WO2022127399A1

WO2022127399A1 - Radio frequency pa mid device, radio frequency transceiving system, and communication device

Info

Publication number: WO2022127399A1
Application number: PCT/CN2021/127431
Authority: WO
Inventors: 王国龙
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-12-16
Filing date: 2021-10-29
Publication date: 2022-06-23
Also published as: CN114640359A; CN114640359B

Abstract

A radio frequency PA Mid device, provided with multiple transmitting ports and multiple receiving ports which are configured to connect a radio frequency transceiver, and multiple antenna ports configured to connect antennas. The radio frequency PA Mid device comprises: three transceiving modules (100), the transceiving modules being respectively correspondingly connected to one transmitting port and at least one receiving port, and the three transceiving modules (100) being respectively configured to support receiving and transmitting of radio frequency signals of three different frequency bands in a one-to-one correspondence manner; and a switch circuit (200), comprising multiple first ends and multiple second ends, the multiple second ends of the switch circuit (200) being respectively connected to at least some of the antenna ports in a one-to-one correspondence manner, at least two first ends of the switch circuit (200) being respectively connected to at least two of the transceiving modules (100) in a one-to-one correspondence manner, and the switch circuit (200) being configured to selectively turn on radio frequency channels between the transceiving modules (100) and the antenna ports.

Description

RF PA Mid devices, RF transceiver systems and communication equipment

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed on December 16, 2020 with the application number 2020114897605 and the invention title is "Radio Frequency PA Mid Device, Radio Frequency Transceiver System and Communication Equipment", the entire contents of which are incorporated by reference in this application.

technical field

The present application relates to the field of radio frequency, and in particular, to a radio frequency PA Mid device, a radio frequency transceiver system and communication equipment.

Background technique

The statements herein merely provide background information related to the present application and do not necessarily constitute exemplary techniques.

With the development and progress of technology, in order to meet the increasing demands of various network standards, RF PA Mid devices are developing rapidly. From Phase2 products that only support single frequency band at first, to Phase7 products that support integration of various standards, the package size of the device is getting smaller and smaller. Therefore, in order to realize more abundant transceiver functions of RF PA Mid devices, and at the same time to solve the problem of tight PCB layout, the degree of integration and miniaturization of existing RF PA Mid devices can no longer meet the needs of the development trend.

SUMMARY OF THE INVENTION

According to various embodiments of the present application, a radio frequency PA Mid device, a radio frequency transceiver system, and a communication device are provided.

A radio frequency PA Mid device configured with multiple transmit ports and multiple receive ports for connecting a radio frequency transceiver, and multiple antenna ports for connecting an antenna, the radio frequency PA Mid device comprising:

three transceiver modules, each of which is connected to a transmitting port and at least one receiving port respectively, and the three transceiver modules are respectively used for one-to-one correspondence supporting the transceiver of radio frequency signals of three different frequency bands;

A switch circuit includes a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit are respectively connected with at least part of the antenna ports in a one-to-one correspondence, and at least two first ends of the first switch unit The switches are respectively connected with at least two of the transceiver modules in a one-to-one correspondence, and the switch circuit is used for selectively conducting the radio frequency channel between the transceiver modules and the antenna port.

A radio frequency transceiver system, comprising:

As the above-mentioned radio frequency PA Mid device, the radio frequency PA Mid device is configured with five antenna ports;

a fifth switch device, the fifth switch device includes one first end and four second ends, and the first end of the fifth switch device is connected to one of the antenna ports;

Four antennas for sending and receiving RF signals;

three receiving modules, each of which is respectively connected to a second end of the fifth switching device and one of the remaining four antenna ports;

Four combiners, two first ends of one of the combiners are respectively connected to the remaining second end of the fifth switching device and the remaining one of the antenna ports, and the remaining combiners are respectively connected The first ends of the combiners are respectively connected with one of the receiving modules, and the second ends of the four combiners are respectively connected with the four antennas in one-to-one correspondence;

The radio frequency transceiver is respectively connected with the receiving module, the transmitting port and the receiving port of the radio frequency PA Mid device.

A radio frequency transceiver system, comprising:

As the above-mentioned radio frequency PA Mid device, the radio frequency PA Mid device is configured with eight antenna ports;

Four antennas for sending and receiving RF signals;

three receiving modules, each of which is respectively connected to two of the eight antenna ports;

Four combiners, the two first ends of one of the combiners are respectively connected to the remaining two antenna ports, and the first ends of the remaining combiners are respectively corresponding to one of the receivers module connection, the second ends of the four combiners are respectively connected with the four antennas in one-to-one correspondence;

A radio frequency transceiver system, comprising:

As the above-mentioned radio frequency PA Mid device, the radio frequency PA Mid device is configured with four antenna ports;

a sixth switch device, the sixth switch device includes two first ends and two second ends, and the two first ends of the sixth switch device are respectively connected to the first ends via the corresponding antenna ports transceiver module;

Two antennas for sending and receiving RF signals;

Two combiners, the two first ends of each of the combiners are respectively connected to a second end of the sixth switching device and one of the remaining two antenna ports, and the two The second ends are respectively connected with the two antennas in a one-to-one correspondence;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.

A radio frequency transceiver system, comprising:

Two antennas for sending and receiving RF signals;

Two combiners, a first end of one of the combiners is connected to a second end of the second switching device through an antenna port, and the other first end of the combiner is connected through another One of the antenna ports is connected to the other second end of the first switching device, and the two first ends of the other combiner are respectively connected to the remaining two antenna ports in a one-to-one correspondence. The second ends of the combiner are respectively connected with the two antennas in a one-to-one correspondence;

A radio frequency transceiver system, comprising:

As the above-mentioned radio frequency PA Mid device, the radio frequency PA Mid device is configured with two antenna ports;

two antennas, respectively connected to the two antenna ports in a one-to-one correspondence, for sending and receiving radio frequency signals;

A radio frequency transceiver system, comprising:

a seventh switch device, the seventh switch device includes four first ends and four second ends, and the four first ends of the seventh switch device are respectively connected to the first ends through the corresponding antenna ports transceiver module;

Four antennas for sending and receiving RF signals;

Four combiners, the two first ends of each of the combiners are respectively connected to one first end of the seventh switching device and one of the remaining four antenna ports, and the four The second ends are respectively connected with the four antennas in one-to-one correspondence;

A radio frequency transceiver system, comprising:

Four antennas for sending and receiving RF signals;

Four combiners, a first end of each of the combiners is connected to a second end of the first switching device through an antenna port in a one-to-one correspondence, and another first end of each of the combiners The ends are respectively connected with the other second ends of the second switching device through another antenna port in a one-to-one correspondence, and the second ends of the four combiners are respectively connected with the four antennas in a one-to-one correspondence;

A radio frequency transceiver system, comprising:

Four antennas, respectively connected with the four antenna ports in a one-to-one correspondence, for sending and receiving radio frequency signals;

A communication device includes the above-mentioned radio frequency transceiver system.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below. Other features, objects and advantages of the present application will become apparent from the description, drawings and claims.

Description of drawings

In order to explain the technical solutions in the embodiments or exemplary technologies of the present application more clearly, the following briefly introduces the drawings that need to be used in the description of the embodiments or the exemplary technologies. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, the drawings of other embodiments can also be obtained according to these drawings without creative efforts.

Fig. 1 is the structural block diagram of the radio frequency PA Mid device of three frequency bands of an embodiment;

Fig. 2 is one of the structural block diagrams of the three-band single-channel radio frequency PA Mid device of an embodiment;

3 is the second structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

4 is the third structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

5 is the fourth structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

6 is the fifth structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

Fig. 7 is the package structure schematic diagram of the radio frequency PA Mid device of the embodiment of Fig. 6;

FIG. 8 is one of structural block diagrams of a radio frequency transceiver system according to an embodiment;

9 is the sixth structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

10 is a schematic diagram of the packaging structure of the radio frequency PA Mid device of the embodiment of FIG. 9;

11 is a second structural block diagram of a radio frequency transceiver system according to an embodiment;

12 is the seventh structural block diagram of a three-band single-channel radio frequency PA Mid device according to an embodiment;

13 is a third structural block diagram of a radio frequency transceiver system according to an embodiment;

14 is one of the structural block diagrams of the three-band dual-channel radio frequency PA Mid device of an embodiment;

15 is a schematic diagram of the packaging structure of the radio frequency PA Mid device of the embodiment of FIG. 14;

16 is a fourth structural block diagram of a radio frequency transceiver system according to an embodiment;

17 is the second structural block diagram of a three-band dual-channel radio frequency PA Mid device according to an embodiment;

18 is a schematic diagram of the packaging structure of the radio frequency PA Mid device of the embodiment of FIG. 17;

19 is a fifth structural block diagram of a radio frequency transceiver system according to an embodiment;

20 is the third structural block diagram of a three-band dual-channel radio frequency PA Mid device according to an embodiment;

21 is a sixth structural block diagram of a radio frequency transceiver system according to an embodiment;

22 is one of the structural block diagrams of the three-band four-channel radio frequency PA Mid device of an embodiment;

Fig. 23 is the package structure schematic diagram of the radio frequency PA Mid device of the embodiment of Fig. 22;

FIG. 24 is a seventh structural block diagram of a radio frequency transceiver system according to an embodiment;

25 is the second structural block diagram of a three-band four-channel radio frequency PA Mid device according to an embodiment;

Fig. 26 is the package structure schematic diagram of the radio frequency PA Mid device of the embodiment of Fig. 25;

FIG. 27 is the eighth structural block diagram of a radio frequency transceiver system according to an embodiment;

28 is the third structural block diagram of a three-band four-channel radio frequency PA Mid device according to an embodiment;

FIG. 29 is a ninth structural block diagram of a radio frequency transceiver system according to an embodiment.

