HK1093819A1 - Using information on relative velocity between mobile and base station to improve signal acquisition and tracking - Google Patents

Using information on relative velocity between mobile and base station to improve signal acquisition and tracking

Info

Publication number
HK1093819A1
HK1093819A1 HK06112517.3A HK06112517A HK1093819A1 HK 1093819 A1 HK1093819 A1 HK 1093819A1 HK 06112517 A HK06112517 A HK 06112517A HK 1093819 A1 HK1093819 A1 HK 1093819A1
Authority
HK
Hong Kong
Prior art keywords
information
base station
tracking
mobile
signal acquisition
Prior art date
Application number
HK06112517.3A
Other languages
English (en)
Inventor
Andrew Sendonaris
Da-Shan Shiu
David M Patterson
Parvathanathan Subrahmanya
Daisuke Terasawa
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1093819A1 publication Critical patent/HK1093819A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
HK06112517.3A 2002-08-30 2006-11-14 Using information on relative velocity between mobile and base station to improve signal acquisition and tracking HK1093819A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40741002P 2002-08-30 2002-08-30
US10/650,270 US7420947B2 (en) 2002-08-30 2003-08-28 Communication system performance using position location information

Publications (1)

Publication Number Publication Date
HK1093819A1 true HK1093819A1 (en) 2007-03-09

Family

ID=31981507

Family Applications (2)

Application Number Title Priority Date Filing Date
HK05112178.4A HK1079917A1 (zh) 2002-08-30 2005-12-30 使用定位信息的移動通信系統
HK06112517.3A HK1093819A1 (en) 2002-08-30 2006-11-14 Using information on relative velocity between mobile and base station to improve signal acquisition and tracking

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK05112178.4A HK1079917A1 (zh) 2002-08-30 2005-12-30 使用定位信息的移動通信系統

Country Status (14)

Country Link
US (1) US7420947B2 (xx)
EP (1) EP1535398B1 (xx)
JP (1) JP2005537726A (xx)
KR (1) KR20050032617A (xx)
CN (1) CN1679253A (xx)
AT (2) ATE413021T1 (xx)
AU (1) AU2003263018A1 (xx)
BR (1) BR0313837A (xx)
DE (2) DE60326284D1 (xx)
HK (2) HK1079917A1 (xx)
IL (1) IL166644A (xx)
MX (1) MXPA05002233A (xx)
RU (1) RU2005108988A (xx)
WO (1) WO2004021585A2 (xx)

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JP2006101308A (ja) * 2004-09-30 2006-04-13 Fujitsu Ltd 無線基地局装置及びパスサーチ方法
US8099466B2 (en) * 2004-10-05 2012-01-17 Reach Unlimited Corp. System and method for vote-based, interest specific collaboration regarding location of objects
US7535950B2 (en) * 2004-12-15 2009-05-19 Georgia Tech Research Corp. Blind selected mapping techniques for crest factor reduction of forward link CDMA signals
US20060180043A1 (en) * 2005-01-28 2006-08-17 Plexus Scientific Corporation System and method for remediation of explosive contamination using convective heat
EP1868304B1 (en) 2005-03-31 2014-03-05 NEC Corporation Mobile radio terminal and its moving speed detection method
CN100421526C (zh) * 2005-12-20 2008-09-24 华为技术有限公司 用户终端上报位置信息的方法
CN101123760B (zh) * 2006-08-11 2010-04-21 中兴通讯股份有限公司 数字集群通信系统传统组呼三角定位的实现方法
US7551895B1 (en) * 2006-09-01 2009-06-23 Rockwell Collins, Inc. Progressive directional routing protocol for directional mode ad hoc networks
US20100312787A1 (en) * 2006-11-04 2010-12-09 Nokia Corporation Control of Search Scope
US20080227469A1 (en) * 2007-03-13 2008-09-18 David Burgess GSM Network-Based Timing Advance Positioning
US8520659B2 (en) * 2007-12-18 2013-08-27 Airvana Llc Absolute time recovery
US8379625B2 (en) * 2007-12-18 2013-02-19 Airvana Llc Obtaining time information in a cellular network
US8467365B1 (en) 2008-01-24 2013-06-18 Sprint Spectrum L.P. Method and system for defining search windows based on mobile station location
US8055273B1 (en) * 2008-02-07 2011-11-08 Sprint Spectrum L.P. Method and system for defining a search window based on a mobile station's direction of motion and speed
GB0805787D0 (en) * 2008-03-31 2008-04-30 Roke Manor Research A multilateration method and apparatus
US8364174B2 (en) * 2008-05-09 2013-01-29 Qualcomm Incorporated System and method for ran assisted location update
US8165150B2 (en) * 2008-12-17 2012-04-24 Avaya Inc. Method and system for wireless LAN-based indoor position location
DE102008063301B4 (de) * 2008-12-29 2012-10-31 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren zur Synchronisation eines Empfängers auf einen Sender in einem digitalen Funknetzwerk
TWI390890B (zh) * 2009-04-15 2013-03-21 Realtek Semiconductor Corp 頻偏取得的方法及其相關裝置
US8843181B2 (en) * 2009-05-27 2014-09-23 Qualcomm Incorporated Sensor uses in communication systems
US8270969B1 (en) * 2010-03-24 2012-09-18 Sprint Spectrum L.P. Systems and methods for adjusting an access search window based on movement
US8879605B1 (en) 2012-04-02 2014-11-04 Sprint Spectrum L.P. Mobile station time reference that is adjusted based on propagation delay
US9002359B1 (en) 2012-04-12 2015-04-07 Sprint Spectrum L.P. Method and system for intelligent determination of pseudonoise (PN) offsets
US9380519B2 (en) 2013-03-13 2016-06-28 Qualcomm Incorporated Using motion to improve local wireless network connectivity
US9380520B2 (en) 2013-03-13 2016-06-28 Qualcomm Incorporated Using motion to improve local wireless network connectivity
JP6099459B2 (ja) * 2013-03-29 2017-03-22 三菱電機株式会社 通信システム、基地局、端末および基地局省電力制御方法
EP3488265A1 (en) * 2016-07-22 2019-05-29 U-blox AG Global navigation satellite system (gnss) signal tracking

