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Signal receiving anti-interference method and device, wireless communication equipment and storage medium

An anti-jamming device, a technology for signal reception, applied in error detection/prevention using a signal quality detector, digital transmission systems, electrical components, etc., can solve problems such as a drop in data transmission rate, and the inability of wireless communication equipment to receive useful signals, etc. To achieve the effect of ensuring the data transmission rate

Inactive Publication Date: 2019-08-02
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Problems solved by technology

[0006] Embodiments of the present invention provide a signal reception anti-interference method, device, wireless communication equipment, and storage medium, which can effectively solve the problem in the prior art: the wireless communication equipment cannot receive useful signals due to interference signals being received, resulting in a decrease in data transmission rate The problem

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  • Signal receiving anti-interference method and device, wireless communication equipment and storage medium
  • Signal receiving anti-interference method and device, wireless communication equipment and storage medium

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Embodiment Construction

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] In the embodiment of the present invention, when a prototype with a wireless communication device is in an environment where there are many signals around, the wireless communication device will be interfered by a signal with the same or similar operating frequency as the prototype (such as Bluetooth, Zigbee). , an anti-jamming method for signal reception is proposed in an embodiment of the present invention.

[0042] The signal reception anti-jamming method...

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Abstract

The invention discloses a signal receiving anti-interference method. The method comprises the following steps: receiving a wireless signal; in response to the fact that the energy of the wireless signal exceeds a preset receiving threshold level value, demodulating the wireless signal; updating the number of error packets and the total number of received packets of the wireless signal according toa demodulation result; obtaining the number of error packets and the total number of received packets obtained by updating after a preset time interval, and calculating an error rate according to thenumber of error packets and the total number of received packets; and adjusting the receiving threshold level value according to the bit error rate. The invention further discloses a signal receivinganti-interference device, wireless communication equipment and a storage medium, multiple embodiments are adopted, and the problem that in the prior art, due to the fact that interference signals arereceived, the wireless communication equipment cannot receive useful signals, and the data transmission rate of the wireless communication equipment is reduced is solved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a signal receiving anti-jamming method, device, wireless communication equipment and storage medium. Background technique [0002] The working environment of WLAN wireless devices is relatively complicated. In many cases, there are many interference signals in the surrounding environment. The frequency of the interference signals is the same or similar to the working frequency of the prototype, such as Bluetooth and Zigbee. [0003] WLAN wireless devices identify WLAN frames by looking for a repeated sequence (STF in the 802.11 preamble, short training sequence), such as figure 1 As shown, the short training sequence is 10 identical sequences (t1-t10), which are mainly used for signal identification, AGC (Automatic Gain Control, automatic gain control) adjustment and coarse frequency adjustment. According to the 802.11 protocol, WLAN wireless devices will n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/10H04B1/16H04L1/20
CPCH04B1/1027H04B1/1638H04L1/203H04L1/206
Inventor 张抗抗
Owner TP-LINK
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