CN114640359B

CN114640359B - Radio frequency PA Mid device, radio frequency receiving and transmitting system and communication equipment

Info

Publication number: CN114640359B
Application number: CN202011489760.5A
Authority: CN
Inventors: 王国龙
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2023-08-29
Anticipated expiration: 2040-12-16
Also published as: WO2022127399A1; CN114640359A

Abstract

The embodiment of the application relates to a radio frequency PA Mid device, a radio frequency transceiver system and communication equipment, wherein the radio frequency PA Mid device is configured with a plurality of transmitting ports and a plurality of receiving ports for connecting a radio frequency transceiver and a plurality of antenna ports for connecting an antenna, and the radio frequency PA Mid device comprises: the three transceiver modules are respectively and correspondingly connected with a transmitting port and at least one receiving port, and are respectively used for supporting the transceiver of radio frequency signals of three different frequency bands in a one-to-one correspondence manner; the switch circuit comprises a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit are respectively connected with at least part of antenna ports in one-to-one correspondence, at least two first ends of the first switch unit are respectively connected with at least two transceiver modules in one-to-one correspondence, and the switch circuit is used for selectively conducting a radio frequency channel between the transceiver modules and the antenna ports. The embodiment of the application provides a radio frequency PA Mid device with high integration level and small volume.

Description

Radio frequency PA Mid device, radio frequency receiving and transmitting system and communication equipment

Technical Field

The embodiment of the application relates to the technical field of radio frequency, in particular to a radio frequency PA Mid device, a radio frequency receiving and transmitting system and communication equipment.

Background

With the development and progress of technology, in order to cope with the increasing demands of various network systems, rf PA Mid devices are rapidly developed. From a Phase2 product which only supports single frequency band initially to a Phase7 product which supports integration of various systems, the packaging size of the device is smaller and smaller. Therefore, in order to realize the richer transceiving function of the radio frequency PA Mid device and simultaneously solve the problem of the shortage of the layout of the PCB, the degree of integration and miniaturization of the existing radio frequency PA Mid device cannot meet the requirements of the development trend.

Disclosure of Invention

The embodiment of the application provides a radio frequency PA Mid device, a radio frequency receiving and transmitting system and communication equipment, which can optimize the internal structure of the radio frequency PA Mid device so as to improve the integration level of the radio frequency PA Mid device.

A radio frequency PA Mid device configured with a plurality of transmit ports and a plurality of receive ports for connecting radio frequency transceivers, and a plurality of antenna ports for connecting antennas, the radio frequency PA Mid device comprising:

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

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

A radio frequency transceiver system comprising:

as with the rf PA Mid device described above, the rf PA Mid device is configured with five antenna ports;

a fifth switching device, said fifth switching device comprising a first end and four second ends, said first end of said fifth switching device being connected to one of said antenna ports;

four antennas for receiving and transmitting radio frequency signals;

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

the four first ends of one combiner are respectively correspondingly connected with the remaining second ends and the remaining antenna ports of the fifth switching device, the remaining first ends of the combiners are respectively correspondingly connected with one receiving module, and the second ends of the four combiners are respectively correspondingly connected with the four antennas one by one;

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

A radio frequency transceiver system comprising:

as with the rf PA Mid device described above, the rf PA Mid device is configured with eight antenna ports;

four antennas for receiving and transmitting radio frequency signals;

three receiving modules, each receiving module is correspondingly connected with two of the eight antenna ports respectively;

the four combiner, two first ends of a said combiner correspond to and connect with two said aerial ports of the surplus separately, the first end of each said combiner of surplus corresponds to and connects with a said receiving module separately, the second end of four said combiners is connected with four said aerial one by one separately;

A radio frequency transceiver system comprising:

as with the rf PA Mid device described above, the rf PA Mid device is configured with four antenna ports;

a sixth switching device, the sixth switching device including two first ends and two second ends, the two first ends of the sixth switching device being connected to the first transceiver module through the corresponding antenna ports, respectively;

Two antennas for receiving and transmitting radio frequency signals;

the first ends of the two combiners are respectively connected with one second end of the sixth switching device and one of the remaining two antenna ports correspondingly, and the second ends of the two combiners are respectively connected with the two antennas correspondingly one by one;

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

A radio frequency transceiver system comprising:

two antennas for receiving and transmitting radio frequency signals;

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

A radio frequency transceiver system comprising:

as with the rf PA Mid device described above, the rf PA Mid device is configured with two antenna ports;

the two antennas are respectively connected with the two antenna ports in a one-to-one correspondence manner and are used for receiving and transmitting radio frequency signals;

A radio frequency transceiver system comprising:

a seventh switching device including four first ends and four second ends, the four first ends of the seventh switching device being connected to the first transceiver module via the corresponding antenna ports, respectively;

four antennas for receiving and transmitting radio frequency signals;

the first ends of the four combiners are respectively correspondingly connected with one first end of the seventh switching device and one of the remaining four antenna ports, and the second ends of the four combiners are respectively correspondingly connected with the four antennas one by one;

A radio frequency transceiver system comprising:

four antennas for receiving and transmitting radio frequency signals;

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

A radio frequency transceiver system comprising:

the four antennas are respectively connected with the four antenna ports in a one-to-one correspondence manner and are used for receiving and transmitting radio frequency signals;

A communication device comprising a radio frequency transceiver system as described above.

The above-mentioned radio frequency PA Mid device, radio frequency transceiver system and communication equipment, the radio frequency PA Mid device is configured with a plurality of transmitting ports and a plurality of receiving ports for connecting radio frequency transceivers, and a plurality of antenna ports for connecting antennas, the radio frequency PA Mid device includes: the three transceiver modules are respectively and correspondingly connected with a transmitting port and at least one receiving port, and are respectively used for supporting the transceiver of radio frequency signals of three different frequency bands in a one-to-one correspondence manner; the switch circuit comprises a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit are respectively connected with at least part of the antenna ports in a one-to-one correspondence manner, at least two first ends of the first switch unit are respectively connected with at least two transceiver modules in a one-to-one correspondence manner, and the switch circuit is used for selectively conducting a radio frequency channel between the transceiver modules and the antenna ports. Through integrated switch circuit and three transceiver module in same device, can realize the emission control and the receipt control to the radio frequency signal of multiband based on switch circuit's switching function, simultaneously, can also make two at least transceiver module sharing partial antenna port to further save the quantity of antenna port. Therefore, the embodiment of the application provides the radio frequency PA Mid device with high integration level and small volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the conventional techniques of the present application, the drawings required for the descriptions of the embodiments or the conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a block diagram of a three-band rf PA Mid device according to an embodiment;

fig. 2 is one of the block diagrams of the structure of a three-band single-channel rf PA Mid device according to an embodiment;

FIG. 3 is a second block diagram of a three-band single-channel RF PA Mid device according to one embodiment;

FIG. 4 is a third block diagram of a three-band single-channel RF PA Mid device according to an embodiment;

