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A smart antenna selection method and wireless access point

A technology of smart antenna and antenna vibrator, applied in the field of communication, can solve the problem of not considering the problem of interference, maximize the utilization of the air interface and reduce the effect of mutual interference

Active Publication Date: 2019-01-08
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In view of this, the present invention proposes a smart antenna selection method and a wireless access point, which effectively solves the problem that the existing smart antenna selection method only considers maximizing the transmission rate and does not consider the interference problem between APs in the same channel. defect

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  • A smart antenna selection method and wireless access point
  • A smart antenna selection method and wireless access point
  • A smart antenna selection method and wireless access point

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Embodiment Construction

[0024] In a high-density scenario, the distance between the AP and the terminal is actually not far, and the coverage of the AP usually overlaps a lot, and the interference between the AP on the same channel and the neighboring AP is relatively serious. The existing AP smart antenna selection algorithm , only considering the maximum transmission rate, without considering the interference between APs, if no improvement is made, the antenna element combination selected in this way will make the performance between APs in the same channel and neighboring APs poor.

[0025] In the technical solution of the present invention, the AP tests the influence index of the antenna element combination whose number of antenna elements does not exceed the maximum number of transmission chains supported by the AP on the default antenna element combinations of all neighbor APs in the same channel as the AP. The antenna element combination that does not exceed the set threshold is determined to b...

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Abstract

According to an example, an AP may obtain an influence index for each of antenna combinations, and determine antenna combinations whose influence indices are smaller than or equal to a pre-determined threshold to be valid antenna combinations. The antenna combinations may include antennas not more than the maximum number of transmitting links supported by the AP. Each influence index may indicate the influence of an antenna combination on default antenna combinations of neighboring APs operating on the same channel. The AP may adjust the available transmission rates supported by the AP according to the largest number of antennas in the valid antenna combinations. The AP may select a transmission rate from the range for a frame, determine the number of antennas corresponding to the selected transmission rate, and select an antenna combination in which the number of antennas equals the determined number of antennas from the valid antenna combinations for transmitting the frame.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a smart antenna selection method and a wireless access point. Background technique [0002] With the development of wireless local area network (WLAN, Wireless Local Area Networks), its application is more and more extensive, and hotspot areas in life are everywhere, which provides great convenience for people to access the Internet. [0003] However, the more widely WLAN is used, the higher the people's requirements will be. At present, many large-scale scenarios, such as large conference rooms, exhibition halls, entertainment venues, sports competition venues, etc., hope to provide WLAN access for people to participate in while simultaneously connecting to the Internet, showing WYSIWYG Real-time picture, video and other effects. Due to the limited channel of WLAN, the number of wireless access points (AP, Access Point) that can be deployed in a unit area is limited. To...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/04H04W72/04
CPCH04B7/0814H04B17/318H04L1/0002H04W84/12
Inventor 徐国祥张海涛
Owner NEW H3C TECH CO LTD