Detailed ways

In order to facilitate the understanding of the embodiments of the present application, the embodiments of the present application will be described more fully below with reference to the related drawings. Preferred embodiments of the embodiments of the present application are shown in the accompanying drawings. However, the embodiments of the present application may be implemented in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the embodiments of the present application will be thorough and complete.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field belonging to the embodiments of the present application. The terms used in the description of the embodiments of the present application herein are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The radio frequency PA Mid device 10 involved in the embodiments of the present application can be applied to a communication device with a wireless communication function, and the communication device can be a handheld device, a vehicle-mounted device, a wearable device, a computing device, or other processing device connected to a wireless modem, and Various forms of user equipment (User Equipment, UE), such as mobile phones, mobile stations (Mobile Station, MS) and so on. For convenience of description, the devices mentioned above are collectively referred to as communication devices. Network devices may include base stations, access points, and the like.

A RF PA Mid device, a RF PA Mid device can be understood as a PA Mid module (Power Amplifier Modules including Duplexers With LNA) with a built-in low noise amplifier. The RF PA Mid device can support the transmission and reception of signals in multiple frequency bands, so as to realize the reception switching control of the signal, the transmission switching control and the switching control between the transmission and reception. The radio frequency PA Mid device of the embodiment of the present application can support transmitting and receiving control of signals in three frequency bands including N41, N77, and N79 frequency bands.

The RF PA Mid device can be understood as a package structure, and the RF PA Mid device is configured with a transmit port for connecting to a radio frequency transceiver, a plurality of receive ports, and a plurality of antenna ports for connecting an antenna. The transmit port, the receive port, and the antenna port can be understood as the radio frequency pin terminals of the radio frequency PA Mid device, which are used to connect with various external devices.

The transmit port is used to receive multiple signals sent by the radio frequency transceiver. The radio frequency PA Mid device can filter and amplify the input multiple signals to output to the corresponding antenna port, and then be transmitted by the antenna connected to the antenna port to Realize the transmission control of multiple signals. The antenna port is also used to receive the signal received by the antenna. The RF PA Mid device can filter and amplify the signal input by the antenna port to output to the corresponding receiving port, and output to the radio frequency transceiver through the receiving port to realize the Receive control of multiple signals.

FIG. 1 is a structural block diagram of a three-band radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 1 , in this embodiment, the radio frequency PA Mid device 10 is configured with a plurality of transmit ports and multiple transmission ports for connecting to a radio frequency transceiver 20 . A receiving port, and a plurality of antenna ports for connecting an antenna, the radio frequency PA Mid device 10 includes a switch module and three transceiver modules 100.

Each of the transceiver modules 100 has two first ends and one second end, the two first ends of each transceiver module 100 are respectively connected to a transmit port and at least one receive port, and the second ends of each transceiver module 100 are respectively connected. Connect directly or indirectly to the antenna port. The three transceiver modules 100 are respectively used to support the transmission and reception of radio frequency signals of three different frequency bands, that is, one transceiver module 100 is used to support the transmission and reception of radio frequency signals of the first frequency band, and the other transceiver module 100 is used to support the transmission and reception of radio frequency signals of the first frequency band. In order to support the transmission and reception of radio frequency signals in the second frequency band, the last transceiver module 100 is used to support the transmission and reception of radio frequency signals in the third frequency band. , so as to improve the transceiver efficiency of the RF PA Mid device 10 .

The switch circuit 200 includes a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit 200 are respectively connected to at least part of the antenna ports in a one-to-one correspondence, and at least two first ends of the switch circuit 200 The switch circuits 200 are respectively connected to at least two of the transceiver modules 100 in a one-to-one correspondence, and the switch circuit 200 is used for selectively conducting the radio frequency channel between the transceiver modules 100 and the antenna port. In the embodiment shown in FIG. 1 , the switch circuit 200 includes two first ends and three second ends, and the two first ends are respectively connected to the two transceiver modules 100 in a one-to-one correspondence, and the three second ends are respectively Connecting with the three antenna ports in a one-to-one correspondence, the switch circuit 200 can connect any one of the two transceiver modules 100 to any one of the three antenna ports, thereby realizing a more flexible transceiver control function.

It can be understood that, in other embodiments, all three transceiver modules 100 may be connected to the antenna port through the switch circuit 200, or the switch circuit 200 may be configured with a greater number of first terminals and/or second terminals, so as to The switch circuit 200 is provided with a more flexible control function, and the RF PA Mid device 10 is provided with more abundant functions of transmitting and receiving radio frequency signals, such as a round-shooting function and the like. Similarly, the RF PA Mid device 10 can also be configured with more multiple receiving ports, transmitting ports, and antenna ports to implement functions such as diversity reception, thereby further improving the reliability of the RF PA Mid device 10 for sending and receiving RF signals.

In this embodiment, the RF PA Mid device 10 integrates the switch circuit 200 and the three transceiver modules 100 in the same device, and can realize the transmission control and reception of multi-band RF signals based on the switching function of the switch circuit 200 At the same time, at least two transceiver modules 100 can share part of the antenna ports, thereby further saving the number of antenna ports. Therefore, the embodiment of the present application provides a radio frequency PA Mid device 10 with high integration and small volume.

2 is one of the structural block diagrams of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment, wherein the three-band single-channel radio frequency PA Mid device 10 means that the radio frequency PA Mid device 10 supports radio frequency signals of three frequency bands Send and receive, and set a receive channel and a transmit channel for each frequency band correspondingly. Referring to FIG. 2 , in this embodiment, the transceiver module 100 includes a transceiver unit 101 . The transceiver unit 101 has two first ends and a second end. The two first ends of the transceiver unit 101 are respectively connected to the receiving port and the transmitting port in a one-to-one correspondence. The second end is connected to the antenna port or connected to the antenna port through the switch circuit 200 , and the transceiver unit 101 is used to support single-channel transceiver for radio frequency signals.

Specifically, three transceiver modules 100 are defined as a first transceiver module 110 , a second transceiver module 120 and a third transceiver module 130 . The first transceiver module 110 is used to support the transmission and reception of radio frequency signals of the N41 frequency band, the second transceiver module 120 is used to support the transmission and reception of radio frequency signals of the N77 frequency band, and the third transceiver module 130 is used to support the transmission and reception of radio frequency signals of the N79 frequency band of sending and receiving. The first transceiver module 110 is directly connected to the antenna port, and the second transceiver module 120 and the third transceiver module 130 are both connected to the antenna port through the switch circuit 200 . It can be understood that, in other embodiments, the third transceiver module 130 may also be directly connected to the antenna port, and both the first transceiver module 110 and the second transceiver module 120 are connected to the antenna port through the switch circuit 200 .

Further, with continued reference to FIG. 2 , the transceiver unit 101 includes a transmitting circuit 1012 and a first receiving circuit 1011 .

The input end of the transmitting circuit 1012 is connected to the transmitting port, the output end of the transmitting circuit 1012 is connected to the antenna port or is connected to the antenna port through the switch circuit 200, the transmitting circuit 1012 is used for Receive radio frequency signals and amplify the received radio frequency signals. 3 is the second structural block diagram of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 3, the transmitting circuit 1012 may include a power amplifier 1015 to amplify the received radio frequency signal, and the power amplifier The magnification of 1015 can be set according to the transmit power requirement of the RF PA Mid device 10 .

The input end of the first receiving circuit 1011 is connected to the antenna port or connected to the antenna port through the switch circuit 200 , and the output end of the first receiving circuit 1011 is connected to one of the receiving ports. The receiving circuit includes a low-noise amplifier 1014, and the low-noise amplifier 1014 is used to amplify the received radio frequency signal and transmit the processed signal to the receiving port.

It can be understood that the above-mentioned power amplifier 1015 is only used as the basic structure in the transmitting circuit 1012. In other embodiments, other functional devices such as other power adjustment devices, power detection devices, and switching devices may be further set in the transmitting circuit 1012. to achieve more complex launch functions. Similarly, other functional devices may also be further provided in the first receiving circuit 1011 to implement a more complex receiving function. In other embodiments, in order to simplify the drawings, the transmitting circuit 1012 includes a power amplifier 1015 and the first receiving circuit 1011 includes a low-noise amplifier 1014 as an example to provide embodiments for description, which will not be repeated in other embodiments. .

