CN113676207B

CN113676207B - Transmitting module, radio frequency system and communication equipment

Info

Publication number: CN113676207B
Application number: CN202110927242.5A
Authority: CN
Inventors: 陈锋; 仝林
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-12-27
Anticipated expiration: 2041-08-12
Also published as: WO2023016209A1; CN113676207A

Abstract

The application provides a transmitting module, a radio frequency system and communication equipment, wherein the transmitting module is used for transmitting various signals such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target intermediate-frequency signal and a target intermediate-high-frequency signal by arranging a medium-high frequency transmitting and receiving port, a target intermediate-frequency transmitting port, a medium-high frequency antenna multiplexing port, a low-frequency antenna multiplexing port and a target low-frequency transmitting and receiving port to be matched with corresponding amplifying circuits and selection switches; meanwhile, the first power information and the second power information are respectively detected through the first coupler and the second coupler, the power information to be output is selected by the fifth selector switch to be output through the coupling single port, the purpose of signal power detection is achieved, and the functions of the transmitting module are enriched.

Description

Transmitting module, radio frequency system and communication equipment

Technical Field

The present application relates to the field of antenna technologies, and in particular, to a transmitting module, a radio frequency system, and a communication device.

Background

The current commonly used transmitting module comprises a low-frequency amplifying circuit, a high-frequency amplifying circuit and a selective switch, wherein the low-frequency amplifying circuit is used for power amplification of GSM low-frequency signals, the high-frequency amplifying circuit is used for power amplification of GSM high-frequency signals, and the selective switch at the front end is used for access of 3G/4G/5G signals except a GSM network. The current transmitting module only supports the connection combination of GSM signal power amplification and 3G/4G/5G signals, and has single function.

Disclosure of Invention

The embodiment of the application provides a transmitting module, a radio frequency system and communication equipment, which can improve the integration level of devices and reduce the cost.

In a first aspect, the present application provides a transmission module, including:

the medium-high frequency amplification circuit is configured to receive a global system for mobile communications (GSM) high-frequency transmission signal of a radio frequency transceiver through the first selection switch, amplify the GSM high-frequency transmission signal, and output the GSM high-frequency transmission signal to the medium-high frequency antenna multiplexing port through the second selection switch, the first filter, the noise reduction unit, the third selection switch and the first coupler; or, the first selection switch is configured to receive a target intermediate frequency transmission signal of the radio frequency transceiver, amplify the target intermediate frequency transmission signal, and output the target intermediate frequency transmission signal to a target intermediate frequency transmission port through the second selection switch, where the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any one of a third-generation 3G network, a fourth-generation 4G network, and a fifth-generation 5G network;

and the GSM low-frequency amplification circuit is configured to receive the GSM low-frequency transmission signal of the radio frequency transceiver, amplify the GSM low-frequency transmission signal, and output the amplified GSM low-frequency transmission signal to the low-frequency antenna multiplexing port through the second filter, the fourth selection switch and the second coupler.

It can be seen that, in the embodiment of the application, the transmitting module supports processing of radio frequency signals in any frequency band of low frequency, intermediate frequency, high frequency and ultrahigh frequency, and the low-frequency amplifying circuit and the target amplifying circuit are independently powered, so that the target amplifying circuit is any one of the intermediate-frequency amplifying circuit, the high-frequency amplifying circuit and the ultrahigh-frequency amplifying circuit, and therefore the low-frequency signals and other signals can be transmitted simultaneously, the MMPA can output two paths of signals simultaneously to support amplification of 4G LTE signals and 5G NR signals, and EN-DC of the 4G LTE signals and the 5G NR signals is realized. Meanwhile, the transmitting module supports the SRS function of 4 antennas and supports the receiving processing of one path of ultrahigh frequency signals, the radio frequency front end architecture is simplified, in addition, the antenna multiplexing port supports the common antenna of the ultrahigh frequency signals and the high frequency signals, and compared with the externally-arranged switch circuit for de-combination, the cost and the layout area are saved so as to realize the corresponding function, and the circuit insertion loss is reduced.

In a second aspect, the present application provides a transmitter module, comprising:

the selective amplification sub-module is used for selectively receiving the GSM high-frequency transmitting signal from the radio frequency transceiver, amplifying the GSM high-frequency transmitting signal and outputting the GSM high-frequency transmitting signal to a medium-high frequency antenna multiplexing port; or, the target intermediate frequency transmitter is configured to selectively receive a target intermediate frequency transmission signal from the radio frequency transceiver, amplify the target intermediate frequency transmission signal, and output the target intermediate frequency transmission signal to a target intermediate frequency transmission port, where the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any one of a 3G network, a 4G network, and a 5G network;

and the GSM low-frequency amplification unit is used for receiving the GSM low-frequency transmitting signal from the radio frequency transceiver, amplifying the GSM low-frequency transmitting signal and outputting the GSM low-frequency transmitting signal to the low-frequency antenna multiplexing port.

In a third aspect, the present application provides a transmitting module configured with a GSM high-frequency receiving port for receiving a GSM high-frequency transmitting signal of a radio frequency transceiver, a target intermediate-frequency receiving port for receiving a target intermediate-frequency transmitting signal of the radio frequency transceiver, a GSM low-frequency receiving port for receiving a GSM low-frequency transmitting signal of the radio frequency transceiver, a medium-high-frequency antenna multiplexing port for transmitting the GSM high-frequency transmitting signal/target intermediate-frequency transmitting signal/target medium-high-frequency signal, and a low-frequency antenna multiplexing port for transmitting the GSM low-frequency transmitting signal or target low-frequency signal, a target intermediate-frequency transmitting port for transmitting the target intermediate-frequency transmitting signal, a medium-high-frequency transmitting/receiving port for receiving or transmitting the target medium-high-frequency signal, a target low-frequency transmitting/receiving port for receiving or transmitting the target low-frequency signal, and a coupling port for transmitting first power information or second power information generated by the transmitting module, the target intermediate frequency transmitting signal is a target intermediate frequency signal, the target intermediate frequency signal includes the target intermediate frequency signal or a target high frequency signal, the target high frequency signal includes a high frequency signal of any one of the 3G network, the 4G network and the 5G network, the target intermediate frequency signal includes an intermediate frequency signal of any one of the 3G network, the 4G network and the 5G network, and the target low frequency signal includes a low frequency signal of any one of the 3G network, the 4G network and the 5G network; the transmission module includes:

a first selection switch which is an SPDT switch, wherein one T port of the first selection switch is connected to the GSM high-frequency receiving port, and the other T port of the first selection switch is connected to the target intermediate-frequency receiving port, and is used for selectively receiving the GSM high-frequency transmitting signal or the target intermediate-frequency transmitting signal;

the medium-high frequency amplifying circuit is connected with the P port of the first selector switch and is used for amplifying the received GSM high-frequency transmitting signal or the target medium-frequency transmitting signal;

the second selection switch is an SPXT switch, X is an integer greater than 1, a P port of the SPXT switch is connected with the output end of the medium-high frequency amplification circuit, a first T port is sequentially connected with a first filter, a noise reduction unit, a third selection switch, a first coupler and the medium-high frequency antenna multiplexing port and used for outputting the GSM high-frequency transmitting signal to the medium-high frequency antenna multiplexing port, and second to Xth T ports are connected with the target medium-frequency transmitting ports in a one-to-one correspondence manner and used for outputting the target medium-frequency transmitting signal to any target medium-frequency transmitting port;

the third selection switch is a SPYT switch, Y is an integer greater than 1, a P port of the SPYT switch is connected with the first end of the first coupler, a first T port is connected with the noise reduction unit, and second to Y T ports are connected with the medium-high frequency transceiving ports of the transmitting module in a one-to-one correspondence manner;

the GSM low-frequency amplifying circuit is connected with the GSM low-frequency receiving port and is used for amplifying the received GSM low-frequency transmitting signal;

the first end of the second filter is connected with the output end of the GSM low-frequency amplifying circuit and is used for filtering the GSM low-frequency transmitting signal;

a fourth selection switch which is an SPZT switch, wherein Z is an integer larger than 1, a first T port of the SPZT switch is connected with a second end of the second filter, second to Z-th T ports are connected with the target low-frequency transceiving ports in a one-to-one correspondence manner, and a P port is connected with a first end of the second coupler;

a fifth selection switch, which is an SPDT switch, and one T port of the fifth selection switch is connected to the second end of the first coupler, and the other T port is connected to the second end of the second coupler, for selecting to receive first power information of at least one of the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target medium-frequency transmission signal from the first coupler or receive second power information of the GSM low-frequency transmission signal/the target low-frequency signal from the second coupler, and a P port of the fifth selection switch is connected to the coupling port, for outputting the first power information or the second power information through the coupling port;

a third end of the first coupler is connected with the medium-high frequency antenna multiplexing port, and is used for detecting first power information of at least one signal of the GSM high-frequency transmitting signal, the target medium-high frequency signal and the target medium-frequency transmitting signal and outputting the first power information through the fifth selector switch and the coupling port in sequence;

and a third end of the second coupler is connected with the low-frequency antenna multiplexing port, and is used for detecting second power information of the GSM low-frequency transmitting signal/the target low-frequency signal and outputting the second power information sequentially through the fifth selector switch and the coupling port.

In a fourth aspect, the present application provides a radio frequency system, comprising:

a radio frequency transceiver;

the transmitting module set according to any one of the first to third aspects, wherein the transmitting module set is connected with the radio frequency transceiver;

an antenna group, comprising at least:

the first antenna unit is connected with a medium-high frequency antenna multiplexing port of the transmitting module;

the second antenna unit is connected with the low-frequency antenna multiplexing port of the transmitting module;

and the third antenna unit is connected with a target intermediate frequency sending port of the transmitting module.

