which the fifth feature is a switch network having one or more single-pole power switches, each of which couples two of the plurality of paths, and which is configured by the control device an input multiplexer adapted to receive one or more RF signals at one or more input multiplexer inputs, and each of the one or more RF signals for propagation along a channel corresponding output path of the plurality of paths at one or more of a plurality of input multiplexer outputs, and having an output multiplexer which is adapted to one or more propagated along one or more corresponding paths of the plurality of paths, amplified RF signals at one or more corresponding Receive output multiplexer inputs and output each of the one or more amplified RF signals at a selected one of a plurality of output multiplexer outputs. The RF module of claim 59, wherein the RF module is a diversity receiver front end module, FEM. A wireless device, comprising: a first antenna configured to receive one or more radio frequency (RF) signals; a first front end module, FEM, in communication with the first antenna, comprising: a housing substrate configured to receive a plurality of components; and a receiving system implemented on the package substrate, comprising: a controller configured to selectively activate one or more of a plurality of paths between an input of the receiving system and an output of the receiving system; a plurality of amplifiers, each amplifier of the plurality of amplifiers being arranged along a corresponding one of the plurality of paths and configured to amplify a signal received at the amplifier; and at least two features from the group of a first feature, a second feature, a third feature, a fourth feature, a fifth feature, and a sixth feature implemented for the RF receiving system, of which the first feature comprises a plurality of bandpass filters, each bandpass filter of the first plurality of bandpass filters being arranged along an associated one of the plurality of paths and configured to filter a signal received at the bandpass filter to an associated frequency band, and at least some of the plurality of amplifiers as a variable gain amplifier, VGAs , wherein each VGA of the plurality of VGAs is adapted to amplify the corresponding signal with a gain controlled by an amplifier control signal received from the controller, the second feature of which comprises a plurality of phase shift components, each phase shifting arranged component of the plurality of phase shift components along an associated path of the plurality of paths and is adapted to phase shift a phase shift component signal, of which the third feature has a plurality of impedance matching components, in which each impedance matching component of the plurality of impedance matching components along an associated one of the plurality of paths and configured to reduce one or both of an out-of-band noise figure and an out-of-band gain of the corresponding one of the plurality of paths, the fourth feature of which comprises a plurality of bandpass filters connected downstream of the amplifiers wherein each bandpass filter of the plurality of bandpass filters connected downstream of the amplifiers is arranged along an associated one of the plurality of paths at an output of a corresponding amplifier of the plurality of amplifiers and is adapted to filter a signal to an associated frequency band, of which the fifth feature is a switch network comprising one or more single-pole power-switches, each of which couples two of the plurality of paths, and which is adapted to be driven by the control means on the basis of the band select signal, and of which the sixth feature is an input multiplexer adapted thereto receive one or more RF signals at one or more input multiplexer inputs and output each of the one or more RF signals for propagation along a corresponding one of the plurality of paths at one or more of a plurality of input multiplexer outputs; An output multiplexer configured to receive one or more amplified RF signals propagated along one or more corresponding ones of the plurality of paths, at one or more corresponding output multiplexer inputs, and each of the one or more amplified RF signals at a selected output of one Output a plurality of output multiplexer outputs; and a transceiver configured to receive a processed version of the one or more RF signals / e from the receiving system and generate data bits based on the processed version of the one or more RF signals / e. The wireless device of claim 61, wherein the wireless device is a mobile phone.

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