DE60234324D1 - Funkortungssystem mit Interferenzunterdrückung - Google Patents

Funkortungssystem mit Interferenzunterdrückung

Info

Publication number
DE60234324D1
DE60234324D1 DE60234324T DE60234324T DE60234324D1 DE 60234324 D1 DE60234324 D1 DE 60234324D1 DE 60234324 T DE60234324 T DE 60234324T DE 60234324 T DE60234324 T DE 60234324T DE 60234324 D1 DE60234324 D1 DE 60234324D1
Authority
DE
Germany
Prior art keywords
location system
interference suppression
radio location
radio
suppression
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60234324T
Other languages
English (en)
Inventor
Peter James Duffett-Smith
John Christopher Clarke
Malcolm David Macnaughtan
Robert Willem Rowe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Positioning Systems Ltd
Original Assignee
Cambridge Positioning Systems Ltd
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 Cambridge Positioning Systems Ltd filed Critical Cambridge Positioning Systems Ltd
Application granted granted Critical
Publication of DE60234324D1 publication Critical patent/DE60234324D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive interference cancellation
    • 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
    • G01S5/01—Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption
    • G01S5/011—Identifying the radio environment
    • 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
    • G01S5/0205—Details
    • G01S5/0218—Multipath in signal reception

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)
DE60234324T 2002-06-17 2002-06-17 Funkortungssystem mit Interferenzunterdrückung Expired - Lifetime DE60234324D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02254215A EP1376150B1 (de) 2002-06-17 2002-06-17 Funkortungssystem mit Interferenzunterdrückung

Publications (1)

Publication Number Publication Date
DE60234324D1 true DE60234324D1 (de) 2009-12-24

Family

ID=29716913

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60234324T Expired - Lifetime DE60234324D1 (de) 2002-06-17 2002-06-17 Funkortungssystem mit Interferenzunterdrückung

Country Status (11)

Country Link
US (1) US7508883B2 (de)
EP (1) EP1376150B1 (de)
JP (1) JP4033861B2 (de)
CN (1) CN100561882C (de)
AR (1) AR039929A1 (de)
AT (1) ATE448490T1 (de)
BR (1) BR0311658A (de)
CA (1) CA2489728A1 (de)
DE (1) DE60234324D1 (de)
TW (1) TWI251084B (de)
WO (1) WO2003107029A2 (de)

Families Citing this family (30)

