CN117914341A - Base station and terminal integrated radio frequency transceiver - Google Patents

Abstract

The embodiment of the application relates to the technical field of wireless communication, in particular to a base station and terminal integrated radio frequency transceiver, which comprises the following components: the base band processor, the transceiver, the radio frequency front end and the antenna system are in communication connection, and the transceiver comprises a base station transceiver and a terminal transceiver; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system. The embodiment of the application is based on the integrated design of the terminal and the base station, thereby realizing the optimization of power consumption and cost.

Description

Base station and terminal integrated radio frequency transceiver

Technical Field

The embodiment of the application relates to the technical field of wireless communication, in particular to a base station and terminal integrated radio frequency transceiver.

Background

Modern communication technology is gradually released from related standards such as 3GPP 5G, and wireless communication is formally advanced into the 5G era. Although 5G has the advantages of low time delay, large bandwidth and the like, the 5G has the defects of high power consumption of a base station and increase of network attenuation along with the increase of frequency; in addition, the proportion of small stations such as micro stations and pico stations in the 5G base station is gradually increased, and the evolution trend of power consumption reduction is realized. On the terminal side, the terminal is in an idle state most of the time, and the idle utilization and optimization problems of the terminal are also increasingly emphasized. How to improve the above problems of the base station and the terminal requires comprehensive consideration of the base station and the terminal.

Currently, networking network optimization between a base station and a terminal is mainly considered in the existing base station and terminal technology, switching between terminals and the base station, cell management and control signaling between the base station and the terminals. The above technique is basically optimized only for a certain part of the terminal or the base station, and integrated optimization of the terminal and the base station is not designed. And the current base station is basically fixed at a specific position, and cannot move, so that the networking flexibility is poor particularly in emergency situations.

Disclosure of Invention

The embodiment of the application provides a base station and terminal integrated radio frequency transceiver which has the advantages of miniaturization of the base station to reduce power consumption and improvement of discontinuous reception of a terminal to optimize network time delay; meanwhile, the base station terminal is compatible with a related radio frequency receiving and transmitting system, so that radio frequency devices of a network system are reduced, and the system cost is reduced; the base station mobility is realized by more obvious mobility, so that the mobile network has the characteristic of flexible networking.

To solve the above technical problem, an embodiment of the present application provides a base station and terminal integrated radio frequency transceiver, including: the antenna system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection; the transceivers include base station transceivers and terminal transceivers; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system.

In some exemplary embodiments, the baseband processor is configured to control a terminal mode and a base station mode; when working in the base station mode, the baseband processor is used for controlling a base station transceiver, a base station radio frequency front end and an antenna corresponding to the base station to transmit and receive base station signals; when working in a terminal mode, the baseband processor is used for controlling a terminal transceiver, a terminal radio frequency front end and an antenna corresponding to a terminal to perform corresponding signal transceiving; and when the base station and the terminal work in the mode simultaneously, the baseband processor is used for realizing the data relay function and the terminal function of the base station.

In some exemplary embodiments, the digital baseband information includes digital modem, digital signal processing, and related functional control.

In some exemplary embodiments, the antenna system is used to receive communication signals and transmit related information; the antenna system comprises MIMO antennas, and the antenna systems of the base station and the terminal adopt a sharing or multiplexing mode.

In some exemplary embodiments, when the base station is designed independently of the terminal, the baseband processor includes a first baseband processor and a second baseband processor for processing baseband signals of the base station and the terminal, respectively; the base station radio frequency transceiver and the terminal radio frequency transceiver form a transceiver together, and modulation and demodulation of radio frequency signals are respectively realized; the radio frequency front end comprises a filter, a power amplifier and a switch.

In some exemplary embodiments, in TDD mode, the uplink and downlink frequencies are identical, using the same analog front end; when working in a base station mode, the system comprises two working states, namely a downlink transmitting state and an uplink receiving state; when operating in the terminal mode, the system comprises two operating states, namely an uplink transmitting signal and a downlink receiving signal.

