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Method and apparatus for randomisation of periodic channel scans

A technology of periodic scanning and wireless communication devices, which is applied in wireless communication, access restriction, network data management, etc., and can solve problems such as conflicts

Inactive Publication Date: 2014-06-04
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the periodic scans of the two wireless devices happen to be synchronized, a problem arises
In this case, two wireless devices simultaneously try to send a response to the probe signal, causing a collision

Method used

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  • Method and apparatus for randomisation of periodic channel scans
  • Method and apparatus for randomisation of periodic channel scans
  • Method and apparatus for randomisation of periodic channel scans

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Embodiment Construction

[0019] The detailed description, set forth below in conjunction with the accompanying drawings, is intended to introduce various configurations of the invention rather than to present only configurations in which the invention may be practiced. The detailed description includes specific details for the purpose of providing a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the present invention may be practiced without such specific details. In some instances, well-known structures and components are shown in block diagram form in order to avoid obscuring the concepts of the present invention.

[0020] Aspects of one or more methods and apparatus are described below. It should be appreciated that the disclosures herein may be implemented in a variety of forms and that any specific structure, function, or combination thereof disclosed herein is merely exemplary. Based on the content disclosed herein, those skilled in the a...

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Abstract

An apparatus and method for wireless communications supports a periodic scan for wireless devices. The periodic scan includes a plurality of scans spaced apart in time. The phase of the periodic scan is changed in response to one of the wireless devices being detected in one of the scans.

Description

technical field [0001] Generally speaking, the present invention relates to wireless communication, and in particular, the present invention relates to various techniques of periodic channel scanning randomization in a wireless communication system. Background technique [0002] Peer-to-peer networks are commonly used to connect wireless devices via ad hoc connections. This type of network differs from the traditional client-server model, where communication is usually accompanied by a central server. A peer-to-peer network has only equal peers that communicate directly with each other. Such networks serve a variety of purposes. For example, a peer-to-peer network can be used as a consumer electronics wire replacement system for short-distance or indoor applications. Such networks are sometimes referred to as Wireless Personal Area Networks (WPANs) and are used to efficiently transfer video, audio, voice, text, and other media between wireless devices in a cluster. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16
CPCH04W48/16H04W8/005
Inventor D·J·朱利安Z·贾
Owner QUALCOMM INC