WO1999050968A1 - A method and system for locating a subscriber unit in a system employing spread spectrum channel coding - Google Patents
A method and system for locating a subscriber unit in a system employing spread spectrum channel coding Download PDFInfo
- Publication number
- WO1999050968A1 WO1999050968A1 PCT/US1999/005340 US9905340W WO9950968A1 WO 1999050968 A1 WO1999050968 A1 WO 1999050968A1 US 9905340 W US9905340 W US 9905340W WO 9950968 A1 WO9950968 A1 WO 9950968A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- location
- channel
- channels
- subscriber unit
- known location
- Prior art date
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
-
- 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
- G01S5/14—Determining absolute distances from a plurality of spaced points of known location
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99913852A EP1068671A4 (en) | 1998-03-30 | 1999-03-11 | A method and system for locating a subscriber unit in a system employing spread spectrum channel coding |
BR9908711-1A BR9908711A (en) | 1998-03-30 | 1999-03-11 | Mobile subscriber unit (ms) location method and system in a spectral spreading channel coding system |
JP2000541780A JP2002510893A (en) | 1998-03-30 | 1999-03-11 | Method and system for locating a subscriber unit in a system utilizing spread spectrum channel coding |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/050,283 US6226317B1 (en) | 1998-03-30 | 1998-03-30 | Method and system for aiding in the location of a subscriber unit in a spread spectrum communication system |
US09/050,283 | 1998-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999050968A1 true WO1999050968A1 (en) | 1999-10-07 |
Family
ID=21964388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/005340 WO1999050968A1 (en) | 1998-03-30 | 1999-03-11 | A method and system for locating a subscriber unit in a system employing spread spectrum channel coding |
Country Status (6)
Country | Link |
---|---|
US (1) | US6226317B1 (en) |
EP (1) | EP1068671A4 (en) |
JP (1) | JP2002510893A (en) |
KR (1) | KR100380596B1 (en) |
BR (1) | BR9908711A (en) |
WO (1) | WO1999050968A1 (en) |
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JP2001313973A (en) * | 2000-04-21 | 2001-11-09 | Mitsubishi Electric Inf Technol Center Europ Bv | Mobile communication network and method for measuring position of the mobile station |
EP1547196A1 (en) * | 2002-09-20 | 2005-06-29 | Locata Corporation | A system and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access(tdma) location networks |
JP2011511502A (en) * | 2007-12-18 | 2011-04-07 | クゥアルコム・インコーポレイテッド | Positioning with extended pilot signal |
US8326318B2 (en) | 2007-05-01 | 2012-12-04 | Qualcomm Incorporated | Position location for wireless communication systems |
US8514988B2 (en) | 2007-05-18 | 2013-08-20 | Qualcomm Incorporated | Enhanced pilot signal receiver |
EP2574122A3 (en) * | 2009-06-12 | 2014-04-02 | Motorola Mobility LLC | Method to improve the performance of OTDOA measurements |
US8873650B2 (en) | 2009-10-12 | 2014-10-28 | Motorola Mobility Llc | Configurable spatial channel information feedback in wireless communication system |
US9049680B2 (en) | 2010-02-24 | 2015-06-02 | Google Technology Holdings LLC | Threshold determination in TDOA-based positioning system |
US9203489B2 (en) | 2010-05-05 | 2015-12-01 | Google Technology Holdings LLC | Method and precoder information feedback in multi-antenna wireless communication systems |
US9386542B2 (en) | 2013-09-19 | 2016-07-05 | Google Technology Holdings, LLC | Method and apparatus for estimating transmit power of a wireless device |
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US9491007B2 (en) | 2014-04-28 | 2016-11-08 | Google Technology Holdings LLC | Apparatus and method for antenna matching |
US9541632B2 (en) | 2009-04-09 | 2017-01-10 | Google Technology Holdings LLC | Method and apparatus for generating reference signals for accurate time-difference of arrival estimation |
US9549290B2 (en) | 2013-12-19 | 2017-01-17 | Google Technology Holdings LLC | Method and apparatus for determining direction information for a wireless device |
