WO2017190500A1 - Mobile terminal, and communication method and communication system thereof - Google Patents

Abstract

The present invention discloses a mobile terminal, and a communication method and communication system thereof. The system comprises a transceiver and a processing module. In the present invention, a transceiver is controlled by a processing module, so that the transceiver transmits/receives a mobile communication signal and a WiFi signal in a time division multiplex access mode; in this way, it is realized that a mobile communication signal and a WiFi signal are transmitted/received by one transceiver, thus decreasing the cost of a mobile terminal, reducing the volume of the mobile terminal, and reducing power consumption.

Description

Mobile terminal, communication method and communication system thereof Technical field

The present invention relates to the field of mobile communications, and in particular, to a mobile terminal, a communication method thereof, and a communication system.

Background technique

With the advent of the 5G era, multi-mode multi-band cooperative communication is imperative. The current communication terminal 5G/4G/3G/2G communication shares one transceiver, while WiFi/BT (Bluetooth) also exists independently and dedicated WiFi/BT Transceiver, such that the terminal has at least two transceivers, that is, 5G/4G/3G/2G shares one transceiver, and WiFi/BT uses another transceiver, which has a great influence on the cost, volume, etc. of the terminal; Therefore, the existing terminal uses at least two transceivers, resulting in high terminal cost and large volume.

Therefore, the prior art has yet to be improved and improved.

technical problem

The object of the present invention is to provide a mobile terminal, a communication method thereof and a communication system, which use a transceiver to transmit and receive mobile communication signals and WiFi signals, so as to solve the technical problem of excessive cost and excessive volume of the mobile terminal in the prior art. .

Technical solution

In order to achieve the above object, the present invention adopts the following technical solutions:

A communication system for a mobile terminal, comprising:

a transceiver for transmitting and receiving a mobile communication signal, a WiFi/Bluetooth signal, the mobile communication signal comprising one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal;

The processing module is configured to control the transceiver to transmit the mobile communication signal and the WiFi/Bluetooth signal in a time division multiplexing manner, and control the transceiver to receive the mobile communication signal and the WiFi/Bluetooth signal in a time division multiplexing manner.

In the communication system of the mobile terminal, the transceiver is specifically configured to:

Low-pass filtering the transmitted data signal output by the processing module:

Up-modulating modulation of the filtered transmit data signal and the transmit local oscillator signal;

Power amplification of the upconverted modulated transmit data signal;

The power amplified data signal is transmitted from the corresponding output channel in a frequency band and mode.

In the communication system of the mobile terminal, the transceiver is further configured to:

Receiving a mobile communication signal or a WiFi/Bluetooth signal;

Amplify the mobile communication signal or the WiFi/Bluetooth signal;

Performing down-conversion demodulation on the amplified mobile communication signal or WiFi/Bluetooth signal according to the local oscillator signal of the receiving end;

Low pass filtering the demodulated mobile communication signal or WiFi/Bluetooth signal;

The filtered mobile communication signal or the WiFi/Bluetooth signal is output to the processing module.

In the communication system of the mobile terminal, the transceiver includes:

a first low pass filter for low pass filtering the transmit data signal output by the processing module; the transmit data signal comprising a mobile communication signal and a WiFi/Bluetooth signal.

Transmitting an up-converter for performing up-conversion modulation on the filtered transmit data signal according to the local oscillator signal of the transmitting end;

a power amplifier for amplifying the modulated transmitted data signal;

a switch unit, configured to output the amplified transmit data signal to a corresponding output channel according to a channel control signal of the processing module;

a first low noise amplifier for amplifying an external mobile communication signal;

a second low noise amplifier for amplifying an external WiFi/Bluetooth signal;

Receiving a down converter for down-converting a mobile communication signal or a WiFi/Bluetooth signal according to a local oscillator signal of the receiving end;

The second low-pass filter is configured to perform low-pass filtering on the demodulated mobile communication signal or the WiFi/Bluetooth signal, and output the filtered mobile communication signal or the WiFi/Bluetooth signal to the processing module.