Continuing to refer to FIG. 3 , the transceiver unit 101 further includes a fourth switching device 1013 . The fourth switching device 1013 includes two first terminals and one second terminal, and the two first terminals of the fourth switching device 1013 are respectively connected with the output terminal of the transmitting circuit 1012 and the input of the first receiving circuit 1011 . The terminals are connected in a one-to-one correspondence, and the second terminal of the fourth switch device 1013 is connected to the antenna port or connected to the antenna port via the switch circuit 200 . In this embodiment, based on the fourth switching device 1013, the transmitting circuit 1012 and the first receiving circuit 1011 in the same transceiver unit 101 can be switched, so that the above two circuits share the same antenna port, thereby saving the antenna port , which improves the integration level of the RF PA Mid device 10 .

FIG. 4 is the third structural block diagram of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 4 , in this embodiment, the radio frequency PA Mid device 10 further includes a plurality of filtering units 300. Each of the transceiver units 101 is respectively connected to one of the antenna ports or to a first end of the switch circuit 200 through one of the filter units 300. Specifically, in the embodiment shown in FIG. The transceiver unit 101 of a transceiver module 110 is directly connected to the antenna port, and the transceiver unit 101 of the second transceiver module 120 and the transceiver unit 101 of the third transceiver module 130 are all indirectly connected to the antenna port through the switch circuit 200 . In this embodiment, the filtering unit 300 is disposed on the receiving path of the low noise amplifier 1014 and on the transmitting path of the power amplifier 1015. Therefore, the filtering unit 300 can time-division the received radio frequency signal and the transmitted radio frequency signal. Filtering is performed separately to achieve a more complete filtering function. Moreover, compared with the way of setting one filter unit 300 for the transmit path and the receive path respectively, in this embodiment, the low noise amplifier 1014 and the power amplifier 1015 share the power of the filter unit 300, which can further reduce the radio frequency PA without affecting the filtering function. The number of filtering units 300 required by the Mid device 10 improves the integration level of the RF PA Mid device 10 .

Wherein, the filtering unit 300 may include a filter 310, and the filter 310 only allows radio frequency signals of a preset frequency band to pass. Specifically, corresponding to the first transceiver module 110, the filter 310 of the N41 frequency band is set; corresponding to the second transceiver module 120, the filter 310 of the N77 frequency band is set; corresponding to the third transceiver module 130, the filter 310 of the N79 frequency band is set . Further, the filter 310 may be a band-pass filter 310, a low-pass filter 310, or the like. It should be noted that, in this embodiment of the present application, the type of the filter 310 in each filtering unit 300 is not further limited, and an appropriate filter 310 may be selected according to the frequency band of the radio frequency signal to be filtered.

FIG. 5 is the fourth structural block diagram of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 5 , in this embodiment, the switch circuit 200 includes a first switch device 210 , and the first switch The device 210 includes at least two first ends and a plurality of second ends, a first end of the switch circuit 200 is connected to the transceiver unit 101 of the second transceiver module 120 , and another first end of the switch circuit 200 is connected to the transceiver unit 101 of the second transceiver module 120 . The second ends of the first switch device 210 are respectively connected to some of the antenna ports in a one-to-one correspondence, wherein the remaining antenna ports are It is connected to the transceiver unit 101 of the first transceiver module 110 . Specifically in this embodiment, the first transceiver module 110 is connected to the antenna port through the filter 310 of the N41 frequency band, the second transceiver module 120 is connected to the antenna port through the filter 310 of the N77 frequency band and the first switching device 210, and the third transceiver The module 130 is connected to the antenna port via the N79 frequency band filter 310 and the first switching device 210 . Exemplarily, the first switching device 210 may selectively conduct the radio frequency path between the second transceiver module 120 and the antenna port ANT3, and simultaneously conduct the radio frequency path between the third transceiver module 130 and the antenna port AUX1.

It can be understood that, the first switching device 210 can realize two first ends and a plurality of second ends through the connection of multiple different switches, and the present application does not specifically limit the internal structure of the first switching device 210 . For example, as shown in FIG. 5 , a 2P3T switch and a 3P4T switch together constitute a first switching device 210 having two first terminals and five second terminals.

It can be understood that, in the prior art, if a radio frequency transceiver system of N41, N77 and N79 three frequency bands needs to be implemented, it is usually necessary to connect an external radio frequency PA Mid device 10 of the N41 frequency band. The transceiver modules 100 of the three frequency bands N41, N77 and N79 are located in the same RF PA Mid device 10, and the RF PA Mid device 10 of the N41 single frequency band can be removed, thereby saving approximately 20mm^2 of the area of the RF transceiver system, which can be used for other The module performs performance optimization to free up physical space. Moreover, the tri-band RF PA Mid device 10 can simplify power supply layout and logic control wiring, which is more conducive to signal integrity, reduces mutual interference between signals, and reduces PCB (Printed Circuit Board, printed circuit board) at the same time. The number of wirings and wiring density can also reduce the complexity of the process flow during the assembly of the radio frequency transceiver system, thereby further reducing the overall cost of the radio frequency transceiver system to which the radio frequency PA Mid device 10 of this embodiment is applied.

FIG. 6 is the fifth structural block diagram of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 6 , in this embodiment, the radio frequency PA Mid device 10 is also configured with a coupling output port CPLOUT, so The RF PA Mid device 10 further includes a coupling circuit 400 . The coupling circuit 400 is arranged on the transmission channel between the transmission port and the antenna port, and is used for coupling the radio frequency signal transmitted by the transmission channel, so as to output the coupling signal through the coupling end of the coupling circuit 400, and the coupling The signal is used to transmit to the coupling output port CPLOUT, and the coupled signal can be used to measure the forward coupling power and the reverse coupling power of the radio frequency signal.

Specifically, the coupling circuit 400 includes an input end, an output end and a coupling end, and each transceiver module 100 is provided with an input end correspondingly. Taking the first transceiver module 110 as an example, the input end of the coupling circuit 400 is connected to the filter of the N41 frequency band. 310 is connected, the output end of the coupling circuit 400 is connected to the antenna port ANT1, and the coupling end is used to couple the radio frequency signal received by the input end and output the coupled signal, wherein the coupling signal includes the first forward coupling signal and the first reverse coupling Signal. Based on the first forward coupling signal output by the coupling end, the forward power information of the radio frequency signal or the radio frequency signal can be detected; based on the first reverse coupling signal output by the coupling end, the radio frequency signal or the reverse power information of the radio frequency signal can be detected correspondingly , and define the detection mode as reverse power detection mode.

Further, the coupling circuit 400 is also provided with a coupling switch, that is, a plurality of SPDT switches and a plurality of DPDT switches in the coupling circuit 400 in the embodiment of FIG. The output port CPLOUT is connected for selectively outputting the coupling signal to the coupling output port CPLOUT or inputting the coupling signal of other coupling circuits 400 from the coupling input port CPLIN. It can be understood that, if multiple radio frequency PA Mid devices 10 are provided in the radio frequency transceiver system, the distance between the multiple radio frequency PA Mid devices 10 is usually small, while the distance between the radio frequency PA Mid device 10 and the radio frequency transceiver 20 is relatively small. Therefore, one coupling circuit 400 can obtain the coupling signal of the other coupling circuit 400 and transmit it, that is, the relay of the radio frequency signal is realized through the coupling circuit 400, thereby reducing the wiring between the coupling circuit 400 and the radio frequency transceiver 20 The same coupling signal transmission function is realized with a smaller number of wirings, so as to further improve the integration degree of the radio frequency transceiver system.

Continuing to refer to FIG. 6 , the radio frequency PA Mid device 10 further includes a PA+ASM RFFE1 control unit, the PA+ASM RFFE1 control unit is connected to each switch unit and the power amplifier 1015 respectively, and the PA+ASM RFFE1 control unit is used to control the communication of each switch unit. It is also used to control the working state of each power amplifier 1015. Specifically, the PA+ASM RFFE1 control unit may be a mobile industry processor interface (Mobile Industry Processor Interface, MIPI)-RF Front End Control Interface (RF Front End Control Interface, RFFE) control unit. When the PA+ASM RFFE1 control unit is the MIPI-RFFE control unit, the radio frequency PA Mid device 10 is also configured with the input pin CLK of the clock signal, the input or bidirectional pin DATA1 of the unidirectional/bidirectional data signal, and the reference voltage pin VIO and more.

Further, the radio frequency PA Mid device 10 may also include an LNA RFFE2 control unit, the LNA RFFE2 control unit is connected to the low noise amplifier 1014, and the LNA RFFE2 control unit is used to adjust the gain coefficient of each low noise amplifier 1014, to reduce the radio frequency signal receiving channel. Cascade noise figure, thereby improving the sensitivity of the RF PA Mid device 10 . Wherein, the type of the LNA RFFE2 control unit can be the MIPI-RFFE control unit, which conforms to the control protocol of the RFFE bus. When the LNA RFFE2 control unit is the MIPI-RFFE control unit, its radio frequency PA Mid device 10 is also configured with a clock signal Input pin CLK_LNA1, input for uni/bidirectional data signal or bidirectional pin DATA_LNA1.