US9591508B2 (en) | 2012-12-20 | 2017-03-07 | Google Technology Holdings LLC | Methods and apparatus for transmitting data between different peer-to-peer communication groups |
US9813262B2 (en) | 2012-12-03 | 2017-11-07 | Google Technology Holdings LLC | Method and apparatus for selectively transmitting data using spatial diversity |
US9979531B2 (en) | 2013-01-03 | 2018-05-22 | Google Technology Holdings LLC | Method and apparatus for tuning a communication device for multi band operation |
US10229697B2 (en) | 2013-03-12 | 2019-03-12 | Google Technology Holdings LLC | Apparatus and method for beamforming to obtain voice and noise signals |
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KR100254517B1 (en) | 1997-12-29 | 2000-05-01 | 서정욱 | Periodic beacon signal generator for cdma base station |
DE19831086C2 (en) * | 1998-07-10 | 2001-10-18 | Ericsson Telefon Ab L M | Telecommunication system |
US7376105B2 (en) * | 1998-08-21 | 2008-05-20 | Massachusetts Institute Of Technology | Source coding for interference reduction |
US6377608B1 (en) * | 1998-09-30 | 2002-04-23 | Intersil Americas Inc. | Pulsed beacon-based interference reduction mechanism for wireless communication networks |
US6603800B1 (en) | 1999-03-22 | 2003-08-05 | Interdigital Technology Corporation | CDMA location |
JP3573039B2 (en) * | 1999-12-10 | 2004-10-06 | 株式会社日立製作所 | Wireless terminal position measuring method, terminal device using the same, and terminal position management station device |
US8463255B2 (en) | 1999-12-20 | 2013-06-11 | Ipr Licensing, Inc. | Method and apparatus for a spectrally compliant cellular communication system |
JP3673700B2 (en) | 2000-06-27 | 2005-07-20 | 株式会社日立製作所 | Ranging and position measuring method using spread spectrum signal and apparatus for performing the method |
US6785321B1 (en) * | 2000-10-31 | 2004-08-31 | Motorola, Inc. | Apparatus and method for estimating the time of arrival of a spread spectrum signal in a wireless communication system |
US20020077125A1 (en) * | 2000-12-20 | 2002-06-20 | Hunzinger Jason F. | Efficient CDMA earliest phase offset search for geo-location |
US20030114170A1 (en) * | 2001-12-14 | 2003-06-19 | Rick Roland R. | Position determination system that uses a cellular communication system |
FR2856143B1 (en) * | 2003-06-13 | 2005-09-23 | Centre Nat Etd Spatiales | METHOD AND DEVICE FOR DEMODULATING SATELLITE RADIONAVIGATION SIGNALS |
US8971913B2 (en) | 2003-06-27 | 2015-03-03 | Qualcomm Incorporated | Method and apparatus for wireless network hybrid positioning |
US8483717B2 (en) | 2003-06-27 | 2013-07-09 | Qualcomm Incorporated | Local area network assisted positioning |
US7751829B2 (en) * | 2003-09-22 | 2010-07-06 | Fujitsu Limited | Method and apparatus for location determination using mini-beacons |
US6968185B2 (en) * | 2003-11-05 | 2005-11-22 | Interdigital Technology Corporation | Mobile wireless presence and situation management system and method |
US7319878B2 (en) | 2004-06-18 | 2008-01-15 | Qualcomm Incorporated | Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network |
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US7920544B2 (en) | 2005-03-28 | 2011-04-05 | Qualcomm Incorporated | Method and apparatus for enhancing signal-to-noise ratio of position location measurements |
US7257413B2 (en) | 2005-08-24 | 2007-08-14 | Qualcomm Incorporated | Dynamic location almanac for wireless base stations |
JP5726402B2 (en) * | 2005-11-07 | 2015-06-03 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | WLAN and other wireless network location methods |
US9042917B2 (en) | 2005-11-07 | 2015-05-26 | Qualcomm Incorporated | Positioning for WLANS and other wireless networks |
US7639985B2 (en) * | 2006-03-02 | 2009-12-29 | Pc-Tel, Inc. | Use of SCH bursts for co-channel interference measurements |
US9226257B2 (en) | 2006-11-04 | 2015-12-29 | Qualcomm Incorporated | Positioning for WLANs and other wireless networks |
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US9130689B1 (en) * | 2013-05-23 | 2015-09-08 | L-3 Communications Corp. | Applying code division multiplexing to a beacon channel containing data for decoding a corresponding traffic channel |
US20190230618A1 (en) * | 2018-01-23 | 2019-07-25 | Nokia Technologies Oy | Using sidelink information in radio-based positioning |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5508708A (en) * | 1995-05-08 | 1996-04-16 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5235612A (en) * | 1990-12-21 | 1993-08-10 | Motorola, Inc. | Method and apparatus for cancelling spread-spectrum noise |
US5600706A (en) * | 1992-04-08 | 1997-02-04 | U S West, Inc. | Method and system for determining the position of a mobile receiver |
FI941096A (en) * | 1994-03-09 | 1996-01-07 | Zarei Behruz Vazvan | Mobile Phone Parking System |
JP3215018B2 (en) * | 1994-09-09 | 2001-10-02 | 三菱電機株式会社 | Mobile communication system |
GB2330488B (en) * | 1996-06-06 | 2001-03-07 | Qualcomm Inc | Using a signal with increased power for determining the position of a mobile subscriber in a CDMA cellular telephone system |
US5949796A (en) * | 1996-06-19 | 1999-09-07 | Kumar; Derek D. | In-band on-channel digital broadcasting method and system |
US6128276A (en) * | 1997-02-24 | 2000-10-03 | Radix Wireless, Inc. | Stacked-carrier discrete multiple tone communication technology and combinations with code nulling, interference cancellation, retrodirective communication and adaptive antenna arrays |
KR100247000B1 (en) * | 1997-03-18 | 2000-03-15 | 윤종용 | Method for presuming location of mobile station in mobile telecommunication system |
US5923650A (en) * | 1997-04-08 | 1999-07-13 | Qualcomm Incorporated | Method and apparatus for reverse link rate scheduling |
US6021330A (en) * | 1997-07-22 | 2000-02-01 | Lucent Technologies Inc. | Mobile location estimation in a wireless system using designated time intervals of suspended 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 |
US6157842A (en) * | 1997-10-16 | 2000-12-05 | Telefonaktiebolaget Lm Ericsson | System and method for positioning a mobile station in a CDMA cellular system |
US6112094A (en) * | 1998-04-06 | 2000-08-29 | Ericsson Inc. | Orthogonal frequency hopping pattern re-use scheme |
-
1998
- 1998-03-30 US US09/050,283 patent/US6226317B1/en not_active Expired - Lifetime
-
1999
- 1999-03-11 KR KR10-2000-7010879A patent/KR100380596B1/en not_active IP Right Cessation
- 1999-03-11 JP JP2000541780A patent/JP2002510893A/en active Pending
- 1999-03-11 BR BR9908711-1A patent/BR9908711A/en not_active Application Discontinuation
- 1999-03-11 WO PCT/US1999/005340 patent/WO1999050968A1/en not_active Application Discontinuation
- 1999-03-11 EP EP99913852A patent/EP1068671A4/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5508708A (en) * | 1995-05-08 | 1996-04-16 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
US5736964A (en) * | 1995-05-08 | 1998-04-07 | Motorola, Inc. | Method and apparatus for location finding in a CDMA system |
US5764188A (en) * | 1995-05-08 | 1998-06-09 | Motorola, Inc. | Method and apparatus for location finding in a wireless communication system |
Non-Patent Citations (1)
Title |
---|
See also references of EP1068671A4 * |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001313973A (en) * | 2000-04-21 | 2001-11-09 | Mitsubishi Electric Inf Technol Center Europ Bv | Mobile communication network and method for measuring position of the mobile station |
EP1547196A4 (en) * | 2002-09-20 | 2011-06-29 | Locata Corp | A system and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access(tdma) location networks |
EP1547196A1 (en) * | 2002-09-20 | 2005-06-29 | Locata Corporation | A system and method for the mitigation of multipath and the improvement of signal-to-noise ratios in time division multiple access(tdma) location networks |
US8326318B2 (en) | 2007-05-01 | 2012-12-04 | Qualcomm Incorporated | Position location for wireless communication systems |
US9726752B2 (en) | 2007-05-01 | 2017-08-08 | Qualcomm Incorporated | Position location for wireless communication systems |
US8412227B2 (en) | 2007-05-18 | 2013-04-02 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
US8514988B2 (en) | 2007-05-18 | 2013-08-20 | Qualcomm Incorporated | Enhanced pilot signal receiver |
US9119026B2 (en) | 2007-05-18 | 2015-08-25 | Qualcomm Incorporated | Enhanced pilot signal |
US9198053B2 (en) | 2007-05-18 | 2015-11-24 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