In the communication system of the mobile terminal, the switch unit includes a single-pole multi-throw switch for controlling on and off of a plurality of output channels.

In the communication system of the mobile terminal, the switching unit is disposed in each output channel.

In the communication system of the mobile terminal, the transceiver further includes:

The local oscillator signal generating unit is configured to output a local oscillator local signal to the transmitting upconverter according to the reference clock signal output by the processing module, and output the receiving local oscillator signal to the receiving downconverter.

In the communication system of the mobile terminal, the local oscillator signal generating unit includes:

The amplifier AMP receives the reference clock signal of the processor module and then performs amplification;

The frequency multiplier xN, the amplified reference clock signal is N-time amplified to become a reference clock and supplied to the transmitting local oscillator circuit and the receiving local oscillator circuit;

a transmitting controller receives a transmission control signal output by the processing module, and controls the transmitting local oscillator circuit to generate a target transmitting local oscillator clock signal;

The local oscillator circuit is transmitted, and the target transmitting local oscillator clock signal is output to the transmitting up-converter, so that the transmitting up-converter performs up-conversion modulation on the transmitted data signal according to the target transmitting local oscillator clock signal.

In the communication system of the mobile terminal:

Receiving, by the receiving controller, a receiving control signal output by the processing module 10;

The receiving local oscillator circuit generates a target receiving local oscillator clock signal according to the receiving control signal, and outputs a target receiving local oscillator clock signal to the receiving down converter for receiving the down converter to receive the local oscillator clock signal according to the target. Receive data for downconversion.

A communication method of a mobile terminal, comprising the following steps:

A. The processing module controls the transceiver to transmit the mobile communication signal and the WiFi signal in a time division multiplexing manner, and controls the transceiver to receive the mobile communication signal and the WiFi signal in a time division multiplexing manner;

B. The transceiver transmits and receives a mobile communication signal and a WiFi signal according to a control instruction of the processing module.

In the communication method of the mobile terminal, the mobile communication signal includes one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal.

In the communication method of the mobile terminal, the step B specifically includes:

After receiving the transmit data signal output by the processing module, performing low pass filtering on the transmit data signal;

Up-modulating modulation of the filtered transmit data signal and the transmit local oscillator signal;

Power amplification of the upconverted modulated transmit data signal;

The power amplified data signal is transmitted from the corresponding output channel in a frequency band and mode.

In the communication method of the mobile terminal, the transmission data signal includes a mobile communication signal and a WiFi signal.

In the communication method of the mobile terminal, the transmitting and outputting the power amplified data signal from the corresponding output channel according to the frequency band and the mode is implemented by the switch unit.

In the communication method of the mobile terminal, the switch unit includes a single-pole multi-throw switch for controlling on and off of a plurality of output channels.

In the communication method of the mobile terminal, the switching unit is disposed in each output channel.

In the communication method of the mobile terminal, the step B further includes:

Amplifying the mobile communication signal or the WiFi signal when receiving an external mobile communication signal or a WiFi signal;

Performing down-conversion demodulation on the amplified mobile communication signal or WiFi signal according to the local oscillator signal of the receiving end;

Low-pass filtering the demodulated mobile communication signal or WiFi signal;

The filtered mobile communication signal or WiFi signal is output to the processing module.

In the communication method of the mobile terminal, the method further includes the following steps:

According to the reference clock signal output by the processing module, the local oscillator signal of the transmitting end and the local oscillator signal of the receiving end are output.

In the communication method of the mobile terminal, the outputting the local oscillator signal and the local oscillator signal of the receiving end according to the reference clock signal output by the processing module, specifically includes:

After receiving the reference clock signal of the processor module, the amplification is performed first;

The amplified reference clock signal is N-time amplified to become a reference clock and supplied to the transmitting local oscillator circuit and the receiving local oscillator circuit;

Receiving a transmission control signal output by the processing module, and controlling the transmitting local oscillator circuit to generate a target transmitting local oscillator clock signal;

Outputting the target transmitting local oscillator clock signal to the transmitting up-converter for transmitting the up-converter to perform up-conversion modulation on the transmitted data signal according to the target transmitting local oscillator clock signal; or

Receiving a receiving control signal output by the processing module;

Generating a target receiving local oscillator clock signal according to the receiving control signal, and outputting the target receiving local oscillator clock signal to the receiving down converter, so that the receiving down converter performs down-conversion demodulation on the received data according to the target receiving local oscillator clock signal. .