FIG. 5 is a block diagram of a third embodiment of a three band, single channel RF PA Mid device;

FIG. 6 is a fifth block diagram of a three-band, single-channel RF PA Mid device according to one embodiment;

fig. 7 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 6;

FIG. 8 is a block diagram of an RF transceiver system according to an embodiment;

FIG. 9 is a block diagram of a three-band, single-channel RF PA Mid device according to one embodiment;

fig. 10 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 9;

FIG. 11 is a second block diagram of an RF transceiver system according to an embodiment;

FIG. 12 is a block diagram of a three-band, single-channel RF PA Mid device according to one embodiment;

FIG. 13 is a third block diagram of an RF transceiver system according to an embodiment;

fig. 14 is one of the block diagrams of a three-band two-channel rf PA Mid device according to an embodiment;

fig. 15 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 14;

FIG. 16 is a block diagram of a radio frequency transceiver system according to an embodiment;

FIG. 17 is a second block diagram of a three-band dual-channel RF PA Mid device according to an embodiment;

fig. 18 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 17;

FIG. 19 is a fifth block diagram of an RF transceiver system according to an embodiment;

FIG. 20 is a third block diagram of a three-band dual-channel RF PA Mid device according to one embodiment;

FIG. 21 is a block diagram of a radio frequency transceiver system according to an embodiment;

fig. 22 is one of the block diagrams of a three-band four-channel rf PA Mid device according to an embodiment;

Fig. 23 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 22;

FIG. 24 is a block diagram of a RF transceiver system according to an embodiment;

fig. 25 is a second block diagram of a three-band four-channel rf PA Mid device according to an embodiment;

fig. 26 is a schematic diagram of a package structure of the rf PA Mid device of the embodiment of fig. 25;

FIG. 27 is a block diagram of an RF transceiver system according to an embodiment;

fig. 28 is a third block diagram of a three-band four-channel rf PA Mid device according to an embodiment;

fig. 29 is a block diagram of a radio frequency transceiver system according to an embodiment.

Description of element numbers:

and a transceiver module: 100; a receiving and transmitting unit: 101; a first receiving circuit: 1011; transmitting circuit: 1012; fourth switching device: 1013 (1013); a low noise amplifier: 1014; a power amplifier: 1015; a second receiving circuit: 1021; a first transceiver module: 110; and a second transceiver module: 120; and a third transceiver module: 130; and a switching circuit: 200; a first switching device: 210; a second switching device: 220; and a third switching device: 230, a step of; and a filtering unit: 300; and (3) a filter: 310; and a coupling circuit: 400; radio frequency PA Mid device: 10; a radio frequency transceiver: 20, a step of; a combiner: 30; and a receiving module: 40, a step of performing a; a fifth switching device: 51; sixth switching device: 52; a seventh switching device: 53

Detailed Description

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

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the application belong. The terminology used in the description of the embodiments of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The radio frequency PA Mid device 10 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 types of User Equipment (UE), such as a Mobile phone, a Mobile Station (MS), and so on. For convenience of description, the above-mentioned devices are collectively referred to as communication devices. The network devices may include base stations, access points, and the like.

A radio frequency PA Mid device 10 the radio frequency PA Mid device 10 may be understood as a PA Mid module (Power Amplifier Modules including Duplexers With LNA) with a built-in low noise amplifier 1014. The rf PA Mid device 10 may support transmission and reception of signals in multiple frequency bands to implement reception switching control, transmission switching control, and switching control between transmission and reception of signals. The radio frequency PA Mid device 10 of the embodiment of the present application can support transmission and reception control for signals in three frequency bands of N41, N77, N79, etc.

The rf PA Mid device 10 may be understood as a package structure, wherein the rf PA Mid device 10 is configured with a transmit port for connecting to the rf transceiver 20, a plurality of receive ports, and a plurality of antenna ports for connecting to antennas. The transmit port, receive port, and antenna port may be understood as the rf pin terminals of the rf PA Mid device 10 for connection to various external devices.

The transmitting port is configured to receive a plurality of signals sent by the rf transceiver 20, and the rf PA Mid device 10 may perform filtering amplification processing on the input plurality of signals, so as to output the signals to a corresponding antenna port, and transmit the signals through an antenna connected to the antenna port, so as to implement transmission control on the plurality of signals. The antenna port is further configured to receive signals received by the antenna, and the rf PA Mid device 10 may perform filtering amplification processing on signals input by the antenna port, so as to output the signals to a corresponding receiving port, and output the signals to the rf transceiver 20 via the receiving port, so as to implement reception control on a plurality of signals.

Fig. 1 is a block diagram of a three-band rf PA Mid device 10 according to an embodiment, referring to fig. 1, in this embodiment, the rf PA Mid device 10 is configured with a plurality of transmitting ports and a plurality of receiving ports for connecting to an rf transceiver 20, and a plurality of antenna ports for connecting to antennas, and the rf PA Mid device 10 includes a switch module and three transceiver modules 100.

Each transceiver module 100 has two first ends and one second end, the two first ends of each transceiver module 100 are respectively connected with a transmitting port and at least one receiving port, and the second ends of each transceiver module 100 are directly or indirectly connected with an antenna port. The three transceiver modules 100 are respectively configured to support the transceiver of radio frequency signals of three different frequency bands in a one-to-one correspondence manner, that is, one transceiver module 100 is configured to support the transceiver of radio frequency signals of a first frequency band, the other transceiver module 100 is configured to support the transceiver of radio frequency signals of a second frequency band, the last transceiver module 100 is configured to support the transceiver of radio frequency signals of a third frequency band, and the three transceiver modules 100 are independently configured, so that the radio frequency signals of different frequency bands can be synchronously processed, thereby improving the transceiver efficiency of the radio frequency PA Mid device 10.

The switch circuit 200 includes a plurality of first ends and a plurality of second ends, the plurality of second ends of the switch circuit 200 are respectively connected with at least a portion of the antenna ports in a one-to-one correspondence manner, at least two first ends of a first switch unit are respectively connected with at least two transceiver modules 100 in a one-to-one correspondence manner, and the switch circuit 200 is used for selectively conducting a radio frequency path between the transceiver modules 100 and the antenna ports. In the embodiment shown in fig. 1, the switch circuit 200 includes two first ends and three second ends, where the two first ends are respectively connected with the two transceiver modules 100 in a one-to-one correspondence manner, the three second ends are respectively connected with the three antenna ports in a one-to-one correspondence manner, and the switch circuit 200 can enable any one of the two transceiver modules 100 to be connected to any one of the three antenna ports, so as to implement a more flexible transceiver control function.

It will be appreciated that in other embodiments, three transceiver modules 100 may be connected to the antenna port through the switch circuit 200, or a greater number of first terminals and/or second terminals may be configured for the switch circuit 200, so that the switch circuit 200 has a more flexible control function, and the rf PA Mid device 10 has a richer rf signal transceiver function, such as a round robin function. Similarly, a greater number of multiple receiving ports, transmitting ports and antenna ports may be configured for the rf PA Mid device 10 to implement functions such as diversity reception, so as to further improve the reliability of the rf PA Mid device 10 for receiving and transmitting rf signals.

