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Method and apparatus for defining a search window based on distance between access points

An access point and search window technology, applied in the field of defining search windows, can solve the problems of shortening the battery life of mobile units, etc.

Inactive Publication Date: 2010-12-08
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, performing such a large number of searches can shorten the battery life of the mobile unit (eg, thereby reducing standby time)

Method used

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  • Method and apparatus for defining a search window based on distance between access points
  • Method and apparatus for defining a search window based on distance between access points
  • Method and apparatus for defining a search window based on distance between access points

Examples

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Embodiment Construction

[0022] Various aspects of the invention are described below. It should be understood that the disclosure herein can be embodied in a variety of forms and that any specific structure, function, or both structure and function disclosed herein are illustrative only. Based on the disclosure herein one skilled in the art should appreciate that an aspect disclosed herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented or a method may be implemented using any number of the aspects set forth herein. In addition, such an apparatus may be implemented or such a method may be practiced using other structures, functions, or structures and functions in addition to or different from one or more aspects set forth herein. Furthermore, an aspect may comprise at least one claim.

[0023] figure 1 Several nodes (eg, portions of a communication network) of an exemplary commu...

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PUM

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Abstract

An access terminal defines a search window based on a distance between access points. Here, a first one of the access points may comprise a macro access point from which the access terminal acquires timing. The search window may be used to monitor for pilot signals from a second one of the access points. For example, the second access point may comprise a femto node that provides relatively small area coverage. In some aspects the definition of the search window may involve adjusting (e.g., advancing) a center of a search window based on the distance between the access points. In addition, the access terminal may employ a smaller search window when it is searching for pilot signals from a femto node as compared to when it is searching for pilot signals from a macro access point.

Description

[0001] Claiming Priority Based on 35 U.S.C.§.119 [0002] This patent application claims priority to US Provisional Patent Application No. 60 / 986,953, filed November 9, 2007, assigned Attorney Docket No. 080218P1, the disclosure of which is incorporated herein by reference. technical field [0003] In general, this application relates to wireless communications, and in particular, but not by way of limitation, this application relates to defining search windows. Background technique [0004] Wireless communication systems are widely deployed in order to provide various types of communications (eg, voice, data, multimedia services, etc.) to multiple users. With the rapidly increasing demand for high-speed and multimedia data services, there is the challenge of realizing efficient and robust communication systems with improved performance. [0005] To supplement conventional mobile phone network base stations (eg, macro cells), small-coverage base stations can be deployed (eg...

Claims

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Application Information

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IPC IPC(8): H04B7/26H04W56/00
CPCH04W56/0085H04J11/0086
Inventor A·M·戈吉奇
Owner QUALCOMM INC
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