In one embodiment, each device in the RF PA Mid device 10 as shown in FIG. 6 can be integrated and packaged in the same package module, and FIG. 7 is the packaging structure of the RF PA Mid device 10 in the embodiment of FIG. 6 . In the schematic diagram, as shown in FIG. 7 , each pin in the radio frequency PA Mid device 10 (package chip) corresponds to a plurality of ports configured in the radio frequency PA Mid device 10 one-to-one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 6 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 8 is one of the structural block diagrams of a radio frequency transceiver system according to an embodiment. Referring to FIG. 8 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10 , a fifth switch device 51 , four antennas, and three receiving modules. 40 . Four combiners 30 and one radio frequency transceiver 20 .

In this embodiment, the radio frequency PA Mid device 10 is configured with five antenna ports for transmitting radio frequency signals, namely ANT1, ANT2, AUX1, AUX2 and AUX3, and is also configured with a spare antenna port ANT3.

The fifth switch device 51 includes a first end and four second ends, the first end of the fifth switch device 51 is connected to one of the antenna ports, specifically connected to the antenna port ANT1, and the fifth switch device 51 is connected to the antenna port ANT1. The four second ends of 51 are respectively directly or indirectly connected with the four combiners 30 in one-to-one correspondence.

Each of the receiving modules 40 is respectively connected to a second end of the fifth switching device 51 and one of the remaining four antenna ports, specifically, the three receiving modules 40 are respectively connected to the antenna port AUX1 and the antenna port. AUX2 and antenna port AUX3 are connected in one-to-one correspondence.

The two first ends of one of the combiners 30 are respectively connected to the remaining second end of the fifth switching device 51 and the remaining one of the antenna ports, and the first ends of the remaining combiners 30 are respectively connected. One end is respectively connected to one of the receiving modules 40, specifically, the two first ends of a combiner 30 are respectively connected to a second end of the fifth switching device 51 and the antenna port ANT2, and the remaining three are combined. The three transceiver modules 100 are respectively connected to the three transceiver modules 100 in a one-to-one correspondence, and the second ends of the four combiners 30 are respectively connected to the four antennas in a one-to-one correspondence.

The antenna is used to send and receive radio frequency signals. Wherein, each antenna may be a directional antenna or a non-directional antenna. Illustratively, each antenna may be formed using any suitable type of antenna. For example, each antenna may include an antenna with resonating elements formed from the following antenna structures: array antenna structures, loop antenna structures, patch antenna structures, slot antenna structures, helical antenna structures, strip antennas, monopole antennas, dipole antennas At least one of the antennas, etc.

The radio frequency transceiver 20 is respectively connected with the receiving module 40, the transmitting port and the receiving port of the radio frequency PA Mid device 10, so as to transmit and receive radio frequency signals.

Based on the radio frequency transceiver system shown in FIG. 8 , the SRS polling control principle of the radio frequency transceiver system is specifically analyzed. Table 1 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; the SPDT switch is switched, and passes through the filter 310 to the ANT1 port; via Path1, to the SP4T switch of the fifth switching device 51; SP4T is switched to Path2, via the combiner 30, to the output of the antenna ANT0 to realize the SRS function; SP4T is switched to Path3, to the SPDT switch in the receiving module 40; receiving The SPDT switch in the module 40 is switched to Path6, and is output by the antenna ANT1 through the combiner 30 to realize the SRS function; SP4T is switched to Path4, and is switched to the SPDT switch in the receiving module 40; The SPDT switch in the receiving module 40 is switched to Path7, Through the combiner 30, to the antenna ANT2 output to realize the SRS function; SP4T is switched to Path5, to the SPDT switch in the receiving module 40; The SPDT switch in the receiving module 40 is switched to Path8, through the combiner 30, to the antenna ANT3 output , to realize the SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 1, which will not be repeated here.

Table 1 1T4R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1->Path2Path1->Path2	Path9Path9	Path9Path9
Channel1Channel1	Path1->Path3->Path6Path1->Path3->Path6	Path10->Path13Path10->Path13	Path10->Path13Path10->Path13
Channel2Channel2	Path1->Path4->Path7Path1->Path4->Path7	Path11->Path14Path11->Path14	Path11->Path14Path11->Path14
Channel3Channel3	Path1->Path5->Path8Path1->Path5->Path8	Path12->Path15Path12->Path15	Path12->Path15Path12->Path15

FIG. 9 is the sixth structural block diagram of the three-band single-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 9 , in this embodiment, the switch circuit 200 further includes a second switch device 220 . The second switch device 220 includes at least one first end and a plurality of second ends, a first end of the second switch device 220 is connected to the transceiver unit 101 of the first transceiver module 110, and the second The plurality of second ends of the switching device 220 are respectively connected to another part of the antenna ports in a one-to-one correspondence. 6 and 8, in this embodiment, by setting the second switching device 220, the fifth switching device 51 in the embodiment of FIG. 8 can be saved, thereby further improving the integration degree of the radio frequency PA Mid device 10.

And it can be understood that, in order to realize the SRS function of 1T4R, the 3P4T switch in the first switching device 210 is reserved inside the radio frequency PA Mid device 10 of the embodiment of FIG. 6 to add three additional antenna ports AUX, but the 3P4T switch It will occupy the space inside the device and affect other modules inside the device. Based on the optimization scheme framework, 3P4T and DP3T are integrated into a DP4T switch.

In one embodiment, each device in the RF PA Mid device 10 as shown in FIG. 9 can be integrated and packaged in the same package module, and FIG. 10 is the packaging structure of the RF PA Mid device 10 in the embodiment of FIG. 9 . In the schematic diagram, as shown in FIG. 10 , each pin in the radio frequency PA Mid device 10 (packaged chip) corresponds to a plurality of ports configured in the radio frequency PA Mid device 10 one by one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 9 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 11 is the second structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 11 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10, four antennas, three receiving modules 40, and four combiners. 30 and a radio frequency transceiver 20.

In this embodiment, the RF PA Mid device 10 is configured with eight antenna ports. The antenna is used to send and receive radio frequency signals. Each of the receiving modules 40 is respectively connected to two of the eight antenna ports. Specifically, each receiving module 40 is connected to a second end of the first switching device 210 through an antenna port, and is correspondingly connected to a second end of the first switching device 210 through an antenna port. The other antenna port is connected to a second end of the second switching device 220, for example, a receiving module 40 is connected to the contact 2 of the first switching device 210 via the antenna port ANT6, and is connected to the second terminal via the antenna port ANT2 Contact 2 of switching device 220 . The two first ends of one of the combiners 30 are respectively connected to the remaining two antenna ports, and the first ends of the remaining combiners 30 are respectively connected to one of the receiving modules 40 , respectively. Specifically, the two first ends of one combiner 30 are respectively connected to the antenna port ANT1 and the antenna port ANT5, the remaining three combiners 30 are respectively connected to the three receiving modules 40 in a one-to-one correspondence, and the four combiners The second ends of the device 30 are respectively connected with the four antennas in a one-to-one correspondence. The radio frequency transceiver 20 is respectively connected with the receiving module 40, the transmitting port and the receiving port of the radio frequency PA Mid device 10.

Based on the radio frequency transceiver system shown in Figure 11, the SRS round-robin control principle of the radio frequency transceiver system is specifically analyzed. Table 2 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20 device; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; SP4T switch; SP4T switches to Path1 path, through combiner 30, to antenna ANT0 output to realize SRS function; SP4T switches to Path2, to SPDT switch in receiving module 40; SPDT switch in receiving module 40 is switched to Path5, via The combiner 30 is output to the antenna ANT1 to realize the SRS function; the SP4T is switched to Path3, to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path6, and is output to the antenna ANT2 through the combiner 30, Realize the SRS function; SP4T is switched to Path4, to the SPDT switch in the receiving module 40;

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 2, which will not be repeated here.

Table 2 1T4R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1Path1	Path8Path8	Path8Path8
Channel1Channel1	Path2->Path5Path2->Path5	Path9->Path12Path9->Path12	Path9->Path12Path9->Path12
Channel2Channel2	Path3->Path6Path3->Path6	Path10->Path13Path10->Path13	Path10->Path13Path10->Path13
Channel3Channel3	Path4->Path7Path4->Path7	Path11->Path14Path11->Path14	Path11->Path14Path11->Path14

FIG. 12 is the seventh structural block diagram of the three-band single-channel RF PA Mid device 10 according to an embodiment. Referring to FIG. 12 , in this embodiment, the switch circuit 200 includes a third switch device 230 . The third switch device 230 includes at least three first ends and a plurality of second ends. The three first ends of the third switch circuit 200 are respectively connected with the transceiver unit 101 of the first transceiver module 110 and the The transceiver unit 101 of the second transceiver module 120 is connected to the transceiver unit 101 of the third transceiver module 130 , and the plurality of second ends of the first switch device 210 are respectively connected to the plurality of the antenna ports in a one-to-one correspondence.