A mobile terminal includes:

One or more processors;

Memory, and

One or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the processor, the one or more programs for performing a communication method of the mobile terminal as described above .

Beneficial effect

Compared with the prior art, in the mobile terminal and the communication method and communication system provided by the present invention, the system includes a transceiver and a processing module. The invention controls the transceiver through the processing module, so that the transceiver transmits/receives the mobile communication signal and the WiFi signal in a time division multiplexing manner, thereby realizing the transmission/reception of the mobile communication signal and the WiFi signal by using one transceiver, thereby reducing the The cost of the mobile terminal reduces the size of the mobile terminal and reduces power consumption.

DRAWINGS

FIG. 1 is a structural block diagram of a communication system of a mobile terminal provided by the present invention.

2 is a flow chart of a method for communicating a mobile terminal according to the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

The invention provides a mobile terminal, a communication method thereof and a communication system. The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention provides a communication system for a mobile terminal. Referring to FIG. 1, the communication system includes a processing module 10 and a transceiver 20.

The processing module 10 is configured to control the transceiver 20 to transmit the mobile communication signal, the WiFi signal, and the Bluetooth signal in a time division multiplexing manner, and control the transceiver 20 to receive the mobile communication signal, the WiFi signal, and the Bluetooth signal in a time division multiplexing manner. . The mobile communication signal is a cellular mobile communication signal. In this embodiment, the processing module 10 is preferably a CPU (processor).

The transceiver 20 is configured to transmit and receive mobile communication signals, WiFi signals, and Bluetooth signals. In this embodiment, only one transceiver 20 is provided in the mobile terminal. In other words, a transceiver is used to transmit and receive cellular mobile communication signals, WiFi signals, and Bluetooth signals, and each signal is transmitted by using time division multiplexing technology. Thereby, the cost of the mobile terminal is reduced, the size of the mobile terminal is reduced, and power consumption is reduced.

Further, the mobile communication signal includes one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal. In this embodiment, the mobile communication signal includes a 5G signal, a 4G signal, a 3G signal, and a 2G signal. It saves cost by multiplexing WiFi/BT (Bluetooth) and 5G/4G/3G/2G in one wireless channel. WiFi/BT (Bluetooth) and 5G/4G/3G/2G cooperative communication, in other words, the mobile terminal of the present invention can communicate not only by using conventional mobile communication signals, but also by WiFi or BT (Bluetooth). Communicate and get rid of the restrictions of operators.

The transceiver 20 is specifically configured to: perform low-pass filtering on the transmit data signal output by the processing module 10, perform up-conversion modulation on the filtered transmit data signal and the transmit local oscillator signal, and transmit the data signal after the up-conversion modulation. Performing power amplification, transmitting and outputting the power amplified data signal from the corresponding output channel according to the frequency band and the mode; and receiving the mobile communication signal, the WiFi signal or the Bluetooth signal, and amplifying the mobile communication signal, the WiFi signal or the Bluetooth signal, Performing down-conversion demodulation on the amplified mobile communication signal, WiFi signal or Bluetooth signal according to the local oscillator signal of the receiving end, and performing low-pass filtering on the demodulated mobile communication signal, WiFi signal or Bluetooth signal, and filtering the mobile communication The signal, WiFi signal or Bluetooth signal is output to the processing module 10. The transmit data signal includes a mobile communication signal, a WiFi signal, and a Bluetooth signal.

Further, the transceiver 20 includes a first low pass filter 210, a transmit upconverter 220, a power amplifier PA, a switch unit 230, a first low noise amplifier 240, a second low noise amplifier 250, and a receive down converter 260. The second low pass filter 270 and the local oscillation signal generating unit 280.

The first low pass filter 210 is configured to perform low pass filtering on the transmit data signal output by the processing module 10.

