Transceiver

Abstract

The present application discloses a transceiver, comprising a front-end module, a radio frequency transceiver module comprising a broadband combiner and a quadplexer and a duplexer connected to different antennas, and a radio frequency processing module comprising a broadband transmission link, a broadband reception link, a first frequency band transmission link, and a first frequency band reception link; the broadband combiner combines a second frequency band SISO signal and a first frequency band MIMO signal from different antennas into one radio frequency signal; the broadband transmission link transmits the first frequency band MIMO signal output by the front-end module to the duplexer, or transmits the second frequency band SISO signal output by the front-end module to the quadplexer; the broadband reception link receives one radio frequency signal and transmits the first frequency band MIMO signal or the second frequency band SISO signal to the front-end module; the first frequency band transmission link transmits the first frequency band SISO signal output by the front-end module to the quadplexer; the first frequency band reception link transmits the first frequency band SISO signal from the quadplexer to the front-end module.

Description

Technical Field

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

[0002] With the development of communication technology, the application scenarios of transceivers are becoming more and more extensive, and the functional requirements for transceivers are becoming more and more diversified.

[0003] For the switching requirements of different working modes, the existing transceiver adopts the hardware configuration of multiple receiving paths and multiple transmitting paths that work independently. For example, when it is necessary to support the function of freely switching from the single input single output (Simple Input Simple Output, SISO) mode of the 1.8G frequency band and the SISO mode of the 2.1G frequency band to the SISO mode of the 1.8G frequency band and the multiple input multiple output (Multiple Input Multiple Output, MIMO) mode of the 1.8G frequency band, the existing transceiver is usually provided with a hardware configuration that supports the SISO mode of the 1.8G frequency band, the SISO mode of the 2.1G frequency band and the MIMO mode of the 1.8G frequency band to work independently, so that the transceiver needs 6 independent filter paths to meet the filtering requirements of the transceiver signal, the front-end module supported by the 6 transceiver paths needs to meet the hardware requirements, and a complex clock circuit is required to support the operation of the transceiver. Therefore, the existing transceiver has the problems of large hardware resource overhead (high cost) and reduced system reliability in the design of the switching requirements of different working modes.

[0004] Therefore, how to provide a solution to the above technical problems is a problem that those skilled in the art need to solve. Summary of the invention

[0005] The embodiment of the present application provides a transceiver, which can solve the problem of large hardware resource overhead (high cost) and reduced system reliability in the existing transceiver design for switching requirements of different working modes.

[0006] In order to solve the above technical problems, this application is implemented as follows:

[0007] The present application provides a transceiver, which connects a first antenna and a second antenna. The transceiver includes: a front-end module, a radio frequency transceiver module and a radio frequency processing module. The front-end module is used to receive a first-band multiple-input multiple-output (MIMO) signal or a second-band single-input single-output (SISO) signal, output a first-band MIMO signal or a second-band SISO signal, and receive and output a first-band SISO signal; the radio frequency transceiver module includes a quadplexer, a duplexer and a broadband combiner, the quadplexer is connected to the first antenna, the duplexer is connected to the second antenna, the broadband combiner is connected to the quadplexer and the duplexer, and the broadband combiner is used to combine the second-band SISO signal received by the first antenna and passed through the quadplexer and the first-band MIMO signal received by the second antenna and passed through the duplexer into one radio frequency signal; the radio frequency processing module includes a broadband transmission link, a broadband reception link, a first-band transmission link and a first-band reception link, the broadband transmission link is connected to the front-end module, the quadplexer and the duplexer, the broadband The receiving link connects the front-end module and the broadband combiner, the first-band transmitting link connects the front-end module and the quadplexer, and the first-band receiving link connects the front-end module and the quadplexer; the broadband transmitting link is used to transmit the first-band MIMO signal output by the front-end module to the second antenna through the duplexer for transmission, or to transmit the second-band SISO signal output by the front-end module to the first antenna through the quadplexer for transmission; the broadband receiving link is used to filter one RF signal and selectively transmit the first-band MIMO signal or the second-band SISO signal to the front-end module; the first-band transmitting link is used to transmit the first-band SISO signal output by the front-end module to the first antenna through the quadplexer for transmission; the first-band receiving link is used to transmit the first-band SISO signal received by the first antenna and passed through the quadplexer to the front-end module.