Referring to the embodiment of FIG. 9, the coupling circuit 400 of N41 is separated from the coupling circuits 400 of N77 and N79, and independently pulls out the coupling output port CPLOUT, but this will result in a larger number of output ports. Therefore, the coupling output of N41 is integrated with the coupling output of N77 and N79, and the original coupling switch is upgraded to a DP3T switch. Further, in this embodiment, after the first switching device 210 and the second switching device 220 are integrated into the third switching device 230, not only the occupied area of the switch can be reduced, the internal integration of the device can be improved, but also the internal logic control can be simplified.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 12 , an embodiment of the present application further provides a radio frequency transceiver system. It can be understood that, the connection relationship of the radio frequency transceiver system in this embodiment is similar to the connection relationship of the radio frequency transceiver system in the embodiment of FIG. 11 , so it is not repeated here.

Based on the radio frequency transceiver system shown in FIG. 13 , the SRS polling control principle of the radio frequency transceiver system is specifically analyzed. Table 3 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmitted signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; The three switching devices 230 switch; the third switching device 230 is switched to Path1, and is output to the antenna ANT0 through the combiner 30 to realize the SRS function; the third switching device 230 is switched to Path2, to the SPDT switch in the receiving module 40; the receiving module The SPDT switch in 40 is switched to Path5, and is output to the antenna ANT1 through the combiner 30 to realize the SRS function; the third switching device 230 is switched to Path3, to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched To Path6, through the combiner 30, to the output of the antenna ANT2 to realize the SRS function; the third switching device 230 is switched to Path4, to the SPDT switch in the receiving module 40; The SPDT switch in the receiving module 40 is switched to Path7, through the combining circuit The device 30 is output to the antenna ANT3 to realize the SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 3, and will not be repeated here.

Table 3 1T4R SRS detailed path configuration table

Further, taking N41 as an example, continue to analyze the working principle of the radio frequency signal transmission and reception of the radio frequency transceiver system shown in Figure 13 as follows:

TX channel: the transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; the SPDT switch is switched, and passes through the filter 310 , switch to the third switching device 230; the third switching device 230 switches to the Path1 path, through the combiner 30, to the output of the antenna ANT0;

PRX path: the received signal enters from the antenna ANT0 to the combiner 30; via the Path1 path, to the ANT1 port; the third switching device 230 is switched to the contact 9, via the filter 310, to the SPDT switch; the SPDT switch is switched to the receive path , after being amplified by the low noise amplifier 1014, to the RX1 port; from the SDR PRX7 port to the RF transceiver 20;

DRX path: the received signal enters from the antenna ANT1 to the combiner 30; via the Path5 path, to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched, and passes through the filter 310 to the ANT of the receiving module 40; After being amplified by the low noise amplifier 1014, it enters the RF transceiver 20 from the SDR DRX7 port to the RXOUT port;

PRX MIMO path: the received signal enters from the antenna ANT2 to the combiner 30; via the Path6 path, to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched, and passes through the filter 310 to the ANT of the receiving module 40 After being amplified by the low noise amplifier 1014, to the RXOUT port from the SDR PRX5 port into the radio frequency transceiver 20; DRX MIMO channel: the received signal enters from the antenna ANT3 to the combiner 30; Via the Path7 path, to the SPDT in the receiving module 40 switch; the SPDT switch in the receiving module 40 switches, through the filter 310, to the ANT of the receiving module 40; after being amplified by the low noise amplifier 1014, to the RXOUT port from the SDR DRX5 port into the radio frequency transceiver 20.

14 is one of the structural block diagrams of the three-band dual-channel radio frequency PA Mid device 10 according to an embodiment, wherein the three-band dual-channel radio frequency PA Mid device 10 means that the radio frequency PA Mid device 10 supports radio frequency signals of three frequency bands Send and receive, and set two receive channels and one transmit channel for each frequency band. Referring to FIG. 14 , in this embodiment, the first switching device 210 includes four first terminals, and in addition to a transceiver unit 101 , the transceiver module 100 further includes a second receiving circuit 1021 . The second receiving circuit 1021 of the first transceiver module 110 is respectively connected to one of the antenna ports and one of the receiving ports, and the four first ends of the first switching device 210 are respectively connected to the remaining two of the receiving ports. The transceiver unit 101 and the second receiving circuit 1021 of the transceiver module 100 are connected in one-to-one correspondence.

In this embodiment, the radio frequency PA Mid device 10 has a larger number of receiving ports, and the multiple receiving ports may include the main set receiving port PRX and the diversity receiving port DRX set in pairs, the main set receiving port PRX and the diversity receiving port DRX It can be used to receive two different signals carrying the same information, and the difference between the two signals can include at least one of transmission path, frequency, time, integration mode, etc. The signal of the receiving port is processed to obtain the final received information. Through the above arrangement, the accuracy of information transmission can be effectively improved, that is, a radio frequency PA Mid device 10 with higher reliability is provided.

It should be noted that the number of receiving circuits in each transceiver module 100 is not limited to the two shown in FIG. 14 , that is, a first receiving circuit 1011 in the transceiver unit 101 and an additionally provided second receiving circuit 1021 , in order to achieve higher throughput, a larger number of receiving circuits can also be set in the radio frequency PA Mid device 10 , for example, four or eight receiving circuits are set to form more radio frequencies in the radio frequency PA Mid device 10 signal receiving channel. In other embodiments, the structure of the radio frequency PA Mid device 10 configured with more than eight receiving circuits is similar to the structure of the radio frequency PA Mid device 10 provided in the specification, and can refer to the settings, and will not be repeated in this application.

Continuing to refer to FIG. 14, in this embodiment, the radio frequency PA Mid device 10 may further include an LNA RFFE3 control unit, the LNA RFFE3 control unit is connected to the low noise amplifier 1014, and the LNA RFFE3 control unit and the LNA RFFE2 control unit may be connected to different Low noise amplifier 1014 to control different low noise amplifiers 1014 . Wherein, the type of the LNA RFFE3 control unit can be the MIPI-RFFE control unit, which conforms to the control protocol of the RFFE bus. When the LNA RFFE3 control unit is the MIPI-RFFE control unit, its radio frequency PA Mid device 10 is also configured with a clock signal Input pin CLK_LNA2, input for uni/bidirectional data signal or bidirectional pin DATA_LNA2.

In one of the embodiments, each device in the RF PA Mid device 10 as shown in FIG. 14 can be integrated and packaged in the same package module, and FIG. 15 is the packaging structure of the RF PA Mid device 10 in the embodiment of FIG. 14 . In the schematic diagram, as shown in FIG. 15 , each pin in the RF PA Mid device 10 (packaged chip) corresponds to a plurality of ports configured in the RF PA Mid device 10 one-to-one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 14 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 16 is a fourth structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 16 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10 , a sixth switch device 52 , two antennas, two combined circuits 30 and a radio frequency transceiver 20.

In this embodiment, the RF PA Mid device 10 is configured with four antenna ports. The sixth switch device 52 includes two first ends and two second ends, and the two first ends of the sixth switch device 52 are respectively connected to the first transceiver module 110 via the corresponding antenna ports , the two first ends of the sixth switch device 52 are respectively connected to the antenna port ANT1 and the antenna port ANT2 in a one-to-one correspondence, and the two second ends of the sixth switch device 52 are respectively connected to the two combiners 30 in a one-to-one correspondence. The two first ends of each of the combiners 30 are respectively connected to a second end of the sixth switching device 52 and one of the remaining two antenna ports, for example, two of one combiner 30 The first ends are respectively connected to a second end of the sixth switching device 52 and the antenna port ANT3 in a one-to-one correspondence, and the second ends of the two combiners 30 are respectively connected to the two antennas in a one-to-one correspondence. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in FIG. 16 , the SRS round-robin control principle of the radio frequency transceiver system is specifically analyzed. Table 4 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20 device; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; ANT1 port; via Path1, to the SPDT switch in the sixth switching device 52; the SPDT switch in the sixth switching device 52 is switched to Path2, and via the combiner 30, to the output of the antenna ANT0 to realize the SRS function; The SPDT switch is switched to Path3, to the SPDT switch in the receiving module 40; the SPDT switch in the sixth switching device 52 is switched to Path5, and is output to the antenna ANT1 through the combiner 30 to realize the SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 4, and will not be repeated here.

Table 4 1T2R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1->Path2Path1->Path2	Path6Path6	Path6Path6
Channel1Channel1	Path1->Path3->Path5Path1->Path3->Path5	Path7Path7	Path7Path7

FIG. 17 is the second structural block diagram of the three-band dual-channel RF PA Mid device 10 according to an embodiment. Referring to FIG. 17 , in this embodiment, the first switching device 210 includes four first terminals, and the first switching device 210 includes four first terminals. The two switching device 220 includes two first terminals, the transceiver module 100 further includes a second receiving circuit 1021, the second receiving circuit 1021 is correspondingly connected to one of the receiving ports, and the two receiving ports of the second switching device 220 The first terminals of the first switching device 210 are respectively connected with the transceiver unit 101 and the second receiving circuit 1021 of the first transceiver module 110 in a one-to-one correspondence, and the four first terminals of the first switching device 210 are respectively connected with the remaining two transceivers. The transceiver unit 101 and the second receiving circuit 1021 of the module 100 are connected in one-to-one correspondence. It can be understood that the setting principle of the second switching device 220 in this embodiment is similar to the setting principle of the second switching device 220 in the embodiment of FIG. 9 , and thus will not be repeated here.