The transmitting upconverter 220 is configured to perform up-conversion modulation on the filtered transmit data signal according to the local oscillator signal of the transmitting end.

The power amplifier PA is configured to amplify the modulated transmit data signal.

The switch unit 230 is configured to output the amplified transmit data signal (ie, the transmit data radio frequency signal) to the corresponding output channel according to the channel control signal of the processing module 10. As shown in FIG. 2, the 5G signal, the 4G signal, the 3G signal, and the 2G signal share n-1 first output channel outputs (TX1, TX2, ..., TXn-1), and the specific signal in which channel is output according to the frequency band Depending on the mode, n is a positive integer greater than one. The WiFi signal and the Bluetooth signal share a second output channel TXn output, and the output of the power amplifier PA is connected to the output channels TX1, TX2, ..., TXn through the switch unit 230. Further, the switch unit 230 includes a single-pole multi-throw switch for controlling on and off of the plurality of output channels such that at a certain time, only one output channel outputs a transmit data RF signal. Of course, it is also possible to provide a switch corresponding to each output channel, which is not limited in the present invention. The switch is controlled by the processing module 10 such that the output channel corresponds to the transmitted data signal output by the processing module 10 without error.

The transceiver 20 receives a radio frequency signal such as a mobile communication signal, a WiFi signal or a Bluetooth signal sent by the outside, and the external 5G signal, 4G signal, 3G signal and 2G signal share n-1 first input channel inputs (RX1, RX2, ..., RXn-1), the specific signal in which input depends on its signal frequency band and mode. The external WiFi signal and the Bluetooth signal share a second input channel RXn input.

The first low noise amplifier 240 is configured to amplify an external mobile communication signal.

The second low noise amplifier 250 is configured to amplify an external WiFi signal and a Bluetooth signal. That is, each receiving channel corresponds to a low noise amplifier, and a corresponding low noise amplifier is designed according to the receiving frequency band corresponding to each receiving channel, so that the low noise amplifier of each receiving channel matches the frequency band received by the receiving channel.

The receiving down converter 260 is configured to perform down-conversion demodulation on the mobile communication signal, the WiFi signal or the Bluetooth signal according to the local oscillator signal of the receiving end.

The second low pass filter 270 is configured to perform low-pass filtering on the demodulated mobile communication signal, the WiFi signal, or the Bluetooth signal, and output the filtered mobile communication signal, the WiFi signal, or the Bluetooth signal to the processing module 10 . Low-pass filtering is performed by the second low-pass filter 270 to filter out the clutter interference in the received demodulated signal, and the processing module 10 receives the filtered data and performs related processing, thus completing the WiFi/BT/5G/ 4G/3G/2G data receiving process.

The local oscillator signal generating unit 280 is configured to output a transmitting local oscillator signal to the transmitting upconverter 220 according to the reference clock signal output by the processing module 10, and output the receiving local oscillator signal to the receiving downconverter 260. The first output end of the local oscillator signal generating unit 280 outputs a transmitting local oscillator signal, and the second output end of the local oscillator signal generating unit 280 outputs a receiving local oscillator signal.

The input end of the first low pass filter 210 is connected to the transmit data output end of the processing module 10, and the output end of the first low pass filter 210 is connected to the first input end of the transmit upconverter 220. The second input end of the frequency converter 220 is connected to the first output end of the local oscillator signal generating unit 280, and the output end of the transmitting up-converter 220 is connected to one end of the switch unit 230 through the power amplifier PA, and the other end of the switch unit 230 Connect each output channel. Each of the input channels is connected to the first input of the down converter 260 through a corresponding low noise amplifier connection, and the second input of the receive down converter 260 is coupled to the second output of the local oscillator signal generating unit 280, The output of the receive downconverter 260 is coupled to the receive data terminal of the processing module 10 via a second low pass filter 270.

Further, referring to FIG. 1, the local oscillator signal generating unit 280 includes an amplifier AMP, a frequency multiplier xN, a transmitting controller, a transmitting local oscillator circuit, a receiving controller, and a receiving local oscillator circuit.