In this embodiment, the rf PA Mid device 10 is configured by integrating the switch circuit 200 and the three transceiver modules 100 in the same device, so as to implement transmission control and reception control of the rf signals in multiple frequency bands based on the switching function of the switch circuit 200, and at the same time, enable at least two transceiver modules 100 to share part of the antenna ports, thereby further saving the number of antenna ports. Thus, embodiments of the present application provide a highly integrated, small rf PA Mid device 10.

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

Specifically, three transceiver modules 100 are defined as a first transceiver module 110, a second transceiver module 120, and a third transceiver module 130, respectively. The first transceiver module 110 is configured to support the transceiver of the radio frequency signal in the N41 frequency band, the second transceiver module 120 is configured to support the transceiver of the radio frequency signal in the N77 frequency band, and the third transceiver module 130 is configured to support the transceiver of the radio frequency signal in the N79 frequency band. The first transceiver module 110 is directly connected to the antenna port, and the second transceiver module 120 and the third transceiver module 130 are each connected to the antenna port via the switching circuit 200. It will be appreciated that in other embodiments, the third transceiver module 130 may be directly connected to the antenna port, and the first transceiver module 110 and the second transceiver module 120 may each be connected to the antenna port via the switch circuit 200.

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

An input end of the transmitting circuit 1012 is connected to the transmitting port, an output end of the transmitting circuit 1012 is connected to the antenna port or connected to the antenna port through the switch circuit 200, and the transmitting circuit 1012 is configured to receive a radio frequency signal and amplify the received radio frequency signal. Referring to fig. 3, the transmitting circuit 1012 may include a power amplifier 1015 to amplify the received rf signal, and the amplification factor of the power amplifier 1015 may be set according to the transmit power requirement of the rf PA Mid device 10.

An input terminal of the first receiving circuit 1011 is connected to the antenna port or is connected to the antenna port via the switching circuit 200, and an output terminal of the first receiving circuit 1011 is connected to one of the receiving ports. The receiving circuit includes a low noise amplifier 1014, where the low noise amplifier 1014 is configured to amplify a received radio frequency signal and transmit the processed signal to a receiving port.

It will be appreciated that the power amplifier 1015 described above is merely an infrastructure in the transmit circuit 1012, and in other embodiments, other power adjustment devices, power detection devices, switching devices, and other functional devices may be further disposed in the transmit circuit 1012 to implement more complex transmit functions. Similarly, other functional devices may be further provided in the first receiving circuit 1011 to realize a more complex receiving function. In other embodiments, for simplifying the drawing, the embodiments are provided by taking the example that the transmitting circuit 1012 includes a power amplifier 1015 and the first receiving circuit 1011 includes a low noise amplifier 1014 as examples, and in other embodiments, details will not be repeated.

With continued reference to fig. 3, the transceiver unit 101 further comprises a fourth switching device 1013. The fourth switching device 1013 includes two first ends and one second end, the two first ends of the fourth switching device 1013 are respectively connected with the output end of the transmitting circuit 1012 and the input end of the first receiving circuit 1011 in a one-to-one correspondence manner, and the second end of the fourth switching device 1013 is connected with the antenna port or connected with the antenna port via the switching circuit 200. In this embodiment, based on the fourth switching device 1013, the transmitting circuit 1012 and the first receiving circuit 1011 in the same transceiver unit 101 may be switched, so that the two circuits share the same antenna port, thereby saving the number of antenna ports and improving the integration level of the rf PA Mid device 10.

Fig. 4 is a third block diagram of a three-band single-channel rf PA Mid device 10 according to an embodiment, referring to fig. 4, in this embodiment, the rf PA Mid device 10 further includes a plurality of filtering units 300. Each transceiver unit 101 is respectively connected to one of the antenna ports or to a first end of the switch circuit 200 through one of the filter units 300, specifically, in the embodiment shown in fig. 4, the transceiver unit 101 of the first transceiver module 110 is directly connected to the antenna port, and the transceiver units 101 of the second transceiver module 120 and the transceiver unit 101 of the third transceiver module 130 are each indirectly connected to the antenna port through the switch circuit 200. In this embodiment, the filtering unit 300 is disposed on the receiving path of the low noise amplifier 1014 and on the transmitting path of the power amplifier 1015, so that the filtering unit 300 can filter the received rf signal and the transmitted rf signal in a time-sharing manner, thereby realizing a complete filtering function. Moreover, compared with the mode that the transmitting path and the receiving path are respectively provided with one filtering unit 300, the embodiment can further reduce the number of the filtering units 300 required by the radio frequency PA Mid device 10 on the premise of not influencing the filtering function by sharing the power of the filtering unit 300 by the low noise amplifier 1014 and the power amplifier 1015, thereby improving the integration level of the radio frequency PA Mid device 10.

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

Fig. 5 is a block diagram of a three-band single-channel rf PA Mid device 10 according to an embodiment, referring to fig. 5, in this embodiment, the switch circuit 200 includes a first switch device 210, where the first switch device 210 includes at least two first ends and a plurality of second ends, a first end of the switch circuit 200 is connected to the transceiver unit 101 of the second transceiver module 120, another first end of the switch circuit 200 is connected to the transceiver unit 101 of the third transceiver module 130, and a plurality of second ends of the first switch device 210 are respectively connected to a part of the antenna ports in a one-to-one correspondence manner, where each of the remaining antenna ports is connected to the transceiver unit 101 of the first transceiver module 110. In particular, in the present embodiment, the first transceiver module 110 is connected to the antenna port via the filter 310 with the N41 frequency band, the second transceiver module 120 is connected to the antenna port via the filter 310 with the N77 frequency band and the first switch device 210, and the third transceiver module 130 is connected to the antenna port via the filter 310 with the N79 frequency band and the first switch device 210. Illustratively, the first switching device 210 may selectively turn on the radio frequency path between the second transceiver module 120 and the antenna port ANT3, and simultaneously turn on the radio frequency path between the third transceiver module 130 and the antenna port AUX 1.

It is understood that the first switching device 210 may implement two first terminals and a plurality of second terminals through connection of a plurality of different switches, and the present application is not particularly limited to the internal structure of the first switching device 210. For example, fig. 5 shows a first switching device 210 having two first terminals and five second terminals, which is formed by a 2P3T switch and a 3P4T switch.

