HK1060681A1 - Method and apparatus for measuring timing of signals received from multiple base stations in a cdma communication system - Google Patents

Method and apparatus for measuring timing of signals received from multiple base stations in a cdma communication system

Info

Publication number
HK1060681A1
HK1060681A1 HK04103467A HK04103467A HK1060681A1 HK 1060681 A1 HK1060681 A1 HK 1060681A1 HK 04103467 A HK04103467 A HK 04103467A HK 04103467 A HK04103467 A HK 04103467A HK 1060681 A1 HK1060681 A1 HK 1060681A1
Authority
HK
Hong Kong
Prior art keywords
base stations
communication system
signals received
multiple base
cdma communication
Prior art date
Application number
HK04103467A
Other languages
English (en)
Inventor
Francesco Grilli
Serge Willenegger
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 HK1060681A1 publication Critical patent/HK1060681A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70702—Intercell-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HK04103467A 2000-10-11 2004-05-17 Method and apparatus for measuring timing of signals received from multiple base stations in a cdma communication system HK1060681A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/689,265 US6697629B1 (en) 2000-10-11 2000-10-11 Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
PCT/US2001/042573 WO2002032184A2 (en) 2000-10-11 2001-10-06 Method and apparatus for measuring timing of signals received from multiple base stations in a cdma communication system

Publications (1)

Publication Number Publication Date
HK1060681A1 true HK1060681A1 (en) 2004-08-13

Family

ID=24767712

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04103467A HK1060681A1 (en) 2000-10-11 2004-05-17 Method and apparatus for measuring timing of signals received from multiple base stations in a cdma communication system

Country Status (12)

Country Link
US (3) US6697629B1 (zh)
EP (1) EP1338165B1 (zh)
JP (1) JP3939650B2 (zh)
KR (1) KR100847008B1 (zh)
CN (1) CN1218608C (zh)
AT (1) ATE332068T1 (zh)
AU (1) AU2002213453A1 (zh)
BR (1) BR0114556A (zh)
DE (1) DE60121211T2 (zh)
HK (1) HK1060681A1 (zh)
TW (1) TW546970B (zh)
WO (1) WO2002032184A2 (zh)