[0008] In the transceiver of the embodiment of the present application, through the design of a broadband combiner, a broadband transmission link and a broadband receiving link, the circuits for transmitting and receiving the first frequency band MIMO signal and the second frequency band SISO signal are integrated, and the RF link architecture of the whole machine is simplified. The transceiver supports the function of freely switching from the SISO mode of the first frequency band and the SISO mode of the second frequency band to the SISO mode of the first frequency band and the MIMO mode of the first frequency band, while greatly reducing the hardware resource overhead, simplifying the corresponding clock design scheme, saving the resources of the front-end module (reducing the transmitting and receiving paths), and improving the reliability expectations of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are configured to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0010] Figure 1A schematic diagram of a first embodiment of a transceiver of the present application connecting a first antenna and a second antenna; and

[0011] Figure 2 This is a schematic diagram of a second embodiment of the transceiver of the present application connecting the first antenna and the second antenna. DETAILED DESCRIPTION

[0012] The embodiments of the present invention will be described below with reference to the accompanying drawings. In these drawings, the same reference numerals represent the same or similar components or method flows.

[0013] It must be understood that the words "comprise", "include", etc. used in this specification are configured to indicate the existence of specific technical features, values, method steps, job processing and / or components, but do not exclude the addition of more technical features, values, method steps, job processing, components, or any combination of the above.

[0014] It should be understood that when a component is described as being "connected" or "coupled" to another component, it may be directly connected or coupled to the other component, and intermediate components may be present. Conversely, when a component is described as being "directly connected" or "directly coupled" to another component, there are no intermediate components.

[0015] In addition, although the terms “first”, “second”, etc. are used herein to describe different elements, such terms are merely used to distinguish elements or operations described with the same technical terms.

[0016] Before explaining the transceiver of the present application, the terms of the present application are explained first. The "first frequency band multiple input multiple output (MIMO) signal" mentioned in the present application refers to the MIMO signal belonging to the first frequency band, the "second frequency band single input single output (SISO) signal" refers to the SISO signal belonging to the second frequency band, the "first frequency band single input single output (SISO) signal" refers to the SISO signal belonging to the first frequency band, the "wideband combiner", "wideband transmission link" and "wideband receiving link" refer to devices / links that can process signals in a wider frequency range (i.e., covering the frequency range of the first frequency band and the second frequency band), and the "first frequency band receiving link" and "first frequency band transmission link" refer to links that can process signals belonging to the first frequency band, wherein the first frequency band is different from the second frequency band, the first frequency band can be but not limited to the 1.8G frequency band, and the second frequency band can be but not limited to the 2.1G frequency band.

[0017] See also Figure 1 , which is a schematic diagram of a first embodiment of the transceiver of the present application connecting the first antenna and the second antenna. Figure 1As shown, the transceiver 1 is connected to the first antenna 2 and the second antenna 3, and the first antenna 2 and the second antenna 3 work together to form a MIMO antenna system. The transceiver 1 includes: a front-end module 11, a radio frequency transceiver module 12 and a radio frequency processing module 13.

[0018] In this embodiment, the front-end module 11 is used to receive a first-band MIMO signal or a second-band SISO signal, output a first-band MIMO signal or a second-band SISO signal, and receive and / or output a first-band SISO signal. In one embodiment, the front-end module 11 may be, but is not limited to, a front-end chip, a pin 110 of the front-end chip is used to receive a first-band MIMO signal or a second-band SISO signal, another pin 111 of the front-end chip is used to output a first-band MIMO signal or a second-band SISO signal, another pin 112 of the front-end chip is used to receive a first-band SISO signal, and another pin 113 of the front-end chip is used to output a first-band SISO signal; that is, only four pins of the front-end chip are used to perform related operations, and the resources of the front-end chip can be effectively utilized.