In a fifth aspect, the present application provides a radio frequency system, comprising:

a radio-frequency transceiver for receiving and transmitting radio-frequency signals,

the transmitting module set according to the first to third aspects, the transmitting module set being connected to the rf transceiver;

a multi-mode multi-band power amplifier MMPA module;

the MMPA supports a target signal, the target signal comprising any one of: the target low-frequency signal is a low-frequency signal of any one of a 3G network, a 4G network and a 5G network, the target intermediate-frequency signal is an intermediate-frequency signal of any one of the 3G network, the 4G network and the 5G network, the target high-frequency signal is a high-frequency signal of any one of the 3G network, the 4G network and the 5G network, and the target ultrahigh-frequency signal is an ultrahigh-frequency signal of the 5G network;

the transmitting module and the MMPA module are configured to support dual-connection ENDC of a 4G network and a 5G network between a first frequency band and a second frequency band, wherein the first frequency band is a frequency band to which a target intermediate frequency signal supported by the transmitting module belongs, and the second frequency band is a frequency band to which the target signal supported by the MMPA module belongs.

In a sixth aspect, the present application provides a communication device comprising:

the radio frequency system according to the fourth and fifth aspects.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1A is a block diagram of a prior art RF system;

FIG. 1B is a schematic diagram of a transmitting module in the prior art;

fig. 2 is a schematic diagram of a frame of a transmitting module according to an embodiment of the present disclosure;

fig. 3 is a schematic diagram of a frame of another transmitting module according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of a frame of another transmitting module according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a frame of another transmitting module according to an embodiment of the present disclosure;

fig. 6 is a schematic diagram of a frame of another transmitting module according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of a frame of another transmitting module according to an embodiment of the present disclosure;

fig. 8 is a schematic diagram of a framework of a radio frequency system 1 according to an embodiment of the present application;

fig. 9 is a schematic block diagram of another radio frequency system 1 according to an embodiment of the present application;

fig. 10 is a schematic block diagram of another radio frequency system 1 according to an embodiment of the present application;

fig. 11 is a schematic diagram of a frame of another radio frequency system 1 according to an embodiment of the present application;

fig. 12 is a schematic frame diagram of a communication device a according to an embodiment of the present application;

fig. 13 is a schematic frame diagram of a mobile phone according to an embodiment of the present application.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and in the accompanying drawings, preferred embodiments of the present application are set forth. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. This application is capable of implementation in many other ways than those herein described and of similar modifications by one of ordinary skill in the art without departing from the spirit and scope of the present application and is therefore not limited to the specific embodiments disclosed below.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present application, "a number" means at least one, such as one, two, etc., unless specifically limited otherwise.

The radio frequency system according to the embodiment of the present application may be applied to a communication device having a wireless communication function, where the communication device may be a handheld device, a vehicle-mounted device, a wearable device, a computing device or other processing devices connected to a wireless modem, and various forms of User Equipment (UE) (e.g., a Mobile phone), a Mobile Station (MS), and the like. For convenience of description, the above-mentioned devices are collectively referred to as a communication device. The network devices may include base stations, access points, and the like.

As shown in fig. 1A, a commonly used rf system 1 for electronic devices such as mobile phones includes a transmitting module 10 (also called a TXM module), a multi-mode multi-band power amplifier MMPA module 1020, an rf transceiver 1010 and an antenna unit 1030, wherein the rf transceiver 1010 is connected to the MMPA module 1020 and the transmitting module 10, and the MMPA module 1020 and the transmitting module 10 are connected to the antenna unit 1030. The rf transceiver is configured to send or receive rf signals through signal paths of the MMPA module 1020 and the antenna unit 1030, or send or receive rf signals through the transmitting module 10 and the antenna unit 1030, and in addition, the MMPA module 1020 may also be connected to the transmitting module 10 to form a signal processing path so as to send or receive rf signals through a corresponding antenna.

As an example of a transmitter module 10 provided IN the embodiment of the present application shown IN fig. 1B, the transmitter module 10 is configured with a low frequency signal receiving port LB _ IN, a high frequency signal receiving port HB _ IN, a first transceiver port TRx1, a second transceiver port TRx2, a third transceiver port TRx3, a fourth transceiver port TRx4, a fifth transceiver port TRx5, a sixth transceiver port TRx6, a seventh transceiver port TRx7, an eighth transceiver port TRx8, a ninth transceiver port TRx9, a tenth transceiver port TRx10, an eleventh transceiver port TRx11, a twelfth transceiver port TRx12, a thirteenth transceiver port TRx13, a fourteenth transceiver port TRx14, a multiplexing antenna port ANT, a coupling port CPL, a power supply port VCC (9), a port SCLK (5), a port SDATA (6), a port VIO (7), a port VBATT (10), and a port VRAMP (8). The MMPA module 10 includes:

a Controller (COMS Power Amplifier Controller), a low-frequency Amplifier circuit PA1, a low-frequency input matching circuit Match1, a low-frequency matching circuit LB _ OUT, a high-frequency Amplifier circuit PA2, a high-frequency input matching circuit Match2, a high-frequency matching circuit HB _ OUT, a noise reduction unit ISM Notch, a selector switch ANTENNA SWITCH and a COUPLER DIRECTIONAL COUPLER;

the controller is respectively connected with the port SCLK (5), the port SDATA (6), the port VIO (7) and the port VBATT (10), receives a first mobile processor industrial interface BUS MIPI BUS control signal of the port SCLK and the port SDA, receives a second MIPI power supply signal of the VIO2 and receives a second bias voltage signal of the VBAT 2; a connection port VRAMP (8), a power supply port VCC (9), a power supply end of the low-frequency amplification circuit PA1, a power supply end of the high-frequency amplification circuit PA2 and a selection end of the selection switch ANTENNA SWITCH are connected, so that switching control of power supply and the selection switch ANTENNA SWITCH is realized;

the input end of the low-frequency amplification circuit PA1 is connected to the low-frequency signal receiving port LB _ IN through the low-frequency input matching circuit Match1, and the output end of the low-frequency amplification circuit PA1 is connected to the low-frequency matching circuit LB _ OUT, and is configured to receive and process a GSM low-frequency signal sent by a radio frequency amplifier;

the high frequency amplifier circuit PA2PA2, the input of high frequency amplifier circuit PA2PA2 passes through high frequency input matching circuit Match2 connects high frequency signal receiving port HB _ IN, the output of high frequency amplifier circuit PA2PA2 is connected high frequency matching circuit HB _ OUT for receive and handle the GSM high frequency signal that radio frequency amplifier sent.

The selector switch ANTENNA SWITCH is an SP16T switch, a P port of the SP16T switch is connected to a COUPLER directorial COUPLER, first to seventh T ports of the SP16T switch are connected to the first to seventh transmit-receive ports TRx1 to TRx7 in a one-to-one correspondence manner, an eighth T port of the SP16T switch is connected to an output end of the noise reduction unit ISM Notch, a ninth T port of the SP16T switch is connected to an output end of the low-frequency matching circuit LB _ OUT, tenth to sixteenth T ports of the SP16T switch are connected to the eighth to fourteenth transmit-receive ports TRx8 to TRx14, and the selector switch is configured to selectively connect a path between any one port of the low-frequency amplification circuit PA1, the high-frequency amplification circuit PA2, the first to fourteenth transmit-receive ports TRx1 to TRx14 and the multiplex antenna terminal ANT;

the first to fourteenth transceiving ports TRx1 to TRx14 are used for accessing 3G/4G/5G signals.

The signal processing circuit of the transmitting module 10 can process GSM low-frequency signals and GSM high-frequency signals, and can also access 3G/4G/5G signals through an additional transceiving interface, and select any one of the signals to transmit through the selection switch ANTENNA SWITCH, so as to adapt to the transmission of various signals.

In the current solution, the current transmission module 10 only supports GSM signal power amplification and transmission of a single GSM signal or a single 3G/4G/5G signal, and has a single function. In order to realize complex functions such as e.g. endic (E-UTRA and New radio Dual Connectivity, dual Connectivity of 4G radio access network and 5G NR), it is necessary to combine a plurality of MMPA modules, which results in high system cost.

In view of the above problem, as shown in fig. 2, an embodiment of the present application provides a transmitting module 10, including:

the medium-high frequency amplification circuit 100 is configured to receive a GSM high-frequency transmission signal (IN the drawing, GSM HB _ IN) of the global system for mobile communications of the radio frequency transceiver 1010 through the first selection switch 310, amplify the GSM high-frequency transmission signal (IN the drawing, GSM HB _ IN), and output the amplified signal to the medium-high frequency antenna multiplexing port P1 through the second selection switch 320, the first filter 410, the noise reduction unit 500, the third selection switch 330, and the first coupler 610; or, the first selection switch 310 is configured to receive a target intermediate frequency transmission signal (IN the figure, MB _ IN) of the radio frequency transceiver 1010, amplify the target intermediate frequency transmission signal (IN the figure, MB _ IN), and output the target intermediate frequency transmission signal to a target intermediate frequency transmission port through the second selection switch 320, where the target intermediate frequency transmission signal (IN the figure, MB _ IN) is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any one of a third-generation 3G network, a fourth-generation 4G network, and a fifth-generation 5G network;

the GSM low-frequency amplification circuit 200 is configured to receive the GSM low-frequency transmission signal of the radio frequency transceiver 1010, amplify the GSM low-frequency transmission signal, and output the amplified GSM low-frequency transmission signal to the low-frequency antenna multiplexing port P2 through the second filter 420, the fourth selection switch 340, and the second coupler 620;

IN some embodiments, please refer to fig. 3, wherein the first selection switch 310 is an SPDT switch, a P port of the first selection switch 310 is connected to the input end of the middle-high frequency amplifying circuit 100, and two T ports are respectively connected to two ports for receiving the GSM high frequency transmitting signal (GSM HB _ IN the figure) and the target middle frequency transmitting signal (MB _ IN the figure); the second selection switch 320 is an SPXT switch, X is an integer greater than 1, a P port of the SPXT switch is connected to an output end of the medium-high frequency amplification circuit 100, a first T port is connected to the first filter 410, and second to xth T ports are connected to the target intermediate frequency transmission port; the third selection switch 330 is a SPYT switch, Y is an integer greater than 1, a P port of the SPYT switch is connected to the first coupler 610, a first T port is connected to the noise reduction unit 500, and second to Y T ports are connected to the middle-high frequency transceiving ports of the transmitting module 10 in a one-to-one correspondence; the fourth selection switch 340 is an SPZT switch, Z is an integer greater than 1, a P port of the SPZT switch is connected to the second coupler 620, a first T port is connected to the second filter 420, and second to Z-th T ports are connected to a target low-frequency transceiver port (any one of LB TRX1 to LB TRX6 in the drawing) of the transmission module 10 in a one-to-one correspondence.