The processing module 10 outputs a reference clock signal to the amplifier AMP. After receiving the reference clock signal, the amplifier AMP first performs amplification, and the amplified reference clock signal is N-time amplified by the frequency multiplier xN to become a reference clock and supplied to the transmitting local oscillator circuit. And receive the local oscillator circuit. The transmitting controller receives the transmitting control signal output by the processing module 10, controls the transmitting local oscillator circuit to generate a target transmitting local oscillator clock signal, and transmits the local oscillator circuit to output the target transmitting local oscillator clock signal (ie, the transmitting end local oscillator signal) to the transmitting. The frequency converter and the transmitting up-converter perform up-conversion modulation on the transmitted data signal according to the target transmitting local oscillator clock signal. Similarly, the receiving controller receives the receiving control signal output by the processing module 10, controls the receiving local oscillator circuit to generate a target receiving local oscillator clock signal (ie, the receiving local oscillator signal), and the receiving local oscillator circuit receives the local oscillator clock from the target. The signal is output to the receiving down converter, and the receiving down converter performs down-conversion demodulation on the received data according to the target receiving local oscillator clock signal.

In summary, through the above solution, the transceiver supports both WiFi/BT and 5G/4G/3G/2G and time-multiplexed transmit and receive channel schemes, thereby enabling WiFi/BT and 5G/4G/3G/ 2G collaborative communication. WiFi/BT and 5G/4G/3G/2G cooperative communication means that WiFi/BT is used as the same communication function as 5G/4G/3G/2G, but different communication paths or communication pipes are used in communication, that is, respectively Select WiFi/BT, 5G, 4G, 3G, 2G paths for communication with the same function.

When WiFi/BT and 5G/4G/3G/2G cooperative communication, WiFi/BT must realize the same function as 5G/4G/3G/2G, that is, when communicating with WiFi/BT, WiFi/BT is not only compatible with traditional WiFi/ BT can also perform broadband access, and can also realize communication functions of various operators such as directional voice and short message.

The invention adopts multi-mode multi-band cooperative communication, that is, normalizes multi-mode multi-band design, and shares a transceiver or a wireless channel for each wireless mode and frequency band such as 5G, 4G, 3G, 2G, WiFi, BT, etc. To achieve, this will reduce terminal costs, reduce terminal size, reduce power consumption, and so on. In the long run, with the advent of the 5G era, the promotion of ultra-dense networks, intelligent virtual networks, virtual terminals, etc., the normalized design of each frequency band of each wireless mode of the terminal greatly saves the space and cost of the mobile terminal.

The above communication system is disposed in the mobile terminal, so that the mobile terminal has the capability of making calls, short messages, and directed voices through WiFi or Bluetooth, thereby improving the communication capability of the mobile terminal.

Based on the communication system provided by the foregoing embodiment, the present invention further provides a communication method of the mobile terminal. Referring to FIG. 2, the communication method further includes the following steps:

S10. The processing module controls the transceiver to transmit the mobile communication signal, the WiFi signal, and the Bluetooth signal by using a time division multiplexing manner, and controls the transceiver to receive the mobile communication signal, the WiFi signal, and the Bluetooth signal by using a time division multiplexing manner. The mobile communication signal includes one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal.

S20. The transceiver transmits and receives a mobile communication signal, a WiFi signal, and a Bluetooth signal according to a control instruction of the processing module.

The step S20 specifically includes: when receiving the transmit data signal output by the processing module, performing low-pass filtering on the transmit data signal, and performing up-conversion modulation on the filtered transmit data signal and the transmit local oscillator signal, The frequency-modulated transmitted data signal is subjected to power amplification, and the power-amplified transmitted data signal is transmitted and outputted from the corresponding output channel according to the frequency band and the mode; when an external mobile communication signal, WiFi signal or Bluetooth signal is received, the mobile The communication signal, the WiFi signal or the Bluetooth signal is amplified, and the amplified mobile communication signal, the WiFi signal or the Bluetooth signal is down-converted according to the local oscillator signal of the receiving end, and the demodulated mobile communication signal, WiFi signal or Bluetooth signal is used. Perform low-pass filtering to output the filtered mobile communication signal, WiFi signal or Bluetooth signal to the processing module. The transmit data signal includes a mobile communication signal and a WiFi signal.