Families Citing this family (131)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US7904187B2 (en) 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method
US7018401B1 (en) * 1999-02-01 2006-03-28 Board Of Regents, The University Of Texas System Woven intravascular devices and methods for making the same and apparatus for delivery of the same
US8255149B2 (en) 1999-07-12 2012-08-28 Skybitz, Inc. System and method for dual-mode location determination
US20040143392A1 (en) * 1999-07-12 2004-07-22 Skybitz, Inc. System and method for fast acquisition reporting using communication satellite range measurement
US6697629B1 (en) * 2000-10-11 2004-02-24 Qualcomm, Incorporated Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system
JP3428637B2 (ja) * 2000-11-27 2003-07-22 日本電気株式会社 Ｃｄｍａ受信機のマルチパス検出方法および回路
JP3589292B2 (ja) * 2000-11-30 2004-11-17 日本電気株式会社 移動体通信装置
JP3543769B2 (ja) * 2001-02-19 2004-07-21 株式会社日立製作所 移動端末の位置測定を行う装置
US6901264B2 (en) * 2001-04-25 2005-05-31 Makor Issues And Rights Ltd. Method and system for mobile station positioning in cellular communication networks
US7061879B2 (en) * 2001-08-10 2006-06-13 Motorola, Inc. Method and apparatus for extending communication unit battery life
US6847630B2 (en) * 2001-11-09 2005-01-25 Qualcomm, Incorporated Communications in an asynchronous cellular wireless network
GB2382270B (en) * 2001-11-16 2006-06-14 Nec Technologies Improved location systems in cellular communications networks
US7193982B2 (en) * 2002-01-11 2007-03-20 Cingular Wireless Ii, Llc System and method for providing flexible data rate transmission in a telecommunication system
US7499391B2 (en) * 2002-02-19 2009-03-03 Samsung Electronics Co., Ltd. Apparatus and method for allocating walsh codes to mobile stations in an adaptive antenna array wireless network
US8290505B2 (en) 2006-08-29 2012-10-16 Telecommunications Systems, Inc. Consequential location derived information
US8027697B2 (en) * 2007-09-28 2011-09-27 Telecommunication Systems, Inc. Public safety access point (PSAP) selection for E911 wireless callers in a GSM type system
US8126889B2 (en) * 2002-03-28 2012-02-28 Telecommunication Systems, Inc. Location fidelity adjustment based on mobile subscriber privacy profile
US8918073B2 (en) * 2002-03-28 2014-12-23 Telecommunication Systems, Inc. Wireless telecommunications location based services scheme selection
US7426380B2 (en) 2002-03-28 2008-09-16 Telecommunication Systems, Inc. Location derived presence information
US20040203597A1 (en) * 2002-03-28 2004-10-14 Pitt Lance Douglas Mobile subscriber privacy evaluation using solicited vs. unsolicited differentiation
US20030186699A1 (en) * 2002-03-28 2003-10-02 Arlene Havlark Wireless telecommunications location based services scheme selection
US9154906B2 (en) * 2002-03-28 2015-10-06 Telecommunication Systems, Inc. Area watcher for wireless network
KR100891785B1 (ko) 2002-04-27 2009-04-07 삼성전자주식회사 부호분할다중접속 이동통신시스템에서 멀티캐스트멀티미디어 방송 서비스를 위한 소프트 핸드오버 방법
US6967989B2 (en) * 2002-05-17 2005-11-22 Motorola, Inc. Method and apparatus for time-sharing a rake receiver structure
US20040208238A1 (en) * 2002-06-25 2004-10-21 Thomas John K. Systems and methods for location estimation in spread spectrum communication systems
AU2002321714A1 (en) * 2002-06-28 2004-01-19 Nokia Corporation Location sevice support for distributed bts architecture
US20040087277A1 (en) * 2002-10-31 2004-05-06 Siemens Information And Communication Mobile Llc. Method and apparatus for improving accuracy of radio timing measurements
US7359711B2 (en) * 2002-10-31 2008-04-15 Siemens Communications, Inc. Methods and apparatus for improving accuracy of radio timing measurements
US7277474B2 (en) * 2002-11-05 2007-10-02 Analog Devices, Inc. Finger allocation for a path searcher in a multipath receiver
US20070238455A1 (en) * 2006-04-07 2007-10-11 Yinjun Zhu Mobile based area event handling when currently visited network doe not cover area