It can be understood that in the prior art, if a radio frequency transceiver system for implementing three-band transceiving of N41, N77 and N79 is required, an externally hung radio frequency PA Mid device 10 of the N41 band is generally required to be connected, and in this embodiment, by integrating the transceiver modules 100 of the three bands of N41, N77 and N79 in the same radio frequency PA Mid device 10, the radio frequency PA Mid device 10 of the N41 single band can be removed, so that the area of 20mm 2 in the radio frequency transceiver system is saved approximately, and further, the physical space is removed for performance optimization of other modules. In addition, the tri-band rf PA Mid device 10 can simplify the power supply layout and logic control wiring, which is more beneficial to signal integrity, reduces mutual interference between signals, and simultaneously reduces the number and density of wirings of PCBs (Printed Circuit Board, printed circuit boards), and also reduces the complexity of the process flow when the rf transceiver system is assembled, thereby further reducing the overall cost of the rf transceiver system to which the rf PA Mid device 10 of the embodiment is applied.

Fig. 6 is a fifth block diagram of a three-band single-channel rf PA Mid device 10 according to an embodiment, referring to fig. 6, in this embodiment, the rf PA Mid device 10 is further configured with a coupling output port CPLOUT, and the rf PA Mid device 10 further includes a coupling circuit 400. The coupling circuit 400 is disposed on the transmitting channel between the transmitting port and the antenna port, and is configured to couple the radio frequency signal transmitted by the transmitting channel, so as to output a coupling signal via the coupling end of the coupling circuit 400, where the coupling signal is used for transmitting to the coupling output port CPLOUT, and the coupling signal can be used for measuring the forward coupling power and the reverse coupling power of the radio frequency signal.

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

Further, coupling switches, that is, a plurality of SPDT switches and a plurality of DPDT switches in the coupling circuit 400 in the embodiment of fig. 6, are further provided in the coupling circuit 400, and the coupling switches are respectively connected to the coupling terminal, the coupling input port CPLIN, and the coupling output port CPLOUT of the coupling circuit 400, and are used for selectively outputting the coupling signals to the coupling output port CPLOUT or inputting the coupling signals of other coupling circuits 400 from the coupling input port CPLIN. It can be understood that if a plurality of rf PA Mid devices 10 are disposed in the rf transceiver system, the distance between the plurality of rf PA Mid devices 10 is generally smaller, and the distance between the rf PA Mid device 10 and the rf transceiver 20 is larger, so that one coupling circuit 400 can obtain the coupling signal of another coupling circuit 400 and transmit the coupling signal, that is, the coupling circuit 400 is used to transfer the rf signal, so that the number of wires between the coupling circuit 400 and the rf transceiver 20 is reduced, and the same coupling signal transmission function is realized with a smaller number of wires, so as to further improve the integration level of the rf transceiver system.

With continued reference to fig. 6, the rf PA Mid device 10 further includes a pa+asm RFFE1 control unit, where the pa+asm RFFE1 control unit is connected to each switch unit and the power amplifier 1015, and the pa+asm RFFE1 control unit is configured to control on-off of each switch unit and is also configured to control an operating state of each power amplifier 1015. Specifically, the pa+asm RFFE1 control unit may be a mobile industry processor interface (Mobile Industry Processor Interface, MIPI) -radio frequency front end control interface (RF Front End Control Interface, RFFE) control unit. When the pa+asm RFFE1 control unit is a MIPI-RFFE control unit, its rf PA Mid device 10 is also configured with an input pin CLK for a clock signal, an input or bidirectional pin DATA1 for a single/bidirectional DATA signal, a reference voltage pin VIO, etc.

Further, the rf PA Mid device 10 may further include an LNA RFFE2 control unit, where the LNA RFFE2 control unit is connected to the low noise amplifiers 1014, and the LNA RFFE2 control unit is configured to adjust a gain factor of each of the low noise amplifiers 1014 to reduce a cascading noise factor of the rf signal receiving channel, thereby improving the sensitivity of the rf PA Mid device 10. The LNA RFFE2 control unit may be a MIPI-RFFE control unit, which complies with the control protocol of the RFFE bus, and when the LNA RFFE2 control unit is a MIPI-RFFE control unit, the rf PA Mid device 10 is further configured with an input pin clk_lna1 for a clock signal, an input for a single/bidirectional DATA signal, or a bidirectional pin data_lna1.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 6 may be integrally packaged in the same package module, fig. 7 is a schematic diagram of the package structure of the rf PA Mid device 10 in the embodiment of fig. 6, and as shown in fig. 7, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

Based on the aforementioned rf PA Mid device 10 in fig. 6, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 8 is one of the block diagrams of the rf transceiver system according to an embodiment, and referring to fig. 8, the rf transceiver system includes the rf PA Mid device 10, the fifth switching device 51, four antennas, three receiving modules 40, four combiners 30 and one rf transceiver 20.

In this embodiment, the rf PA Mid device 10 is configured with five antenna ports for transmitting rf signals, ANT1, ANT2, AUX1, AUX2, and AUX3, respectively, and is further configured with one standby antenna port ANT3.

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

Each receiving module 40 is correspondingly connected to one second end of the fifth switching device 51 and one of the remaining four antenna ports, specifically, three receiving modules 40 are correspondingly connected to the antenna ports AUX1, AUX2 and AUX3 one by one.

Two first ends of one combiner 30 are respectively connected with one second end and one remaining antenna port of the fifth switching device 51, the first ends of the remaining combiners 30 are respectively connected with one receiving module 40, specifically, two first ends of one combiner 30 are respectively connected with one second end and an antenna port ANT2 of the fifth switching device 51, the remaining three combiners 30 are respectively connected with three transceiver modules 100 in a one-to-one correspondence manner, and the second ends of four combiners 30 are respectively connected with four antennas in a one-to-one correspondence manner.

The antenna is used for receiving and transmitting radio frequency signals. The antennas may be directional antennas or non-directional antennas. Illustratively, each antenna may be formed using any suitable type of antenna. For example, each antenna may include an antenna with a resonating element formed from the following antenna structure: at least one of an array antenna structure, a loop antenna structure, a patch antenna structure, a slot antenna structure, a helical antenna structure, a strip antenna, a monopole antenna, a dipole antenna, and the like.

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

Based on the radio frequency transceiver system shown in fig. 8, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 1 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 1:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; the SPDT switch switches through filter 310 to the ANT1 port; SP4T switching via Path1 to the fifth switching device 51; SP4T is switched to Path2, and is output to antenna ANT0 through combiner 30, so as to realize SRS function; SP4T switches to Path3 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path6, and is output to the antenna ANT1 via the combiner 30, so as to realize the SRS function; SP4T switches to Path4 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path7, and is output to the antenna ANT2 via the combiner 30, so as to realize the SRS function; SP4T switches to Path5 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path8, and outputs to the antenna ANT3 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 1, and will not be described herein.

