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Neighbor discovery in a wireless system

A wireless device and wireless network technology, applied in the field of communication, can solve problems such as power consumption and data transmission impact

Inactive Publication Date: 2010-01-06
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, stations spend considerable power scanning for beacons on each channel for a relatively long period of time
In addition, where a station is associated with an access point on a given channel, data transmission between the station and the access point can be adversely affected while the station is scanning on other channels

Method used

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  • Neighbor discovery in a wireless system
  • Neighbor discovery in a wireless system
  • Neighbor discovery in a wireless system

Examples

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Embodiment Construction

[0035] Several aspects of the disclosure are described below. Obviously, the teachings herein may be embodied in a wide variety of forms and any specific structure, function, or both disclosed herein is merely representative. Based on the teachings herein one skilled in the art should appreciate that an aspect disclosed herein can be implemented independently of any other aspects and that two or more of these aspects can be combined in various ways. For example, an apparatus may be implemented or a method performed in any number of ways set forth herein. In addition, such a device may be implemented with one or more of the aspects set forth herein plus other structure, function, or structure and function, or other structure, function, or structure and function in addition to one or more of the aspects set forth herein or implement this method.

[0036] figure 1 An exemplary scheme of a communication system 100 is shown that provides WALN coverage via several neighboring acc...

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PUM

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Abstract

Beacons may be grouped to facilitate neighbor discovery in a wireless network. For example, neighboring access devices such as IEEE 802.11 access points may cooperate to transmit beacons in a group. In this way, a wireless device seeking to discover the neighboring access devices may scan for the beacons for a shorter period of time. An indication may be provided to enable a wireless device to more efficiently scan the beacons. For example, the indication may indicate the channel the wireless device should scan to receive the next beacon that is to be transmitted. In addition, the indication may include information relating to the transmission time of the next beacon.

Description

technical field [0001] The present application relates generally to communications, and to discovering neighboring devices in a wireless system. Background technique [0002] A wireless local area network ("WLAN"), such as an IEEE 802.11-based network, enables wireless devices within the coverage area of ​​the network to communicate with each other and, typically, other devices coupled to another network. For example, an 802.11-based access point may include radio components for communicating with mobile stations within its coverage area, as well as some form of connection to another network (eg, a wide area network such as the Internet). [0003] In some applications, several WLANs can be deployed as adjacent networks to provide a wider common coverage area. For example, in an enterprise deployment, several access points may be spread throughout an institution (eg, a building or campus) such that the coverage areas of adjacent access points overlap to some extent. In this...

Claims

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Application Information

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IPC IPC(8): H04L12/28H04W48/12H04W48/18H04W52/02H04W92/20
CPCH04W52/02H04W92/20H04W52/0216H04W8/005H04W48/12H04W48/18Y02D30/70H04W48/16H04W52/28H04W36/08H04L12/28
Inventor A·梅朗S·亚伯拉罕S·K·苏瑞纳尼S·南达
Owner QUALCOMM INC
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