The P Port is a Port (polarization) Port in this application, the Port for connecting an antenna in the multi-way switch in this application is called, the T Port is a shoot, and the Port for connecting a radio frequency module in the multi-way switch in this application is called, for example, a 4P4T switch.

IN some embodiments, referring to fig. 3, the fifth selection switch 350 is configured to select to receive first power information of at least one of the GSM high-frequency transmission signal (GSM HB _ IN the figure), the target medium-high frequency signal, and the target intermediate-frequency transmission signal (MB _ IN the figure) from the first coupler 610 or receive second power information of the GSM low-frequency transmission signal/the target low-frequency signal from the second coupler 620, and output the first power information or the second power information through the coupling port P3;

illustratively, the GSM low-frequency amplifying circuit 200 is specifically configured to amplify a GSM transmit low-frequency signal; the middle-high frequency amplifying circuit 100 is specifically configured to amplify a GSM high frequency transmit signal (GSM HB _ IN the figure) and a target middle frequency transmit signal (MB _ IN the figure).

Illustratively, when the third selection switch 330 is switched to the second to the Y-th T ports, one of the paths between the medium-high frequency transceiving port and the medium-high frequency antenna multiplexing port P1 is turned on, so as to implement a target medium-high frequency signal transmitting function from the medium-high frequency transceiving port to the medium-high frequency antenna multiplexing port P1, or implement a target medium-high frequency signal transmitting function from the medium-high frequency antenna multiplexing port P1 to the medium-high frequency transceiving port.

Illustratively, when the fourth switch is switched to the second to the Z-th T ports, one of the paths between the target low-frequency transceiving port and the low-frequency antenna multiplexing port P2 is turned on, so as to implement a signal transmitting function from the target low-frequency transceiving port to the low-frequency antenna multiplexing port P2, or implement a signal transmitting function from the low-frequency antenna multiplexing port P2 to the target low-frequency transceiving port.

Illustratively, the first coupler 610 is configured to couple the middle-high frequency antenna multiplexing port P1 with a GSM high-frequency transmission signal (GSM HB _ IN the figure) transmitted by the middle-high frequency transceiving port/radio frequency transceiver 1010/a target intermediate-frequency transmission signal (MB _ IN the figure) transmitted by the radio frequency transceiver 1010, and is further configured to detect first power information of at least one of the GSM high-frequency transmission signal (GSM HB _ IN the figure), the target middle-high frequency signal, and the target intermediate-frequency transmission signal (MB _ IN the figure).

Illustratively, the second coupler 620 is further configured to detect second power information of the GSM low frequency transmission signal/the target low frequency signal, in addition to coupling the GSM low frequency signal transmitted by the rf transceiver 1010.

Illustratively, the GSM low-frequency transmission signal and the GSM high-frequency transmission signal (GSM HB _ IN the figure) are 2G networks, and the target high-frequency signal, the target intermediate-frequency signal, the target low-frequency signal, and the target medium-high-frequency signal each include any one of signals of a 3G network, a 4G network, and a 5G network. The frequency band division of signals of the 2G network, the 3G network, the 4G network and the 5G network is shown in table 1.

TABLE 1

Illustratively, the GSM low-frequency transmission signal includes GSM850, GSM900, etc. frequency band signals. The GSM high-frequency transmitting signal (GSM HB _ IN the figure) includes frequency band signals of GSM1800, GSM1900, etc. The target high-frequency signal comprises a high-frequency signal of any one of a 3G network, a 4G network and a 5G network, the target intermediate-frequency signal comprises an intermediate-frequency signal of any one of the 3G network, the 4G network and the 5G network, the target low-frequency signal comprises a low-frequency signal of any one of the 3G network, the 4G network and the 5G network, and the target medium-high-frequency signal comprises a target intermediate-frequency signal or a target high-frequency signal.

It should be noted that, in the 5G network, the frequency band used by 4G is used, and only the identifier before the serial number is changed. In addition, some ultrahigh frequency bands which are not available in the 4G network, such as N77, N78, N79 and the like, are added to the 5G network.

Illustratively, the noise reduction unit 500 includes an ISM NOTCH, which is used to optimize interference of a wireless high-fidelity Wi-Fi signal to a GSM 1800/1900 signal, and the like, and improve signal quality.

It can be seen that, in the embodiment of the present application, the transmitting module 10 implements transmission of various signals, such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target intermediate-frequency signal, and a target intermediate-frequency signal, by setting a medium-high frequency transmitting/receiving port, a target intermediate-frequency transmitting port, a medium-high frequency antenna multiplexing port P1, a low-frequency antenna multiplexing port P2, and a target low-frequency transmitting/receiving port, to cooperate with corresponding amplifying circuits and selection switches; meanwhile, the first coupler 610 and the second coupler 620 are used for respectively detecting the first power information and the second power information, and the fifth selection switch 350 is used for selecting the power information to be output and outputting the power information through a coupling single port, so that the purpose of signal power detection is achieved, and the functions of the transmitting module 10 are enriched.

In some embodiments, as shown in fig. 4, the second selection switch 320 is an SP4T switch, a P port of the SP4T switch is connected to the output end of the middle-high frequency amplifying circuit 100, a first T port of the SP4T switch is connected to the first end of the first filter 410, and 2 nd to 4 th T ports of the SP4T switch are connected to two ports (in the figure, MB TX1 and MB TX 2) of the target intermediate frequency transmitting port of the transmitting module 10 in a one-to-one correspondence manner. In some embodiments, as shown in fig. 3, the third selection switch 330 is an SP10T switch, a P port of the SP10T switch is connected to the first end of the first coupler 610, a first T port is connected to the output end of the noise reduction unit 500, and the second to tenth T ports are connected to 8 ports (MHB TRX1-MHB TRX 9) of the middle-high frequency transceiving port of the transmission module 10 in a one-to-one correspondence manner.

It can be seen that, in this embodiment, the third selection switch 330 can be used to switch 10 signals, and respectively receive or transmit the 10 signals; the 10 signals include a target medium-high frequency signal, a target medium-frequency transmitting signal (IN the figure, MB _ IN), and a GSM high-frequency transmitting signal (IN the figure, GSM HB _ IN).

In some embodiments, as shown in fig. 4, the fourth selection switch 340 is an SP7T switch, a P port of the SP7T switch is connected to the first end of the second coupler 620, a first T port is connected to the output end of the second filter 420, and the second to seventh T ports are connected to 6 ports (LB TRX1 to LBTRX6, respectively) of the target low-frequency transceiving port of the transmission module 10 in a one-to-one correspondence manner.

It can be seen that, in this embodiment, the fourth selection switch 340 can be used to switch the 7 signals, and respectively receive or transmit the 7 signals; the 7 signals include a target low frequency signal and a GSM high frequency transmit signal (GSM HB _ IN the figure).

In some embodiments, as shown in fig. 4, the fifth selection switch 350 is an SPDT switch, the P port of the fifth selection switch 350 is connected to the coupling port P3, and the two T ports are respectively connected to the second end of the first coupler 610 and the second end of the second coupler 620.

IN this embodiment, it can be seen that, IN the fifth selection switch 350, the output of the first power information of at least one of the GSM high frequency transmission signal (GSM HB _ IN the figure), the target medium frequency signal, and the target medium frequency transmission signal (MB _ IN the figure) or the second power information of the GSM low frequency transmission signal/the target low frequency signal can be implemented, so as to perform corresponding operations through an external device, or apparatus, where the operations may be statistics, judgment, calculation, and the like.

The medium-high frequency transceiving port can be connected with a medium-high frequency receiving module/a medium-high frequency transmitting module, the target low-frequency transceiving port can be connected with a low-frequency receiving module/a low-frequency transmitting module, the medium-high frequency receiving module is used for receiving medium-high frequency signals of a target, the medium-high frequency transmitting module is used for transmitting medium-high frequency signals of the target, the low-frequency receiving module is used for receiving low-frequency signals, the low-frequency transmitting module is used for transmitting low-frequency signals, and the low-frequency signals comprise GSM low-frequency signals and target low-frequency signals; the 2 high-frequency transceiving ports are connected with a fourth antenna 92 unit (for example, a high-frequency antenna unit). The medium-high frequency antenna multiplexing port P1 is connected to a first antenna unit 70 (e.g., a medium-high frequency antenna unit), the low frequency antenna multiplexing port P2 is connected to a second antenna unit 80 (e.g., a low frequency antenna unit), and the target medium frequency transmitting port is connected to a third antenna unit 90 (e.g., a medium frequency antenna unit).

