Method for inhibiting Bluetooth interference in WIFI (wireless fidelity) communication

A Bluetooth and mechanism technology, applied in WIFI communication technology to suppress Bluetooth interference in WIFI communication, can solve the problem of high WIFI sensitivity requirements, and achieve the effect of improving reception rate, ensuring stability, and avoiding collisions

Inactive Publication Date: 2014-04-02
NANJING PANDA ELECTRONICS MFG
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Problems solved by technology

[0006] The purpose of the present invention is to invent a new method for suppressing Bluetooth interference in WIFI communication in view of the problem that the existing

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  • Method for inhibiting Bluetooth interference in WIFI (wireless fidelity) communication
  • Method for inhibiting Bluetooth interference in WIFI (wireless fidelity) communication
  • Method for inhibiting Bluetooth interference in WIFI (wireless fidelity) communication

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[0022] The present invention will be further described below in conjunction with the drawings and embodiments.

[0023] Such as Figure 1-5 Shown.

[0024] A method to suppress Bluetooth interference in WIFI communication. The main method is that the Bluetooth signal detects the WIFI signal and performs the micro-network node fallback. At the same time, the WIFI data packet is dynamically divided to reduce the probability of collision between the WIFI packet data and the Bluetooth data packet , So as to suppress the interference of Bluetooth signals and ensure the quality of WIFI signal transmission. The specific implementation steps include:

[0025] (1) Set the working mode of WIFI, CCA works in mode 0 of mode energy detection.

[0026] First modify the sending mechanism of the WiFi CTS frame. Since the RTS / CTS mechanism is to solve the hidden terminal problem in the WiFi protocol, when the receiving end does not receive the RTS / CTS signal from other WiFi nodes, such as imag...

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Abstract

The invention provides a method for inhibiting Bluetooth interference in WIFI (wireless fidelity) communication. The method is characterized in that an RTS/CTS mechanism in an 802.11 protocol is modified, and in addition, a self-adaptive packet selection mechanism is adopted, so a Bluetooth micro network node senses the existence of the WIFI communication and carries out back return, meanwhile, a WIFI data packet is dynamically divided so that the WIFI obtains better transmission performance under the Bluetooth interference. The method provided by the invention has the advantages that the receiving rate of the WIFI data packet under the Bluetooth interference can be improved, and in addition, the collision probability (the time overlapping and the frequency overlapping) between the WIFI data packet and a Bluetooth data packet can be reduced, so the method can be preferably applicable to the WIFI communication under the complicated signal interference.

Description

technical field [0001] The invention relates to a wireless communication technology, in particular to a WIFI communication technology, in particular to a method for suppressing bluetooth interference in WIFI communication. Background technique [0002] At present, WIFI, as the mainstream technology of WLAN, has developed rapidly in recent years, and the official promulgation of IEEE802.15.1 standard based on Bluetooth specification 1.1 has also laid a foundation for the market launch of Bluetooth technology. Both WIFI and Bluetooth technologies have their own emphasis. WIFI focuses on realizing the function of wireless Ethernet, supports multi-point network, can transmit multicast, broadcast, and unicast packets, the transmission speed can reach 11Mbit / s, the coverage range is about 100m, and it can maintain a relatively long-lasting access time. Bluetooth focuses on cable replacement. With its low cost, low power consumption, light weight, and easy networking, it is more s...

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Application Information

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IPC IPC(8): H04W74/08
Inventor 周贵祥魏伟文博肖可刘强
Owner NANJING PANDA ELECTRONICS MFG
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