US8666397B2 (en) 2002-12-13 2014-03-04 Telecommunication Systems, Inc. Area event handling when current network does not cover target area
EP1606959B8 (en) * 2003-03-03 2009-11-11 Andrew LLC Independently acquiring and tracking wireless communication system signaling channel assignments on communication links
US7269783B2 (en) * 2003-04-30 2007-09-11 Lucent Technologies Inc. Method and apparatus for dedicated hardware and software split implementation of rate matching and de-matching
CN100397914C (zh) * 2003-07-03 2008-06-25 华为技术有限公司 一种进行位置更新登记的实现方法
US7424293B2 (en) * 2003-12-02 2008-09-09 Telecommunication Systems, Inc. User plane location based service using message tunneling to support roaming
US7751367B2 (en) 2003-12-11 2010-07-06 Qualcomm, Inc. Conveying sector load information to mobile stations
US7260186B2 (en) * 2004-03-23 2007-08-21 Telecommunication Systems, Inc. Solutions for voice over internet protocol (VoIP) 911 location services
US20080090546A1 (en) 2006-10-17 2008-04-17 Richard Dickinson Enhanced E911 network access for a call center using session initiation protocol (SIP) messaging
US20080126535A1 (en) 2006-11-28 2008-05-29 Yinjun Zhu User plane location services over session initiation protocol (SIP)
KR100827105B1 (ko) * 2004-02-13 2008-05-02 삼성전자주식회사 광대역 무선 통신 시스템에서 고속 레인징을 통한 빠른핸드오버 수행 방법 및 장치
US20050193315A1 (en) * 2004-02-18 2005-09-01 Massimo Bertinelli Method and apparatus for performing a TFCI reliability check in E-DCH
EP1871018B1 (en) 2004-03-30 2009-03-11 Mitsubishi Denki K.K. Mobile communications terminal and radio communications system
DE112005000779B4 (de) 2004-04-07 2020-11-12 Symeo Gmbh Verfahren zur Synchronisation von Takteinrichtungen
CN100353795C (zh) * 2004-05-24 2007-12-05 华为技术有限公司 一种无线资源管理的公共测量方法
FR2871313B1 (fr) * 2004-06-08 2006-08-18 Thales Sa Procede de transmission d'un signal de radionavigation
US6985105B1 (en) * 2004-10-15 2006-01-10 Telecommunication Systems, Inc. Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations
US7113128B1 (en) * 2004-10-15 2006-09-26 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
US7629926B2 (en) * 2004-10-15 2009-12-08 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
KR100605980B1 (ko) * 2005-01-04 2006-07-31 삼성전자주식회사 휴대 인터넷 신호를 이용한 위치 측정 시스템 및 방법
US20070066232A1 (en) * 2005-09-22 2007-03-22 Black Peter J Pilot grouping and route protocols in multi-carrier communication systems
US8150408B2 (en) * 2005-03-08 2012-04-03 Qualcomm Incorporated Pilot grouping and set management in multi-carrier communication systems
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
US7019691B1 (en) * 2005-04-07 2006-03-28 Pctel,Maryland, Inc. Method and apparatus for beacon discovery in a spread spectrum cellular radio communication system
GB0509498D0 (en) * 2005-05-10 2005-06-15 Hutchison Whampoa Three G Ip Mobile positioning in mobile networks
US8660573B2 (en) 2005-07-19 2014-02-25 Telecommunications Systems, Inc. Location service requests throttling
US20070049288A1 (en) * 2005-08-24 2007-03-01 Lamprecht Leslie J Creating optimum temporal location trigger for multiple requests
US9282451B2 (en) 2005-09-26 2016-03-08 Telecommunication Systems, Inc. Automatic location identification (ALI) service requests steering, connection sharing and protocol translation
US20070075848A1 (en) * 2005-10-05 2007-04-05 Pitt Lance D Cellular augmented vehicle alarm
US7825780B2 (en) * 2005-10-05 2010-11-02 Telecommunication Systems, Inc. Cellular augmented vehicle alarm notification together with location services for position of an alarming vehicle
US8467320B2 (en) 2005-10-06 2013-06-18 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) multi-user conferencing
US7907551B2 (en) * 2005-10-06 2011-03-15 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) location based 911 conferencing
US7593738B2 (en) * 2005-12-29 2009-09-22 Trueposition, Inc. GPS synchronization for wireless communications stations