In some exemplary embodiments, when operating in base station mode, for a downlink transmit state, the baseband processor generates a baseband signal that is modulated via the transceiver and sent over the downlink to the switch; the switch is used for selecting uplink transmission or downlink transmission, downlink signals enter the filter after being switched, the filter is used for filtering out-of-band spurious signals generated by the transceiver, the filtered radio frequency signals enter the power amplifier to be amplified, the amplified signals are processed by the filter, and the signals filtered by the filter enter the TDD switch to feed the signals into the antenna system, so that downlink signal transmission in a base station mode is realized; when the antenna system works in the base station mode, for the uplink receiving state, after receiving radio frequency signals of the terminal, the antenna system enters an uplink receiving link through switch selection, enters a low noise amplifier after filtering treatment, filters the amplified signals again, and the filtered signals enter a base station transceiver through a base station and terminal selection switch to realize the receiving of the uplink signals.

In some exemplary embodiments, when operating in the terminal mode, the uplink transmission signal is used for the terminal to transmit voice, text, pictures, video information to the network, i.e. an uplink operating state; in an uplink working state, after a baseband signal generated by a baseband processor is modulated and demodulated by a transceiver, the baseband signal enters an uplink transmission link through a base station and a terminal selection switch, signals after being subjected to switching are filtered to remove out-of-band spurious signals, the filtered signals enter a power amplifier to be amplified, the amplified signals are filtered, and the filtered signals enter a TDD (time division duplex) change-over switch to be fed into an antenna system, so that uplink transmission of a terminal is realized; when the terminal works in a terminal mode, the downlink receiving signal is used for receiving text, voice and video signals of a network end, namely a downlink receiving state; for the downlink receiving state, the antenna receives the information from the base station, then enters the filtering through the TDD selection switch, and then enters the base station terminal selection switch after the information is amplified and filtered by the low noise amplifier in sequence to realize the downlink receiving.

In some exemplary embodiments, in FDD mode, the uplink and downlink frequencies are not identical, and when entering base station mode, the downlink transmission frequency is not identical to the uplink reception frequency; in a downlink transmission state, after a baseband signal is generated by a baseband processor and modulated and demodulated by a base station, the baseband signal is selected to enter a downlink transmission link through a base station and terminal transmission selection switch, a radio frequency modulated signal generated by a base station modem sequentially enters an out-of-band rejection filter to filter interference signals, the filtered downlink transmission signal enters a broadband power amplifier to be amplified to obtain a downlink transmission signal, then the downlink transmission signal is selected to enter the downlink filter through the switch to filter interference outside downlink frequencies, then enters an uplink and downlink selection switch to be finally fed into an antenna system, and downlink transmission of the signal is realized; in the uplink receiving state, the signal received by the antenna system enters an uplink filter of an uplink receiving link through an uplink and downlink selection switch, interference signals except uplink receiving frequency are filtered, then the interference signals enter a low-noise amplifying circuit through another uplink and downlink selection switch, the amplified signals enter a base station modem through a base station terminal selection switch for signal demodulation after being filtered, and finally the signals are sent to a baseband for processing.

In some exemplary embodiments, in FDD mode, the uplink and downlink frequencies are not identical, and when entering terminal mode, the uplink transmission frequency is not identical to the downlink reception frequency; when the antenna works in an uplink transmitting state, signals generated by the baseband are modulated and then are switched to enter an uplink transmitting link through the baseband and a frequency selection switch, are amplified by an out-of-band rejection filter and then enter uplink filtering through an uplink and downlink selection switch, and finally are fed into an antenna system after being switched through the switch; when the antenna works in a downlink receiving state, an antenna receives downlink signals, the downlink signals enter a downlink receiving filter through an uplink and downlink switch, the signals enter a low noise amplifier and an out-of-band rejection filter through the switch after being filtered, the signals enter a terminal modem through a base station and a terminal switch to be demodulated after the filtering is finished, and the obtained demodulated signals are processed for a baseband to realize a downlink receiving state of a terminal mode.

The technical scheme provided by the embodiment of the application has at least the following advantages:

The embodiment of the application provides a base station and terminal integrated radio frequency transceiver, which comprises the following components: the antenna system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection; the transceivers include base station transceivers and terminal transceivers; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system.