In one embodiment, each device in the RF PA Mid device 10 as shown in FIG. 17 can be integrated and packaged in the same package module, and FIG. 18 is the packaging structure of the RF PA Mid device 10 in the embodiment of FIG. 17 . In the schematic diagram, as shown in FIG. 18 , each pin in the RF PA Mid device 10 (packaged chip) corresponds to a plurality of ports configured in the RF PA Mid device 10 one-to-one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 17 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 19 is a fifth structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 19 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10, two antennas, two combiners 30 and a radio frequency transceiver device 20.

In this embodiment, the RF PA Mid device 10 is configured with four antenna ports. Two antennas are used to send and receive RF signals. A first end of one of the combiners 30 is connected to a second end of the second switching device 220 through an antenna port ANT1, and the other first end of the combiner 30 is connected to another first end of the combiner 30. The antenna port ANT3 is connected to the other second end of the first switching device 210, and the two first ends of the other combiner 30 correspond to the remaining two antenna ports ANT2 and ANT4 in one-to-one correspondence respectively. For connection, the second ends of the two combiners 30 are respectively connected to the two antennas in a one-to-one correspondence. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in FIG. 19 , the SRS polling control principle of the radio frequency transceiver system is specifically analyzed. Table 5 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20 device; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; The DPDT switch of the second switching device 220; the DPDT switch is switched to the ANT1 port, and is connected to the combiner 30 through the Path1 path; Via the Path2 path, to the combiner 30; via the combiner 30 to combine, to the output of the antenna ANT1 to realize the SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 5, and will not be repeated here.

Table 5 1T2R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1Path1	Path3Path3	Path3Path3
Channel1Channel1	Path2Path2	Path4Path4	Path4Path4

FIG. 20 is the third structural block diagram of the three-band dual-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 20 , in this embodiment, the third switching device 230 includes six first ends, and the transceiver The module 100 further includes a second receiving circuit 1021 , the second receiving circuit 1021 is correspondingly connected to one of the receiving ports, and the six first ends of the third switching device 230 are respectively connected with the three receiving ports of the transceiver modules 100 . The transceiver unit 101 and the second receiving circuit 1021 are connected in one-to-one correspondence. It can be understood that the setting principle of the third switching device 230 in this embodiment is similar to the setting principle of the third switching device 230 in the embodiment of FIG. 12 , so it is not repeated here.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 20 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 21 is a sixth structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 21 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10 , two antennas, and a radio frequency transceiver 20 .

In this embodiment, the RF PA Mid device 10 is configured with two antenna ports. The two antennas are respectively connected to the two antenna ports in a one-to-one correspondence, and are used for sending and receiving radio frequency signals. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in Figure 21, the SRS round-robin control principle of the radio frequency transceiver system is specifically analyzed. Table 6 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmitted signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; The DP6T switch of the three-switch device 230; the DP6T switch is switched to the contact 7, to the ANT1 port; via the Path1 path, to the antenna ANT0 output to realize the SRS function; the DP6T switch is switched to the contact 8, to the ANT2 port; via the Path2 path, to the Antenna ANT1 output, realize SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 6, which will not be repeated here.

Table 6 1T2R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1Path1	Path1Path1	Path1Path1
Channel1Channel1	Path2Path2	Path2Path2	Path2Path2

Further, taking N41 as an example, continue to analyze the working principle of the radio frequency signal transmission and reception of the radio frequency transceiver system shown in Figure 21 as follows:

TX channel: the transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; the SPDT switch is switched, and passes through the filter 310 , to the DP6T switch of the third switching device 230; the DP6T switch is switched to the contact 7, to the ANT1 port; via the Path1 path, to the antenna ANT0 output;

PRX path: the received signal enters from the antenna ANT0, and goes through the Path1 path to the ANT1 port; the DP6T switch switches to contact 1, passes through the filter 310, and goes to the SPDT switch; the SPDT switch switches to the receiving path, and after being amplified by the low noise amplifier 1014, To PRX_N41 port; from SDR PRX7 port to RF transceiver 20;

DRX path: the received signal enters from the antenna ANT1, and goes through the Path2 path to the ANT2 port; the DP6T switch is switched to the contact 2, filtered by the filter 310 and amplified by the low noise amplifier 1014, and then sent to the DRX_N41 port; from the SDR DRX7 port into the RF transceiver device 20.

22 is one of the structural block diagrams of the three-band four-channel radio frequency PA Mid device 10 according to an embodiment, wherein the three-band four-channel radio frequency PA Mid device 10 means that the radio frequency PA Mid device 10 supports radio frequency signals of three frequency bands. Send and receive, and set four receive channels and one transmit channel for each frequency band. Referring to FIG. 22 , in this embodiment, the first switching device 210 includes eight first terminals, the transceiver module 100 further includes three second receiving circuits 1021 , and each second receiving circuit 1021 of the first transceiver module 110 includes eight first terminals. The receiving circuit 1021 is respectively connected to one of the antenna ports and one of the receiving ports, and the eight first ends of the first switching device 210 are respectively connected to the remaining two transceiver units 101 and three of the transceiver modules 100 . The second receiving circuits 1021 are connected in one-to-one correspondence.

In one of the embodiments, each device in the RF PA Mid device 10 as shown in FIG. 22 can be integrated and packaged in the same package module, and FIG. 23 is the packaging structure of the RF PA Mid device 10 in the embodiment of FIG. 22 . In the schematic diagram, as shown in FIG. 23 , each pin in the RF PA Mid device 10 (packaged chip) corresponds to a plurality of ports configured in the RF PA Mid device 10 one-to-one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 22 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 24 is a seventh structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 24 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10, a seventh switch device 53, four antennas, and four combiners. 30 and a radio frequency transceiver 20.

In this embodiment, the RF PA Mid device 10 is configured with eight antenna ports. The seventh switch device 53 includes four first ends and four second ends, and the four first ends of the seventh switch device 53 are respectively connected to the first transceiver module 110 via the corresponding antenna ports . Four antennas are used to send and receive RF signals. The two first ends of each of the combiners 30 are respectively connected to one first end of the seventh switching device 53 and one of the remaining four antenna ports, for example, two of one combiner 30 The first ends are respectively connected with a first end of the seventh switching device 53 and the antenna port ANT9 in a one-to-one correspondence, and the second ends of the four combiners 30 are respectively connected with the four antennas in a one-to-one correspondence. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in FIG. 24, the SRS round-robin control principle of the radio frequency transceiver system is specifically analyzed. Table 7 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20 device; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; ANT1 port; via Path1 path, to SP4T switch; SP4T switch to Path2, via combiner 30, to antenna ANT0 output to realize SRS function; SP4T switch to Path3, to SPDT switch in seventh switch device 53; seventh switch The SPDT switch in the device 53 is switched to Path6, and is output by the antenna ANT1 through the combiner 30 to realize the SRS function; SP4T is switched to Path4, and is switched to the SPDT switch in the seventh switching device 53; The SPDT switch in the seventh switching device 53 Switch to Path7, through the combiner 30, to the output of the antenna ANT2 to realize the SRS function; SP4T is switched to Path5, to the SPDT switch in the seventh switching device 53; The SPDT switch in the seventh switching device 53 is switched to Path8, after the combination The router 30 is output to the antenna ANT3 to realize the SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 7, and will not be repeated here.

Table 7 1T4R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1->Path2Path1->Path2	Path9Path9	Path9Path9
Channel1Channel1	Path1->Path3->Path6Path1->Path3->Path6	Path10Path10	Path10Path10
Channel2Channel2	Path1->Path4->Path7Path1->Path4->Path7	Path11Path11	Path11Path11
Channel3Channel3	Path1->Path5->Path8Path1->Path5->Path8	Path12Path12	Path12Path12

FIG. 25 is the second structural block diagram of the three-band four-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 25 , in this embodiment, the first switching device 210 includes eight first terminals, and the first switching device 210 includes eight first terminals. The two-switch device 220 includes four first ends and four second ends, and the transceiver module 100 further includes three second receiving circuits 1021 , each of which is connected to one of the receiving ports, respectively. The four first ends of the second switching device 220 are respectively connected to the transceiver unit 101 of the first transceiver module 110 and the three second receiving circuits 1021 in a one-to-one correspondence. One end is respectively connected with the remaining two transceiver units 101 of the transceiver module 100 and the three second receiving circuits 1021 in a one-to-one correspondence. It can be understood that the setting principle of the second switching device 220 in this embodiment is similar to the setting principle of the second switching device 220 in the embodiment of FIG. 9 , and thus will not be repeated here.