[0019] In this embodiment, the RF transceiver module 12 includes a quadplexer 121, a duplexer 122 and a broadband combiner 123. The quadplexer 121 is connected to the first antenna 2, the duplexer 122 is connected to the second antenna 3, and the broadband combiner 123 connects the quadplexer 121 and the duplexer 122. The broadband combiner 123 is used to combine the second frequency band SISO signal received by the first antenna 2 and passed through the quadplexer 121 and the first frequency band MIMO signal received by the second antenna 3 and passed through the duplexer 122 into one RF signal.

[0020] In this embodiment, the RF processing module 13 includes a broadband transmission link 131, a broadband receiving link 132, a first frequency band transmission link 133 and a first frequency band receiving link 134, the broadband transmission link 131 is connected to the front-end module 11, the quadplexer 121 and the duplexer 122, the broadband receiving link 132 is connected to the front-end module 11 and the broadband combiner 123, the first frequency band transmission link 133 is connected to the front-end module 11 and the quadplexer 121, and the first frequency band receiving link 134 is connected to the front-end module 11 and the quadplexer 121; the broadband transmission link 131 is used to transmit the first frequency band MIMO signal output by the front-end module 11 through the duplexer 122 The first frequency band SISO signal is transmitted to the second antenna 3 for transmission, or the second frequency band SISO signal output by the front-end module 11 is transmitted to the first antenna 2 for transmission through the quadplexer 121; the broadband receiving link 132 is used to filter one RF signal and selectively transmit the first frequency band MIMO signal or the second frequency band SISO signal to the front-end module 11; the first frequency band transmitting link 133 is used to transmit the first frequency band SISO signal output by the front-end module 11 to the first antenna 2 for transmission through the quadplexer 121; the first frequency band receiving link 134 is used to transmit the first frequency band SISO signal received by the first antenna 2 and passed through the quadplexer 121 to the front-end module 11.

[0021] Therefore, the transceiver 1 integrates the circuits for transmitting and receiving the first frequency band MIMO signal and the second frequency band SISO signal through the design of the broadband combiner 123, the broadband transmission link 131 and the broadband receiving link 132, simplifies the RF link architecture of the whole machine, and enables the transceiver 1 to support the function of freely switching from the SISO mode of the first frequency band and the SISO mode of the second frequency band to the SISO mode of the first frequency band and the MIMO mode of the first frequency band, while greatly reducing the hardware resource overhead, simplifying the corresponding clock design scheme, and saving resources of the front-end module 11 (reducing the transmitting and receiving paths), thereby improving the reliability expectations of the system.

[0022] See also Figure 2 , which is a schematic diagram of a second embodiment of the transceiver of the present application connecting the first antenna and the second antenna. Figure 2As shown, the front-end module 11 may include a digital front-end circuit 114 and an analog front-end circuit 115. The digital front-end circuit 114 is connected to the analog front-end circuit 115. The analog front-end circuit 115 may include a broadband analog-to-digital conversion unit 1151, a broadband digital-to-analog conversion unit 1152, a first frequency band analog-to-digital conversion unit 1153, and a first frequency band digital-to-analog conversion unit 1154. The digital front-end circuit 114 may receive a first frequency band MIMO signal or a second frequency band SISO signal from a broadband receiving link 132 through the broadband analog-to-digital conversion unit 1151, may output the first frequency band MIMO signal or the second frequency band SISO signal to the broadband transmitting link 131 through the broadband digital-to-analog conversion unit 1152, may receive a first frequency band SISO signal from a first frequency band receiving link 134 through the first frequency band analog-to-digital conversion unit 1153, and may output the first frequency band SISO signal to the first frequency band transmitting link 133 through the first frequency band digital-to-analog conversion unit 1154. That is, the digital front end circuit 114 is used to process the signals from the broadband analog-to-digital conversion unit 1151 and the first frequency band analog-to-digital conversion unit 1153 and generate signals output to the broadband digital-to-analog conversion unit 1152 and the first frequency band digital-to-analog conversion unit 1154 .