The middle/high frequency receiving Module/middle/high frequency transmitting Module 10/Low frequency receiving Module/Low frequency transmitting Module 10 may be, for example, a radio frequency Low Noise Amplifier Module (LFEM), a Diversity receiving Module (Diversity Receive Module with Antenna Switch Module and filter and SAW, DFEM), a Multiband Low Noise Amplifier (MLNA), etc.

It can be seen that, in this example, the transmitting module 10 supports multiple flexible processing for radio frequency signals of low frequency band, middle frequency band and high frequency band.

In some embodiments, as shown in fig. 2 to 4, the medium-high frequency amplifying circuit 100 includes a first medium-high frequency power amplifier, a medium-high frequency matching circuit, and a second medium-high frequency power amplifier, an input end of the first medium-high frequency power amplifier is connected to the P port of the first selection switch 310, an output end of the first medium-high frequency power amplifier is connected to an input end of the medium-high frequency matching circuit, an output end of the medium-high frequency matching circuit is connected to an input end of the second medium-high frequency power amplifier, and an output end of the second medium-high frequency power amplifier is connected to the P port of the second selection switch 320.

As can be seen, IN this embodiment, the middle-high frequency amplifying circuit 100 implements power amplification processing on the target middle frequency transmitting signal (MB _ IN the figure) and the GSM high frequency transmitting signal (GSM HB _ IN the figure).

The middle-high frequency amplifying circuit 100 may further include a single middle-high frequency power amplifier to perform power amplification processing on the target middle frequency transmitting signal (MB _ IN the figure) and the GSM high frequency transmitting signal (GSM HB _ IN the figure). The input terminal of the single middle and high frequency power amplifier is connected to the P port of the first selection switch 310, and the output terminal of the single middle and high frequency power amplifier is connected to the P port of the second selection switch 320.

Therefore, in the embodiment, the circuit structure is simplified due to the arrangement of the single power amplifier, the cost is reduced, and the space utilization rate is improved; moreover, the specific implementation manner of the medium-high frequency amplifying circuit 100 may be various, and is not limited herein.

In some embodiments, as shown in fig. 4, the GSM low frequency amplifying circuit 200 includes a first GSM low frequency power amplifier, a GSM low frequency matching circuit, and a second GSM low frequency power amplifier, an input terminal of the first GSM low frequency power amplifier is connected to the GSM low frequency receiving port P6 of the transmitting module 10, an output terminal of the first GSM low frequency power amplifier is connected to an input terminal of the GSM low frequency matching circuit, an output terminal of the GSM low frequency matching circuit is connected to an input terminal of the second GSM low frequency power amplifier, and an output terminal of the second GSM low frequency power amplifier is connected to the first terminal of the second filter 420.

It can be seen that, in this embodiment, the GSM low-frequency amplification circuit 200 implements power amplification processing on the GSM low-frequency transmission signal.

For example, the GSM low-frequency amplification circuit 200 may further include a single GSM low-frequency power amplifier to perform power amplification processing on the GSM low-frequency transmission signal. The input end of the single GSM low-frequency power amplifier is connected to the GSM low-frequency receiving end of the transmitting module 10, and the output end of the GSM low-frequency power amplifier is connected to one end of the second filter 420.

Therefore, in the embodiment, the arrangement of a single power amplifier simplifies the circuit structure, reduces the cost and improves the space utilization rate; moreover, the specific implementation manner of the GSM low frequency amplifying circuit 200 may be various, and is not limited herein.

In some embodiments, as shown in fig. 4, the transmitting module 10 is further configured with a VCC power supply port; the VCC power supply port is connected to a junction port, and the junction port is an internal port where power ports of the first medium-high frequency power amplifier, the second medium-high frequency power amplifier, and the first GSM low-frequency power amplifier and the second GSM low-frequency power amplifier in the medium-high frequency amplification circuit 100 and the GSM low-frequency amplification circuit 200 are combined.

For example, a Capacitor is connected in parallel between the combining port and the VCC power supply port to switch a Capacitor switch circuit 700, where the Capacitor switch circuit 700 includes a Capacitor C1 and a switch K1, the Capacitor C1 is connected to a first end of the switch K1, and a second end of the switch K1 is connected to a system ground;

illustratively, the switch K1 is configured to be controlled to be turned on when the transmitting module 10 is in a GSM operating state, so that the capacitor C1 performs voltage stabilization on a signal of the VCC power supply port; and is configured to be controlled to be turned off when the transmitting module 10 is in the MB operating state, so as to avoid the capacitance from affecting the detection result of the automatic power tracking APT or the envelope tracking ET.

It can be seen that, in this embodiment, the power supply to the medium-high frequency amplifier circuit 100 and the GSM low frequency amplifier circuit 200 is realized through the VCC power supply port, and the emission module 10 is turned on when in the GSM working state and turned off when in the MB working state is realized through the Capacitor switch circuit, so as to achieve the purpose of avoiding the influence of the Capacitor on the detection result of the automatic power tracking APT or the envelope tracking ET.

In some embodiments, as shown in fig. 4, the VCC port is also connected to a power supply module 20, and the input voltage of the power supply module 20 may be the output voltage of the battery unit, and is typically between 3.6V and 4.2V. By using the first power supply voltage and the second power supply voltage to supply power to each amplifying circuit, it is possible to avoid adding a boost circuit to the power supply module 20, so as to reduce the cost of each power supply module 20.

Specifically, the Power supply module 20 may be a Power Management IC (PMIC). When the radio frequency signal is power amplified by adopting a power synthesis mode, the PMIC without a boost circuit can be adopted to supply power to each amplifying unit.

In this embodiment, the magnitudes of the first power supply voltage and the second power supply voltage are not limited uniquely, and may be set according to communication requirements and/or specific structures of the amplifying circuits. In addition, the power supply module 20 may include an RF PMIC #1. The boost circuit is not included in the RF PMIC #1, i.e., the output voltage of the RF PMIC #1 is less than or equal to the input voltage of the RF PMIC #1.

In some embodiments, as shown in fig. 4, the power supply module 20 may include a Buck power supply (Buck Source) having a supply voltage Vcc at an output of the Buck power supply less than or equal to 3.6V. The step-down power supply can be understood as a step-down type adjustable voltage-stabilizing direct-current power supply with output voltage lower than input voltage.

In some embodiments, as shown in fig. 4, the transmitting module 10 is further configured with an SDATA port, an SCLK port, a VIO port, a VBAT port, a Vramp port; the transmission module 10 further includes:

the controller 301 is connected to the SDATA port (SDA in the figure), SCLK port (SCL in the figure), VIO port, VBAT port, and Vramp port, and configured to receive MIPI BUS control signals of the SDATA port and SCLK port, receive MIPI power supply signals of the VIO port, receive bias voltage signals of the VBAT port, and receive Vramp signals of the Vramp port.

As shown in fig. 5, the present embodiment provides another transmitting module 10, which includes:

the selective amplification sub-module is used for selectively receiving the GSM high-frequency transmitting signal from the radio frequency transceiver 1010, amplifying the GSM high-frequency transmitting signal and outputting the GSM high-frequency transmitting signal to the medium-frequency and high-frequency antenna multiplexing port P1; or, the target intermediate frequency transmitter is configured to selectively receive a target intermediate frequency transmit signal from the radio frequency transceiver 1010, amplify the target intermediate frequency transmit signal, and output the target intermediate frequency transmit signal to a target intermediate frequency sending port, where the target intermediate frequency transmit signal is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any one of a 3G network, a 4G network, and a 5G network;

and the GSM low-frequency amplifying unit is configured to receive the GSM low-frequency transmitting signal from the radio frequency transceiver 1010, amplify the GSM low-frequency transmitting signal, and output the amplified GSM low-frequency transmitting signal to the low-frequency antenna multiplexing port P2.

Illustratively, the selective amplification word module receives the GSM high-frequency transmit signal and the target intermediate-frequency transmit signal through different interfaces, and receives only one of the GSM high-frequency transmit signal and the target intermediate-frequency transmit signal at the same time.

It can be seen that, in the embodiment of the present application, the transmitting module 10 implements transmission of various signals, such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target intermediate-frequency signal, and a target intermediate-frequency signal, by setting the intermediate-frequency and high-frequency transmitting port, the target intermediate-frequency transmitting port, the intermediate-frequency and high-frequency antenna multiplexing port P1, the low-frequency antenna multiplexing port P2, and the target low-frequency transmitting/receiving port, and matching the corresponding amplifying circuit and the corresponding selection switch.

In some embodiments, the selective amplification sub-module comprises:

a first selection switch 310, connected to an input end of the medium-high frequency amplification unit 110, for selectively receiving a GSM high-frequency transmit signal (GSM HB _ IN the figure) or a target intermediate-frequency transmit signal (MB _ IN the figure) from the radio frequency transceiver 1010, where the target intermediate-frequency transmit signal (MB _ IN the figure) is a target intermediate-frequency signal, and the target intermediate-frequency signal includes an intermediate-frequency signal of any one of a 3G network, a 4G network, and a 5G network;

the middle-high frequency amplifying unit 110 is connected to the second selection switch 320, and configured to amplify the target intermediate frequency transmitting signal (IN the figure, MB _ IN), and output the signal to the target intermediate frequency transmitting port through the second selection switch 320; or, the second selection switch 320, the first filter 410, the noise reduction unit 500, the third selection switch 330, and the first coupler 610 are configured to amplify the GSM high-frequency transmission signal (IN the figure, GSM HB _ IN), and output the amplified signal to the medium-high frequency antenna multiplexing port P1.