In one embodiment, each device in the radio frequency PA Mid device 10 shown in FIG. 25 can be integrated and packaged in the same package module, and FIG. 26 is the packaging structure of the radio frequency PA Mid device 10 in the embodiment of FIG. 25 . In the schematic diagram, as shown in FIG. 26 , each pin in the RF PA Mid device 10 (package chip) corresponds to a plurality of ports configured in the RF PA Mid device 10 one-to-one.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 25 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 27 is the eighth structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 27 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10, four antennas, four combiners 30, and a radio frequency transceiver device 20.

In this embodiment, the RF PA Mid device 10 is configured with eight antenna ports. Four antennas are used to send and receive RF signals. A first end of each of the combiners 30 is respectively connected to a second end of the first switching device 210 through an antenna port in a one-to-one correspondence, and the other first end of each of the combiners 30 is respectively connected to The other antenna port is connected to the other second end of the second switching device 220 in a one-to-one correspondence. Exemplarily, the two first ends of a combiner 30 are respectively in a one-to-one correspondence with the antenna port ANT1 and the antenna port ANT5 connected so as to be connected to the first switching device 210 and the second switching device 220 . The second ends of the four combiners 30 are respectively connected to the four antennas in a one-to-one correspondence. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in Figure 27, the SRS round-robin control principle of the radio frequency transceiver system is specifically analyzed. Table 8 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmitted signal is output from the TX1HB2 port of the radio frequency transceiver 20 device; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; The 4P4T switch of the second switching device 220; the 4P4T switch is switched to Path1, through the combiner 30, to the antenna ANT0 output to realize the SRS function; the 4P4T switch is switched to Path2, through the combiner 30, to the antenna ANT1 output to realize the SRS function ; 4P4T switch is switched to Path3, through combiner 30, to antenna ANT2 output to realize SRS function; 4P4T switch is switched to Path4, through combiner 30, to antenna ANT3 output to achieve SRS function.

It can be understood that the working principle of the SRS of the N77 and N79 can be referred to in Table 8, and will not be repeated here.

Table 8 1T4R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1Path1	Path5Path5	Path5Path5
Channel1Channel1	Path2Path2	Path6Path6	Path6Path6
Channel2Channel2	Path3Path3	Path7Path7	Path7Path7
Channel3Channel3	Path4Path4	Path8Path8	Path8Path8

FIG. 28 is the third structural block diagram of the three-band four-channel radio frequency PA Mid device 10 according to an embodiment. Referring to FIG. 28 , in this embodiment, the third switching device 230 includes twelve first terminals, and the The transceiver module 100 further includes three second receiving circuits 1021, each of the second receiving circuits 1021 is respectively connected to one of the receiving ports, and the twelve first ends of the third switching device 230 are respectively connected to the three receiving ports. The transceiver unit 101 and the three second receiving circuits 1021 of the transceiver module 100 are connected in one-to-one correspondence. It can be understood that the setting principle of the third switching device 230 in this embodiment is similar to the setting principle of the third switching device 230 in the embodiment of FIG. 12 , so it is not repeated here.

Based on the aforementioned radio frequency PA Mid device 10 in FIG. 28 , an embodiment of the present application further provides a radio frequency transceiver system. Specifically, FIG. 29 is a ninth structural block diagram of a radio frequency transceiver system according to an embodiment. Referring to FIG. 29 , the radio frequency transceiver system includes the above-mentioned radio frequency PA Mid device 10 , four antennas, and a radio frequency transceiver 20 .

In this embodiment, the RF PA Mid device 10 is configured with four antenna ports. The four antennas are respectively connected with the four antenna ports in a one-to-one correspondence, and are used for sending and receiving radio frequency signals. The radio frequency transceiver 20 is connected to the transmit port and the receive port of the radio frequency PA Mid device 10, respectively.

Based on the radio frequency transceiver system shown in FIG. 29 , the SRS polling control principle of the radio frequency transceiver system is analyzed in detail. Table 9 is the detailed SRS path configuration table of the radio frequency PA Mid device 10 of this embodiment. SRS works as follows:

The transmitted signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; The 4P12T switch of the three-switch device 230; the 4P12T switch of the third switch device 230 is switched to the ANT1 port, and is output to the antenna ANT0 via Path1 to realize the SRS function; the 4P12T switch of the third switch device 230 is switched to the ANT2 port, and the The antenna ANT1 is output to realize the SRS function; the 4P12T switch of the third switching device 230 is switched to the ANT3 port, and is output to the antenna ANT2 through Path3 to realize the SRS function; Antenna ANT3 output, realize SRS function.

It can be understood that the working principle of the SRS of N77 and N79 can be referred to in Table 9, which will not be repeated here.

Table 9 1T4R SRS detailed path configuration table

	N41N41	N77N77	N79N79
Channel0Channel0	Path1Path1	Path1Path1	Path1Path1
Channel1Channel1	Path2Path2	Path2Path2	Path2Path2
Channel2Channel2	Path3Path3	Path3Path3	Path3Path3
Channel3Channel3	Path4Path4	Path4Path4	Path4Path4

Further, taking N41 as an example, continue to analyze the working principle of the radio frequency signal transmission and reception of the radio frequency transceiver system shown in Figure 29 as follows:

TX channel: the transmit signal is output from the TX1HB2 port of the radio frequency transceiver 20; it enters the radio frequency PA Mid device 10 from the RFIN1 port, and after being amplified by the power amplifier 1015, goes to the SPDT switch of the fourth switching device 1013; the SPDT switch is switched, and passes through the filter 310 , to the 4P12T switch of the third switching device 230; the 4P12T switch of the third switching device 230 is switched to the ANT1 port, and is output to the antenna ANT0 via the Path1 path;

PRX path: the received signal enters from the antenna ANT0, goes through the Path1 path, and goes to the ANT1 port; the 4P12T switch of the third switching device 230 switches to contact 1, passes through the filter 310, to the SPDT switch; the SPDT switch switches to the receive path, and passes through the low After the noise amplifier 1014 is amplified, it is sent to the PRX1_N41 port; it enters the RF transceiver 20 from the SDR PRX7 port;

DRX path: the received signal enters from the antenna ANT1 and goes through the Path2 path to the ANT2 port; the 4P12T switch of the third switching device 230 is switched to the contact 2, filtered by the filter 310 and amplified by the low noise amplifier 1014, and then sent to the DRX1_N41 port; from The SDR DRX7 port enters the RF transceiver 20;

PRX MIMO path: the received signal enters from the antenna ANT2 and goes through the Path3 path to the ANT3 port; the 4P12T switch of the third switching device 230 is switched to the contact 3, filtered by the filter 310 and amplified by the low noise amplifier 1014, and then sent to the PRX2_N41 port; Enter the RF transceiver 20 from the SDR PRX5 port;

DRX MIMO path: the received signal enters from the antenna ANT3 and goes through the Path4 path to the ANT4 port; the 4P12T switch of the third switching device 230 is switched to the contact 4, filtered by the filter 310 and amplified by the low noise amplifier 1014, to the DRX2_N41 port; Enter the RF transceiver 20 from the SDR DRX5 port.

Embodiments of the present application also provide a communication device, including the above-mentioned radio frequency transceiver system.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several implementations of the embodiments of the present application, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be noted that, for those of ordinary skill in the art, without departing from the concept of the embodiments of the present application, several modifications and improvements can be made, which all belong to the protection scope of the embodiments of the present application. Therefore, the protection scope of the patent in the embodiments of the present application shall be subject to the appended claims.

Claims

A radio frequency PA Mid device configured with multiple transmit ports and multiple receive ports for connecting a radio frequency transceiver, and multiple antenna ports for connecting an antenna, the radio frequency PA Mid device comprising:

three transceiver modules, each of which is connected to a transmitting port and at least one receiving port respectively, and the three transceiver modules are respectively used for one-to-one correspondence supporting the transceiver of radio frequency signals of three different frequency bands;

The switch circuit includes a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit are respectively connected with at least part of the antenna ports in a one-to-one correspondence, and at least two first ends of the switch circuit are respectively connected with At least two of the transceiver modules are connected in a one-to-one correspondence, and the switch circuit is used for selectively conducting the radio frequency channel between the transceiver module and the antenna port.
The radio frequency PA Mid device according to claim 1, the transceiver module comprises:

A transceiver unit, two first ends of the transceiver unit are respectively connected with the receiving port and the transmitting port in a one-to-one correspondence, and the second end of the transceiver unit is connected with the antenna port or via the switch The circuit is connected to the antenna port, and the transceiver unit is used to support single-channel transmission and reception of radio frequency signals.
The radio frequency PA Mid device according to claim 2, wherein the three transceiver modules are defined as a first transceiver module, a second transceiver module and a third transceiver module, and the switch circuit comprises:

a first switch device, the first switch device includes at least two first ends and a plurality of second ends, a first end of the switch circuit is connected to the transceiver unit of the second transceiver module, the switch circuit The other first end of the first switch is connected to the transceiver unit of the third transceiver module, and a plurality of second ends of the first switch device are respectively connected to some of the antenna ports in a one-to-one correspondence;