The application integrates the base transceiver station and the terminal transceiver station, and the baseband signal generated by the baseband processor is modulated and demodulated by the base station or the terminal transceiver station, and then is fed into an antenna system for transmitting and receiving through the radio frequency front end. The baseband processor may be used for mode dependent control of the terminal and the base station. When the base station is in a base station mode, the base band processor controls the related base station transceiver, the radio frequency front end and the antenna to transmit and receive base station signals; when the base band processor works in a terminal mode, the base band processor controls the related terminal transceiver, the radio frequency front end and the antenna to carry out corresponding signal transceiving; in addition, the data relay function and the terminal function of the base station can be realized by simultaneously operating in modes of the base station and the terminal.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, which are not to be construed as limiting the embodiments unless specifically indicated otherwise.

Fig. 1 is a functional block diagram of a base station and terminal integrated radio frequency transceiver according to an embodiment of the present application;

Fig. 2 is a schematic networking diagram of a base station and terminal integrated transceiver according to an embodiment of the present application;

fig. 3 is a schematic structural diagram of a transceiver architecture provided by an embodiment of the present application, where a base station and a terminal are independent of each other;

Fig. 4 is a schematic diagram of a frame structure of an integrated transceiver of a base station terminal of a TDD system according to an embodiment of the present application;

Fig. 5 is a schematic diagram of an integrated transceiver frame structure of an FDD base station terminal according to an embodiment of the present application.

Detailed Description

As known from the background art, the existing base station and terminal technology does not consider the integrated optimization design of the terminal and the base station. In addition, the current base station is basically fixed at a specific position and cannot move, and particularly in emergency situations, the problem of poor networking flexibility exists.

With the development of mobile communication, the requirements of communication rate are higher and higher, so that the radio frequency band used by the communication network is higher and the channel bandwidth is wider and wider, such as 900MHz and 1800MHz of a 2G GSM network, 200KHz of the channel bandwidth, 2100MHz of a3 GWDM network, 2600MHz of the 4G network, 20MHz of the 4G network, 70GHz of sub-6GHz and millimeter wave of the 5G NR network, and 1000MHz of the available bandwidth. With the increase of frequency, the attenuation of radio frequency signals in the transmission process is increased, the base station increases the transmission power in order to achieve the same communication distance, the power consumption of the base station is increased, the power consumption of a single macro base station is counted to be about 3-4 kW according to authoritative data, the power consumption of 5G equipment is increased by about 2-3 times compared with that of 4G equipment, and the 5G network power supply system is difficult to build and operate.

Another solution is to use a micro-cellular base station, a home base station, etc. as a relay to connect with a terminal, so that, depending on the power and coverage area, base stations of macro-cellular, micro-cellular, pico-cellular, etc. types appear, and on the network, a three-layer hierarchical cell is formed by the above base station types, but the complexity of network coverage and scheduling is increased. The small cellular base station has become a more attractive solution for operators, and besides the smaller size and low cost of chips, the low-transmission power micro cellular base station also has the function of allowing smaller frequency multiplexing, so that the requirements of two aspects of communication quality and capacity of a micro area can be met, and the small cellular base station has a 32% composite annual average growth rate according to statistics, so that the base station has a gradual power consumption reduction trend according to the development trend of the base station. In terms of the terminal, most of the time of the terminal works in a discontinuous reception state, and the terminal closes a module related to wireless transmission when data transmission is not needed under the control of changing the state, which has an influence on the time of the data transmission of the terminal, thereby influencing the time delay performance of the system, contradicting the current low-time delay network requirement, and in the latest relevant new discontinuous reception state standardization process, the improvement of the relevant performance and utilization of the discontinuous reception state is vigorously discussed, so that the current increase of the utilization rate of the terminal is also significant.

The related art provides a macro base station, which is configured for a home base station, and is used for controlling a transmitter to transmit signals and a receiver to receive signals of the home base station, so that frequent switching of a terminal between the macro base station and the home base station can be avoided.