Table 1t4r SRS detailed path configuration table

	N41	N77	N79
				Channel0	Path1->Path2	Path9	Path9
Channel1	Path1->Path3->Path6	Path10->Path13	Path10->Path13
				Channel2	Path1->Path4->Path7	Path11->Path14	Path11->Path14
Channel3	Path1->Path5->Path8	Path12->Path15	Path12->Path15

Fig. 9 is a sixth block diagram of a three-band single-channel rf PA Mid device 10 according to an embodiment, referring to fig. 9, in this embodiment, the switching circuit 200 further includes a second switching device 220. The second switching device 220 includes at least one first end and a plurality of second ends, a first end of the second switching device 220 is connected to the transceiver unit 101 of the first transceiver module 110, and the plurality of second ends of the second switching device 220 are respectively connected to another part of the antenna ports in a one-to-one correspondence. As can be seen from fig. 6 and 8, in the present embodiment, by providing the second switching device 220, the fifth switching device 51 in the embodiment of fig. 8 can be saved, so as to further improve the integration level of the rf PA Mid device 10.

It can be appreciated that, in order to implement the SRS function of 1T4R, the 3P4T switch in the first switching device 210 is reserved in the rf PA Mid device 10 of the embodiment of fig. 6, so that three antenna ports AUX are additionally added, but the 3P4T switch occupies the space in the device, and affects other modules in the device, so that the 3P4T and DP3T are integrated into the DP4T switch based on the optimization scheme framework.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 9 may be integrally packaged in the same package module, fig. 10 is a schematic diagram of a package structure of the rf PA Mid device 10 in the embodiment of fig. 9, and as shown in fig. 10, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

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

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

Based on the radio frequency transceiver system shown in fig. 11, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 2 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 2:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20 device; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, through filter 310, to SP4T switch; SP4T switches to Path1, and outputs to antenna ANT0 via combiner 30 to realize SRS function; SP4T switches to Path2 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path5, and is output to the antenna ANT1 via the combiner 30, so as to realize the SRS function; SP4T switches to Path3 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path6, and is output to the antenna ANT2 via the combiner 30, so as to realize the SRS function; SP4T switches to Path4 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path7, and outputs to the antenna ANT3 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 2, and will not be described herein.

Table 21 t4r SRS detailed path configuration table

	N41	N77	N79
				Channel0	Path1	Path8	Path8
Channel1	Path2->Path5	Path9->Path12	Path9->Path12
				Channel2	Path3->Path6	Path10->Path13	Path10->Path13
Channel3	Path4->Path7	Path11->Path14	Path11->Path14

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

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

Based on the aforementioned rf PA Mid device 10 in fig. 12, the embodiment of the present application further provides an rf transceiver system. It can be understood that the connection relationship of the rf transceiver system of the present embodiment is similar to that of the rf transceiver system of the embodiment of fig. 11, so that the description thereof will not be repeated here.

Based on the radio frequency transceiver system shown in fig. 13, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 3 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 3:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches through filter 310 to third switching device 230; the third switching device 230 is switched to Path1, and outputs to the antenna ANT0 via the combiner 30, thereby realizing the SRS function; the third switching device 230 switches to Path2 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path5, and is output to the antenna ANT1 via the combiner 30, so as to realize the SRS function; the third switching device 230 switches to Path3 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path6, and is output to the antenna ANT2 via the combiner 30, so as to realize the SRS function; the third switching device 230 switches to Path4 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched to Path7, and outputs to the antenna ANT3 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 3, and will not be described herein.

Table 31 t4r SRS detailed path configuration table

Further, taking N41 as an example, the working principle of continuing to analyze the radio frequency signal transceiving of the radio frequency transceiving system of fig. 13 is as follows:

TX path: the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches through filter 310 to third switching device 230; the third switching device 230 switches to the Path1 Path, and outputs to the antenna ANT0 via the combiner 30;

PRX pathway: the reception signal enters from the antenna ANT0 to the combiner 30; via Path1 to the ANT1 port; the third switching device 230 switches to contact 9, through filter 310, to the SPDT switch; the SPDT switch is switched to the receive path, amplified by the low noise amplifier 1014, and then to the RX1 port; entering the radio frequency transceiver 20 from the SDR PRX7 port;

DRX path: the reception signal enters from the antenna ANT1 to the combiner 30; through Path5 to the SPDT switch in the receiving module 40; the SPDT switch in the receiving module 40 is switched, through the filter 310, to the ANT of the receiving module 40; amplified by the low noise amplifier 1014, enters the radio frequency transceiver 20 from the SDR DRX7 port to the RXOUT port;

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

Fig. 14 is one of the structural block diagrams of a three-band two-channel rf PA Mid device 10 according to an embodiment, where the three-band two-channel rf PA Mid device 10 means that the three-band two-channel rf PA Mid device 10 supports receiving and transmitting rf signals in three bands, and two receiving channels and one transmitting channel are correspondingly disposed in each band. Referring to fig. 14, in the present embodiment, the first switching device 210 includes four first terminals, and the transceiver module 100 includes a second receiving circuit 1021 in addition to a transceiver unit 101. The second receiving circuit 1021 of the first transceiver module 110 is correspondingly connected to one of the antenna ports and one of the receiving ports, and the four first ends of the first switch device 210 are correspondingly connected to the transceiver units 101 of the remaining two transceiver modules 100 and the second receiving circuit 1021.

In this embodiment, the rf PA Mid device 10 has a greater number of receiving ports, where the multiple receiving ports may include a main set receiving port PRX and a diversity receiving port DRX that are arranged in pairs, where the main set receiving port PRX and the diversity receiving port DRX may be used to receive two different signals carrying the same information, where a difference between the two signals may include at least one of a transmission path, a frequency, a time, a diversity mode, and the like, and process signals from the two receiving ports according to a preset rule, so as to obtain final receiving information. Through the arrangement mode, the accuracy of information transmission can be effectively improved, namely, the radio frequency PA Mid device 10 with higher reliability is provided.

It should be noted that the number of receiving circuits in each transceiver module 100 is not limited to two as shown in fig. 14, that is, one first receiving circuit 1011 and one second receiving circuit 1021 that are additionally provided in the transceiver unit 101, in order to achieve higher throughput, a greater number of receiving circuits, for example, four, eight receiving circuits, etc. may be provided in the rf PA Mid device 10 to form a greater number of receiving channels for the rf signals in the rf PA Mid device 10. In other embodiments, the structure of the rf PA Mid device 10 configured with more than eight receiving circuits is similar to that of the rf PA Mid device 10 provided in the specification, and reference is made to the arrangement, and no further description is given in the present application.

With continued reference to fig. 14, in this embodiment, the radio frequency PA Mid device 10 may further include an LNA RFFE3 control unit, the LNA RFFE3 control unit being connected to the low noise amplifier 1014, and the LNA RFFE3 control unit and the LNA RFFE2 control unit may be connected to different low noise amplifiers 1014 to control the different low noise amplifiers 1014. The LNA RFFE3 control unit may be a MIPI-RFFE control unit, which complies with the control protocol of the RFFE bus, and when the LNA RFFE3 control unit is a MIPI-RFFE control unit, the rf PA Mid device 10 is further configured with an input pin clk_lna2 for a clock signal, an input for a single/bidirectional DATA signal, or a bidirectional pin data_lna2.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 14 may be integrally packaged in the same package module, fig. 15 is a schematic diagram of the package structure of the rf PA Mid device 10 in the embodiment of fig. 14, and as shown in fig. 15, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

Based on the aforementioned rf PA Mid device 10 in fig. 14, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 16 is a fourth block diagram of a radio frequency transceiver system according to an embodiment, and referring to fig. 16, the radio frequency transceiver system includes the radio frequency PA Mid device 10, the sixth switching device 52, two antennas, two combiners 30 and one radio frequency transceiver 20 as described above.

