Wireless transceiver system

Abstract

The invention provides a wireless transceiver system. The wireless transceiving system comprises a transmitter and a receiver, the transmitter and the receiver both have a first mode and a second mode, the transmitter comprises a transmitting terminal mode switching module, and the transmitting terminal mode switching module is used for controlling the transmitter to be switched between the first mode and the second mode; the receiver comprises a receiving end mode switching module, and the receiving end mode switching module is used for controlling the receiver to be switched between the first mode and the second mode. According to the invention, multi-mode switching work can be supported so as to adapt to different communication scenes.

Description

Technical Field

[0001] The present application relates to the field of wireless communication technology, and in particular to a wireless transceiver system. Background Art

[0002] In wireless communication systems, the transceiver system is the core component responsible for sending and receiving signals. Traditional wireless transceiver systems usually adopt fixed architectures, such as zero intermediate frequency or superheterodyne solutions. The zero intermediate frequency system converts the RF signal directly to the baseband signal, omitting the intermediate frequency conversion step; while the superheterodyne system converts the signal from RF to baseband through multiple frequency conversion stages. These traditional solutions perform well in specific application scenarios, but they have the problem of insufficient adaptability when dealing with complex wireless communication needs. For example, a single-mode system often cannot flexibly adjust to different communication scenarios when faced with the needs of multiple frequency bands and high data rates.

[0003] With the continuous development of wireless communication needs, especially in applications such as integrated access and backhaul networks, the fixed architecture of existing systems has gradually exposed the defects of being unable to meet performance and flexibility requirements. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a wireless transceiver system that can support multi-mode switching to adapt to different communication scenarios.

[0005] One aspect of the present application provides a wireless transceiver system. The wireless transceiver system includes a transmitter and a receiver, the transmitter and the receiver both have a first mode and a second mode, the transmitter includes a transmitter mode switching module, the transmitter mode switching module is used to control the transmitter to switch between the first mode and the second mode; the receiver includes a receiver mode switching module, the receiver mode switching module is used to control the receiver to switch between the first mode and the second mode.

[0006] Further, the first mode includes a superheterodyne mode, and the second mode includes a zero intermediate frequency mode.

[0007] Furthermore, the transmitter mode switching module includes a transmitter branch frequency converter, wherein, when the transmitter operates in the superheterodyne mode, the transmitter branch frequency converter is used to receive a superheterodyne input signal, and select a first frequency path corresponding to the superheterodyne mode to perform frequency conversion on the superheterodyne input signal to obtain a radio frequency signal; when the transmitter operates in the zero intermediate frequency mode, the transmitter branch frequency converter is used to receive a zero intermediate frequency input signal, and select a second frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the zero intermediate frequency input signal to obtain a radio frequency signal.

[0008] Furthermore, the transmitting end branch frequency converter includes a transmitting end orthogonal mixer, a transmitting end orthogonal coupler and a transmitting end mode switching mixer, wherein the transmitting end orthogonal coupler is used to receive a first local oscillator signal and generate mutually orthogonal I-path signal and Q-path signal; the transmitting end orthogonal mixer is used to mix the zero intermediate frequency input signal with the I-path signal and the Q-path signal generated by the transmitting end orthogonal coupler to obtain a first mixed signal, and the output end of the transmitting end orthogonal mixer is connected to the input end of the transmitting end mode switching mixer; the transmitting end mode switching mixer is also used to receive the superheterodyne input signal and the second local oscillator signal, and select the first mixed signal or the superheterodyne input signal and the second local oscillator signal for mixing according to the mode of the transmitter to obtain the radio frequency signal.

[0009] Furthermore, the transmitter-end branch frequency converter also includes a first transmitter-end amplifier and a second transmitter-end amplifier, wherein the input end of the first transmitter-end amplifier is used to receive the superheterodyne input signal, and the output end of the first transmitter-end amplifier is connected to the first input end of the transmitter-end mode switching mixer; the second transmitter-end amplifier is located between the transmitter-end orthogonal mixer and the second input end of the transmitter-end mode switching mixer.

[0010] Furthermore, the receiving end mode switching module includes a receiving end branch frequency converter, wherein, when the receiver operates in the superheterodyne mode, the receiving end branch frequency converter is used to receive a radio frequency signal, and select a third frequency path corresponding to the superheterodyne mode to perform frequency conversion on the radio frequency signal to obtain a superheterodyne output signal; when the receiver operates in the zero intermediate frequency mode, the receiving end branch frequency converter is used to receive a radio frequency signal, and select a fourth frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the radio frequency signal to obtain a zero intermediate frequency output signal.