For example, the middle-high frequency amplifying unit 110 may include a power amplifier to perform power amplification processing on the received radio frequency signal.

For example, the medium-high frequency amplifying unit 110 may further include a plurality of power amplifiers and a power combining unit, and the power amplifying processing on the radio frequency signal is implemented in a power combining manner or the like.

It can be seen that, in this embodiment, the first selection switch 310 is arranged to switch the signals to be received, so as to implement selective reception of the GSM high-frequency transmit signal and the target intermediate-frequency transmit signal.

In some embodiments, the GSM low frequency amplification unit 210 is configured to output the amplified GSM low frequency transmit signal radio frequency transceiver 1010 to the low frequency antenna multiplexing port P2 through the second filter 420, the fourth selection switch 340, and the second coupler 620.

For example, the GSM low frequency amplification unit 210 may include a power amplifier to perform power amplification processing on the received radio frequency signal.

For example, the GSM low-frequency amplification unit 210 may further include a plurality of power amplifiers and a power synthesis unit, and power amplification processing on the radio frequency signal is implemented in a power synthesis manner and the like.

It can be seen that, in this embodiment, the GSM low-frequency amplification unit 210 receives the GSM low-frequency transmission signal, and the GSM low-frequency amplification unit 210, the second filter 420, the fourth selection switch 340, the second coupler 620, and the low-frequency antenna multiplexing port P2 cooperate to transmit the GSM low-frequency transmission signal.

In some embodiments, the transmitting module 10 further includes:

a fifth selection switch 350, connected to the coupling port P3 of the first coupler 610 and the second coupler 620, for selecting to receive first power information of at least one of the GSM high frequency transmit signal (GSM HB _ IN the figure), the target medium high frequency signal and the target medium frequency transmit signal (MB _ IN the figure) from the first coupler 610 or receive second power information of the GSM low frequency transmit signal/the target low frequency signal from the second coupler 620, and outputting the first power information or the second power information through the coupling port P3 of the transmit module.

It can be seen that, in the embodiment of the present application, the high frequency antenna multiplexing port P1 in the medium-high frequency transceiving port target intermediate frequency transmitting port and the low frequency antenna multiplexing port P2 target low frequency transceiving port detect the first power information and the second power information through the first coupler 610 and the second coupler 620, respectively, and the fifth selector switch 350 selects the power information to be output to output through the coupling single port, so as to achieve the purpose of signal power detection, and enrich the function of the transmitting module 10.

As shown IN fig. 6, another transmission module 10 according to the present invention is configured with a GSM high frequency receiving port P5 for receiving a GSM high frequency transmitting signal (GSM HB _ IN the figure) of a radio frequency transceiver 1010, a target intermediate frequency receiving port P4 for receiving a target intermediate frequency transmitting signal (MB _ IN the figure) of the radio frequency transceiver 1010, a GSM low frequency receiving port P6 for receiving a GSM low frequency transmitting signal of the radio frequency transceiver 1010, a medium-high frequency antenna multiplexing port P1 for transmitting the GSM high frequency transmitting signal (GSM HB _ IN the figure)/target intermediate frequency transmitting signal (MB _ IN the figure)/target medium-high frequency signal, and a low frequency antenna multiplexing port P2 for transmitting the GSM low frequency transmitting signal or target low frequency signal, a target intermediate frequency transmitting port for transmitting the target intermediate frequency transmitting signal (MB _ IN the figure), medium-high frequency transmitting and receiving ports (mhtrb TRX1 to MHB 8 IN the figure) for receiving or transmitting the target intermediate frequency transmitting signal, a target intermediate frequency transmitting and receiving port (MB _ IN the figure) for receiving or transmitting the target intermediate frequency transmitting signal, a target mhtx port (mhx 1 to trlb 3) for generating a first transmitting power or second transmitting information by coupling module for generating the first transmitting power or second transmitting information, the target intermediate frequency transmitting signal (MB _ IN IN the figure) is a target intermediate frequency signal, the target intermediate frequency signal comprises the target intermediate frequency signal or a target high frequency signal, the target high frequency signal comprises a high frequency signal of any one of the 3G network, the 4G network and the 5G network, the target intermediate frequency signal comprises an intermediate frequency signal of any one of the 3G network, the 4G network and the 5G network, the target low-frequency signal comprises a low-frequency signal of any one of the 3G network, the 4G network and the 5G network; the transmission module 10 includes:

a first selection switch 310, which is an SPDT switch, wherein one T port of the first selection switch 310 is connected to the GSM high-frequency receiving port P5, and the other T port is connected to the target intermediate-frequency receiving port P4, for selectively receiving the GSM high-frequency transmitting signal (GSM HB _ IN the figure) or the target intermediate-frequency transmitting signal (MB _ IN the figure);

the middle-high frequency amplifying circuit 100 is connected to the P port of the first selection switch 310, and is configured to amplify the received GSM high-frequency transmit signal (GSM HB _ IN the figure) or the target middle-frequency transmit signal (MB _ IN the figure);

a second selector switch 320, which is an SPXT switch, X is an integer greater than 1, a P port of the SPXT switch is connected to an output end of the medium-high frequency amplification circuit 100, a first T port is sequentially connected to a first filter 410, a noise reduction unit 500, a third selector switch 330, a first coupler 610 and the medium-high frequency antenna multiplexing port P1, and is configured to output the GSM high-frequency transmit signal (GSM HB _ IN the figure) to the medium-high frequency antenna multiplexing port P1, and second to X-th T ports are connected to the target intermediate frequency transmit ports IN a one-to-one correspondence manner, and are configured to output the target intermediate frequency transmit signal (MB _ IN the figure) to any target intermediate frequency transmit port;

the third selection switch 330 is a SPYT switch, Y is an integer greater than 1, a P port of the SPYT switch is connected to the first end of the first coupler 610, a first T port is connected to the noise reduction unit 500, and second to Y T ports are connected to the medium-high frequency transceiving ports of the transmitting module 10 in a one-to-one correspondence;

the GSM low-frequency amplification circuit 200 is connected to the GSM low-frequency receiving port P6, and is configured to amplify the received GSM low-frequency transmission signal;

a second filter 420, a first end of the second filter 420 is connected to the output end of the GSM low-frequency amplifying circuit 200, and is configured to filter the GSM low-frequency transmitting signal;

the fourth selection switch 340 is an SPZT switch, Z is an integer greater than 1, a first T port of the SPZT switch is connected to the second end of the second filter 420, second to Z-th T ports are connected to the target low-frequency transceiving ports in a one-to-one correspondence, and a P port is connected to the first end of the second coupler 620;

a fifth selection switch 350, which is an SPDT switch, one T port of the fifth selection switch 350 is connected to the second end of the first coupler 610, and the other T port is connected to the second end of the second coupler 620, for selecting to receive first power information of at least one of the GSM high-frequency transmit signal (GSM HB _ IN the figure), the target medium-high frequency signal, and the target medium-frequency transmit signal (MB _ IN the figure) from the first coupler 610 or receive second power information of the GSM low-frequency transmit signal/the target low-frequency signal from the second coupler 620, and a P port of the fifth selection switch 350 is connected to the coupling port P3, for outputting the first power information or the second power information through the coupling port P3;

a third end of the first coupler 610 is connected to the medium-high frequency antenna multiplexing port P1, and is configured to detect first power information of at least one of the GSM high-frequency transmit signal (GSM HB _ IN the figure), the target medium-high frequency signal, and the target intermediate-frequency transmit signal (MB _ IN the figure), and output the first power information sequentially through the fifth selector switch 350 and the coupling port P3;

a third end of the second coupler 620 is connected to the low-frequency antenna multiplexing port P2, and is configured to detect second power information of the GSM low-frequency transmitting signal/the target low-frequency signal, and output the second power information sequentially through the fifth selector switch 350 and the coupling port P3.

It should be noted that the number of T ports of the third selection switch 330, the fourth selection switch 340 and the fifth selection switch 350 may be set according to the number of signals that the transmitting module needs to receive or transmit, for example, 6, 7, 10, etc.

It can be seen that, in the embodiment of the present application, the transmitting module 10 implements transmission of various signals, such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target intermediate-frequency signal, and a target intermediate-frequency signal, by setting the intermediate-frequency and high-frequency transmitting port, the target intermediate-frequency transmitting port, the intermediate-frequency and high-frequency antenna multiplexing port P1, the low-frequency antenna multiplexing port P2, and the target low-frequency transmitting/receiving port to cooperate with corresponding amplifying circuits and selection switches; meanwhile, the first coupler 610 and the second coupler 620 are used for respectively detecting the first power information and the second power information, and the fifth selection switch 350 is used for selecting the power information to be output and outputting the power information through a coupling single port, so that the purpose of signal power detection is achieved, and the functions of the transmitting module 10 are enriched.

