Selection method for wireless LAN communication channel
A wireless local area network and communication channel technology, which is applied in the field of wireless local area network communication channel selection, can solve problems such as busyness, poor transmission of information packets, and interference, and achieve the effect of improving network transmission quality
Inactive Publication Date: 2008-06-04
LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD
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Problems solved by technology
[0010] The above-mentioned 802.11 wireless LAN channel is a channel that anyone can use, so interference may occur due to many reasons. In order to make the system work stably, it is necessary to develop a technology to deal with this interference problem
[0011] In particular, in the case of a large number of wireless LAN access points or wireless LAN cards, data communication between systems will cause poor packet transmission due to many wireless packet collisions and busy transmission channels.
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[0026] The method for selecting the communication channel of the wireless local area network of the present invention will be described in detail below with reference to the accompanying drawings.
[0027] figure 1 It is an integrated diagram of the system configuration of the selection method of the present invention. Here, 100 and 110 denote first and second devices that perform wireless data communication with each other. Taking the wireless TV receiver as an example, the first device 100 is a sending box, which is used to encode the received TV broadcast signal into an MPEG signal or an audio-visual file in a certain format, and then transmit it wirelessly. The above-mentioned second device 110 is a receiving box. The letter box is used for decoding the received MPEG or audio-visual files in a certain format sent by the first device 100 and then processing them so that users can watch them.
[0028] Above-mentioned 1st and 2nd equipment 100,110 comprise respectively: con...
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The invention provides a method for selecting a communication channel of wireless local area network. When the transmission amount of the system information packet is smaller than the preset reference value, promiscuous mode of the wireless local area network is used for measuring the amount of the dumb element information packet of each channel and the channel with the smallest communication amount is selected. The control division finds the transmission amount of the system information packet transmitted by the channel which is selected by the wireless local area network and calculates the average value. When the average value decreases below the preset reference value, the control division sets the communication mode of the wireless local area network as the promiscuous mode and measures the amount of the dumb element information packet of each channel. The channel with the smallest amount of the dumb element information packet in the measured results is selected as the channel to transmit information packets of wireless local area network. The system information packets can be transmitted stably and smoothly through the local area network, so the service quality of the wireless local area network is improved. Besides, sensitivity to instant changes of the transmission amount is reduced, the amount of the actual dumb element information packet of each channel can be measured correctly and the condition of the communication amount of each channel can be mastered accurately.
Description
technical field [0001] The present invention relates to a method for selecting a wireless local area network communication channel for automatic selection of a wireless local area network communication channel by systems such as wireless television receivers that communicate with each other using a wireless local area network. In particular, it relates to a method for selecting a wireless LAN communication channel by measuring the amount of dummy packets in each channel using a promiscuous mode of a wireless LAN, and selecting a channel with the least amount of dummy packets in the measurement result. Background technique [0002] With the development of communication technology, people have developed a wireless local area network for short-distance and fast data communication. Furthermore, various systems for performing data communication using the above-mentioned wireless LAN are being developed. For example, wireless television receivers that are suitable for wireless lo...
Claims
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Login to View More IPC IPC(8): H04L12/28H04L12/26H04N5/76H04N5/44H04N7/173H04N17/00
Inventor 李在昱
Owner LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD