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Access control method and access point (AP)

A technology of access control and access controller, which is applied in the field of communication, can solve the problems of increasing network overhead, etc., and achieve the effect of reducing signaling, reducing network overhead, and reducing access delay

Inactive Publication Date: 2011-04-06
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the process of implementing the present invention, the inventor found that the prior art has at least the following disadvantages: Although the access delay of the terminal accessing the AP can be reduced to a certain extent by using this method, it needs to exchange loads between the APs of the WLAN network. information, adding additional network overhead

Method used

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  • Access control method and access point (AP)
  • Access control method and access point (AP)

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0031] In this embodiment, the process of a terminal accessing a WLAN access point (AP: Access Point) includes a network discovery phase, a network selection phase, an authentication and association phase, and a communication phase. among them:

[0032] 1. In the network discovery stage, the terminal scans for APs in all channels. The number of channels varies according to standards and countries. Take China as an example. 802.11b / g works ...

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Abstract

The invention relates to the technical field of communication and discloses an access control method and an access point (AP), wherein the access control method comprises the following steps: acquiring the access state of the AP; if the access state reaches the access control threshold, constructing a first beacon frame, wherein the first beacon frame comprises a first service set identifier information unit, and the length cell of the first service set identifier information unit is filled with 0; and sending the first beacon frame. The invention can be used for reducing the access delay of a terminal accessed to the AP under the condition that the network overhead is not increased.

Description

Technical field [0001] The present invention relates to the field of communication technology, in particular to an access control method and an access point. Background technique [0002] Wireless Fidelity (WiFi: Wireless Fidelity) technology is a broadband wireless LAN wireless transmission technology that supports Internet access because of its mobility, speed, popularity, security, multimedia ease of use and functions. The performance continues to improve and is recognized by communication operators in more and more countries. [0003] In a wireless local area network (WLAN: Wireless Local Area Network), multiple APs are included, and coverage between APs is crossed to a certain extent, and in consideration of interference reduction, different channels should be used between adjacent APs as much as possible. This makes it possible for the terminal to discover multiple different APs when scanning during the network discovery phase. The process of a terminal accessing a WLAN acc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/08H04W48/16H04W84/12H04W88/08
Inventor 田永刚刘国平胡建如吴佳林周元
Owner HUAWEI TECH CO LTD
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