IP Library › Granted Patent US 11,777,535

Granted Patent B2

US 11,777,535 · App. 17/570,089 · Granted Oct 3, 2023

Radio frequency circuit and terminal device

Inventor: Sha Zhang (Guangdong, CN)

Assignee: VIVO MOBILE COMMUNICATION CO., LTD.

H04B1/0064 H04B1/0057 H04B1/0483 H04B1/1615 H04B1/44

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Quick Facts

Patent No.: US 11,777,535
App. No.: 17/570,089
Granted: Oct 3, 2023
Kind: B2

External Links

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Abstract

A radio frequency circuit includes a radio frequency front-end module, a switch module and an antenna module. The radio frequency front-end module includes a radio frequency transceiver and a first processing module connected to the radio frequency transceiver, the antenna module includes an antenna for receiving or transmitting a radio frequency signal, and the first processing module is configured to transmit a signal of a first network and a signal of a second network.

Claims (100)

1. A radio frequency circuit, comprising a radio frequency front-end module, a switch module, and an antenna module, wherein

the radio frequency front-end module comprises a radio frequency transceiver and a first processing module connected to the radio frequency transceiver;

the antenna module comprises an antenna for receiving or transmitting a radio frequency signal;

a first terminal of the radio frequency transceiver is connected to a first terminal of the first processing module, and a second terminal of the radio frequency transceiver is connected to a second terminal of the first processing module;

a third terminal of the first processing module is connected to a first terminal of the switch module;

a second terminal of the switch module is connected to the antenna module;

the first terminal of the radio frequency transceiver is configured to transmit a signal of a first network;

the second terminal of the radio frequency transceiver is configured to transmit a signal of a second network; and

the first processing module is configured to transmit the signal of the first network and the signal of the second network; wherein

the first processing module comprises a first processing sub-module and a second processing sub-module;

the first terminal of the switch module comprises a fifth sub-terminal and a sixth sub-terminal;

the first terminal of the radio frequency transceiver is connected to a first terminal of the first processing sub-module, and the second terminal of the radio frequency transceiver is connected to a first terminal of the second processing sub-module;

a second terminal of the first processing sub-module is connected to the fifth sub-terminal;

a second terminal of the second processing sub-module is connected to the sixth sub-terminal;

a third terminal of the first processing sub-module is connected to a third terminal of the second processing sub-module;

the first processing sub-module is configured to transmit the signal of the first network and/or the signal of the second network; and

the second processing sub-module is configured to receive at least one of the signal of the first network or the signal of the second network, or is configured to receive the signal of the first network and transmit the signal of the second network, or is configured to transmit the signal of the second network.

2. The radio frequency circuit according to claim 1 , wherein the radio frequency front-end module further comprises a second processing module, a third processing module and a fourth processing module;

the antenna module comprises a first antenna, a second antenna, a third antenna and a fourth antenna for receiving or transmitting a radio frequency signal;

the second terminal of the switch module comprises a first sub-terminal, a second sub-terminal, a third sub-terminal and a fourth sub-terminal;

a first terminal of the second processing module is connected to a third terminal of the radio frequency transceiver, and a second terminal of the second processing module is connected to a third terminal of the switch module;

a first terminal of the third processing module is connected to a fourth terminal of the radio transceiver, and a second terminal of the third processing module is connected to a fourth terminal of the switch module;

a first terminal of the fourth processing module is connected to a fifth terminal of the radio frequency transceiver, and a second terminal of the fourth processing module is connected to a fifth terminal of the switch module;

the first sub-terminal of the switch module is connected to the first antenna;

the second sub-terminal of the switch module is connected to the second antenna;

the third sub-terminal of the switch module is connected to the third antenna;

the fourth sub-terminal of the switch module is connected to the fourth antenna;

the second processing module is configured to receive the signal of the first network and/or the signal of the second network;

the third processing module is configured to receive at least one of the signal of the first network or the signal of the second network, or is configured to receive the signal of the first network and transmit the signal of the second network, or is configured to transmit the signal of the second network; and

the fourth processing module is configured to receive the signal of the first network and/or the signal of the second network.

3. The radio frequency circuit according to claim 1 , wherein the first processing sub-module comprises a third power amplifier and a second combining unit;

the second processing sub-module comprises a fourth power amplifier and a switch unit;

an input terminal of the third power amplifier is connected to the first terminal of the radio frequency transceiver, and an output terminal of the third power amplifier is connected to a first terminal of the second combining unit;

an input terminal of the fourth power amplifier is connected to the second terminal of the radio frequency transceiver, and an output terminal of the fourth power amplifier is connected to a first terminal of the switch unit;

a second terminal of the second combining unit is connected to a second terminal of the switch unit;

a third terminal of the second combining unit is connected to the fifth sub-terminal; and

a third terminal of the switch unit is connected to the sixth sub-terminal.

4. The radio frequency circuit according to claim 3 , wherein during a time slot or symbol period of performing sounding reference signal (SRS) antenna switching by the second network, the switch unit and the second combining unit are adjusted, so that

the first processing sub-module and the second processing sub-module communicate with a target antenna in the antenna module for transmitting the signal of the first network and the signal of the second network.

5. The radio frequency circuit according to claim 1 , wherein the radio frequency front-end module further comprises a fifth processing module and a sixth processing module;

the antenna module comprises a first antenna, a second antenna, a third antenna and a fourth antenna for receiving or transmitting a radio frequency signal;

the second terminal of the switch module comprises a first sub-terminal, a second sub-terminal, a third sub-terminal and a fourth sub-terminal;

a first terminal of the fifth processing module is connected to a sixth terminal of the radio frequency transceiver, and a second terminal of the fifth processing module is connected to a third terminal of the switch module;

a first terminal of the sixth processing module is connected to a seventh terminal of the radio frequency transceiver, and a second terminal of the sixth processing module is connected to a fourth terminal of the switch module;

the first sub-terminal of the switch module is connected to the first antenna;

the second sub-terminal of the switch module is connected to the second antenna;

the third sub-terminal of the switch module is connected to the third antenna;

the fourth sub-terminal of the switch module is connected to the fourth antenna;

the fifth processing module is configured to receive the signal of the first network and/or the signal of the second network; and

the sixth processing module is configured to receive the signal of the first network and/or the signal of the second network.

6. A terminal device, comprising a radio frequency circuit, wherein the radio frequency circuit comprises a radio frequency front-end module, a switch module, and an antenna module;