[0011] Furthermore, the receiving end branch frequency converter includes a receiving end mode switching mixer, a receiving end orthogonal mixer and a receiving end orthogonal coupler, wherein the receiving end mode switching mixer is used to receive the radio frequency signal and the second local oscillator signal, and mix the radio frequency signal with the second local oscillator signal according to the mode of the receiver to obtain the second mixed signal or the superheterodyne output signal; the receiving end orthogonal coupler is used to receive the first local oscillator signal and generate mutually orthogonal I-path signal and Q-path signal; the receiving end orthogonal mixer is used to mix the second mixed signal with the I-path signal and the Q-path signal generated by the receiving end orthogonal coupler to obtain the zero intermediate frequency output signal.

[0012] Furthermore, the receiving-end branch frequency converter also includes a first receiving-end amplifier and a second receiving-end amplifier, wherein the input end of the first receiving-end amplifier is connected to the first output end of the receiving-end mode switching mixer, and the output end of the first receiving-end amplifier is used to output the superheterodyne output signal; the second receiving-end amplifier is located between the second output end of the receiving-end mode switching mixer and the receiving-end orthogonal mixer.

[0013] Furthermore, the transmitter also includes a power amplifier, which is located between the output end of the transmitter mode switching module and the transmitter end of the transmitter; the receiver also includes a low noise amplifier, which is located between the receiver end and the input end of the receiver mode switching module.

[0014] Furthermore, the transmitter also includes a first intermediate frequency amplifier, a first I-channel intermediate frequency amplifier and a first Q-channel intermediate frequency amplifier, the first intermediate frequency amplifier is used to amplify the superheterodyne input signal, the first I-channel intermediate frequency amplifier and the first Q-channel intermediate frequency amplifier are used to perform I-channel and Q-channel amplification on the zero intermediate frequency input signal respectively, and the output end of the first intermediate frequency amplifier, the output end of the first I-channel intermediate frequency amplifier and the output end of the first Q-channel intermediate frequency amplifier are all connected to the input end of the transmitting end mode switching module; the receiver also includes a second intermediate frequency amplifier, a second I-channel intermediate frequency amplifier and a second Q-channel intermediate frequency amplifier, and the input end of the second intermediate frequency amplifier, the input end of the second I-channel intermediate frequency amplifier and the input end of the second Q-channel intermediate frequency amplifier are all connected to the output end of the receiving end branch frequency converter.

[0015] Furthermore, the wireless transceiver system further includes a local oscillator module, and the local oscillator module is used to generate the first local oscillator signal and the second local oscillator signal respectively.

[0016] The wireless transceiver system of one or more embodiments of the present application can support flexible switching between multiple modes by setting a transmitter mode switching module and a receiver mode switching module in the transmitter and the receiver respectively, can work efficiently in different communication modes, and realize efficient wireless access and backhaul transmission functions.

[0017] Furthermore, the wireless transceiver system of one or more embodiments of the present application can optimize system performance, reduce power consumption, and reduce system complexity, and can adapt to various application scenarios with high data rate and frequency band requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural block diagram of a wireless transceiver system according to an embodiment of the present application.

[0019] Figure 2This is a structural block diagram of a transmitting-end branch frequency converter according to an embodiment of the present application.

[0020] Figure 3 This is a structural block diagram of a receiving-end branch frequency converter according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Instead, they are merely examples of devices consistent with some aspects of the present application as detailed in the appended claims.

[0022] The wireless transceiver system of the present application will be described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments and implementations can be combined with each other.

[0023] Figure 1 The structure block diagram of a wireless transceiver system 100 according to an embodiment of the present application is disclosed. Figure 1 As shown, a wireless transceiver system 100 according to an embodiment of the present application includes a transmitter 110 and a receiver 120. Both the transmitter 110 and the receiver 120 have a first mode and a second mode.

[0024] The transmitter 110 includes a transmitter mode switching module, which can control the transmitter 110 to switch between a first mode and a second mode.

[0025] The receiver 120 includes a receiving end mode switching module, which can control the receiver 120 to switch between the first mode and the second mode.