The remaining antenna ports are connected to the transceiver unit of the first transceiver module.
The radio frequency PA Mid device according to claim 3, the switch circuit further comprises:

a second switch device, the second switch device includes at least one first end and a plurality of second ends, a first end of the second switch device is connected to the transceiver unit of the first transceiver module, the first end The plurality of second ends of the two switching devices are respectively connected to the other part of the antenna ports in a one-to-one correspondence.
The radio frequency PA Mid device according to claim 2, wherein the three transceiver modules are defined as a first transceiver module, a second transceiver module and a third transceiver module, and the switch circuit comprises:

A third switch device, the third switch device includes at least three first ends and a plurality of second ends, and the three first ends of the third switch circuit are respectively connected with the transceiver unit, The transceiver unit of the second transceiver module is connected to the transceiver unit of the third transceiver module, and the plurality of second ends of the first switch device are respectively connected to the plurality of the antenna ports in a one-to-one correspondence.
The radio frequency PA Mid device according to claim 3, wherein the first switching device comprises four first ends, and the transceiver module further comprises:

A second receiving circuit, the second receiving circuit of the first transceiver module is respectively connected to one of the antenna ports and one of the receiving ports, and the four first ends of the first switch device are respectively connected to the remaining two. The transceiver units and the second receiving circuits of the transceiver modules are connected in a one-to-one correspondence.
The radio frequency PA Mid device according to claim 4, wherein the first switching device includes four first ends, the second switching device includes two first ends, and the transceiver module further includes:

A second receiving circuit, the second receiving circuit is correspondingly connected to one of the receiving ports, and the two first ends of the second switching device are respectively connected to the transceiver unit of the first transceiver module and the second receiving circuit. In a corresponding connection, the four first ends of the first switching device are respectively connected with the transceiver units and the second receiving circuits of the remaining two transceiver modules in a one-to-one correspondence.
The radio frequency PA Mid device according to claim 5, wherein the third switching device comprises six first ends, and the transceiver module further comprises:

A second receiving circuit, the second receiving circuit is correspondingly connected to one of the receiving ports, and the six first ends of the third switching device are respectively connected to the transceiver units of the three transceiver modules and the second receiving circuit. A corresponding connection.
The radio frequency PA Mid device according to claim 3, wherein the first switching device comprises eight first ends, and the transceiver module further comprises:

Three second receiving circuits, each second receiving circuit of the first transceiver module is respectively connected to one of the antenna ports and one of the receiving ports, and the eight first ends of the first switching device are respectively connected to the remaining The two transceiver units of the transceiver module and the three second receiving circuits are connected in one-to-one correspondence.
The radio frequency PA Mid device according to claim 4, wherein the first switching device includes eight first ends, the second switching device includes four first ends, and the transceiver module further includes:

Three second receiving circuits, each of which is respectively connected to one of the receiving ports, and the four first ends of the second switching device are respectively connected to the transceiver unit, three The second receiving circuits are connected in a one-to-one correspondence, and the eight first ends of the first switching device are respectively connected with the transceiver units of the remaining two transceiver modules and the three second receiving circuits in a one-to-one correspondence.
The radio frequency PA Mid device according to claim 5, the third switching device comprises twelve first ends, and the transceiver module also comprises:

Three second receiving circuits, each of the second receiving circuits is respectively connected to one of the receiving ports, and the twelve first ends of the third switching device are respectively connected to the transceiver units, three The second receiving circuits are connected in one-to-one correspondence.
The radio frequency PA Mid device according to any one of claims 2 to 11, wherein the transceiver unit comprises:

a transmitting circuit, the input end of the transmitting circuit is connected with the transmitting port, the output end of the transmitting circuit is connected with the antenna port or connected with the antenna port through the switch circuit, and the transmitting circuit is used for receiving RF signal, and amplify the received RF signal;

A first receiving circuit, an input end of the first receiving circuit is connected to the antenna port or connected to the antenna port through the switch circuit, and an output end of the first receiving circuit is connected to one of the receiving ports.
The radio frequency PA Mid device according to claim 12, the transceiver unit further comprises:

a fourth switching device, comprising two first ends and a second end, the two first ends of the fourth switching device are respectively connected with the output end of the transmitting circuit and the input end of the first receiving circuit one by one Correspondingly, the second end of the fourth switch device is connected to the antenna port or connected to the antenna port via the switch circuit.
The radio frequency PA Mid device according to any one of claims 2 to 11, further comprising;

A plurality of filter units, each of the transceiver units is respectively connected to one of the antenna ports or to a first end of the switch circuit through one of the filter units.
The radio frequency PA Mid device according to any one of claims 3 to 11, wherein the first transceiver module is used to support the transmission and reception of radio frequency signals of the N41 frequency band, and the second transceiver module is used to support the transmission and reception of radio frequency signals of the N77 frequency band. The third transceiver module is used to support the transmission and reception of radio frequency signals in the N79 frequency band.
The radio frequency PA Mid device according to any one of claims 1 to 11, further configured with a coupling output port, the radio frequency PA Mid device further comprising:

A coupling circuit, arranged on the transmission channel between the transmission port and the antenna port, is used for coupling the radio frequency signal transmitted by the transmission channel, so as to output the coupling signal through the coupling end of the coupling circuit, the coupling signal for transmission to the coupling-out port.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 3, the radio frequency PA Mid device being configured with five antenna ports;

a fifth switch device, the fifth switch device includes one first end and four second ends, and the first end of the fifth switch device is connected to one of the antenna ports;

Four antennas for sending and receiving RF signals;

three receiving modules, each of which is respectively connected to a second end of the fifth switching device and one of the remaining four antenna ports;

Four combiners, two first ends of one of the combiners are respectively connected to the remaining second end of the fifth switching device and the remaining one of the antenna ports, and the remaining combiners are respectively connected The first ends of the combiners are respectively connected with one of the receiving modules, and the second ends of the four combiners are respectively connected with the four antennas in one-to-one correspondence;

The radio frequency transceiver is respectively connected with the receiving module, the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 4 or 5, the radio frequency PA Mid device being configured with eight antenna ports;

Four antennas for sending and receiving RF signals;

three receiving modules, each of which is respectively connected to two of the eight antenna ports;

Four combiners, the two first ends of one of the combiners are respectively connected to the remaining two antenna ports, and the first ends of the remaining combiners are respectively corresponding to one of the receivers module connection, the second ends of the four combiners are respectively connected with the four antennas in one-to-one correspondence;

The radio frequency transceiver is respectively connected with the receiving module, the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 6, the radio frequency PA Mid device being configured with four antenna ports;

a sixth switch device, the sixth switch device includes two first ends and two second ends, and the two first ends of the sixth switch device are respectively connected to the first ends via the corresponding antenna ports transceiver module;

Two antennas for sending and receiving RF signals;

Two combiners, the two first ends of each of the combiners are respectively connected to a second end of the sixth switching device and one of the remaining two antenna ports, and the two The second ends are respectively connected with the two antennas in a one-to-one correspondence;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 7, the radio frequency PA Mid device being configured with four antenna ports;

Two antennas for sending and receiving RF signals;

Two combiners, a first end of one of the combiners is connected to a second end of the second switching device through an antenna port, and the other first end of the combiner is connected through another One of the antenna ports is connected to the other second end of the first switching device, and the two first ends of the other combiner are respectively connected to the remaining two antenna ports in a one-to-one correspondence. The second ends of the combiner are respectively connected with the two antennas in a one-to-one correspondence;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 8, the radio frequency PA Mid device being configured with two antenna ports;

two antennas, respectively connected to the two antenna ports in a one-to-one correspondence, for sending and receiving radio frequency signals;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 9, the radio frequency PA Mid device being configured with eight antenna ports;

a seventh switch device, the seventh switch device includes four first ends and four second ends, and the four first ends of the seventh switch device are respectively connected to the first ends through the corresponding antenna ports transceiver module;

Four antennas for sending and receiving RF signals;

Four combiners, the two first ends of each of the combiners are respectively connected to one first end of the seventh switching device and one of the remaining four antenna ports, and the four The second ends are respectively connected with the four antennas in one-to-one correspondence;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 10, the radio frequency PA Mid device being configured with eight antenna ports;

Four antennas for sending and receiving RF signals;

Four combiners, a first end of each of the combiners is connected to a second end of the first switching device through an antenna port in a one-to-one correspondence, and another first end of each of the combiners The ends are respectively connected with the other second ends of the second switching device through another antenna port in a one-to-one correspondence, and the second ends of the four combiners are respectively connected with the four antennas in a one-to-one correspondence;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A radio frequency transceiver system, comprising:

The radio frequency PA Mid device of claim 11 , the radio frequency PA Mid device being configured with four antenna ports;

Four antennas, respectively connected with the four antenna ports in a one-to-one correspondence, for sending and receiving radio frequency signals;

The radio frequency transceiver is respectively connected with the transmitting port and the receiving port of the radio frequency PA Mid device.
A communication device comprising the radio frequency transceiver system as claimed in any one of claims 17 to 24.