Still another related art provides a base station and a terminal for collecting a movement history, the terminal of which is composed of a control section for setting information elements related to a terminal before a cell change is handed over to the terminal as a variable storage, and a transmission section for transmitting information to the terminal, however, the technology belongs to a cell control, and does not involve discontinuous reception optimization of the terminal and the base station nor integration of the terminal and the base station.

Another related art proposes a terminal including a control unit and a transmission unit, and a base station including a control unit and a reception unit, however, the technology is mainly used for precoding control of carriers, and does not involve integration of the terminal and the base station.

In summary, in the related technologies of the existing base station and terminal, the network optimization between the base station and the terminal, the handover between the terminal and the base station, the cell management, and the control signaling between the base station and the terminal are mainly considered. The above technique is basically optimized only for a certain part of the terminal or the base station, and integrated optimization of the terminal and the base station is not designed. And the current base station is basically fixed at a specific position and cannot move, which results in poor networking flexibility, especially in emergency situations.

In order to solve the above technical problems, an embodiment of the present application provides a base station and terminal integrated radio frequency transceiver, including: the antenna system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection; the transceivers include base station transceivers and terminal transceivers; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system. The application utilizes the integrated radio frequency transceiver of the base station and the terminal, has the advantages of miniaturization of the base station to reduce power consumption and improve discontinuous reception of the terminal to optimize network time delay; meanwhile, the base station terminal is compatible with a related radio frequency receiving and transmitting system, so that radio frequency devices of a network system are reduced, and the system cost is reduced; the base station mobility is realized by more obvious mobility, so that the mobile network has the characteristic of flexible networking. The application is based on the integrated design of the terminal and the base station, thereby realizing the optimization of power consumption and cost.

Embodiments of the present application will be described in detail below with reference to the attached drawings. However, it will be understood by those of ordinary skill in the art that in various embodiments of the present application, numerous specific details are set forth in order to provide a thorough understanding of the present application. The claimed application may be practiced without these specific details and with various changes and modifications based on the following embodiments.

Referring to fig. 1, an embodiment of the present application provides a base station and terminal integrated radio frequency transceiver, including: the antenna system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection; the transceivers include base station transceivers and terminal transceivers; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system.

The application provides a base station and terminal integrated radio frequency transceiver. The transceiver comprises four parts, namely: the system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system; the baseband processor is used for processing the digital baseband information and generating a baseband signal; specifically, the digital baseband information includes digital modulation and demodulation, digital signal processing, related function control and the like; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver and then fed into an antenna system for transmission and reception via a radio frequency front end. The radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end.

The transceivers include base station transceivers and terminal transceivers. It should be noted that, the transceiver may be formed by a single-chip integrated or discrete base station and terminal transceiver, and has functions of simultaneous operation of the base station and terminal, independent operation of the base station, independent operation of the terminal, and the like. That is, the base station terminal transceiver in the above-described architecture may integrate or use one transceiver. In addition, modems are shared or independent in the above architecture.

In some embodiments, the antenna system is used to receive communication signals and transmit related information; the antenna system comprises MIMO antennas, and the antenna systems of the base station and the terminal adopt a sharing or multiplexing mode.

Specifically, the base station and the terminal antenna system may be shared or multiplexed, and the switching is performed according to a specific use scenario, for example, the base station radio frequency front end may use an antenna of the terminal radio frequency front end, and the terminal radio frequency front end may use a MIMO antenna of the base station, where the functional block diagram is shown in fig. 1.

