Wireless bandwidth selecting method and system based on WLAN wireless bandwidth assessment

A technology for wireless bandwidth and system selection, applied in wireless communication, electrical components, etc., can solve the problems of unstable wireless network, wireless data packets preempting wireless bandwidth, and high wireless interference, so as to ensure the quality of wireless communication and automatic switching process. Fast and ensure the effect of high-speed transmission

Inactive Publication Date: 2014-06-25
PHICOMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a wireless bandwidth selection method and system based on WLAN wireless bandwidth evaluation, which is used to solve the problems in the prior art when the existing wireless netwo

Method used

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  • Wireless bandwidth selecting method and system based on WLAN wireless bandwidth assessment
  • Wireless bandwidth selecting method and system based on WLAN wireless bandwidth assessment

Examples

Experimental program
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Embodiment 1

[0043] This embodiment provides a wireless bandwidth selection method based on WLAN wireless bandwidth evaluation. The method is applied to a wireless communication network composed of a main wireless access point and other wireless access points. The main wireless access point is preset with a second A channel bandwidth, a second channel bandwidth, a first threshold number of wireless access points, a second threshold number of wireless access points, and pre-configured radio frequency power; the other wireless access points include the first working frequency band and the second A wireless access point with a working frequency band, and the other wireless access points are pre-configured with radio frequency power. see figure 1 , is shown as a wireless bandwidth selection method flow based on WLAN wireless bandwidth evaluation. In this embodiment, the main wireless access point may be a wireless router, and other wireless access points may be smart mobile terminals. The wir...

Embodiment 2

[0055] This embodiment provides a wireless bandwidth selection system based on WLAN wireless bandwidth evaluation, please refer to figure 2 ,shown as

[0056] The principle structure of a wireless bandwidth selection system based on WLAN wireless bandwidth evaluation, the wireless bandwidth selection system 1 includes: a main wireless access point 11, other wireless access points, and a mobile terminal (not shown).

[0057] The master wireless access point 11 is pre-configured with a first channel bandwidth, a second channel bandwidth, a first threshold number of wireless access points, a second threshold number of wireless access points, and radio frequency power; and

[0058] The other wireless access points include a wireless access point 12 with a first working frequency band and a wireless access point 13 with a second working frequency band.

[0059] The main wireless access point 11 is used to scan other wireless access points that output the wireless signal according...

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Abstract

The invention provides a wireless bandwidth selecting method based on WLAN wireless bandwidth assessment. The wireless bandwidth selecting method based on WLAN wireless bandwidth assessment includes the steps that wireless access points of wireless signals are scanned and output within a preset time period; the number of the wireless access points with the first working frequency band and the wireless access points with the second working frequency band is counted; the intensity of the wireless signals output from other wireless access points around the main wireless access point is detected; a first channel bandwidth or a second channel bandwidth is automatically selected according to the number of the wireless access points with the first working frequency band and the wireless access points with the second working frequency band, and the intensity of the wireless signals output from the wireless access points, with the first working frequency band and the second working frequency band, around the main wireless access point. The optimal bandwidth can be selected automatically according to changes of surrounding wireless network environment; when surrounding wireless interference is strong, the bandwidth is automatically converted to be 40 MHz, and high-rate transmission is guaranteed; when surrounding wireless interference is weak, the bandwidth is automatically converted to be 20 MHz, and the basic wireless communication quality is guaranteed.

Description

technical field [0001] The invention belongs to the field of wireless communication, and relates to a wireless bandwidth selection method and system, in particular to a wireless bandwidth selection method and system based on WLAN wireless bandwidth evaluation. Background technique [0002] The wireless bandwidth is mainly divided into two types: 20MHZ and 40MHZ. 802.11n supports 20MHz and 20MHZ / 40MHz channels. The bandwidth of 20MHZ was used in the previous standard, and the bandwidth of 20 / 40MHZ is adopted in 802.11n. The available channel bandwidth provided by the 40MHz channel is more than twice that of the two 802.11 legacy channels. The 802.11n standard supports 20MHz and 40MHz channels, of which The 40MHz channel will be the widest channel, consisting of two adjacent, legacy 20MHz spectrum channels; of course, only 20MHz channels can be used, this is determined by the specific situation. The signal penetration of 20mhz is strong, but it may cause the download speed t...

Claims

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Application Information

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IPC IPC(8): H04W36/06
Inventor 王佳
Owner PHICOMM (SHANGHAI) CO LTD
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