[0023] In one embodiment, the broadband transmission link 131 may include a RF switch unit 1311, which is used to selectively transmit the first frequency band MIMO signal output by the front-end module 11 to the duplexer 122, or transmit the second frequency band SISO signal output by the front-end module 11 to the quadplexer 121. Among them, the RF switch unit 1311 is a high-power RF power selection component circuit, and the RF switch unit 1311 can be but is not limited to a single-pole double-throw switch, and the single-pole double-throw switch includes a first moving contact 1311a and a second moving contact 1311b, the first moving contact 1311a is connected to the duplexer 122, and the second moving contact 1311b is connected to the quadplexer 121. The switching of the single-pole double-throw switch realizes the selection function (that is, selectively transmitting the first frequency band MIMO signal output by the front-end module 11 to the duplexer 122, or transmitting the second frequency band SISO signal output by the front-end module 11 to the quadplexer 121), and the switching of the single-pole double-throw switch can be controlled by the software of the transceiver 1.

[0024] In one embodiment, the broadband transmission link 131 may further include at least one second power amplification unit 1312 , and the at least one second power amplification unit 1312 is disposed between the front-end module 11 and the RF switch unit 1311 .

[0025] In one embodiment, the at least one second power amplification unit 1312 may include a second pre-power amplifier (ie Figure 2 The leftmost second power amplifier unit 1312 in the broadband transmission link 131), the second driving power amplifier (ie Figure 2 The second power amplifier unit 1312 in the middle of the broadband transmission link 131 and the second final power amplifier (ie Figure 2 The broadband transmission link 131 may also include a second gain unit 1313, a second pre-power amplifier connected to the front-end module 11, the second gain unit 1313 is arranged between the second pre-power amplifier and the second push power amplifier, the second push power amplifier is arranged between the second gain unit 1313 and the second final power amplifier, and the second final power amplifier is connected to the RF switch unit 1311. Among them, the second pre-power amplifier is used to receive and amplify the first-band MIMO signal or the second-band SISO signal output by the front-end module 11, the second push power amplifier is used to amplify the first-band MIMO signal or the second-band SISO signal to provide sufficient power for the second final-stage power amplifier, the second final-stage power amplifier is used to amplify the first-band MIMO signal or the second-band SISO signal from the second push power amplifier to maximum energy, the second gain unit 1313 is used to gain amplify the first-band MIMO signal or the second-band SISO signal amplified by the second pre-power amplifier, and the second gain unit 1313 can be but is not limited to a programmable gain unit (that is, the gain value of the second gain unit 1313 is controlled by the digital front-end circuit 114 of the front-end module 11).

[0026] In one embodiment, the broadband receiving link 132 may include a first filter 1321, a second filter 1322 and a filter selection unit 1323, wherein the first filter 1321 is connected to the broadband combiner 123 and the filter selection unit 1323, the second filter 1322 is connected to the broadband combiner 123 and the filter selection unit 1323, and the filter selection unit 1323 is connected to the front-end module 11. The first filter 1321 is used to receive a radio frequency signal from the broadband combiner 123, and filter the radio frequency signal to obtain a first frequency band MIMO signal; the second filter 1322 is used to receive a radio frequency signal from the broadband combiner 123, and filter the radio frequency signal to obtain a second frequency band SISO signal; the filter selection unit 1323 is used to selectively transmit the first frequency band MIMO signal obtained by the first filter 1321 or the second frequency band SISO signal obtained by the second filter 1322 to the front-end module 11. Among them, the filter selection unit 1323 can be but is not limited to a single-pole double-throw switch, and the single-pole double-throw switch includes a first moving contact 1323a and a second moving contact 1323b, the first moving contact 1323a is connected to the first filter 1321, and the second moving contact 1323b is connected to the second filter 1322. The frequency selection function is realized by switching the single-pole double-throw switch (that is, the first frequency band MIMO signal obtained by the first filter 1321 or the second frequency band SISO signal obtained by the second filter 1322 is selectively transmitted to the front-end module 11), and the switching of the single-pole double-throw switch can be controlled by the software of the transceiver 1.