[0026] The wireless transceiver system 100 of the present application can support flexible switching between multiple modes by setting a transmitter mode switching module and a receiver mode switching module in the transmitter 110 and the receiver 120 respectively, and can work efficiently in different communication modes to achieve efficient wireless access and backhaul transmission functions.

[0027] Furthermore, the wireless transceiver system 100 of one or more embodiments of the present application can optimize system performance, reduce power consumption, and reduce system complexity to adapt to various application scenarios with high data rate and frequency band requirements.

[0028] Optionally, the first mode may include, for example, a superheterodyne mode, and the second mode may include, for example, a zero intermediate frequency mode.

[0029] Therefore, the present application can realize flexible switching between superheterodyne mode and zero intermediate frequency mode, adapt to different wireless access and backhaul transmission requirements, significantly improve the adaptability of the system, and enable the system to provide high-quality performance in various communication scenarios.

[0030] In some embodiments, the transmitter mode switching module may include, for example, a transmitter branch frequency converter 111 .

[0031] When the transmitter 110 operates in the superheterodyne mode, the transmitting-end branch frequency converter 111 can receive a superheterodyne input signal and select a first frequency path corresponding to the superheterodyne mode to perform frequency conversion on the superheterodyne input signal to obtain a radio frequency signal.

[0032] When the transmitter 110 operates in the zero intermediate frequency mode, the transmitting end branch frequency converter 111 can receive a zero intermediate frequency input signal and select a second frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the zero intermediate frequency input signal to obtain a radio frequency signal.

[0033] In some embodiments, the receiving end mode switching module may include, for example, a receiving end branch frequency converter 121 .

[0034] When the receiver 120 operates in the superheterodyne mode, the receiving-end branch frequency converter 121 can receive a radio frequency signal, and select a third frequency path corresponding to the superheterodyne mode to perform frequency conversion on the radio frequency signal to obtain a superheterodyne output signal.

[0035] When the receiver 120 operates in the zero intermediate frequency mode, the receiving end branch frequency converter 121 can receive the radio frequency signal and select the fourth frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the radio frequency signal to obtain a zero intermediate frequency output signal.

[0036] The wireless transceiver system 100 of the present application can have four working modes: the transmitter 110 works in the superheterodyne mode, the transmitter 110 works in the zero intermediate frequency mode, the receiver 120 works in the superheterodyne mode, and the receiver 120 works in the zero intermediate frequency mode. The working mode of the transmitter 110 and the working mode of the receiver 120 can be selected according to the actual needs of the user. Moreover, the superheterodyne and zero intermediate frequency modes of the transmitter 110 and the superheterodyne and zero intermediate frequency modes of the receiver 120 of the present application can be arbitrarily combined according to actual needs, thereby improving the flexibility and overall performance of the system.

[0037] Continue to refer to Figure 1 As shown, the transmitter 110 of the present application may further include a power amplifier 112. The power amplifier 112 is located between the output end of the mode switching module of the transmitter end and the transmitting end of the transmitter 110, and is used to generate a radio frequency signal with high output power.

[0038] The receiver 120 of the present application may further include a low noise amplifier 122. The low noise amplifier 122 is located between the receiving end of the receiver 120 and the input end of the receiving end mode switching module, and is used to amplify the received RF signal while suppressing noise and reducing signal distortion.

[0039] In some embodiments, the transmitter 110 of the present application further includes a first intermediate frequency amplifier 113, a first I-channel intermediate frequency amplifier 114, and a first Q-channel intermediate frequency amplifier 115. The first intermediate frequency amplifier 113 can be used to amplify the superheterodyne input signal, the first I-channel intermediate frequency amplifier 114 and the first Q-channel intermediate frequency amplifier 115 are used to perform I-channel and Q-channel amplification on the zero intermediate frequency input signal, respectively, and the output end of the first intermediate frequency amplifier 113, the output end of the first I-channel intermediate frequency amplifier 114, and the output end of the first Q-channel intermediate frequency amplifier 115 are all connected to the input end of the transmitter mode switching module.

[0040] In some embodiments, the receiver 120 of the present application may further include a second intermediate frequency amplifier 123, a second I-channel intermediate frequency amplifier 124, and a second Q-channel intermediate frequency amplifier 125. The input end of the second intermediate frequency amplifier 123, the input end of the second I-channel intermediate frequency amplifier 124, and the input end of the second Q-channel intermediate frequency amplifier 125 are all connected to the output end of the receiving end branch frequency converter 121.

