Method and system for automatically distributing wireless communication channels

An automatic allocation and wireless communication technology, applied in wireless communication, electrical components, network topology, etc., can solve problems such as the inability to meet the timeliness of immediate channel switching, the long allocation process time, and the inability to accurately reflect channel quality.

Active Publication Date: 2013-08-07
COMBA TELECOM SYST CHINA LTD
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Problems solved by technology

When channel scanning is performed in a WLAN network, the channel measurement sample value obtained by the scanning must reflect the channel quality accurately and in a timely manner. Therefore, event-triggered scanning is usually used, that is, channel allocation needs to be re-assigned. However, after channel allocation is performed after measurement at this time, the entire allocation process

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  • Method and system for automatically distributing wireless communication channels
  • Method and system for automatically distributing wireless communication channels
  • Method and system for automatically distributing wireless communication channels

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specific Embodiment

[0067] The current infrastructure mode of WLAN is mainly divided into AC+thin AP architecture networking and fat AP independent networking. Among them, under the AC+thin AP architecture, the channel measurement sample value of the channel status value of each effective channel measured by the AP is reported to the AC in the measurement report, and the AC performs the automatic channel allocation operation of each AP and sends relevant parameters to the AP; while the fat Under the AP network architecture, each AP performs channel automatic allocation operation according to the channel measurement sample value of the channel status value of each effective channel. In this specific embodiment, the channel of the AP in the WLAN network architecture under the AC+thin AP mode is mainly Automatic allocation is described, but does not constitute a limitation of the present invention.

[0068] The AC will obtain a measurement report reported by an AP in each measurement period, and for...

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Abstract

The invention discloses a method and a system for automatically distributing wireless communication channels. The method comprises the following steps of: periodically measuring the channel condition of each effective channel corresponding to an AP (Access Point) to obtain channel measurement sample values of each effective channel; updating a channel quality evaluation sheet corresponding to each effective channel by adopting the channel measurement sample values in a plurality of measurement periods; monitoring a trigger signal, wherein the trigger signal comprises a periodical judgment request; and judging whether channel selection is required again according to the channel quality evaluation sheet corresponding to the current work channel of the AP when the judgment request is monitored; if so, selecting a target channel according to the channel measurement sample values of each effective channel; and switching the current work channel of the AP to the target channel. The method and the system can effectively improve the accuracy of channel quality judgment and shorten the execution time of channel distribution, so that the time validity is improved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a method and system for automatically allocating wireless communication channels. Background technique [0002] In the current mobile communication system, channel allocation algorithms are mainly divided into three categories: fixed channel allocation, dynamic channel allocation and random channel allocation. However, unlike mobile communication networks, the number of effective channels of WLAN (Wireless Local Area Network) is limited, and channels are very scarce resources. For example, only three effective channels are available for 802.11b / g / n, and each wireless access Point AP (Access Point) can only have one working channel, that is, it works on a specified very limited bandwidth channel, and as far as possible to ensure that it does not overlap with other channels in use, and all workstations STA (Station) associated with the AP ) shares the channel with the AP in a...

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Application Information

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IPC IPC(8): H04W72/08H04W84/12
Inventor 李俊王宁
Owner COMBA TELECOM SYST CHINA LTD
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