[0027] In one embodiment, the broadband receiving link 132 may further include at least one first power amplifier unit 1324, and the broadband combiner 123 is connected to the first filter 1321 and the second filter 1322 via the at least one first power amplifier unit 1324. The first power amplifier unit 1324 is used to receive and amplify a radio frequency signal from the broadband combiner 123.

[0028] In one embodiment, the broadband receiving link 132 may further include a first gain unit 1325, which is disposed between the front-end module 11 and the filter selection unit 1323. The first gain unit 1325 may be, but is not limited to, a programmable gain unit (i.e., the gain value of the first gain unit 1325 is controlled by the digital front-end circuit 114 of the front-end module 11).

[0029] In one embodiment, the quadplexer 121 may include a first receiving filter 1211, a second receiving filter 1212, a first transmitting filter 1213 and a second transmitting filter 1214, wherein the first transmitting filter 1213 is connected to the first frequency band transmitting link 133 and the first antenna 2, the second transmitting filter 1214 is connected to the broadband transmitting link 131 and the first antenna 2, the first receiving filter 1211 is connected to the first frequency band receiving link 134 and the first antenna 2, and the second receiving filter 1212 is connected to the broadband combiner 123 and the first antenna 2. The first receiving filter 1211 is used to filter out the noise of the first frequency band SISO signal received by the first antenna 2, the second receiving filter 1212 is used to filter out the noise of the second frequency band SISO signal received by the first antenna 2, the first transmitting filter 1213 is used to filter out the noise of the first frequency band SISO signal from the first frequency band transmitting link 133, and the second transmitting filter 1214 is used to filter out the noise of the second frequency band SISO signal from the broadband transmitting link 131.

[0030] In one embodiment, the first receiving filter 1211, the second receiving filter 1212, the first transmitting filter 1213 and the second transmitting filter 1214 are cavity filters, respectively. The cavity filters are composed of a plurality of cavity resonators.

[0031] In one embodiment, the duplexer 122 may include a third receiving filter 1221 and a third transmitting filter 1222, wherein the third transmitting filter 1222 is connected to the broadband transmitting link 131 and the second antenna 3, and the third receiving filter 1221 is connected to the broadband combiner 123 and the second antenna 3. The third receiving filter 1221 is used to filter out the noise of the first frequency band MIMO signal received by the second antenna 3, and the third transmitting filter 1222 is used to filter out the noise of the second frequency band SISO signal from the broadband transmitting link 131.

[0032] In one embodiment, the third receiving filter 1221 and the third transmitting filter 1222 are cavity filters, respectively. The cavity filters are composed of a plurality of cavity resonators.

[0033] In one embodiment, the broadband combiner 123 may be a coaxial cavity combiner to achieve low loss.

[0034] In one embodiment, the first frequency band transmission chain 133 may include at least one third power amplification unit 1331 , and the at least one third power amplification unit 1331 is disposed between the front-end module 11 and the quadplexer 121 .

[0035] In one embodiment, the at least one third power amplification unit 1331 may include a third pre-power amplifier (ie Figure 2The third power amplifier unit 1331 on the left in the first frequency band transmission link 133), the third driving power amplifier (i.e. Figure 2 The third power amplifier unit 1331 in the middle of the first frequency band transmission link 133) and the third final power amplifier (i.e. Figure 2 The first frequency band transmission chain 133 may further include a third power amplifier unit 1331 on the right of the first frequency band transmission chain 133, the first frequency band transmission chain 133 may further include a third gain unit 1332, the third pre-power amplifier is connected to the front-end module 11, the third gain unit 1332 is arranged between the third pre-power amplifier and the third driving power amplifier, the third driving power amplifier is arranged between the third gain unit 1332 and the third final power amplifier, and the third final power amplifier is connected to the quadplexer 121. The third pre-power amplifier is used to receive and amplify the first frequency band SISO signal output by the front-end module 11, the third driving power amplifier is used to amplify the first frequency band SISO signal to provide sufficient power for the third final power amplifier, the third final power amplifier is used to amplify the first frequency band SISO signal from the third driving power amplifier to the maximum energy, the third gain unit 1332 is used to gain amplify the first frequency band SISO signal amplified by the third pre-power amplifier, and the third gain unit 1332 may be, but is not limited to, a programmable gain unit (i.e., the gain value of the third gain unit 1332 is controlled by the digital front-end circuit 114 of the front-end module 11).

[0036] In one embodiment, the first frequency band receiving link 134 may include at least one fourth power amplification unit 1341 , and the at least one fourth power amplification unit 1341 is disposed between the front-end module 11 and the quadplexer 121 .

[0037] In one embodiment, the first frequency band receiving link 134 may further include a fourth gain unit 1342 and a third filter 1343, wherein the fourth gain unit 1342 is disposed between the third filter 1343 and the front-end module 11, and the at least one fourth power amplifier unit 1341 is disposed between the third filter 1343 and the quadplexer 121. The fourth gain unit 1342 may be, but is not limited to, a programmable gain unit (i.e., the gain value of the fourth gain unit 1342 is controlled by the digital front-end circuit 114 of the front-end module 11), and the third filter 1343 is used to filter out noise of the first frequency band SISO signal amplified by the at least one fourth power amplifier unit 1341.

[0038] To summarize, in the transceiver of the present application, through the design of a broadband combiner, a broadband transmission link and a broadband receiving link, the circuits for transmitting and receiving the first frequency band MIMO signal and the second frequency band SISO signal are integrated, and the RF link architecture of the whole machine is simplified, so that the transceiver supports the function of freely switching from the SISO mode of the first frequency band and the SISO mode of the second frequency band to the SISO mode of the first frequency band and the MIMO mode of the first frequency band, while greatly reducing the hardware resource overhead, simplifying the corresponding clock design scheme, and saving the resources of the front-end module (reducing the transmitting and receiving paths), thereby improving the reliability expectations of the system.

[0039] Although the present invention is described using the above embodiments, it should be noted that these descriptions are not configured to limit the present invention. On the contrary, this invention covers obvious modifications and similar arrangements that are obvious to those skilled in the art. Therefore, the scope of the claims should be interpreted in the broadest way to include all obvious modifications and similar arrangements.

Claims

1. A transceiver, characterized in that: The first antenna and the second antenna are connected, and the transceiver comprises: A front-end module, configured to receive a first frequency band multiple-input multiple-output signal or a second frequency band single-input single-output signal, output the first frequency band multiple-input multiple-output signal or the second frequency band single-input single-output signal, and receive and output a first frequency band single-input single-output signal; Radio frequency transceiver module, including: A quadplexer connected to the first antenna; a duplexer connected to the second antenna; and a broadband combiner, connected to the quadplexer and the duplexer, for combining the second-band single-input single-output signal received by the first antenna and passing through the quadplexer and the first-band multiple-input multiple-output signal received by the second antenna and passing through the duplexer into one RF signal; and RF processing module, including: a broadband transmission link, connecting the front-end module, the quadplexer and the duplexer, and used to transmit the first frequency band multi-input multi-output signal output by the front-end module to the second antenna through the duplexer for transmission, or to transmit the second frequency band single-input single-output signal output by the front-end module to the first antenna through the quadplexer for transmission; A broadband receiving link, connecting the front-end module and the broadband combiner, for filtering the radio frequency signal and then selectively transmitting the first frequency band multi-input multi-output signal or the second frequency band single-input single-output signal to the front-end module; a first frequency band transmission link, connecting the front-end module and the quadplexer, and configured to transmit the first frequency band single-input single-output signal output by the front-end module to the first antenna through the quadplexer for transmission; and The first frequency band receiving link is connected to the front-end module and the quadplexer, and is used to transmit the first frequency band single-input single-output signal received by the first antenna and passed through the quadplexer to the front-end module.

