阅读说明：本技术 一种无线通信装置及其天线切换方法 (Wireless communication device and antenna switching method thereof ) 是由 徐求良 刘道明 王辉 荆伟涛 雷剑文 赵军 上官声长 宋红萍 王新柱 白欣 于 2020-03-26 设计创作，主要内容包括：本申请提供一种无线通信装置及其天线切换方法,无线通信装置包括：信号处理模块、切换开关、第一天线以及至少两个第二天线。第一天线、至少两个第二天线通过切换开关与信号处理模块连接,第一天线作为发射天线,至少两个第二天线作为接收天线。信号处理模块,将第一天线与至少两个第二天线中性能最好的第二天线对比,若第一天线的性能较低,则控制切换开关将第一天线切换成接收天线,将性能最好的第二天线切换成发射天线。本申请公开的技术方案通过采用至少两个第二天线作为发射天线的备用天线,并在第一天线作为发射天线性能不好时,可以用性能最好的第二天线来作为发射天线,从而改善无线通信装置的通信性能。(The application provides a wireless communication device and an antenna switching method thereof, wherein the wireless communication device comprises: the antenna comprises a signal processing module, a selector switch, a first antenna and at least two second antennas. The first antenna and the at least two second antennas are connected with the signal processing module through the selector switch, the first antenna is used as a transmitting antenna, and the at least two second antennas are used as receiving antennas. And the signal processing module is used for comparing the first antenna with a second antenna with the best performance in the at least two second antennas, and if the performance of the first antenna is lower, the signal processing module controls the selector switch to switch the first antenna into the receiving antenna and switch the second antenna with the best performance into the transmitting antenna. According to the technical scheme, at least two second antennas are used as standby antennas of the transmitting antenna, and when the performance of the first antenna as the transmitting antenna is poor, the second antenna with the best performance can be used as the transmitting antenna, so that the communication performance of the wireless communication device is improved.)

A wireless communications apparatus, comprising: the antenna comprises a signal processing module, a selector switch, a first antenna and at least two second antennas;

the signal processing module is used for transmitting and receiving signals;

the first antenna and the at least two second antennas are connected with the signal processing module through the selector switch, wherein the first antenna is used as a transmitting antenna, and the at least two second antennas are used as receiving antennas;

the signal processing module is further configured to:

comparing the first antenna with a best-performing second antenna of the at least two second antennas,

and if the performance of the first antenna is lower, controlling the change-over switch to change the first antenna into a receiving antenna, and changing the second antenna with the best performance into a transmitting antenna.

The wireless communication apparatus according to claim 1, wherein the signal processing module is configured to determine a best-performing second antenna of the at least two second antennas according to the received signal strengths of the at least two second antennas.

The wireless communication device according to claim 1 or 2, wherein the signal processing module compares the first antenna with a best-performing second antenna of the at least two second antennas by:

comparing the best performing second antenna of the first antenna and the at least two second antennas according to the power of the best performing second antenna of the first antenna and the at least two second antennas.

The wireless communication device according to any of claims 1-3, wherein the at least two second antennas are selected portions of antennas of the wireless communication device.

The wireless communication apparatus of claim 4, wherein the at least two second antennas are antennas with a higher priority in the wireless communication apparatus.

The wireless communication device according to any one of claims 1 to 5, wherein the signal processing module comprises: the system comprises a baseband subsystem and a radio frequency integrated circuit connected with the baseband subsystem;

the baseband subsystem or the radio frequency integrated circuit is configured to compare performances of the at least two second antennas, compare the first antenna with a second antenna with a best performance among the at least two second antennas, and if the performance of the first antenna is low, control the switch to switch the first antenna to a receiving antenna, and switch the second antenna with the best performance to a transmitting antenna.

The wireless communication device of claim 6, wherein the radio frequency transmission channel of the radio frequency integrated circuit is connected to the switch through a transmission circuit;

a radio frequency receiving channel of the radio frequency integrated circuit is connected with the selector switch through a receiving circuit;

the radio frequency receiving circuit is connected with the change-over switch through the receiving circuit.

The wireless communication apparatus of claim 7, wherein the transmit circuit comprises: the radio frequency transmission system comprises a power amplifier connected with the radio frequency transmission channel, and a transmission front end module connected with the power amplifier, wherein the transmission front end module is connected with the selector switch.

The wireless communication apparatus according to claim 7 or 8, wherein the receiving circuit comprises: the low-noise amplifier is connected with the radio frequency receiving channel, and the receiving front-end module is connected with the low-noise amplifier and is connected with the selector switch.

The antenna switching method of the wireless communication device is characterized in that the wireless communication device comprises a first antenna and at least two second antennas, wherein the first antenna is a transmitting antenna, and the at least two second antennas are receiving antennas; the method comprises the following steps:

and comparing the performance of the first antenna with that of the second antenna with the best performance, and if the performance of the first antenna is lower, switching the first antenna into a receiving antenna and switching the second antenna with the best performance into a transmitting antenna.

The antenna switching method according to claim 10, further comprising: and determining the best second antenna in the at least two second antennas according to the received signal strength of the at least two second antennas.

The antenna switching method according to claim 10 or 11, wherein the comparing the first antenna with the second antenna with the best performance of the at least two second antennas comprises:

comparing the best performing second antenna of the first antenna and the at least two second antennas according to the power of the best performing second antenna of the first antenna and the at least two second antennas.

The antenna switching method according to any one of claims 10 to 12, further comprising:

the at least two second antennas are selected portions of antennas of the wireless communication device.

The antenna switching method according to claim 13, wherein the at least two second antennas are antennas with higher priority in the wireless communication device.