US8150363B2 (en) 2006-02-16 2012-04-03 Telecommunication Systems, Inc. Enhanced E911 network access for call centers
US8059789B2 (en) * 2006-02-24 2011-11-15 Telecommunication Systems, Inc. Automatic location identification (ALI) emergency services pseudo key (ESPK)
US7471236B1 (en) 2006-03-01 2008-12-30 Telecommunication Systems, Inc. Cellular augmented radar/laser detector
US7899450B2 (en) * 2006-03-01 2011-03-01 Telecommunication Systems, Inc. Cellular augmented radar/laser detection using local mobile network within cellular network
US9167553B2 (en) 2006-03-01 2015-10-20 Telecommunication Systems, Inc. GeoNexus proximity detector network
US8493941B2 (en) * 2006-04-21 2013-07-23 Alcatel Lucent Method to control the effects of out-of-cell interference in a wireless cellular system using over-the-air feedback control
US8208605B2 (en) 2006-05-04 2012-06-26 Telecommunication Systems, Inc. Extended efficient usage of emergency services keys
US8126098B2 (en) 2006-09-12 2012-02-28 Marvell World Trade Ltd. Multi-rake receiver
WO2008039469A2 (en) * 2006-09-26 2008-04-03 Telecommunication Systems, Inc. Location object proxy
WO2008057477A2 (en) * 2006-11-03 2008-05-15 Telecommunication Systems, Inc. Roaming gateway enabling location based services (lbs) roaming for user plane in cdma networks without requiring use of a mobile positioning center (mpc)
US20080167018A1 (en) * 2007-01-10 2008-07-10 Arlene Havlark Wireless telecommunications location based services scheme selection
US8050386B2 (en) 2007-02-12 2011-11-01 Telecommunication Systems, Inc. Mobile automatic location identification (ALI) for first responders
KR101051876B1 (ko) * 2007-02-13 2011-07-26 주식회사 코아로직 위치확인 장치 및 그 방법
WO2009038726A1 (en) 2007-09-17 2009-03-26 Telecommunication Systems, Inc. Emergency 911 data messaging
US9130963B2 (en) 2011-04-06 2015-09-08 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US7929530B2 (en) * 2007-11-30 2011-04-19 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
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
US8068587B2 (en) 2008-08-22 2011-11-29 Telecommunication Systems, Inc. Nationwide table routing of voice over internet protocol (VOIP) emergency calls
EP2347395A4 (en) 2008-10-14 2016-11-02 Telecomm Systems Inc Location Based Approach Alert
US8892128B2 (en) 2008-10-14 2014-11-18 Telecommunication Systems, Inc. Location based geo-reminders
US8577378B2 (en) 2009-02-10 2013-11-05 Qualcomm Incorporated Method and apparatus for facilitating a beacon-assisted handover to a home Node-B for users on an active call
WO2010126842A1 (en) * 2009-04-27 2010-11-04 Interdigital Patent Holdings, Inc. Reference signals for positioning measurements
US9301191B2 (en) 2013-09-20 2016-03-29 Telecommunication Systems, Inc. Quality of service to over the top applications used with VPN
US8867485B2 (en) * 2009-05-05 2014-10-21 Telecommunication Systems, Inc. Multiple location retrieval function (LRF) network having location continuity
US20110009086A1 (en) * 2009-07-10 2011-01-13 Todd Poremba Text to 9-1-1 emergency communication
US20110064046A1 (en) * 2009-09-11 2011-03-17 Yinjun Zhu User plane emergency location continuity for voice over internet protocol (VoIP)/IMS emergency services
US8467309B2 (en) * 2009-12-23 2013-06-18 Verizon Patent And Licensing Inc. Packet based location provisioning in wireless networks
US20110149953A1 (en) * 2009-12-23 2011-06-23 William Helgeson Tracking results of a v2 query in voice over internet (VoIP) emergency call systems
US8280330B2 (en) * 2009-12-30 2012-10-02 Quintic Holdings Crystal-less clock generation for radio frequency receivers
KR101634214B1 (ko) * 2010-01-18 2016-06-28 삼성전자 주식회사 휴대 단말기의 공중 이동 통신망 선택 방법 및 장치
US8531332B2 (en) * 2010-03-22 2013-09-10 Qualcomm Incorporated Anti-spoofing detection system
US8879407B2 (en) 2010-05-26 2014-11-04 Qualcomm Incorporated Two-way ranging messaging scheme