[0041] In some embodiments, the wireless transceiver system 100 of the present application may further include a local oscillator module 130. The local oscillator module 130 is respectively connected to the transmitting end branch frequency converter 111 and the receiving end branch frequency converter 121, and the local oscillator module 130 is used to generate a local oscillator input signal, wherein the local oscillator input signal may include the first local oscillator signal and the second local oscillator signal described below.

[0042] Figure 2 The structure block diagram of the transmitting end branch frequency converter 111 according to one embodiment of the present application is disclosed. Figure 2 As shown, in some embodiments, the transmitting end branch frequency converter 111 may include a transmitting end orthogonal mixer 1111 , a transmitting end orthogonal coupler 1112 and a transmitting end mode switching mixer 1113 .

[0043] The transmitting end orthogonal coupler 1112 can receive the first local oscillator signal and generate an I-path signal and a Q-path signal that are orthogonal to each other.

[0044] The transmitting end orthogonal mixer 1111 is connected to the transmitting end orthogonal coupler 1112. The transmitting end orthogonal mixer 1111 is used to mix the zero intermediate frequency input signal with the I-channel signal and the Q-channel signal generated by the transmitting end orthogonal coupler 1112 to obtain a first mixed signal. The output end of the transmitting end orthogonal mixer 1111 is connected to the input end of the transmitting end mode switching mixer 1113.

[0045] The mode switching mixer 1113 at the transmitting end is also used to receive the superheterodyne input signal and the second local oscillator signal, and select the first mixed signal or the superheterodyne input signal to mix with the second local oscillator signal to obtain the radio frequency signal according to the mode of the transmitter 110. For example, when the transmitter 110 operates in the zero intermediate frequency mode, the mode switching mixer 1113 at the transmitting end selects the first mixed signal to mix with the second local oscillator signal; when the transmitter 110 operates in the superheterodyne mode, the mode switching mixer 1113 at the transmitting end selects the superheterodyne input signal to mix with the second local oscillator signal.

[0046] Among them, the process of mixing the superheterodyne input signal with the second local oscillator signal in the transmitting end mode switching mixer 1113 constitutes the frequency conversion process of the superheterodyne input signal in the first frequency path; the zero intermediate frequency input signal is mixed for the first time with the mutually orthogonal I-path signal and Q-path signal generated by the orthogonal coupler in the transmitting end orthogonal mixer 1111, and then the signal after the first mixing is mixed for the second time with the second local oscillator signal in the transmitting end mode switching mixer 1113, which constitutes the frequency conversion process of the zero intermediate frequency input signal in the second frequency path.

[0047] Optionally, the transmitting end branch frequency converter 111 may further include a first transmitting end amplifier 1114 and a second transmitting end amplifier 1115 .

[0048] The input end of the first transmitting end amplifier 1114 is used to receive the superheterodyne input signal, and the output end of the first transmitting end amplifier 1114 is connected to the first input end of the transmitting end mode switching mixer 1113. The first transmitting end amplifier 1114 can be used to amplify the superheterodyne input signal and input the amplified signal to the transmitting end mode switching mixer 1113.

[0049] The second transmitting end amplifier 1115 is located between the transmitting end orthogonal mixer 1111 and the second input end of the transmitting end mode switching mixer 1113. The second transmitting end amplifier 1115 can be used to amplify the first mixed signal and input the amplified signal to the transmitting end mode switching mixer 1113.

[0050] Figure 3 The structure block diagram of the receiving end branch frequency converter 121 of one embodiment of the present application is disclosed. Figure 3 As shown, in some embodiments, the receiving end branch frequency converter 121 of one embodiment of the present application may include a receiving end mode switching mixer 1213 , a receiving end orthogonal mixer 1211 and a receiving end orthogonal coupler 1212 .

[0051] The receiving end mode switching mixer 1213 can receive the radio frequency signal and the second local oscillator signal, and mix the radio frequency signal with the second local oscillator signal according to the mode of the receiver 120 to obtain the second mixed signal or the superheterodyne output signal. For example, when the receiver 120 operates in the zero intermediate frequency mode, the receiving end mode switching mixer 1213 can mix the radio frequency signal with the second local oscillator signal to obtain the second mixed signal; when the receiver 120 operates in the superheterodyne mode, the receiving end mode switching mixer 1213 can mix the radio frequency signal with the second local oscillator signal to obtain the superheterodyne output signal.