In the embodiment of the application, obvious functions in the networking process are shown in fig. 2, when a macro base station 1 (BS 1) needs to perform related communication with two cell edge terminals 3 (UE 3), the macro base station can be realized by relaying through a terminal 2 (UE 2), a specific signal flow is used for sending related signaling and data to the UE2 for a downlink base station, the UE2 is controlled to work in a base station mode, the UE2 serves as a relay to bear the functions of a pico base station, and the signaling and the data are sent to the UE3, so that the construction of a communication link of the UE3 by the base station is realized; in uplink, UE3 communicates with UE2 operating in base station mode, and then UE2 communicates with the macro station, thus realizing a complete uplink and downlink communication link. The networking mode has an obvious advantage, because the UE2 has movable operation, when the UE3 enters the cell edge or the base station edge, the real-time dynamic networking can be realized only by any UE2 passing, and the reliability and the stability of the network are improved. Meanwhile, the deployment of small base stations such as micro base stations and pico base stations can be saved, and the network cost is saved. Usually people focus together when using terminals, the density of terminals is higher and the distance between terminals is closer. When higher frequencies are used, the signal path attenuation becomes greater, affecting the quality of communication, and conventional base stations compensate for this by increasing power. The base station and terminal integrated transceiver of the application works in a base station mode when the terminal is idle, and the base station mode is utilized when high-density personnel gather to realize the near-distance communication between the base station and the non-idle terminal.

In some embodiments, the baseband processor is configured to control a terminal mode and a base station mode; when working in the base station mode, the baseband processor is used for controlling a base station transceiver, a base station radio frequency front end and an antenna corresponding to the base station to transmit and receive base station signals; when working in a terminal mode, the baseband processor is used for controlling a terminal transceiver, a terminal radio frequency front end and an antenna corresponding to a terminal to perform corresponding signal transceiving; and when the base station and the terminal work in the mode simultaneously, the baseband processor is used for realizing the data relay function and the terminal function of the base station.

In some embodiments, when the base station is designed independently of the terminal, the baseband processor includes a first baseband processor and a second baseband processor, for processing baseband signals of the base station and the terminal, respectively; the base station radio frequency transceiver and the terminal radio frequency transceiver form a transceiver together, and modulation and demodulation of radio frequency signals are respectively realized; the radio frequency front end comprises a filter, a power amplifier and a switch.

Fig. 3 shows an integrated solution where the base station is independent of the terminal. The baseband unit (baseband processor) is composed of a baseband processor 1 and a baseband processor 2, and processes baseband signals of the terminal and the base station respectively; the base station radio frequency transceiver and the terminal radio frequency transceiver form a transceiver unit, and modulation and demodulation of radio frequency signals are respectively realized; the radio frequency front end is composed of a filter, a power amplifier, a switch and the like. Because the above-mentioned framework adopts independent design, therefore, base station and transceiver can work at the same time, can work in terminal mode at the same time when the base station works, thus can realize the real-time networking real-time terminal communication function. In the above transceivers, the base transceiver station and the terminal transceiver may operate in different frequency bands, different network modes such as TDD or FDD, and different systems such as CDMA or LTE.

In some embodiments, in TDD mode, the uplink and downlink frequencies are identical, using the same analog front end; when working in a base station mode, the system comprises two working states, namely a downlink transmitting state and an uplink receiving state; when operating in the terminal mode, the system comprises two operating states, namely an uplink transmitting signal and a downlink receiving signal.

Fig. 4 is a framework of TDD base station terminal integration, and the same analog front end is adopted for uplink and downlink frequency uniformity of the TDD system. When the base station is in a base station mode, two working states exist, one is in a downlink transmitting state, the other is in an uplink receiving state, the base station is in a downlink transmitting state, a baseband processor generates a baseband signal, the baseband signal is modulated and demodulated by a base station transceiver unit and is transmitted to a switch through a downlink, the switch is used for selecting uplink transmission or downlink transmission, the downlink signal enters a filter after passing through the switch, the filter is used for filtering out-of-band spurious signals generated by a transceiver, the filtered radio-frequency signal enters an input power amplifier to be amplified, the amplified signal is subjected to filter processing of unwanted signals such as out-of-band harmonic waves and the like, and the signal after being filtered by the filter enters a TDD switch to feed the signal into an antenna system, so that the downlink signal transmission in the base station mode is realized; for the uplink receiving state, the antenna system receives the radio frequency signal of the terminal and then enters the uplink receiving link through the switch, and because the signal received by the antenna has useless interference signals, filtering processing is needed before the signal enters the low noise amplifier, and the amplified signal also needs to be filtered to filter out-of-band spurious while avoiding the blocking of the transceiver due to out-of-band spurious, and the filtered signal enters the base station transceiver through the base station and the terminal selecting switch to realize the receiving of the uplink signal.