For example, as shown IN fig. 7, an exemplary structure of a transmitting module 10 is provided IN the embodiment of the present application, where the transmitting module 10 includes, IN addition to the low-frequency processing circuit and the related Port, the high-frequency processing circuit and the related Port, and the controller shown IN fig. 1B, 8 medium-high frequency transceiving ports (MB TRX1-MB TRX 8) for receiving medium-high frequency signals, 6 low-frequency transceiving ports (LB TRX1-LB TRX6 IN the figure) for receiving low-frequency signals, a medium-high frequency antenna multiplexing Port P1MHB Ant Port for transceiving medium-high frequency signals, a low-frequency antenna multiplexing Port P2LB Ant Port for transceiving low-frequency signals, an intermediate-frequency signal receiving Port MB _ IN for receiving intermediate-frequency signals sent by the radio frequency transceiver, a first intermediate-frequency signal sending Port MB TX1 and a second intermediate-frequency signal sending Port MB TX2 for sending intermediate-frequency signals; the transmission module further comprises:

a medium-high frequency amplification circuit 2G MB &4G MB PA, a first selection switch W1, a second selection switch W2, a third selection switch W3, a fourth selection switch W4, a fifth selection switch W5, a first coupler A1 and a second coupler A2;

the medium-high frequency amplification circuit 2G MB and 4G MB PA has an input end connected with a first selector switch W1, an output end connected with a second selector switch W2 and a power supply end connected with a power supply port VCC and is used for performing power amplification processing on medium-frequency signals or GSM high-frequency signals;

a first selection switch W1, which is an SPDT switch, and two T ports are respectively connected to the intermediate frequency signal receiving port MB _ IN and the high frequency signal receiving port, and a P port is connected to an input terminal of the intermediate-high frequency amplification circuit 2G MB &4g MB PA, and is configured to selectively turn on a path between the intermediate frequency signal receiving port MB _ IN or the high frequency signal receiving port and the intermediate-high frequency amplification circuit 2G MB &4g MB PA;

a second selection switch W2 which is an SP3T switch, a P port of which is connected to an output terminal of the medium-high frequency amplification circuit 2G MB &4g MB PA, and a first and a second T ports of which are respectively connected to the first intermediate frequency signal transmission port MB TX1 and the second intermediate frequency signal transmission port MB TX2, for selectively turning on a path between the first intermediate frequency signal transmission port MB TX1 or the second intermediate frequency signal transmission port MB TX2 and the medium-high frequency amplification circuit 2G MB &4g MB PA;

a third selector switch W3 which is an SP9T switch, wherein a P port is connected to a first end of the first coupler A1, first to eighth T ports are connected to 8 medium-high frequency transceiver ports (MB TRX1-MB TRX 8) in a one-to-one correspondence, and a ninth T port is connected to an output end of the noise reduction unit ISM Notch and is used for selectively conducting any one of the 8 medium-high frequency transceiver ports and the noise reduction unit ISM Notch and the first coupler A1;

a fourth selector switch W4 which is an SP7T switch, wherein a P port is connected to the first end of the second coupler A2, a first T port is connected to an output end of the low-frequency matching circuit match/flag, and the second T port to the seventh T port are connected to 6 low-frequency transceiver ports (LB TRX1-LB TRX6 in the figure) in a one-to-one correspondence manner, and configured to selectively connect any one of the paths between the low-frequency matching circuit match/flag and the 6 low-frequency transceiver ports and the second coupler A2;

a fifth selector switch W5, which is an SPDT switch, and has a P port connected to the coupling port P3CPL, a first T port connected to the second end of the first coupler A1, and a second T port connected to the second end of the second coupler A2, and configured to selectively receive the first power signal in the first coupler A1 or the second power information in the second coupler A2, and send the first power signal or the second power information through the coupling port P3 CPL;

a first coupling Port P3CPL, where a third end of the second coupler A2 is connected to the high-frequency antenna multiplexing Port MHB an Port, and is configured to detect first power information of at least one of the GSM high-frequency transmit signal, the medium-high frequency signal, and the intermediate-frequency signal, and output the first power information sequentially through the fifth selector switch W5350 and the coupling Port P3 CPL;

and a third end of the second coupler A2 is connected to the low-frequency antenna multiplexing Port P2LB Ant Port, and is configured to detect second power information of the GSM low-frequency transmit signal/the target low-frequency signal, and output the second power information sequentially through the fifth selector switch W5350 and the coupling Port P3 CPL.

As shown in fig. 8, an embodiment of the present application provides a radio frequency system 1, including:

a radio frequency transceiver 1010;

as shown in fig. 2 to 7, the transmitting module 10 is connected to the rf transceiver 1010;

an antenna group comprising at least:

a first antenna unit 70 connected to the middle-high frequency antenna multiplexing port P1 of the transmitting module 10;

a second antenna unit 80 connected to the low frequency antenna multiplexing port P2 of the transmitting module 10;

the third antenna unit 90 is connected to the target intermediate frequency transmitting ports (in the figure, MB TRX1 and MB TRX 2) of the transmitting module 10.

Illustratively, the middle and high frequency antenna multiplexing port P1 receives or transmits a target middle and high frequency signal and a GSM high frequency signal through the first antenna unit 70; the low-frequency antenna multiplexing port P2 receives or transmits GSM low-frequency signals and target low-frequency signals through the second antenna unit 80; the target if transmitting port receives or transmits a target if transmitting signal (MB _ IN the figure) through the third antenna unit 90.

It can be seen that, in the embodiment of the present application, the transmitting module 10 implements transmission of various signals, such as a GSM low-frequency signal, a GSM high-frequency signal, a target low-frequency signal, a target intermediate-frequency signal, and a target intermediate-frequency signal, by setting the intermediate-frequency and high-frequency transceiving ports (MHB TRX1 to MHB TRX8 in the figure), the target intermediate-frequency transmitting port, the intermediate-frequency and high-frequency antenna multiplexing port P1, the low-frequency antenna multiplexing port P2, and the target low-frequency transceiving ports (LB TRX1 to LB TRX6 in the figure) to cooperate with corresponding amplifying circuits and selection switches; meanwhile, the first coupler 610 and the second coupler 620 are used for respectively detecting the first power information and the second power information, and the fifth selection switch 350 is used for selecting the power information to be output and outputting the power information through a coupling single port, so that the purpose of signal power detection is achieved, and the functions of the transmitting module 10 are enriched.

In some embodiments, as shown in fig. 9, the first antenna element 70 includes:

and a first antenna 71 connected to the medium/high frequency antenna multiplexing port P1.

Illustratively, the first antenna 71 is a medium-high frequency antenna, supports target medium-high frequency signals, such as N1900MHz, B1, N1, GSM1800, 2100MHz, B7, N7, and can support multiple frequency band signals.

In some embodiments, as shown in fig. 9, the second antenna unit 80 includes:

and a second antenna 81 connected to the low frequency antenna multiplexing port P2.

Illustratively, the second antenna 81 is a low frequency antenna supporting low frequency signals, such as GSM850/GSM900/850MHZ/B5/N5.

In some embodiments, as shown in fig. 9, the third antenna unit 90 includes:

a third antenna 91 connected to the first target intermediate frequency transmission port MB TRX1;

the fourth antenna 92 is connected to the second target intermediate frequency transmission port MB TRX2.

Illustratively, the third antenna 91 and the fourth antenna 92 are intermediate frequency antennas supporting intermediate frequency signals, such as 1900MHz/B1/N1. It should be noted that the number of antennas IN the third antenna unit 90 may be set according to the number of target intermediate frequency transmission signals (MB _ IN the figure) to be received or transmitted by the transmission module, for example, 2, 3, and the like, which is not limited herein.

In this example, the plurality of antennas are independently arranged, and low, medium and high frequency signals can be transmitted.

In some embodiments, as shown in fig. 9, the radio frequency system 1 further comprises:

the target medium-high frequency filtering and isolating unit 30 is connected with the medium-high frequency transceiving port and is used for filtering and isolating the target medium-high frequency signals;

the target medium-high frequency amplifying circuit 50 is connected with the target medium-high frequency filtering and isolating unit 30 and is used for amplifying the target medium-high frequency signal;

the target low-frequency filtering and isolating unit 40 is connected with the target low-frequency transceiving port and is used for filtering and isolating a target low-frequency signal;

and the target low-frequency amplifying circuit 60 is connected with the target low-frequency filtering and isolating unit 40 and is used for amplifying the target low-frequency signal.

Illustratively, the medium-high frequency transceiving ports include a plurality of ports (MHB TRX1 to MHB TRX8 in the figure), each port is connected to one target medium-high frequency filtering and isolating unit 30 in a one-to-one correspondence manner, and then the target medium-high frequency filtering and isolating unit 30 is connected to one target medium-high frequency amplifying circuit 50 in a one-to-one correspondence manner, so as to receive a target medium-high frequency signal from the medium-high frequency transceiving port and process the target medium-high frequency signal to the target medium-high frequency amplifying circuit 50.

Illustratively, the low-frequency transceiving ports include a plurality of target low-frequency transceiving ports (any one of LB TRX1 to LB TRX6 in the figure), each target low-frequency transceiving port is connected to one target low-frequency filtering and isolating unit 40 in a one-to-one correspondence, and then the target low-frequency filtering and isolating unit 40 is connected to one target low-frequency amplifying circuit 60 in a one-to-one correspondence, so as to receive low-frequency signals from the target low-frequency transceiving ports and process the low-frequency signals to the target low-frequency amplifying circuit 60.

In this embodiment, it can be seen that the target medium-high frequency signal can be received from the transmitting module 10.

In some embodiments, as shown in fig. 10, the medium-high frequency filtering and isolating unit 30 in the target includes:

a third filter 31, connected to the medium-high frequency transceiver ports (MHB TRX1 to MHB TRX8 in the figure), for filtering the medium-high frequency signal of the target;

a first duplexer 32 connected to the third filter 31 for isolating the mid-high frequency transmit signal from the mid-high frequency receive signal;

and the medium-high frequency transmitting signal and the medium-high frequency receiving signal are both the target medium-high frequency signal.

Further, the target low frequency filtering and isolating unit 40 includes:

a fourth filter 41, connected to the low-frequency transceiving ports (LB TRX1 to LB TRX6 in the figure), for filtering the target low-frequency signal;

the second duplexer 42 is connected to the fourth filter 41 and is used for isolating the target low-frequency transmitting signal and the target low-frequency receiving signal;

and the target low-frequency transmitting signal and the target low-frequency receiving signal are both the target low-frequency signal.