US8812063B2 (en) 2010-05-26 2014-08-19 Qualcomm Incorporated Signal characteristic-based leading edge detection
US8886148B2 (en) 2010-05-26 2014-11-11 Qualcomm Incorporated Signal based gain control
US8837307B2 (en) 2010-05-26 2014-09-16 Qualcomm Incorporated Two-way ranging messaging scheme
US8831141B2 (en) * 2010-06-25 2014-09-09 Qualcomm Incorporated Leading edge detection
WO2012005769A1 (en) 2010-07-09 2012-01-12 Telecommunication Systems, Inc. Location privacy selector
US20120006610A1 (en) 2010-07-09 2012-01-12 Erik Wallace Telematics enhanced mobile device safety interlock
US8660057B2 (en) 2010-08-26 2014-02-25 Golba, Llc Method and system for distributed communication
US8688087B2 (en) 2010-12-17 2014-04-01 Telecommunication Systems, Inc. N-dimensional affinity confluencer
US8942743B2 (en) 2010-12-17 2015-01-27 Telecommunication Systems, Inc. iALERT enhanced alert manager
US8682321B2 (en) 2011-02-25 2014-03-25 Telecommunication Systems, Inc. Mobile internet protocol (IP) location
US8649806B2 (en) 2011-09-02 2014-02-11 Telecommunication Systems, Inc. Aggregate location dynometer (ALD)
US9479344B2 (en) 2011-09-16 2016-10-25 Telecommunication Systems, Inc. Anonymous voice conversation
US8831556B2 (en) 2011-09-30 2014-09-09 Telecommunication Systems, Inc. Unique global identifier header for minimizing prank emergency 911 calls
US9264537B2 (en) 2011-12-05 2016-02-16 Telecommunication Systems, Inc. Special emergency call treatment based on the caller
US9313637B2 (en) 2011-12-05 2016-04-12 Telecommunication Systems, Inc. Wireless emergency caller profile data delivery over a legacy interface
US8984591B2 (en) 2011-12-16 2015-03-17 Telecommunications Systems, Inc. Authentication via motion of wireless device movement
DE102011088827B3 (de) * 2011-12-16 2013-03-07 Christoph RULAND Roulettetisch und Brettspiel mit elektronischer Bestimmung der räumlichen Position eines Objekts
US9384339B2 (en) 2012-01-13 2016-07-05 Telecommunication Systems, Inc. Authenticating cloud computing enabling secure services
WO2013137930A1 (en) 2012-03-13 2013-09-19 Empire Technology Development Llc Determining the position of a mobile device in an indoor environment
US8688174B2 (en) 2012-03-13 2014-04-01 Telecommunication Systems, Inc. Integrated, detachable ear bud device for a wireless phone
US9307372B2 (en) 2012-03-26 2016-04-05 Telecommunication Systems, Inc. No responders online
US9544260B2 (en) 2012-03-26 2017-01-10 Telecommunication Systems, Inc. Rapid assignment dynamic ownership queue
US9338153B2 (en) 2012-04-11 2016-05-10 Telecommunication Systems, Inc. Secure distribution of non-privileged authentication credentials
WO2014028712A1 (en) 2012-08-15 2014-02-20 Telecommunication Systems, Inc. Device independent caller data access for emergency calls
US9208346B2 (en) 2012-09-05 2015-12-08 Telecommunication Systems, Inc. Persona-notitia intellection codifier
US9456301B2 (en) 2012-12-11 2016-09-27 Telecommunication Systems, Inc. Efficient prisoner tracking
US10039073B2 (en) 2013-01-03 2018-07-31 Qualcomm Incorporated Method for determining location of wireless devices
US8983047B2 (en) 2013-03-20 2015-03-17 Telecommunication Systems, Inc. Index of suspicion determination for communications request
US9408034B2 (en) 2013-09-09 2016-08-02 Telecommunication Systems, Inc. Extended area event for network based proximity discovery
US9516104B2 (en) 2013-09-11 2016-12-06 Telecommunication Systems, Inc. Intelligent load balancer enhanced routing
US9479897B2 (en) 2013-10-03 2016-10-25 Telecommunication Systems, Inc. SUPL-WiFi access point controller location based services for WiFi enabled mobile devices
WO2015053110A1 (ja) * 2013-10-10 2015-04-16 ソニー株式会社 受信装置、受信方法、並びにプログラム
US10182413B2 (en) * 2014-07-30 2019-01-15 Qualcomm Incorporated Wireless positioning using scheduled transmissions
US20220070712A1 (en) * 2020-09-02 2022-03-03 Qualcomm Incorporated Measurement report for sidelink-assisted positioning