Similarly, when the terminal works in the terminal mode, two states exist, one is an uplink transmission signal, and the uplink transmission signal is used for the terminal to transmit information such as voice, characters, pictures, video and the like to a network; one is a downlink receiving signal, which is used for receiving signals such as text, voice, video and the like at a network end. In an uplink working state, a baseband signal generated by a baseband processor enters an uplink transmission link through a base station and a terminal selection switch after being modulated and demodulated by a transceiver unit, the signal after being subjected to switching needs to be filtered to filter out-of-band spurious generated, the filtered signal enters a power amplifier to be amplified, the amplified signal needs to be filtered to meet the out-of-band spurious requirements of related specifications, and the filtered signal enters a TDD (time division duplex) switch to be fed into an antenna system, so that uplink transmission of a terminal is realized; for the downlink receiving state, after receiving information from the base station, the antenna enters a filter through the TDD selection switch, and then enters the base station terminal selection switch to realize downlink receiving after being amplified and filtered by the low noise amplifier in sequence. In the system, the power amplifier can use the amplifier with programmable gain to realize the power requirements of the terminal and the base station, and can flexibly adapt to different communication distances. Meanwhile, in order to reduce cost, power consumption and the like, the terminal base station modems can share one modem.

Fig. 5 is a transceiver architecture in FDD mode in which the uplink and downlink frequencies are not identical, the architecture being suitable for FDD mode. In a base station mode, when the downlink transmission frequency is inconsistent with the uplink reception frequency and the base station is in a downlink transmission state, a baseband processor generates a baseband signal, the baseband signal is modulated and demodulated by the base station and then is selected by a terminal transmission selection switch to enter a downlink transmission link, a radio frequency modulated signal generated by the modem enters an out-of-band rejection filter to filter out-of-band harmonic interference signals and the like, the filtered downlink transmission signal enters a broadband power amplifier to be amplified, and because the uplink and downlink frequencies of FDD are inconsistent, the downlink transmission signal enters the downlink filter through the switch to filter out interference beyond the downlink frequency, then enters another uplink and downlink selection switch, and finally is fed into an antenna system to realize downlink transmission of the signal; in the uplink receiving state, the signals received by the antenna system enter an uplink filter of an uplink receiving link through an uplink and downlink selection switch, interference signals except uplink receiving frequency are filtered, then enter a low-noise amplifying circuit through another uplink and downlink selection switch, and the amplified signals enter a base station modem through a base station terminal selection switch for signal demodulation after being filtered, and finally, the baseband is processed. Because FDD adopts frequency division multiplexing, the synchronous receiving and transmitting can be realized at the same time, and therefore, the switching, the power amplification control and the like in the process can be synchronously performed in time.

Similarly, when entering the terminal mode, the system can also work in an uplink transmitting state or a downlink receiving state. When the antenna works in an uplink transmitting state, signals generated by the baseband are modulated and then are switched to enter an uplink transmitting link through the baseband and a frequency selection switch, are subjected to out-of-band suppression and amplification and then enter uplink filtering through an uplink and downlink selection switch, and finally are fed into an antenna system after being switched through the switch; when the antenna works in a downlink receiving state, an antenna receives downlink signals, the downlink signals enter a downlink receiving filter through an uplink and downlink switch, the signals enter a low noise amplifier through a switch after being filtered and are subjected to out-of-band filtering, the signals enter a terminal modem through a base station and a terminal switch to be demodulated after the filtering is finished, and the obtained demodulated signals are processed for a baseband, so that the downlink receiving state of a terminal mode is realized.

It should be noted that, the relative positions of the antenna, the filter, and the switch in the above transceiver architecture may be adjusted and changed according to actual needs, such as filtering after entering the antenna, and then entering the switch. In addition, the position of the active power amplifier, the relevant filter, the switch and the like is adjusted and changed, such as amplification is added after the active power amplifier enters the switch. It will be appreciated that the relevant functions in the above architecture may be increased or decreased according to actual needs, such as amplification or filtering before or after power amplification or low noise amplification, and impedance matching may also be added before each module. The TDD and FDD modes may be integrated into an integrated structure, for example, two modes, TDD and FDD, are integrated into one.