Illustratively, the medium-high frequency amplifying circuit 100 may include, for example, a target intermediate frequency amplifying circuit including, for example, a target intermediate frequency transmitting circuit and a target high frequency receiving circuit including, for example, a power amplifier, and a target high frequency amplifying circuit including, for example, a target intermediate frequency transmitting circuit and a target high frequency receiving circuit including, for example, a low noise filter.

IN this example, it can be seen that the transmitting module 10, the target intermediate-high frequency filtering and isolating unit 30, and the target intermediate-high frequency amplifying circuit 50 can implement dual-transmission of the target intermediate-frequency transmitting signal (MB _ IN the figure) and the target intermediate-high frequency signal, the transmitting module 10, the target low-frequency filtering and isolating unit 40, and the target low-frequency amplifying circuit 60 can implement dual-transmission of the target intermediate-frequency transmitting signal (MB _ IN the figure) and the target low-frequency signal, and the target intermediate-frequency transmitting signal (MB _ IN the figure) and the target intermediate-high frequency signal, the target intermediate-frequency transmitting signal (MB _ IN the figure) and the target low-frequency signal can implement dual-transmission of the 4G signal +5G signal by configuration, that is, implement the endec.

As shown in fig. 11, the present application further provides a radio frequency system 1, including: the transmit module 10 and the multi-mode multi-band power amplifier MMPA module 1020 as described in fig. 2 to 6;

the transmitting module 10 and the MMPA module 1020 are configured to support dual-connection endec of a 4G network and a 5G network between a first frequency band and a second frequency band, where the first frequency band is a frequency band to which a target intermediate frequency signal supported by the transmitting module 10 belongs, and the second frequency band is a frequency band to which the target signal supported by the MMPA module 1020 belongs.

For example, the first frequency band may be any frequency band in any one of signals of the 4G network and the 5G network, and the second frequency band may be any frequency band in any one of signals of the 4G network and the 5G network.

In this embodiment, the MMPA module 1020 and the transmitter module 10 are respectively responsible for transmitting and receiving one signal, so that a plurality of types of endec transmitting and receiving combinations are formed.

In some embodiments, the MMPA module comprises:

a target low-frequency transmitting circuit 1024, configured to receive, under the action of the first power supply voltage, the signal in the third frequency band from the radio frequency transceiver 1010, amplify the signal in the third frequency band, and output the amplified signal through a target low-frequency output port P14 of the local terminal, where the third frequency band is a frequency band to which the target low-frequency signal supported by the MMPA module 1020 belongs;

the target intermediate frequency transmitting circuit 1023 is used for receiving the target intermediate frequency signal from the radio frequency transceiver 1010 under the action of a second power supply voltage, amplifying the target intermediate frequency signal and outputting the amplified signal through a target intermediate frequency output port P13 of the local terminal;

a target high-frequency transmitting circuit 1022, configured to receive the target high-frequency signal from the radio frequency transceiver 1010 under the action of the second power supply voltage, amplify the target high-frequency signal, and output the amplified target high-frequency signal through a local target high-frequency output port P12;

the target ultrahigh frequency transmitting circuit 1021 is used for receiving the target ultrahigh frequency signal from the radio frequency transceiver 1010 under the action of the second power supply voltage, amplifying the target ultrahigh frequency signal, and outputting the amplified signal through a target ultrahigh frequency output port P11 at the local end;

wherein the supply circuits of the first supply voltage and the second supply voltage are independent of each other.

In an example, the rf system further includes a fourth antenna unit 1030, and the fourth antenna unit is respectively connected to the target low-frequency transmitting circuit 1024, the target intermediate-frequency transmitting circuit 1023, the target high-frequency transmitting circuit 1022, and the target ultra-high-frequency transmitting circuit 1021, so as to transmit a target low-frequency signal, a target intermediate-frequency signal, a target ultra-high-frequency signal, and a target ultra-high-frequency signal.

As can be seen, in this embodiment, the MMPA module 1020 is powered by the first power supply voltage and the second power supply voltage at the same time, so as to support the simultaneous transmission of two paths of signals.

In some embodiments, the MMPA module is configured to support endec between the third frequency band and the fourth frequency band, where the fourth frequency band is a frequency band to which any one of the target intermediate frequency signal, the target high frequency signal, and the target ultra high frequency signal supported by the MMPA module 1020 belongs.

As can be seen, in this embodiment, the MMPA module 1020 supports simultaneous transceiving of a third frequency band and a fourth frequency band, so as to implement endec between the third frequency band and the fourth frequency band.

As shown in fig. 12, an embodiment of the present application provides a communication device a, including:

rf transceiver 1010 the rf system 1 rf transceiver 1010 shown in fig. 8-11.

Specifically, the low frequency signal transmitting port and the low frequency signal receiving port of the radio frequency transceiver 1010 (IN the figure, the two ports are merged and embodied as a GSM LB _ IN transceiving port) may be connected to the GSM low frequency amplifying circuit 200, the intermediate frequency signal transmitting port and the intermediate frequency signal receiving port of the radio frequency transceiver 1010 (IN the figure, the two ports are merged and embodied as a MB _ IN transceiving port) may be connected to the intermediate frequency amplifying circuit (specifically, the medium-high frequency amplifying circuit 100 IN the present application), the high frequency signal transmitting port and the high frequency signal receiving port of the radio frequency transceiver 1010 (IN the figure, the two ports are merged and embodied as a GSM HB _ IN transceiving port) may be connected to the high frequency amplifying circuit (specifically, the medium-high frequency amplifying circuit 100 IN the present application), and a signal receiving module and the like may be connected to receive signals of each frequency band, which is not limited herein.

In some embodiments, the communication device a further includes an MMPA module in the radio frequency system of fig. 9, and the MMPA module and the transmitting module are respectively responsible for transceiving one signal, so that a plurality of endec transceiving combinations are formed.

As shown in fig. 13, further taking the example that the communication device is a mobile phone 1300 as an example, specifically, as shown in fig. 13, the mobile phone 1300 may include a memory 131 (which optionally includes one or more computer-readable storage media), a processor 132, a communication interface 133, a radio frequency system 134, and an input/output (I/O) subsystem 136. These components optionally communicate via one or more communication buses 139 or signal lines. The mobile phone 1300 may further include a display screen 135, where the display screen 135 is used to display a preset user guidance interface/visual interface, etc., and display corresponding information on the corresponding interface. Those skilled in the art will appreciate that the handset 1300 shown in fig. 13 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. The various components shown in fig. 13 are implemented in hardware, software, or a combination of both hardware and software, including one or more signal processing and/or application specific integrated circuits.

The memory 131 optionally includes high-speed random access memory, and also optionally includes non-volatile memory, such as one or more magnetic disk storage devices, flash memory devices, or other non-volatile solid-state memory devices. Illustratively, the software components stored in the memory 131 include an operating system, a communication module (or set of instructions), a Global Positioning System (GPS) module (or set of instructions), and the like.

The processor 132 and other control circuitry, such as control circuitry in the radio frequency system 134, may be used to control the operation of the handset 1300. The processor 132 may be based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, and the like.

The processor 132 may be configured to implement a control algorithm that controls the use of the antenna in the handset 1300. Processor 132 may also issue control commands for controlling switches in rf system 134, and the like.

The I/O subsystem 136 couples input/output peripheral devices on the cell phone 1300, such as a keypad and other input control devices, to the communication interface 133. The I/O subsystem 136 optionally includes a touch screen, buttons, tone generators, accelerometers (motion sensors), ambient and other sensors, light emitting diodes and other status indicators, data ports, and the like. Illustratively, a user may control the operation of the handset 1300 by supplying commands through the I/O subsystem 136, and may receive status information and other output from the handset 1300 using the output resources of the I/O subsystem 136. For example, a user pressing button 1361 may turn cell phone 1300 on or turn cell phone 1300 off.

The rf system 134 may be the rf system 134 in any of the foregoing embodiments, wherein the rf system 134 may also be configured to process rf signals of a plurality of different frequency bands. Such as satellite positioning radio frequency circuitry for receiving satellite positioning signals at 1575MHz, wiFi and bluetooth transceiver radio frequency circuitry for handling the 2.4GHz and 5GHz bands of IEEE802.11 communications, cellular telephone transceiver radio frequency circuitry for handling wireless communications at cellular telephone bands such as 850MHz, 1300MHz, 1800MHz, 11300MHz, 2100MHz bands, and Sub-6G bands. The Sub-6G frequency band may specifically include 2.4136GHz-6GHz frequency band, and 3.3GHz-6GHz frequency band.

In addition, the logic instructions in the memory 131 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.

The memory 131, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 132 executes the functional application and data processing by executing the software program, instructions or modules stored in the memory 131, that is, implements the method in the above-described embodiment.

The memory 131 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 131 may include a high-speed random access memory, and may also include a nonvolatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.