JP2011511502A (en) * | 2007-12-18 | 2011-04-07 | クゥアルコム・インコーポレイテッド | Positioning with extended pilot signal |
US9541632B2 (en) | 2009-04-09 | 2017-01-10 | Google Technology Holdings LLC | Method and apparatus for generating reference signals for accurate time-difference of arrival estimation |
EP2574122A3 (en) * | 2009-06-12 | 2014-04-02 | Motorola Mobility LLC | Method to improve the performance of OTDOA measurements |
US9002354B2 (en) | 2009-06-12 | 2015-04-07 | Google Technology Holdings, LLC | Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements |
US11159969B2 (en) | 2009-06-12 | 2021-10-26 | Google Technology Holdings LLC | Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements |
CN105101407A (en) * | 2009-06-12 | 2015-11-25 | 摩托罗拉移动公司 | Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements |
RU2670196C2 (en) * | 2009-06-12 | 2018-10-19 | Моторола Мобилити, Инк. | Control of interference, optimization of sinr and improvement of signaling to improve otdoa measurement performance |
US8873650B2 (en) | 2009-10-12 | 2014-10-28 | Motorola Mobility Llc | Configurable spatial channel information feedback in wireless communication system |
US9496938B2 (en) | 2009-10-12 | 2016-11-15 | Google Technology Holdings LLC | Configurable spatial channel information feedback in wireless communication system |
US9049680B2 (en) | 2010-02-24 | 2015-06-02 | Google Technology Holdings LLC | Threshold determination in TDOA-based positioning system |
US9203489B2 (en) | 2010-05-05 | 2015-12-01 | Google Technology Holdings LLC | Method and precoder information feedback in multi-antenna wireless communication systems |
US9401750B2 (en) | 2010-05-05 | 2016-07-26 | Google Technology Holdings LLC | Method and precoder information feedback in multi-antenna wireless communication systems |
US9813262B2 (en) | 2012-12-03 | 2017-11-07 | Google Technology Holdings LLC | Method and apparatus for selectively transmitting data using spatial diversity |
US10020963B2 (en) | 2012-12-03 | 2018-07-10 | Google Technology Holdings LLC | Method and apparatus for selectively transmitting data using spatial diversity |
US9591508B2 (en) | 2012-12-20 | 2017-03-07 | Google Technology Holdings LLC | Methods and apparatus for transmitting data between different peer-to-peer communication groups |
US9979531B2 (en) | 2013-01-03 | 2018-05-22 | Google Technology Holdings LLC | Method and apparatus for tuning a communication device for multi band operation |
US10229697B2 (en) | 2013-03-12 | 2019-03-12 | Google Technology Holdings LLC | Apparatus and method for beamforming to obtain voice and noise signals |
US9386542B2 (en) | 2013-09-19 | 2016-07-05 | Google Technology Holdings, LLC | Method and apparatus for estimating transmit power of a wireless device |
US9549290B2 (en) | 2013-12-19 | 2017-01-17 | Google Technology Holdings LLC | Method and apparatus for determining direction information for a wireless device |
US9491007B2 (en) | 2014-04-28 | 2016-11-08 | Google Technology Holdings LLC | Apparatus and method for antenna matching |
US9478847B2 (en) | 2014-06-02 | 2016-10-25 | Google Technology Holdings LLC | Antenna system and method of assembly for a wearable electronic device |
CN107258087A (en) * | 2015-02-24 | 2017-10-17 | 飞利浦灯具控股公司 | Position determines the time-multiplexed transmission of beacon signal and control coherent signal |
WO2016134976A1 (en) * | 2015-02-24 | 2016-09-01 | Philips Lighting Holding B.V. | Time-multiplex transmission of localisation beacon signals and control-related signals |
US10462625B2 (en) | 2015-02-24 | 2019-10-29 | Signify Holding B.V. | Time-multiplex transmission of localisation beacon signals and control-related signals |
CN107258087B (en) * | 2015-02-24 | 2020-08-21 | 飞利浦灯具控股公司 | Time multiplexed transmission of localized beacon signals and control related signals |
Also Published As
Publication number | Publication date |
---|---|
KR100380596B1 (en) | 2003-04-18 |
EP1068671A1 (en) | 2001-01-17 |
US6226317B1 (en) | 2001-05-01 |
EP1068671A4 (en) | 2004-08-04 |
JP2002510893A (en) | 2002-04-09 |
KR20010034722A (en) | 2001-04-25 |
BR9908711A (en) | 2000-11-21 |
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