The specific principles and detailed technical features of the communication method of the mobile terminal are described in detail in the foregoing embodiments, and details are not described herein again.

The division of the above functional modules is only for exemplification. In practical applications, the above function assignments may be performed by different functional modules as needed, that is, divided into different functional modules to complete all or part of the functions described above.

A person of ordinary skill in the art may understand that all or part of the processes in the foregoing embodiment may be completed by a computer (or mobile terminal) program, and the computer (or mobile terminal) program may be stored in a computer. The (or mobile terminal) can be read into the storage medium, and the program, when executed, can include the flow of an embodiment of each of the above methods. The storage medium may be a magnetic disk, an optical disk, a read only memory (ROM) or a random access memory (RAM).

It is to be understood that those skilled in the art can make equivalent substitutions or changes to the inventions and the inventions of the present invention, and all such changes or substitutions fall within the scope of the appended claims.

Claims (20)

 A communication system for a mobile terminal, comprising: a transceiver for transmitting and receiving a mobile communication signal, a WiFi/Bluetooth signal, the mobile communication signal comprising one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal; The processing module is configured to control the transceiver to transmit the mobile communication signal and the WiFi/Bluetooth signal in a time division multiplexing manner, and control the transceiver to receive the mobile communication signal and the WiFi/Bluetooth signal in a time division multiplexing manner. The communication system of the mobile terminal according to claim 1, wherein the transceiver is specifically configured to: Low-pass filtering the transmitted data signal output by the processing module: Up-modulating modulation of the filtered transmit data signal and the transmit local oscillator signal; Power amplification of the upconverted modulated transmit data signal; The power amplified data signal is transmitted from the corresponding output channel in a frequency band and mode. The communication system of the mobile terminal of claim 2, wherein the transceiver is further configured to: Receiving a mobile communication signal or a WiFi/Bluetooth signal; Amplify the mobile communication signal or the WiFi/Bluetooth signal; Performing down-conversion demodulation on the amplified mobile communication signal or WiFi/Bluetooth signal according to the local oscillator signal of the receiving end; Low pass filtering the demodulated mobile communication signal or WiFi/Bluetooth signal; The filtered mobile communication signal or the WiFi/Bluetooth signal is output to the processing module. A communication system for a mobile terminal according to claim 1, wherein said transceiver comprises: a first low pass filter, configured to perform low pass filtering on a transmit data signal output by the processing module; the transmit data signal includes a mobile communication signal and a WiFi/Bluetooth signal; Transmitting an up-converter for performing up-conversion modulation on the filtered transmit data signal according to the local oscillator signal of the transmitting end; a power amplifier for amplifying the modulated transmitted data signal; a switch unit, configured to output the amplified transmit data signal to a corresponding output channel according to a channel control signal of the processing module; a first low noise amplifier for amplifying an external mobile communication signal; a second low noise amplifier for amplifying an external WiFi/Bluetooth signal; Receiving a down converter for down-converting a mobile communication signal or a WiFi/Bluetooth signal according to a local oscillator signal of the receiving end; The second low-pass filter is configured to perform low-pass filtering on the demodulated mobile communication signal or the WiFi/Bluetooth signal, and output the filtered mobile communication signal or the WiFi/Bluetooth signal to the processing module. A communication system for a mobile terminal according to claim 4, wherein said switching unit comprises a single-pole multi-throw switch for controlling on and off of the plurality of output channels. A communication system for a mobile terminal according to claim 4, wherein said switching unit is provided at each output channel. The communication system of the mobile terminal of claim 4, wherein the transceiver further comprises: The local oscillator signal generating unit is configured to output a local oscillator local signal to the transmitting upconverter according to the reference clock signal output by the processing module, and output the receiving local oscillator signal to the receiving downconverter. The communication system of the mobile terminal according to claim 7, wherein the local oscillation signal generating unit comprises: The amplifier AMP receives the reference clock signal of the processor module and then performs amplification; The frequency multiplier xN, the amplified reference clock signal is N-time amplified to become a reference clock and supplied to the transmitting local oscillator circuit and the receiving local oscillator circuit; a transmitting controller