Claims

1. A transmitter module, comprising:

the medium-high frequency amplification circuit is configured to receive a global system for mobile communications (GSM) high-frequency transmission signal of a radio frequency transceiver through the first selection switch, amplify the GSM high-frequency transmission signal, and output the amplified GSM high-frequency transmission signal to a medium-high frequency antenna multiplexing port through the second selection switch, the first filter, the noise reduction unit, the third selection switch and the first coupler; the first selection switch is configured to receive a target intermediate frequency transmission signal of the radio frequency transceiver, amplify the target intermediate frequency transmission signal, and output the amplified target intermediate frequency transmission signal to a target intermediate frequency transmission port through the second selection switch, where the target intermediate frequency transmission signal is a target intermediate frequency signal, and the target intermediate frequency signal includes an intermediate frequency signal of any one of a third-generation 3G network, a fourth-generation 4G network, and a fifth-generation 5G network;

2. The transmitter module according to claim 1, wherein the first selective switch is an SPDT switch, a P port of the first selective switch is connected to an input terminal of the middle-high frequency amplifier circuit, and two T ports are respectively connected to two ports for receiving the GSM high-frequency transmit signal and the target intermediate-frequency transmit signal;

the second selection switch is an SPXT switch, X is an integer greater than 1, a P port of the SPXT switch is connected with the output end of the medium-high frequency amplification circuit, a first T port is connected with the first filter, and second to Xth T ports are connected with the target medium-frequency transmission port;

the third selection switch is a SPYT switch, Y is an integer larger than 1, a P port of the SPYT switch is connected with the first coupler, a first T port is connected with the noise reduction unit, and second to Y T ports are correspondingly connected with the medium-high frequency transceiving ports of the transmitting module one by one;

the fourth selector switch is an SPZT switch, Z is an integer greater than 1, a P port of the SPZT switch is connected with the second coupler, a first T port is connected with the second filter, and a second T port to a Z-th T port are connected with the target low-frequency transceiving port of the transmitting module in a one-to-one correspondence mode.

3. The transmitter module according to claim 2, further comprising a fifth selection switch configured to select to receive first power information of at least one of the GSM high-frequency transmit signal, the target medium-high frequency signal, and the target medium-frequency transmit signal from the first coupler or receive second power information of the GSM low-frequency transmit signal/the target low-frequency signal from the second coupler, and output the first power information or the second power information through the coupling port, wherein the target low-frequency signal is a low-frequency signal of any one of the 3G network, the 4G network, and the 5G network.

4. The transmitter module according to any one of claims 1 to 3, wherein the third selective switch is an SP10T switch, a P port of the SP10T switch is connected to the first coupler, a first T port is connected to the noise reduction unit, and second to tenth T ports are connected to the middle-high frequency transceiving ports of the transmitter module in a one-to-one correspondence.

5. The transmitter module of claim 4, wherein the fourth selective switch is an SP7T switch, a P port of the SP7T switch is connected to the second coupler, a first T port is connected to the second filter, and second to seventh T ports are connected to the target low frequency transceiving ports of the transmitter module in a one-to-one correspondence.

6. The transmitter module according to claim 5, wherein the fifth selective switch is an SPDT switch, a P port of the fifth selective switch is connected to a coupled port, and two T ports are respectively connected to the first coupler and the second coupler.

7. The transmit module of claim 6, wherein the selective amplification sub-module comprises:

the first selection switch is used for selecting and receiving the GSM high-frequency transmission signal and the target intermediate-frequency transmission signal from the radio frequency transceiver;

the medium-high frequency amplifying unit is connected with the first selection switch, is used for amplifying the target medium-frequency transmitting signal, and outputs the target medium-frequency transmitting signal to the target medium-frequency transmitting port through the second selection switch; and the second selection switch, the first filter, the noise reduction unit, the third selection switch and the first coupler are used for outputting the GSM high-frequency transmission signal to a medium-high frequency antenna multiplexing port.

8. The transmit module of claim 7, wherein the GSM low frequency amplification unit is configured to output the amplified GSM low frequency transmit signal to a low frequency antenna multiplexing port through a second filter, a fourth selection switch, and a second coupler.

9. The transmitter module of claim 8, further comprising:

and the fifth selector switch is connected with the first coupler and the second coupler and is used for selecting and receiving first power information of at least one signal of the GSM high-frequency transmitting signal, the target medium-high frequency signal and the target intermediate-frequency transmitting signal from the first coupler or receiving second power information of the GSM low-frequency transmitting signal/the target low-frequency signal from the second coupler and outputting the first power information or the second power information through a coupling port of the transmitting module.

10. A transmitting module is configured with a GSM high-frequency receiving port for receiving a GSM high-frequency transmitting signal of a radio frequency transceiver, a target intermediate-frequency receiving port for receiving a target intermediate-frequency transmitting signal of the radio frequency transceiver, a GSM low-frequency receiving port for receiving a GSM low-frequency transmitting signal of the radio frequency transceiver, a medium-high-frequency antenna multiplexing port for transmitting the GSM high-frequency transmitting signal/target intermediate-frequency transmitting signal/target medium-high-frequency signal, and a low-frequency antenna multiplexing port for transmitting the GSM low-frequency transmitting signal or target low-frequency signal, a target intermediate-frequency transmitting port for transmitting the target intermediate-frequency transmitting signal, a medium-high-frequency transmitting/receiving port for receiving or transmitting the target medium-high-frequency signal, a target low-frequency transmitting/receiving port for receiving or transmitting the target low-frequency signal, and a coupling port for transmitting first power information or second power information generated by the transmitting module, the target intermediate frequency transmitting signal is a target intermediate frequency signal, the target intermediate frequency signal comprises the target intermediate frequency signal or a target high frequency signal, the target high frequency signal comprises a high frequency signal of any one of a 3G network, a 4G network and a 5G network, the target intermediate frequency signal comprises an intermediate frequency signal of any one of the 3G network, the 4G network and the 5G network, and the target low frequency signal comprises a low frequency signal of any one of the 3G network, the 4G network and the 5G network; the transmission module includes:

a first selector switch, which is an SPDT switch, wherein one T port of the first selector switch is connected to the GSM high-frequency receiving port, and the other T port of the first selector switch is connected to the target intermediate-frequency receiving port, and is configured to selectively receive the GSM high-frequency transmitting signal or the target intermediate-frequency transmitting signal;

the medium-high frequency amplifying circuit is connected with the P port of the first selection switch and is used for amplifying the received GSM high-frequency transmitting signal or the target medium-frequency transmitting signal;

a fifth selection switch, which is an SPDT switch, and one T port of the fifth selection switch is connected to the second end of the first coupler, and the other T port of the fifth selection switch is connected to the second end of the second coupler, for selecting to receive first power information of at least one of the GSM high-frequency transmission signal, the target medium-high frequency signal, and the target intermediate-frequency transmission signal from the first coupler or receive second power information of the GSM low-frequency transmission signal/the target low-frequency signal from the second coupler, and a P port of the fifth selection switch is connected to the coupling port, for outputting the first power information or the second power information through the coupling port;

11. A radio frequency system, comprising:

a radio frequency transceiver;

the transmitter module of any of claims 1-10, coupled to the radio frequency transceiver;

an antenna group, comprising at least:

12. The radio frequency system of claim 11, further comprising:

the target medium-high frequency filtering and isolating unit is connected with the medium-high frequency transceiving port and is used for filtering and isolating the target medium-high frequency signals;

the target medium-high frequency amplifying circuit is connected with the target medium-high frequency filtering and isolating unit and is used for amplifying the target medium-high frequency signal;

the target low-frequency filtering and isolating unit is connected with the target low-frequency transceiving port and is used for filtering and isolating a target low-frequency signal;

and the target low-frequency amplifying circuit is connected with the target low-frequency filtering and isolating unit and is used for amplifying the target low-frequency signal.

13. The radio frequency system of claim 12, wherein the target mid-high frequency filtering and isolating unit comprises:

the third filter is connected with the medium-high frequency transceiving port and is used for filtering the medium-high frequency signal of the target;

the duplexer is connected with the third filter and is used for isolating the medium-high frequency transmitting signal and the medium-high frequency receiving signal;

14. The radio frequency system of claim 12, wherein the target low frequency filtering and isolating unit comprises:

the fourth filter is connected with the low-frequency transceiving port and is used for filtering the target low-frequency signal;

the second duplexer is connected with the fourth filter and is used for isolating the target low-frequency transmitting signal and the target low-frequency receiving signal;

15. A radio frequency system, comprising:

a radio-frequency transceiver for transmitting and receiving signals,

the transmitter module of any of claims 1-10, the transmitter module coupled to the radio frequency transceiver;

a multi-mode multi-band power amplifier (MMPA) module;

16. The rf system of claim 15, wherein the MMPA module comprises:

the target low-frequency transmitting circuit is used for receiving a signal of a third frequency band from the radio frequency transceiver under the action of a first power supply voltage, amplifying the signal of the third frequency band, and outputting the signal through a target low-frequency output port of a local terminal, wherein the third frequency band is a frequency band to which the target low-frequency signal supported by the MMPA module belongs;

the target intermediate frequency transmitting circuit is used for receiving the target intermediate frequency signal from the radio frequency transceiver under the action of a second power supply voltage, amplifying the target intermediate frequency signal and outputting the amplified target intermediate frequency signal through a target intermediate frequency output port at the local end;

the target high-frequency transmitting circuit is used for receiving the target high-frequency signal from the radio frequency transceiver under the action of the second power supply voltage, amplifying the target high-frequency signal and outputting the amplified target high-frequency signal through a target high-frequency output port at the local end;

the target ultrahigh frequency transmitting circuit is used for receiving the target ultrahigh frequency signal from the radio frequency transceiver under the action of the second power supply voltage, amplifying the target ultrahigh frequency signal and outputting the amplified signal through a target ultrahigh frequency output port at the local end;

17. The rf system of claim 16, wherein the MMPA module is configured to support dual-connectivity endec of the 4G network and a 5G network between the third frequency band and a fourth frequency band, and wherein the fourth frequency band is a frequency band to which any one of the target if signal, the target hf signal, and the target uhf signal supported by the MMPA module belongs.

18. A communication device, comprising:

the radio frequency system of any one of claims 11-17.