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

Based on the radio frequency transceiver system shown in fig. 16, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 4 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 4:

The transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20 device; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; the SPDT switch switches through filter 310 to the ANT1 port; SPDT switches in the sixth switching device 52 via Path 1; the SPDT switch in the sixth switching element 52 is switched to Path2, and is output to the antenna ANT0 via the combiner 30, so as to realize the SRS function; the SPDT switch in the receiving module 40 switches to Path3 to the SPDT switch in the receiving module 40; the SPDT switch in the sixth switching element 52 is switched to Path5, and is output to the antenna ANT1 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 4, and will not be described herein.

TABLE 4 1T2R SRS detailed Path configuration Table

	N41	N77	N79
				Channel0	Path1->Path2	Path6	Path6
Channel1	Path1->Path3->Path5	Path7	Path7

Fig. 17 is a second block diagram of a three-band two-channel rf PA Mid device 10 according to an embodiment, referring to fig. 17, in this embodiment, the first switch device 210 includes four first ends, the second switch device 220 includes two first ends, the transceiver module 100 further includes a second receiving circuit 1021, the second receiving circuit 1021 is correspondingly connected to one of the receiving ports, the two first ends of the second switch device 220 are respectively connected to the transceiver units 101 and the second receiving circuits 1021 of the first transceiver module 110 in a one-to-one correspondence manner, and the four first ends of the first switch device 210 are respectively connected to the transceiver units 101 and the second receiving circuits 1021 of the remaining two transceiver modules 100 in a one-to-one correspondence manner. It is understood that the second switching device 220 of the present embodiment is similar to the second switching device 220 of the embodiment of fig. 9, so that the description thereof will not be repeated.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 17 may be integrally packaged in the same package module, fig. 18 is a schematic diagram of the package structure of the rf PA Mid device 10 in the embodiment of fig. 17, and as shown in fig. 18, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

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

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

Based on the radio frequency transceiver system shown in fig. 19, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 5 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 5:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20 device; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the DPDT switch of the second switching device 220; the DPDT switch is switched to the ANT1 port, and the Path1 is passed to the combiner 30; the signals are combined by the combiner 30 to be output to the antenna ANT0, so that the SRS function is realized; the DPDT switch is switched to the ANT2 port, and the Path2 Path is passed to the combiner 30; the signals are combined by the combiner 30 and output to the antenna ANT1, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 5, and will not be described herein.

TABLE 5 1T2R SRS detailed Path configuration Table

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Fig. 20 is a third block diagram of a three-band two-channel rf PA Mid device 10 according to an embodiment, referring to fig. 20, in this embodiment, the third switching device 230 includes six first ends, the transceiver module 100 further includes a second receiving circuit 1021, the second receiving circuit 1021 is correspondingly connected to one of the receiving ports, and the six first ends of the third switching device 230 are respectively connected to the transceiver units 101 and the second receiving circuits 1021 of the three transceiver modules 100 in a one-to-one correspondence. It is understood that the arrangement principle of the third switching device 230 of the present embodiment is similar to that of the third switching device 230 of the embodiment of fig. 12, so that the description thereof will not be repeated.

Based on the aforementioned rf PA Mid device 10 in fig. 20, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 21 is a sixth block diagram of a radio frequency transceiver system according to an embodiment, and referring to fig. 21, the radio frequency transceiver system includes the radio frequency PA Mid device 10, two antennas, and one radio frequency transceiver 20 as described above.

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

Based on the radio frequency transceiver system shown in fig. 21, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 6 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 6:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the DP6T switch of third switching device 230; the DP6T switch is switched to contact 7 to the ANT1 port; outputting to an antenna ANT0 through a Path1 Path to realize the SRS function; the DP6T switch switches to contact 8 to the ANT2 port; and outputting the signal to an antenna ANT1 through a Path2 Path to realize the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 6, and will not be described herein.

TABLE 6 1T2R SRS detailed Path configuration Table

	N41	N77	N79
				Channel0	Path1	Path1	Path1
Channel1	Path2	Path2	Path2

Further, taking N41 as an example, the working principle of continuing to analyze the radio frequency signal transceiving of the radio frequency transceiving system of fig. 21 is as follows:

TX path: the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the DP6T switch of third switching device 230; the DP6T switch is switched to contact 7 to the ANT1 port; via Path1 to antenna ANT0 for output;

PRX pathway: a received signal enters from an antenna ANT0 and passes through a Path1 Path to an ANT1 port; the DP6T switch switches to contact 1, through filter 310, to the SPDT switch; the SPDT switch is switched to the receive path, amplified by the low noise amplifier 1014, and then connected to the prx_n41 port; entering the radio frequency transceiver 20 from the SDR PRX7 port;

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

Fig. 22 is one of the structural block diagrams of a three-band four-channel rf PA Mid device 10 according to an embodiment, where the three-band four-channel rf PA Mid device 10 means that the three-band four-channel rf PA Mid device 10 supports receiving and transmitting of rf signals in three bands, and four receiving channels and a transmitting channel are correspondingly disposed in each band. Referring to fig. 22, in the present embodiment, the first switching device 210 includes eight first ends, the transceiver module 100 further includes three second receiving circuits 1021, each second receiving circuit 1021 of the first transceiver module 110 is correspondingly connected to one of the antenna ports and one of the receiving ports, and the eight first ends of the first switching device 210 are correspondingly connected to the transceiver units 101 of the remaining two transceiver modules 100 and the three second receiving circuits 1021, respectively.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 22 may be integrally packaged in the same package module, fig. 23 is a schematic diagram of the package structure of the rf PA Mid device 10 in the embodiment of fig. 22, and as shown in fig. 23, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

Based on the aforementioned rf PA Mid device 10 in fig. 22, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 24 is a seventh block diagram of a radio frequency transceiver system according to an embodiment, and referring to fig. 24, the radio frequency transceiver system includes the radio frequency PA Mid device 10, the seventh switch device 53, four antennas, four combiners 30 and one radio frequency transceiver 20 as described above.

