Femto cell synchronization and pilot search methodology

A femtocell and femto technology, applied in the field of pilot search technology

Inactive Publication Date: 2010-10-06
QUALCOMM INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

With the rapidly growing demand for high-rate and multimedia data services, there is a challenge to realize efficient and robust communication systems with enhanced performance

Method used

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  • Femto cell synchronization and pilot search methodology
  • Femto cell synchronization and pilot search methodology
  • Femto cell synchronization and pilot search methodology

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Embodiment Construction

[0022] The word "exemplary" is used herein to mean "serving as an example, illustration, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The techniques described herein 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 FDMA (OFDMA) networks, single Carrier FDMA (SC-FDMA) networks and more. The terms "network" and "system" are often used interchangeably. A CDMA network may implement a radio technology such as Universal Terrestrial Radio Access (UTRA), cdma2000, and so on. UTRA includes Wideband-CDMA (W-CDMA) and Low Chip Rate (LCR). cdma2000 covers IS-2000, IS-95 and IS-856 standards. A TDMA network can implement a radio technology such as Global System for Mobile Communications (GSM). An OFDMA network...

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Abstract

A system, a method and computer product for synchronizing of a femto cell with a macro cell, the method comprising: placing a forward link receiver into the femto cell; receiving by a micro cellular network the femto cell transmission timing; and synchronizing the femto cell transmission timing with the macro cellular network transmission timing in reliance on the forward link receiver signal. Further, a system, a method and computer product for allocating pilot phases to femto cells, the method comprising: creating at least as many new potential pilot phases for femto cells as there are for macro cells; and allowing a mobile device on a macro cell to search and find a femto cell pilot without explicitly listing femto pilot phases in the neighbor list.

Description

[0001] Claiming priority under 35 U.S.C. §119 [0002] This application for patent claims priority to Provisional Application No. 60 / 979,797, filed October 12, 2007, entitled "FEMTO CELLSYNCHRONIZATION AND PILOT SEARCH METHODOLOGY," which is assigned to the assignee of this application and issued by This is expressly incorporated herein by reference. technical field [0003] The present invention relates generally to wireless communications, and more particularly, to methods and systems for enabling synchronization of access point base stations or femtocells and pilot search techniques. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communications (eg, voice, data, multimedia services, etc.) to multiple users. With the rapidly growing demand for high-rate and multimedia data services, there is a challenge to realize efficient and robust communication systems with enhanced performance. [0005] In recent years, u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04W16/00H04W36/08H04W36/04
CPCH04W16/32H04B7/269H04W56/004H04W56/001H04W56/00H04W36/04
Inventor A·M·戈吉奇
Owner QUALCOMM INC
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