Method, device and system for finding out wireless access point

A wireless access point and access controller technology, applied in the field of communication, can solve problems such as waste of power supply time, failure to search for available APs, unsatisfactory effect of AP shunting data services of macro base stations, etc., to achieve the goal of reducing power and time Waste, the effect of improving resource utilization

Inactive Publication Date: 2012-04-18
HUAWEI TECH CO LTD
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Problems solved by technology

When using this method to obtain available AP information, the STA needs to turn on the Wi-Fi module, and then scan each frequency point one by one. At some frequency points, it may not be able to find available APs. Therefore, there is a certain blindness in the existing technology, which will cause power failure. and waste of time, and it is difficult for users to know whether there is an available AP nearby and when to turn on the Wi-Fi module, which will lead to an unsatisfactory effect of AP offloading data services of macro base stations

Method used

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  • Method, device and system for finding out wireless access point
  • Method, device and system for finding out wireless access point
  • Method, device and system for finding out wireless access point

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Embodiment Construction

[0035] In order to express the object, technical solution and advantages of the present invention more clearly, the technical solution provided by the present invention will be described in detail below in conjunction with specific embodiments and drawings.

[0036] Such as figure 1 As shown, in the wireless local area network WLAN, the base station BS is managed by the base station controller BSC, where the base station controller refers to different devices in different communication networks, and may be a base station controller BSC, a radio network controller RNC, a baseband processing unit BBU, etc. There are multiple wireless access points AP in the cell where a BS is located. Multiple APs are connected to the switch Switch and managed by the access controller AC. The mobile terminal STA accesses the wireless local area network WLAN through the AP. The embodiment of the present invention provides a method for discovering a wireless access point, which can enable a mobile...

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Abstract

The embodiment of the invention provides a method, device and system for finding out a wireless access point, aiming to achieve the purposes of rapidly finding out an available access point and saving the electric quantity for a mobile terminal STA (station). In the method, a base station controller (BSC) receivers a request message sent by the mobile terminal STA, acquires one or more AP (Access Point) information nearby the STA from an access controller (AC), and sends a notice message to the STA so as to make the STA actively scan and find out the corresponding AP based on a service set identifier (SSID).

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, device and system for discovering wireless access points. Background technique [0002] With the gradual application and construction of 3G mobile network and even 4G mobile network technology, the bandwidth and speed of the existing network are already facing great pressure. The use of Wi-Fi (Wireless Fidelity, Wireless Fidelity) network to realize the offloading of PS data services and reduce the congestion of cellular data networks is being generally recognized by operators in various countries, and has entered a period of rapid advancement. Wi-Fi technology is a wireless local area network WLAN technology that can connect personal computers, handheld devices, such as notebook computers, mobile phones and other terminals to each other in a wireless manner, and can provide users with wireless broadband Internet access. The area where the user can acces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16
CPCH04W48/16H04W72/0433Y02B60/50H04W48/08H04W48/10H04W48/14H04W72/29
Inventor 赵其勇马新友
Owner HUAWEI TECH CO LTD
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