2. The transceiver according to claim 1, characterized in that The broadband receiving link includes a first filter, a second filter and a filter selection unit, the first filter is connected to the broadband combiner and the filter selection unit, the second filter is connected to the broadband combiner and the filter selection unit, and the filter selection unit is connected to the front-end module; the first filter is used to receive the one-way RF signal and filter the one-way RF signal to obtain the first-band multi-input multi-output signal; the second filter is used to receive the one-way RF signal and filter the one-way RF signal to obtain the second-band single-input single-output signal; the filter selection unit is used to selectively transmit the first-band multi-input multi-output signal obtained by the first filter or the second-band single-input single-output signal obtained by the second filter to the front-end module.

3. The transceiver according to claim 2, characterized in that The broadband receiving link further includes at least one first power amplifying unit, and the broadband combiner connects the first filter and the second filter via the at least one first power amplifying unit.

4. The transceiver according to claim 3, characterized in that The broadband receiving link further includes a first gain unit, which is arranged between the front-end module and the filter selection unit.

5. The transceiver according to claim 1, wherein: The broadband transmission link includes a radio frequency switch unit, which is used to selectively transmit the first frequency band multi-input multi-output signal to the duplexer, or transmit the second frequency band single-input single-output signal to the quadplexer.

6. The transceiver according to claim 5, characterized in that The broadband transmission link further includes at least one second power amplification unit, and the at least one second power amplification unit is arranged between the front-end module and the radio frequency switch unit.

7. The transceiver according to claim 6, characterized in that The at least one second power amplification unit includes a second pre-power amplifier, a second boost power amplifier and a second final power amplifier. The broadband transmission link also includes a second gain unit. The second pre-power amplifier is connected to the front-end module. The second gain unit is arranged between the second pre-power amplifier and the second boost power amplifier. The second boost power amplifier is arranged between the second gain unit and the second final power amplifier. The second final power amplifier is connected to the RF switch unit.

8. The transceiver according to claim 1, wherein: The front-end module includes a digital front-end circuit and an analog front-end circuit, and the analog front-end circuit includes a broadband analog-to-digital conversion unit, a broadband digital-to-analog conversion unit, a first frequency band analog-to-digital conversion unit, and a first frequency band digital-to-analog conversion unit; the digital front-end circuit receives the first frequency band multi-input multi-output signal or the second frequency band single-input single-output signal from the broadband receiving link through the broadband analog-to-digital conversion unit, outputs the first frequency band multi-input multi-output signal or the second frequency band single-input single-output signal to the broadband transmitting link through the broadband digital-to-analog conversion unit, receives the first frequency band single-input single-output signal from the first frequency band receiving link through the first frequency band analog-to-digital conversion unit, and outputs the first frequency band single-input single-output signal to the first frequency band transmitting link through the first frequency band digital-to-analog conversion unit.

9. The transceiver according to claim 1, wherein: The quadplexer includes a first receiving filter, a first transmitting filter, a second receiving filter and a second transmitting filter, the first transmitting filter is connected to the first frequency band transmitting link and the first antenna, the second transmitting filter is connected to the broadband transmitting link and the first antenna, the first receiving filter is connected to the first frequency band receiving link and the first antenna, and the second receiving filter is connected to the broadband combiner and the first antenna.

10. The transceiver according to claim 9, characterized in that The first receiving filter, the second receiving filter, the first transmitting filter and the second transmitting filter are cavity filters respectively.

11. The transceiver according to claim 1, wherein: The broadband combiner is a coaxial cavity combiner.

12. The transceiver according to claim 1, wherein: The duplexer includes a third receiving filter and a third transmitting filter, the third transmitting filter is connected to the broadband transmission link and the second antenna, and the third receiving filter is connected to the broadband combiner and the second antenna.

13. The transceiver according to claim 12, characterized in that The third receiving filter and the third transmitting filter are cavity filters respectively.

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