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

Based on the radio frequency transceiver system shown in fig. 24, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 7 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 7:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20 device; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; the SPDT switch switches through filter 310 to the ANT1 port; through Path1 to the SP4T switch; SP4T is switched to Path2, and is output to antenna ANT0 through combiner 30, so as to realize SRS function; SP4T switches to Path3 to SPDT switches in the seventh switching device 53; the SPDT switch in the seventh switching element 53 is switched to Path6, and is output to the antenna ANT1 via the combiner 30, thereby realizing the SRS function; SP4T switches to Path4 to SPDT switches in the seventh switching device 53; the SPDT switch in the seventh switching element 53 is switched to Path7, and is output to the antenna ANT2 via the combiner 30, thereby realizing the SRS function; SP4T switches to Path5 to SPDT switches in the seventh switching device 53; the SPDT switch in the seventh switching element 53 is switched to Path8, and is output to the antenna ANT3 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 7, and will not be described herein.

Table 7 1t4r SRS detailed path configuration table

	N41	N77	N79
				Channel0	Path1->Path2	Path9	Path9
Channel1	Path1->Path3->Path6	Path10	Path10
				Channel2	Path1->Path4->Path7	Path11	Path11
Channel3	Path1->Path5->Path8	Path12	Path12

Fig. 25 is a second block diagram of a three-band four-channel rf PA Mid device 10 according to an embodiment, referring to fig. 25, in this embodiment, the first switch device 210 includes eight first ends, the second switch device 220 includes four first ends and four second ends, the transceiver module 100 further includes three second receiving circuits 1021, each of the second receiving circuits 1021 is correspondingly connected to one of the receiving ports, the four first ends of the second switch device 220 are correspondingly connected to the transceiver units 101 and three second receiving circuits 1021 of the first transceiver module 110, and the eight first ends of the first switch device 210 are correspondingly connected to the transceiver units 101 and three second receiving circuits 1021 of the remaining two transceiver modules 100. It is understood that the second switching device 220 of the present embodiment is similar to the second switching device 220 of the embodiment of fig. 9, so that the description thereof will not be repeated.

In one embodiment, based on that each device in the rf PA Mid device 10 shown in fig. 25 may be integrally packaged in the same package module, fig. 26 is a schematic diagram of the package structure of the rf PA Mid device 10 in the embodiment of fig. 25, and as shown in fig. 26, each pin in the rf PA Mid device 10 (package chip) corresponds to a plurality of ports configured by the rf PA Mid device 10 one to one.

Based on the aforementioned rf PA Mid device 10 in fig. 25, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 27 is an eighth block diagram of a radio frequency transceiver system according to an embodiment, and referring to fig. 27, the radio frequency transceiver system includes the radio frequency PA Mid device 10, four antennas, four combiners 30 and one radio frequency transceiver 20 as described above.

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

Based on the radio frequency transceiver system shown in fig. 27, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 8 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 8:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20 device; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the 4P4T switch of the second switching device 220; the 4P4T switch is switched to Path1, and is output to the antenna ANT0 through the combiner 30, so that the SRS function is realized; the 4P4T switch is switched to Path2, and is output to the antenna ANT1 through the combiner 30, so that the SRS function is realized; the 4P4T switch is switched to Path3, and is output to the antenna ANT2 through the combiner 30, so that the SRS function is realized; the 4P4T switch is switched to Path4, and the signal is output to the antenna ANT3 via the combiner 30, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 8, and will not be described herein.

Table 8 1t4r SRS detailed path configuration table

	N41	N77	N79
				Channel0	Path1	Path5	Path5
Channel1	Path2	Path6	Path6
				Channel2	Path3	Path7	Path7
Channel3	Path4	Path8	Path8

Fig. 28 is a third block diagram of a three-band four-channel rf PA Mid device 10 according to an embodiment, referring to fig. 28, in this embodiment, the third switching device 230 includes twelve first ends, the transceiver module 100 further includes three second receiving circuits 1021, each of the second receiving circuits 1021 is correspondingly connected to one of the receiving ports, and the twelve first ends of the third switching device 230 are correspondingly connected to the transceiver units 101 of the three transceiver modules 100 and the three second receiving circuits 1021, respectively. It is understood that the arrangement principle of the third switching device 230 of the present embodiment is similar to that of the third switching device 230 of the embodiment of fig. 12, so that the description thereof will not be repeated.

Based on the aforementioned rf PA Mid device 10 in fig. 28, the embodiment of the present application further provides an rf transceiver system. Specifically, fig. 29 is a block diagram of a radio frequency transceiver system according to an embodiment, and referring to fig. 29, the radio frequency transceiver system includes the radio frequency PA Mid device 10, four antennas, and one radio frequency transceiver 20 as described above.

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

Based on the radio frequency transceiver system shown in fig. 29, specifically analyzing the SRS round robin control principle of the radio frequency transceiver system, table 9 is an SRS detailed path configuration table of the radio frequency PA Mid device 10 of the present embodiment, and the SRS working principle of analyzing N41 is as follows in combination with reference to table 9:

the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the 4P12T switch of third switching device 230; the 4P12T switch of the third switching device 230 is switched to the ANT1 port, and is output to the antenna ANT0 via Path1, thereby implementing the SRS function; the 4P12T switch of the third switching device 230 is switched to the ANT2 port, and is output to the antenna ANT1 via Path2, thereby implementing the SRS function; the 4P12T switch of the third switching device 230 is switched to the ANT3 port, and is output to the antenna ANT2 via Path3, thereby implementing the SRS function; the 4P12T switch of the third switching device 230 is switched to the ANT4 port, and is output to the antenna ANT3 via Path4, thereby realizing the SRS function.

It can be appreciated that the SRS operation principles of N77 and N79 can refer to table 9, and will not be described herein.

Table 9 1t4r SRS detailed path configuration table

	N41	N77	N79
				Channel0	Path1	Path1	Path1
Channel1	Path2	Path2	Path2
				Channel2	Path3	Path3	Path3
Channel3	Path4	Path4	Path4

Further, taking N41 as an example, the working principle of continuing to analyze the radio frequency signal transceiving of the radio frequency transceiving system of fig. 29 is as follows:

TX path: the transmit signal is output from the TX1 HB2 port of the radio frequency transceiver 20; enters the radio frequency PA Mid device 10 from the RFIN1 port, is amplified by the power amplifier 1015, and then goes to the SPDT switch of the fourth switch device 1013; SPDT switch switches, via filter 310, to the 4P12T switch of third switching device 230; the 4P12T switch of the third switching device 230 is switched to the ANT1 port, and is output to the antenna ANT0 via the Path1 Path;

PRX pathway: a received signal enters from an antenna ANT0 and passes through a Path1 Path to an ANT1 port; the 4P12T switch of the third switching device 230 switches to contact 1, through filter 310, to the SPDT switch; the SPDT switch is switched to the receive path, amplified by the low noise amplifier 1014, and then connected to the prx1_n41 port; entering the radio frequency transceiver 20 from the SDR PRX7 port;

DRX path: a received signal enters from an antenna ANT1 and passes through a Path2 Path to an ANT2 port; the 4P12T switch of the third switching device 230 is switched to contact 2, filtered by the filter 310, amplified by the low noise amplifier 1014, and then connected to the DRX1_n41 port; entering the radio frequency transceiver 20 from the SDR DRX7 port;

PRX MIMO path: a received signal enters from an antenna ANT2 and passes through a Path3 Path to an ANT3 port; the 4P12T switch of the third switching device 230 is switched to contact 3, filtered by the filter 310, amplified by the low noise amplifier 1014, and then to the prx2_n41 port; entering the radio frequency transceiver 20 from the SDR PRX5 port;

DRX MIMO path: a received signal enters from an antenna ANT3 and passes through a Path4 to an ANT4 port; the 4P12T switch of the third switching device 230 is switched to contact 4, filtered by the filter 310, amplified by the low noise amplifier 1014, and then to the DRX2_n41 port; from the SDR DRX5 port into the radio frequency transceiver 20.