Compared with the prior art, the application has the advantages that: the application integrates the base station and the terminal transceiver, reduces the radio frequency device through the related framework, and realizes the characteristics of low cost, low power consumption and the like.

By the above technical solution, an embodiment of the present application provides a radio frequency transceiver integrated with a base station and a terminal, including: the antenna system comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection; the transceivers include base station transceivers and terminal transceivers; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end; the baseband processor is used for processing the digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base transceiver station or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed antenna system.

The application integrates the base transceiver station and the terminal transceiver station, and the baseband signal generated by the baseband processor is modulated and demodulated by the base station or the terminal transceiver station, and then is fed into an antenna system for transmitting and receiving through the radio frequency front end. The baseband processor may be used for mode dependent control of the terminal and the base station. When the base station is in a base station mode, the base band processor controls the related base station transceiver, the radio frequency front end and the antenna to transmit and receive base station signals; when the base band processor works in a terminal mode, the base band processor controls the related terminal transceiver, the radio frequency front end and the antenna to carry out corresponding signal transceiving; in addition, the data relay function and the terminal function of the base station can be realized by simultaneously operating in modes of the base station and the terminal.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples of carrying out the application and that various changes in form and details may be made therein without departing from the spirit and scope of the application. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the application, and the scope of the application is therefore intended to be limited only by the appended claims.

Claims (10)

1. A base station and terminal integrated radio frequency transceiver comprising: the device comprises a baseband processor, a transceiver, a radio frequency front end and an antenna system, wherein the baseband processor, the transceiver, the radio frequency front end and the antenna system are in communication connection;

the transceiver includes a base station transceiver and a terminal transceiver; the radio frequency front end comprises a base station radio frequency front end and a terminal radio frequency front end;

the baseband processor is used for processing digital baseband information, generating a baseband signal and transmitting the baseband signal to the transceiver; the baseband signal is modulated and demodulated by a base station transceiver or a terminal transceiver, and then is transmitted and received by a corresponding radio frequency front end feed-in antenna system.

2. The base station and terminal integrated radio frequency transceiver of claim 1, wherein the baseband processor is configured to control a terminal mode and a base station mode;

When working in a base station mode, the baseband processor is used for controlling a base station transceiver, a base station radio frequency front end and an antenna corresponding to a base station to transmit and receive base station signals;

when working in a terminal mode, the baseband processor is used for controlling a terminal transceiver, a terminal radio frequency front end and an antenna corresponding to a terminal to perform corresponding signal transceiving;

And when the base station and the terminal work in the mode simultaneously, the baseband processor is used for realizing the data relay function and the terminal function of the base station.

3. The base station and terminal integrated radio frequency transceiver of claim 1, wherein the digital baseband information includes digital modem, digital signal processing, and related functional control.

4. The integrated base station and terminal radio frequency transceiver of claim 1, wherein the antenna system is configured to receive communication signals and transmit related information; the antenna system comprises MIMO antennas, and the antenna systems of the base station and the terminal adopt a sharing or multiplexing mode.

5. The integrated base station and terminal radio frequency transceiver of claim 1, wherein when the base station and terminal are independently configured, the baseband processor comprises a first baseband processor and a second baseband processor, respectively, for processing baseband signals of the base station and terminal; the base station radio frequency transceiver and the terminal radio frequency transceiver form a transceiver together, and modulation and demodulation of radio frequency signals are respectively realized; the radio frequency front end comprises a filter, a power amplifier and a switch.

6. The integrated base station and terminal radio frequency transceiver of claim 1, wherein in TDD mode, uplink and downlink frequencies are identical, using the same analog front end;

When working in a base station mode, the system comprises two working states, namely a downlink transmitting state and an uplink receiving state;

when operating in the terminal mode, the system comprises two operating states, namely an uplink transmitting signal and a downlink receiving signal.

