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A method, device and system for acquiring application information in WLAN

A technology for applying information and obtaining requests, which is applied in the field of communication, and can solve problems such as the inability to locate the mobile terminal, the inability of the location server to locate the mobile terminal, and the failure to obtain the mobile terminal.

Active Publication Date: 2017-10-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, these neighboring APs cannot receive the signal of the mobile terminal, and thus cannot obtain the RSSI of the mobile terminal. Therefore, it cannot be guaranteed that the positioning server receives the RSSI of the mobile terminal reported by enough APs, so that the positioning server cannot locate the mobile terminal. terminal
In the prior art, the mobile terminal switches channels and sends messages on different channels, so that the neighbor AP associated with the AP can receive the signal of the mobile terminal, thereby ensuring that the positioning server receives the RSSI of the mobile terminal reported by enough APs; and In general, not all mobile terminals support channel switching, and the mobile terminal must be improved to use this method for positioning, so it is impossible to locate any mobile terminal

Method used

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  • A method, device and system for acquiring application information in WLAN
  • A method, device and system for acquiring application information in WLAN
  • A method, device and system for acquiring application information in WLAN

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Embodiment Construction

[0053] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0054] For the convenience of description, in the following embodiments, an AP that is adjacent to an associated AP and works on a different channel is defined as a non-associated neighbor AP; Figure 14 as shown, Figure 14 Each hexagon in represents an AP in a different-channel network. The associated AP works on channel 1, and the surrounding APs marked as channel 6 and channel 11 are non-associated neighbor APs. Correspondingly, a non-associated non-neigh...

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Abstract

Embodiments of the present invention provide a method, device, and system for acquiring application information in a WLAN, which relate to the field of communication, so as to acquire application information of any mobile terminal in a WLAN. The method includes: the controller sends a handover request message to an unassociated neighbor AP, wherein the handover request message includes the identification of the mobile terminal and a designated channel, so that the unassociated neighbor AP is switched from the original working channel of the unassociated neighbor AP to the mobile terminal. A channel is designated, and the mobile terminal is monitored according to the identification of the mobile terminal to acquire application information. The embodiments of the present invention are used for acquiring application information in a WLAN.

Description

technical field [0001] The present invention relates to the communication field, and in particular to a method, device and system for acquiring application information in wireless local area networks (WLAN for short). Background technique [0002] Location-based services enrich people's work and life by quickly and accurately obtaining the location information of mobile terminals, which mainly include navigation, asset tracking, and medical care. Among them, the WLAN positioning technology is one of the widely used positioning technologies. This technology receives signals from mobile terminals through multiple access points (AP for short), and obtains received signal strength indicators (Received Signal Strength Identification, short for short) respectively. RSSI), and report the acquired RSSI to the positioning server, so that the positioning server can obtain the position information of the mobile terminal according to the RSSI reported by multiple APs. [0003] Usually,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W4/12H04W84/12H04W4/20H04W4/029H04W4/50
CPCH04W4/50H04W4/023H04W4/20H04W36/08H04W4/029
Inventor 彭敏王云贵庄艳
Owner HUAWEI TECH CO LTD