receives a transmission control signal output by the processing module, and controls the transmitting local oscillator circuit to generate a target transmitting local oscillator clock signal; The local oscillator circuit is transmitted, and the target transmitting local oscillator clock signal is output to the transmitting up-converter, so that the transmitting up-converter performs up-conversion modulation on the transmitted data signal according to the target transmitting local oscillator clock signal. A communication system for a mobile terminal according to claim 8, wherein: The receiving controller receives a receiving control signal output by the processing module; The receiving local oscillator circuit generates a target receiving local oscillator clock signal according to the receiving control signal, and outputs a target receiving local oscillator clock signal to the receiving down converter for receiving the down converter to receive the local oscillator clock signal according to the target. Receive data for downconversion. A communication method of a mobile terminal, comprising the following steps: A. The processing module controls the transceiver to transmit the mobile communication signal and the WiFi signal in a time division multiplexing manner, and controls the transceiver to receive the mobile communication signal and the WiFi signal in a time division multiplexing manner; B. The transceiver transmits and receives a mobile communication signal and a WiFi signal according to a control instruction of the processing module. The communication method of the mobile terminal according to claim 10, wherein the mobile communication signal comprises one or more of a 5G signal, a 4G signal, a 3G signal, and a 2G signal. The communication method of the mobile terminal according to claim 10, wherein the step B specifically comprises: After receiving the transmit data signal output by the processing module, performing low pass filtering on the transmit data signal; Up-modulating modulation of the filtered transmit data signal and the transmit local oscillator signal; Power amplification of the upconverted modulated transmit data signal; The power amplified data signal is transmitted from the corresponding output channel in a frequency band and mode. The communication method of a mobile terminal according to claim 12, wherein said transmission data signal comprises a mobile communication signal and a WiFi signal. The communication method of the mobile terminal according to claim 12, wherein the transmitting and outputting the power-amplified transmitted data signal from the corresponding output channel according to the frequency band and the mode is implemented by the switch unit. The communication method of a mobile terminal according to claim 12, wherein said switching unit comprises a single-pole multi-throw switch for controlling on and off of the plurality of output channels.  The communication method of a mobile terminal according to claim 12, wherein said switching unit is provided at each output channel. The communication method of the mobile terminal according to claim 12, wherein the step B further comprises: Amplifying the mobile communication signal or the WiFi signal when receiving an external mobile communication signal or a WiFi signal; Performing down-conversion demodulation on the amplified mobile communication signal or WiFi signal according to the local oscillator signal of the receiving end; Low-pass filtering the demodulated mobile communication signal or WiFi signal; The filtered mobile communication signal or WiFi signal is output to the processing module. The communication method of the mobile terminal according to claim 17, further comprising the steps of: According to the reference clock signal output by the processing module, the local oscillator signal of the transmitting end and the local oscillator signal of the receiving end are output. The communication method of the mobile terminal according to claim 18, wherein the outputting the local oscillator signal and the local oscillator signal of the receiving end according to the reference clock signal output by the processing module comprises: After receiving the reference clock signal of the processor module, the amplification is performed first; The amplified reference clock signal is N-time amplified to become a reference clock and supplied to the transmitting local oscillator circuit and the receiving local oscillator circuit; Receiving a transmission control signal output by the processing module, and controlling the transmitting local oscillator circuit to generate a target transmitting local oscillator clock signal; Outputting the target transmitting local oscillator clock signal to the transmitting up-converter for transmitting the up-converter to perform up-conversion modulation on the transmitted data signal according to the target transmitting local oscillator clock signal; or Receiving a receiving control signal output by the processing module; Generating a target receiving local oscillator clock signal according to the receiving control signal, and outputting the target receiving local oscillator clock signal to the receiving down converter, so that the receiving down converter performs down-conversion demodulation on the received data according to the target receiving local oscillator clock signal. .  A mobile terminal that operates the communication method of the mobile terminal according to any one of claims 10-19.