[0052] The receiving-end orthogonal coupler 1212 is used to receive the first local oscillator signal and generate an I-path signal and a Q-path signal that are orthogonal to each other.

[0053] The receiving-end orthogonal mixer 1211 is used to mix the second mixed signal with the I-path signal and the Q-path signal generated by the receiving-end orthogonal coupler 1212 to obtain a zero intermediate frequency output signal.

[0054] Among them, the process of mixing the RF signal with the second local oscillator signal in the mode switching mixer 1213 at the receiving end to obtain a superheterodyne output signal constitutes a frequency conversion process of the RF signal in the third frequency path; the process of mixing the RF signal with the second local oscillator signal in the mode switching mixer 1213 at the receiving end, and the mixed signal is mixed with the mutually orthogonal I-path signal and Q-path signal generated by the orthogonal coupler in the orthogonal mixer 1211 at the receiving end to obtain a zero intermediate frequency output signal again constitutes a frequency conversion process of the RF signal in the fourth frequency path.

[0055] Optionally, the receiving-end branch frequency converter 121 may further include a first receiving-end amplifier 1214 and a second receiving-end amplifier 1215 .

[0056] An input end of the first receiving end amplifier 1214 is connected to a first output end of the receiving end mode switching mixer 1213 , and an output end of the first receiving end amplifier 1214 is used to output a superheterodyne output signal.

[0057] The second receiving end amplifier 1215 is located between the second output end of the receiving end mode switching mixer 1213 and the receiving end orthogonal mixer 1211. The second receiving end amplifier 1215 can be used to amplify the signal mixed by the receiving end mode switching mixer 1213 and input the amplified signal into the receiving end orthogonal mixer 1211.

[0058] The wireless transceiver system 100 of the present application reduces the operating frequency and reduces spurious signals and noise by adopting dual frequency conversion technology, and the spectrum shaping technology ensures that the output spectrum of the system meets strict requirements, thereby improving the spectrum efficiency and stability of the system.

[0059] The wireless transceiver system 100 of the present application provides an efficient and flexible architecture, has achieved significant progress in performance, power consumption, and frequency efficiency, and can provide important technical support for the development of wireless communication technology.

[0060] The wireless transceiver system provided in the embodiment of the present application is described in detail above. The wireless transceiver system in the embodiment of the present application is described in detail using specific examples herein. The description of the above embodiments is only used to help understand the core idea of ​​the present application and is not intended to limit the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the spirit and principle of the present application, several improvements and modifications may be made to the present application, and these improvements and modifications shall also fall within the scope of protection of the claims attached to the present application.

Claims

1. A wireless transceiver system, characterized in that: comprising a transmitter and a receiver, wherein the transmitter and the receiver both have a first mode and a second mode, The transmitter comprises a transmitter mode switching module, and the transmitter mode switching module is used to control the transmitter to switch between the first mode and the second mode; The receiver comprises a receiving end mode switching module, and the receiving end mode switching module is used to control the receiver to switch between the first mode and the second mode.

2. The wireless transceiver system according to claim 1, characterized in that: The first mode includes a superheterodyne mode, and the second mode includes a zero intermediate frequency mode.

3. The wireless transceiver system according to claim 2, characterized in that: The transmitting end mode switching module includes a transmitting end branch frequency converter, wherein: When the transmitter operates in the superheterodyne mode, the transmitting end branch frequency converter is used to receive a superheterodyne input signal, and select a first frequency path corresponding to the superheterodyne mode to perform frequency conversion on the superheterodyne input signal to obtain a radio frequency signal; When the transmitter operates in the zero intermediate frequency mode, the transmitting end branch frequency converter is used to receive a zero intermediate frequency input signal and select a second frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the zero intermediate frequency input signal to obtain a radio frequency signal.

4. The wireless transceiver system as claimed in claim 3, characterized in that: The transmitting end branch frequency converter includes a transmitting end orthogonal mixer, a transmitting end orthogonal coupler and a transmitting end mode switching mixer, wherein: The transmitting end orthogonal coupler is used to receive the first local oscillator signal and generate mutually orthogonal I-path signal and Q-path signal; The transmitting end orthogonal mixer is used to mix the zero intermediate frequency input signal with the I-channel signal and the Q-channel signal generated by the transmitting end orthogonal coupler to obtain a first mixed signal, and the output end of the transmitting end orthogonal mixer is connected to the input end of the transmitting end mode switching mixer; The transmitter mode switching mixer is also used to receive the superheterodyne input signal and the second local oscillator signal, and select the first mixed signal or the superheterodyne input signal and the second local oscillator signal for mixing to obtain the radio frequency signal according to the mode of the transmitter.

