Signal interference prevention method of terminal device and the terminal device

Abstract

The invention discloses a signal interference prevention method of a terminal device. The method comprises following steps of monitoring whether there are 2.4G wireless communication signals occupying the frequency points of a 2.4G frequency band or not; when there are 2.4G wireless communication signals, determining first available frequency points according to a signal strength; monitoring whether there are external 2.4 wireless communication signals occupying the first available frequency points or not; when there are the external 2.4 wireless communication signals occupying the first available frequency points, according to the signal strength or the result of carrying out a communication quality test to 2.4G private protocol communication signals through corresponding frequency points, determining second available frequency points; and selecting partial frequency points from the second available frequency points for transmitting 2.4G private protocol data. The invention also discloses a terminal device. According to the method and the terminal device disclosed by the invention, interferences between the 2.4G private protocol communication signals of the terminal device and the other 2.4G wireless communication signals of the terminal device itself are effectively prevented; and the transmission qualities of the 2.4G private protocol communication signals and the other 2.4G wireless communication signals of the terminal device are ensured.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a method for preventing signal interference of a terminal device and the terminal device. Background technique [0002] The frequency band is a kind of scarce resource. When a frequency band is occupied by a signal, there can be no other signals on this frequency band. For example, the GSM license communication frequency band is 900MHz-1800MHz. There can be no other communication signals on this frequency band, only GSM signals. The 2.4G communication frequency band is an unlicensed and free-to-use industrial scientific medical (ISM) frequency band. Many short-distance wireless communication technologies are in this frequency band, such as WiFi, BT, Zigbee, and 2.4G private protocol communication. [0003] Since the 2.4G communication frequency band has the advantages of being license-free, low manufacturing cost, simple and easy to use working methods and data p...

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to solve the technical problem that interference between the 2.4G private protocol signal of the device and other 2.4G wireless communication signals of the device itself cannot be avoided in the prior art

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