7. The integrated base station and terminal radio frequency transceiver of claim 6, wherein when operating in base station mode, for a downlink transmit state, the baseband processor generates a baseband signal that is modulated by the transceiver and sent to the switch over the downlink; the switch is used for selecting uplink transmission or downlink transmission, downlink signals enter the filter after being switched, the filter is used for filtering out-of-band spurious signals generated by the transceiver, the filtered radio frequency signals enter the power amplifier to be amplified, the amplified signals are processed by the filter, and the signals filtered by the filter enter the TDD switch to feed the signals into the antenna system, so that downlink signal transmission in a base station mode is realized;

When the antenna system works in the base station mode, for the uplink receiving state, after receiving radio frequency signals of the terminal, the antenna system enters an uplink receiving link through switch selection, enters a low noise amplifier after filtering treatment, filters the amplified signals again, and the filtered signals enter a base station transceiver through a base station and terminal selection switch to realize the receiving of the uplink signals.

8. The integrated base station and terminal radio frequency transceiver according to claim 6, wherein when operating in a terminal mode, the uplink transmission signal is used for the terminal to transmit voice, text, pictures, video information to the network, i.e. an uplink operating state;

In an uplink working state, after a baseband signal generated by a baseband processor is modulated and demodulated by a transceiver, the baseband signal enters an uplink transmission link through a base station and a terminal selection switch, signals after being subjected to switching are filtered to remove out-of-band spurious signals, the filtered signals enter a power amplifier to be amplified, the amplified signals are filtered, and the filtered signals enter a TDD (time division duplex) change-over switch to be fed into an antenna system, so that uplink transmission of a terminal is realized;

When the terminal works in a terminal mode, the downlink receiving signal is used for receiving text, voice and video signals of a network end, namely a downlink receiving state;

For the downlink receiving state, the antenna receives the information from the base station, then enters the filtering through the TDD selection switch, and then enters the base station terminal selection switch after the information is amplified and filtered by the low noise amplifier in sequence to realize the downlink receiving.

9. The integrated base station and terminal radio frequency transceiver according to claim 6, wherein in FDD mode, uplink and downlink frequencies are not identical, and when entering base station mode, downlink transmission frequency is not identical to uplink reception frequency; in a downlink transmission state, after a baseband signal is generated by a baseband processor and modulated and demodulated by a base station, the baseband signal is selected to enter a downlink transmission link through a base station and terminal transmission selection switch, a radio frequency modulated signal generated by a base station modem sequentially enters an out-of-band rejection filter to filter interference signals, the filtered downlink transmission signal enters a broadband power amplifier to be amplified to obtain a downlink transmission signal, then the downlink transmission signal is selected to enter the downlink filter through the switch to filter interference outside downlink frequencies, then enters an uplink and downlink selection switch to be finally fed into an antenna system, and downlink transmission of the signal is realized;

In the uplink receiving state, the signal received by the antenna system enters an uplink filter of an uplink receiving link through an uplink and downlink selection switch, interference signals except uplink receiving frequency are filtered, then the interference signals enter a low-noise amplifying circuit through another uplink and downlink selection switch, the amplified signals enter a base station modem through a base station terminal selection switch for signal demodulation after being filtered, and finally the signals are sent to a baseband for processing.

10. The integrated base station and terminal radio frequency transceiver according to claim 6, wherein in FDD mode, uplink and downlink frequencies are not identical, and when entering terminal mode, uplink transmission frequency and downlink reception frequency are not identical; when the antenna works in an uplink transmitting state, signals generated by the baseband are modulated and then are switched to enter an uplink transmitting link through the baseband and a frequency selection switch, are amplified by an out-of-band rejection filter and then enter uplink filtering through an uplink and downlink selection switch, and finally are fed into an antenna system after being switched through the switch;

When the antenna works in a downlink receiving state, an antenna receives downlink signals, the downlink signals enter a downlink receiving filter through an uplink and downlink switch, the signals enter a low noise amplifier and an out-of-band rejection filter through the switch after being filtered, the signals enter a terminal modem through a base station and a terminal switch to be demodulated after the filtering is finished, and the obtained demodulated signals are processed for a baseband to realize a downlink receiving state of a terminal mode.