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
US5805648A (en) * 1995-07-31 1998-09-08 Qualcomm Incorporated Method and apparatus for performing search acquisition in a CDMA communication system
KR100249045B1 (ko) * 1997-12-29 2000-03-15 김영환 기지국의 탐색창크기 조절방법
KR100277761B1 (ko) * 1998-06-25 2001-01-15 윤종용 셀룰러 시스템에서 이동 단말기의 탐색 범위설정 방법
US6188354B1 (en) * 1999-03-29 2001-02-13 Qualcomm Incorporated Method and apparatus for determining the location of a remote station in a CDMA communication network
MXPA02000661A (es) 1999-07-20 2002-08-30 Qualcomm Inc Metodo para determinar un cambio en una senal de comunicacion y mejorar la recepcion y procesamiento de la senal sps utilizando esta informacion.
US6542743B1 (en) 1999-08-31 2003-04-01 Qualcomm, Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information
US6614808B1 (en) 1999-09-02 2003-09-02 International Business Machines Corporation Network packet aggregation
US6191738B1 (en) * 1999-09-30 2001-02-20 Motorola, Inc. Method and apparatus for locating a remote unit within a communication system
JP2001127692A (ja) 1999-10-29 2001-05-11 Sony Corp 受信装置及び受信処理方法
US6775252B1 (en) 2000-03-31 2004-08-10 Qualcomm, Inc. Dynamic adjustment of search window size in response to signal strength
GB0026982D0 (en) * 2000-11-04 2000-12-20 Koninkl Philips Electronics Nv Spread spectrum receiver and related method

Also Published As

Publication number Publication date
DE60324434D1 (de) 2008-12-11
EP1535398A2 (en) 2005-06-01
JP2005537726A (ja) 2005-12-08
US20040131032A1 (en) 2004-07-08
IL166644A (en) 2010-06-30
ATE413021T1 (de) 2008-11-15
ATE423410T1 (de) 2009-03-15
RU2005108988A (ru) 2006-02-27
CN1679253A (zh) 2005-10-05
EP1535398B1 (en) 2008-10-29
IL166644A0 (en) 2006-01-15
US7420947B2 (en) 2008-09-02
AU2003263018A8 (en) 2004-03-19
WO2004021585A3 (en) 2004-06-03
MXPA05002233A (es) 2005-07-05
AU2003263018A1 (en) 2004-03-19
WO2004021585A2 (en) 2004-03-11
BR0313837A (pt) 2005-06-21
DE60326284D1 (de) 2009-04-02
KR20050032617A (ko) 2005-04-07
HK1079917A1 (zh) 2006-04-13

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120829