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5103459B1 (en) 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
US5490165A (en) 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system
US5764687A (en) 1995-06-20 1998-06-09 Qualcomm Incorporated Mobile demodulator architecture for a spread spectrum multiple access communication system
US5970413A (en) 1996-06-06 1999-10-19 Qualcomm Incorporated Using a frequency that is unavailable for carrying telephone voice information traffic for determining the position of a mobile subscriber in a CDMA cellular telephone system
US5859612A (en) 1996-06-06 1999-01-12 Qualcomm Incorporated Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular telephone system
US5945948A (en) 1996-09-03 1999-08-31 Motorola, Inc. Method and apparatus for location finding in a communication system
US6236365B1 (en) * 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
DE69824064T2 (de) 1997-03-14 2005-06-23 Ntt Mobile Communications Network Inc. Positionsschätzung einer Mobilstation für ein zellulares Mobilkommunikationssystem
KR100251679B1 (ko) 1997-06-25 2000-04-15 윤종용 무선호출기일체형차세대디지털무선전화기의메모리공유방법.
US6507568B2 (en) * 1997-08-27 2003-01-14 Lucent Technologies Inc. Enhanced access in wireless communication systems under rapidly fluctuating fading conditions
JP3095065B2 (ja) 1997-09-11 2000-10-03 日本電気株式会社 スペクトル拡散信号のレイク受信方法およびレイク受信装置
US6078611A (en) * 1997-09-16 2000-06-20 Motorola, Inc. Rake receiver and finger management method for spread spectrum communication
US6011974A (en) * 1997-09-23 2000-01-04 Telefonaktiebolaget L M Ericsson (Publ) Method and system for determining position of a cellular mobile terminal
US6574211B2 (en) 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
US6269075B1 (en) 1998-01-26 2001-07-31 Nokia Mobile Phones Limited Finger assignment in a CDMA rake receiver
JPH11261440A (ja) 1998-03-11 1999-09-24 Oki Electric Ind Co Ltd 合成受信装置
US6081229A (en) 1998-03-17 2000-06-27 Qualcomm Incorporated System and method for determining the position of a wireless CDMA transceiver
US6353412B1 (en) 1998-03-17 2002-03-05 Qualcomm, Incorporated Method and apparatus for determining position location using reduced number of GPS satellites and synchronized and unsynchronized base stations
US6275483B1 (en) * 1998-09-03 2001-08-14 Texas Instruments Incorporated Fast and accurate identification of spread spectrum signals
KR100378124B1 (ko) 1998-12-10 2003-06-19 삼성전자주식회사 이동통신시스템에서단말기의위치추정장치및방법
JP3139707B2 (ja) 1999-03-17 2001-03-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散通信装置
US6263208B1 (en) 1999-05-28 2001-07-17 Lucent Technologies Inc. Geolocation estimation method for CDMA terminals based on pilot strength measurements
US6539006B1 (en) * 1999-08-05 2003-03-25 Ericsson Inc. Mobile station capable of determining base station suitability
US6697629B1 (en) * 2000-10-11 2004-02-24 Qualcomm, Incorporated Method and apparatus for measuring timing of signals received from multiple base stations in a CDMA communication system

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CN1218608C (zh) 2005-09-07
DE60121211T2 (de) 2007-05-16
EP1338165B1 (en) 2006-06-28
WO2002032184A2 (en) 2002-04-18
US7965762B2 (en) 2011-06-21
JP3939650B2 (ja) 2007-07-04
JP2004511990A (ja) 2004-04-15
KR20030036913A (ko) 2003-05-09
AU2002213453A1 (en) 2002-04-22
CN1471795A (zh) 2004-01-28
BR0114556A (pt) 2004-11-09
KR100847008B1 (ko) 2008-07-18
EP1338165A2 (en) 2003-08-27
ATE332068T1 (de) 2006-07-15
WO2002032184A3 (en) 2002-08-01
US6697629B1 (en) 2004-02-24
US7457349B2 (en) 2008-11-25
US20040120386A1 (en) 2004-06-24
TW546970B (en) 2003-08-11
US20090067477A1 (en) 2009-03-12
DE60121211D1 (de) 2006-08-10

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