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System and method for assisted network acquisition and search updates

A network and auxiliary information technology, applied in the direction of network topology, advanced technology, climate sustainability, etc., can solve problems such as long time

Inactive Publication Date: 2013-05-15
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The acquisition process can take significantly longer due to the scan performed by the UE to identify the access point and capture the scrambling code and phase

Method used

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  • System and method for assisted network acquisition and search updates
  • System and method for assisted network acquisition and search updates
  • System and method for assisted network acquisition and search updates

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Embodiment Construction

[0024] The word "exemplary" is used in this application to mean "serving as an example, illustration, or illustration." Any embodiment described in this application as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The techniques described in this application can be used in various wireless communication networks, such as Code Division Multiple Access (CDMA) networks, Time Division Multiple Access (TDMA) networks, Frequency Division Multiple Access (FDMA) networks, Orthogonal Frequency Division Multiplexing ( OFDM) network, single carrier FDMA (SC-FDMA) network, etc. The terms "network" and "system" are often used interchangeably. A CDMA network may implement wireless technologies such as Universal Terrestrial Radio Access (UTRA), cdma2000, and others. UTRA includes wideband CDMA (W-CDMA) and low chip rate (LCR) TD-SCDMA. cdma2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network may implement a wireless technol...

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Abstract

A method and system provide assisted acquisition of a wireless link between user equipment and a femtocell unit. After an initial calibration of timing and / or frequency information, the user equipment enters into a low-power state. The femtocell unit monitors for system updates using a network listen module that sniffs the air interface of one or more neighboring cells. Upon a trigger event, the femtocell unit provides aiding information, for example, timing and / or frequency information corresponding to a change in timing and / or frequency of the air interface, over a second radio, e.g., a wireless personal area network interface. Thus, the user equipment may remain in the low-power state and receive updates with respect to the wireless wide area network interface. Subsequently, upon wake-up, the user equipment may utilize the aiding information, for example, to recalibrate its timing and / or frequency. Thus, acquisition of the wireless link with the femtocell unit may be expedited.

Description

technical field [0001] The present application relates generally to wireless communications, and more particularly, to methods and systems for acquiring wireless communications with femtocell units. Background technique [0002] Wireless communication systems are widely deployed 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 are challenges to realize efficient and robust communication systems with enhanced performance. [0003] In recent years, users have started to replace fixed-line broadband communications with mobile broadband communications, and have increasingly demanded high voice quality, reliable service, and low prices, especially at their home or office locations. [0004] In addition to currently existing mobile phone networks, a new class of small cells has emerged that can be installed in a user's home or office and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/08
CPCH04W88/10H04W84/045H04W48/08Y02D30/70
Inventor S·S·索利曼O·O·阿沃尼伊
Owner QUALCOMM INC
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