5. The wireless transceiver system as claimed in claim 4, characterized in that: The transmitting end branch frequency converter also includes a first transmitting end amplifier and a second transmitting end amplifier, wherein: The input end of the first transmitting end amplifier is used to receive the superheterodyne input signal, and the output end of the first transmitting end amplifier is connected to the first input end of the transmitting end mode switching mixer; The second transmitting end amplifier is located between the transmitting end quadrature mixer and the second input end of the transmitting end mode switching mixer.

6. The wireless transceiver system as claimed in claim 2, characterized in that: The receiving end mode switching module includes a receiving end branch frequency converter, wherein: When the receiver operates in the superheterodyne mode, the receiving-end branch frequency converter is used to receive a radio frequency signal, and select a third frequency path corresponding to the superheterodyne mode to perform frequency conversion on the radio frequency signal to obtain a superheterodyne output signal; When the receiver operates in the zero intermediate frequency mode, the receiving end branch frequency converter is used to receive a radio frequency signal, and select a fourth frequency path corresponding to the zero intermediate frequency mode to perform frequency conversion on the radio frequency signal to obtain a zero intermediate frequency output signal.

7. The wireless transceiver system as claimed in claim 6, characterized in that: The receiving end branch frequency converter includes a receiving end mode switching mixer, a receiving end orthogonal mixer and a receiving end orthogonal coupler, wherein: The receiving end mode switching mixer is used to receive the radio frequency signal and the second local oscillator signal, and mix the radio frequency signal with the second local oscillator signal according to the mode of the receiver to obtain a second mixed signal or the superheterodyne output signal; The receiving end orthogonal coupler is used to receive the first local oscillator signal and generate mutually orthogonal I-path signal and Q-path signal; The receiving-end orthogonal mixer is used for mixing the second mixed signal with the I-path signal and the Q-path signal generated by the receiving-end orthogonal coupler to obtain the zero intermediate frequency output signal.

8. The wireless transceiver system as claimed in claim 7, characterized in that: The receiving end branch frequency converter also includes a first receiving end amplifier and a second receiving end amplifier, wherein: The input end of the first receiving end amplifier is connected to the first output end of the receiving end mode switching mixer, and the output end of the first receiving end amplifier is used to output the superheterodyne output signal; The second receiving-end amplifier is located between the second output end of the receiving-end mode switching mixer and the receiving-end orthogonal mixer.

9. The wireless transceiver system according to any one of claims 1 to 8, characterized in that: The transmitter further comprises a power amplifier, wherein the power amplifier is located between the output end of the transmitter mode switching module and the transmitter end of the transmitter; The receiver further comprises a low noise amplifier, and the low noise amplifier is located between a receiving end of the receiver and an input end of the receiving end mode switching module.

10. The wireless transceiver system according to any one of claims 1 to 8, characterized in that: The transmitter further includes a first intermediate frequency amplifier, a first I-channel intermediate frequency amplifier and a first Q-channel intermediate frequency amplifier, wherein the first intermediate frequency amplifier is used to amplify the superheterodyne input signal, the first I-channel intermediate frequency amplifier and the first Q-channel intermediate frequency amplifier are used to perform I-channel and Q-channel amplification on the zero intermediate frequency input signal, respectively, and the output end of the first intermediate frequency amplifier, the output end of the first I-channel intermediate frequency amplifier and the output end of the first Q-channel intermediate frequency amplifier are all connected to the input end of the transmitter mode switching module; The receiver also includes a second intermediate frequency amplifier, a second I-channel intermediate frequency amplifier and a second Q-channel intermediate frequency amplifier, and the input end of the second intermediate frequency amplifier, the input end of the second I-channel intermediate frequency amplifier and the input end of the second Q-channel intermediate frequency amplifier are all connected to the output end of the receiving end branch frequency converter.

11. The wireless transceiver system according to claim 4 or 7, characterized in that: It also includes a local oscillator module, which is used to generate the first local oscillator signal and the second local oscillator signal respectively.

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