The embodiment of the application also provides communication equipment comprising the radio frequency receiving and transmitting system.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few implementations of the present examples, which are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made to the present application without departing from the spirit of the embodiments of the application. Accordingly, the protection scope of the patent of the embodiments of the application shall be subject to the appended claims.

Claims

1. A radio frequency PA Mid device configured with a plurality of transmit ports and a plurality of receive ports for connecting to a radio frequency transceiver, and a plurality of antenna ports for connecting to an antenna, the radio frequency PA Mid device comprising:

the three transceiver modules are respectively used for supporting the transceiver of radio frequency signals of three different frequency bands in a one-to-one correspondence manner, the three transceiver modules are respectively a first transceiver module, a second transceiver module and a third transceiver module, the transceiver modules comprise transceiver units, two first ends of the transceiver units are respectively connected with one receiving port and one transmitting port in a one-to-one correspondence manner, a second end of the transceiver units is connected with the antenna port or connected with the antenna port through a switch circuit, and the transceiver units are used for supporting single-channel transceiver of radio frequency signals;

the switching circuit is used for selectively conducting a radio frequency channel between the transceiver module and the antenna port, the switching circuit comprises a first switching device, the first switching device comprises at least two first ends and a plurality of second ends, one first end of the first switching device is connected with the transceiver unit of the second transceiver module, the other first end of the first switching device is connected with the transceiver unit of the third transceiver module, and the plurality of second ends of the first switching device are respectively connected with part of the antenna ports in a one-to-one correspondence manner; and the remaining antenna ports are connected with a transceiver unit of the first transceiver module.

2. The rf PA Mid device of claim 1, wherein the switching circuit further comprises:

the second switching device comprises at least one first end and a plurality of second ends, wherein one first end of the second switching device is connected with the transceiver unit of the first transceiver module, and the plurality of second ends of the second switching device are respectively connected with the other antenna ports in a one-to-one correspondence manner.

3. The rf PA Mid device of claim 1, wherein the first switching device includes four first terminals, the transceiver module further comprising:

and the second receiving circuit of the first transceiver module is correspondingly connected with one antenna port and one receiving port respectively, and four first ends of the first switch device are correspondingly connected with the transceiver units and the second receiving circuits of the remaining two transceiver modules one by one respectively.

4. The rf PA Mid device of claim 2, wherein the first switching device comprises four first terminals and the second switching device comprises two first terminals, the transceiver module further comprising:

the second receiving circuit is correspondingly connected with one receiving port, two first ends of the second switching device are respectively connected with the transceiver unit of the first transceiver module and the second receiving circuit in a one-to-one correspondence manner, and four first ends of the first switching device are respectively connected with the transceiver units of the remaining two transceiver modules and the second receiving circuit in a one-to-one correspondence manner.

5. The rf PA Mid device of claim 1, wherein the first switching device includes eight first terminals, the transceiver module further comprising:

and the eight first ends of the first switch devices are respectively connected with the transceiver units of the remaining two transceiver modules and the three second receiving circuits in a one-to-one correspondence manner.

6. The rf PA Mid device of claim 2, wherein the first switching device comprises eight first terminals and the second switching device comprises four first terminals, the transceiver module further comprising:

and the eight first ends of the first switch devices are respectively connected with the transceiver units of the remaining two transceiver modules and the three second receiving circuits in a one-to-one correspondence.

7. The radio frequency PA Mid device according to any one of claims 1 to 6, wherein the transceiver unit comprises:

The input end of the transmitting circuit is connected with the transmitting port, the output end of the transmitting circuit is connected with the antenna port or the antenna port through the switch circuit, and the transmitting circuit is used for receiving radio frequency signals and amplifying the received radio frequency signals;

and the input end of the first receiving circuit is connected with the antenna port or the antenna port through the switch circuit, and the output end of the first receiving circuit is connected with one receiving port.

8. The rf PA Mid device of claim 7, wherein the transceiver unit further comprises:

the fourth switching device comprises two first ends and a second end, the two first ends of the fourth switching device are respectively connected with the output end of the transmitting circuit and the input end of the first receiving circuit in a one-to-one correspondence mode, and the second end of the fourth switching device is connected with the antenna port or connected with the antenna port through the switching circuit.

9. The rf PA Mid device of any one of claims 1-6, further comprising;

the transceiver units are respectively connected to one antenna port or one first end of the switch circuit through one filter unit.

10. The rf PA Mid device according to any one of claims 1-6, wherein the first transceiver module is configured to support the transmission and reception of an N41 band rf signal, the second transceiver module is configured to support the transmission and reception of an N77 band rf signal, and the third transceiver module is configured to support the transmission and reception of an N79 band rf signal.

11. The rf PA Mid device of any one of claims 1-6, wherein the rf PA Mid device is further configured with a coupling-out port, the rf PA Mid device further comprising:

the coupling circuit is arranged on the transmitting channel between the transmitting port and the antenna port and is used for coupling the radio frequency signals transmitted by the transmitting channel so as to output coupling signals through the coupling end of the coupling circuit, and the coupling signals are used for being transmitted to the coupling output port.

12. A radio frequency transceiver system, comprising:

the radio frequency PA Mid device of claim 1, configured with five antenna ports;

Four antennas for receiving and transmitting radio frequency signals;

13. A radio frequency transceiver system, comprising:

the radio frequency PA Mid device of claim 2, configured with eight antenna ports;

four antennas for receiving and transmitting radio frequency signals;

14. A radio frequency transceiver system, comprising:

the radio frequency PA Mid device of claim 3, said radio frequency PA Mid device configured with four antenna ports;

two antennas for receiving and transmitting radio frequency signals;

15. A radio frequency transceiver system, comprising:

the rf PA Mid device of claim 4, configured with four antenna ports;

two antennas for receiving and transmitting radio frequency signals;

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

16. A radio frequency transceiver system, comprising:

the rf PA Mid device of claim 5, configured with eight antenna ports;

four antennas for receiving and transmitting radio frequency signals;

17. A radio frequency transceiver system, comprising:

the radio frequency PA Mid device of claim 6, said radio frequency PA Mid device configured with eight antenna ports;

four antennas for receiving and transmitting radio frequency signals;

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

18. A communication device comprising a radio frequency transceiver system as claimed in any one of claims 12 to 17.