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Publication number Priority date Publication date Assignee Title
DE60238980D1 (de) * 2002-08-28 2011-03-03 Cambridge Positioning Sys Ltd Verbesserungen in Funkortungsystemen
US8451763B2 (en) * 2006-12-07 2013-05-28 Digimarc Corporation Wireless local area network-based position locating systems and methods
US8421675B2 (en) * 2006-12-07 2013-04-16 Digimarc Corporation Systems and methods for locating a mobile device within a cellular system
US9791545B2 (en) * 2006-12-07 2017-10-17 Digimarc Corporation Space-time calibration system and method
EP3086619A1 (de) 2008-09-10 2016-10-26 Nextnav, LLC Grossflächiges positionierungssystem
US9035829B2 (en) 2008-09-10 2015-05-19 Nextnav, Llc Wide area positioning systems and methods
US8917209B2 (en) 2009-09-10 2014-12-23 Nextnav, Llc Coding in a wide area positioning system (WAPS)
US9057606B2 (en) 2009-09-10 2015-06-16 Nextnav, Llc Wide area positioning system
CN101672907B (zh) * 2008-09-12 2013-05-22 晨星软件研发(深圳)有限公司 射频定位系统及方法
US8812017B2 (en) 2008-12-05 2014-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement in a telecommunication system
DE102009057442B4 (de) * 2008-12-29 2018-08-09 Atmel Corp. Empfänger und Verfahren zum Betrieb eines Empfängers
US7983185B2 (en) 2009-02-12 2011-07-19 Zulutime, Llc Systems and methods for space-time determinations with reduced network traffic
US9473963B2 (en) 2009-05-27 2016-10-18 Echo Ridge Llc Interactive RF system testing system and method
US8521092B2 (en) 2009-05-27 2013-08-27 Echo Ridge Llc Wireless transceiver test bed system and method
US9291712B2 (en) 2009-09-10 2016-03-22 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
US9372266B2 (en) 2009-09-10 2016-06-21 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
US8570993B2 (en) * 2010-05-20 2013-10-29 At&T Mobility Ii Llc Wi-Fi intelligent selection engine
US8463290B2 (en) 2010-07-09 2013-06-11 Digimarc Corporation Mobile device positioning in dynamic groupings of communication devices
US10212687B2 (en) 2010-09-30 2019-02-19 Echo Ridge Llc System and method for robust navigation and geolocation using measurements of opportunity
US9588218B2 (en) 2010-09-30 2017-03-07 Echo Ridge Llc System and method for robust navigation and geolocation using measurements of opportunity
US9176217B2 (en) 2011-08-02 2015-11-03 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
US9594170B2 (en) 2011-09-30 2017-03-14 Echo Ridge Llc Performance improvements for measurement of opportunity geolocation/navigation systems
US9739891B2 (en) 2011-09-30 2017-08-22 Echo Ridge Llc System and method of using measurements of opportunity with vector tracking filters for improved navigation
US9059802B2 (en) 2011-11-09 2015-06-16 At&T Mobility Ii Llc Received signal strength indicator snapshot analysis
US9148808B2 (en) 2011-12-01 2015-09-29 Echo Ridge Llc Adaptive RF system testing system and method
US9282471B2 (en) 2012-03-21 2016-03-08 Digimarc Corporation Positioning systems for wireless networks
EP3139193A1 (de) 2012-06-05 2017-03-08 NextNav, LLC Systeme und verfahren zur standortbestimmung einer benutzervorrichtung
US9286490B2 (en) 2013-09-10 2016-03-15 Nextnav, Llc Systems and methods for providing conditional access to transmitted information
US9390279B2 (en) 2012-09-11 2016-07-12 Nextnav, Llc Systems and methods for providing conditional access to transmitted information
US10200936B2 (en) 2016-11-30 2019-02-05 At&T Intellectual Property I, L.P. Public/private indicator based access point connection permission

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
EP0377592A1 (de) 1987-08-10 1990-07-18 Limited Lynxvale Navigations- und verfolgungssystem
GB9310976D0 (en) 1993-05-27 1993-07-14 Lynxvale Ltd Navigation and tracking system for shielded spaces
GB9519087D0 (en) 1995-09-19 1995-11-22 Cursor Positioning Sys Ltd Navigation and tracking system
FI101445B (fi) 1995-10-03 1998-06-15 Nokia Mobile Phones Ltd Matkaviestimen paikannusjärjestelmä
AUPN733395A0 (en) 1995-12-22 1996-01-25 University Of Technology, Sydney Location and tracking system
US6522890B2 (en) 1995-12-22 2003-02-18 Cambridge Positioning Systems, Ltd. Location and tracking system
US5960355A (en) 1996-02-16 1999-09-28 Telefonaktiebolaget Lm Ericsson Method and an arrangement relating to telecommunication systems
AU716647B2 (en) 1996-07-04 2000-03-02 Cambridge Positioning Systems Limited Ambiguity resolution in MCPS
US6215442B1 (en) * 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
GB9717844D0 (en) 1997-08-23 1997-10-29 The Technology Partnership Plc Improvements in,or relating to,digital cellular radio communication networks
KR100570315B1 (ko) 1997-10-22 2006-04-12 캠브리지 포지셔닝 시스템스 리미티드 디지털 전화망용 위치결정 시스템
US6480558B1 (en) * 1999-03-17 2002-11-12 Ericsson Inc. Synchronization and cell search methods and apparatus for wireless communications
GB9912724D0 (en) 1999-06-01 1999-08-04 Cambridge Positioning Sys Ltd Radio positioning system
JP3934851B2 (ja) 2000-05-23 2007-06-20 日本食品化工株式会社 新規シクロテ゛キストリン・ク゛ルカノトランスフェラーセ゛、その製造方法及びこの酵素を用いるシクロテ゛キストリンの製造方法
ATE402317T1 (de) 2000-07-21 2008-08-15 Hoermann Kg Freisen Verfahren und vorrichtung zum herstellen eines feuerschutzgebäudeabschlussflügels sowie damit herstellbarer feuerschutzgebäudeabschlussflügel
EP1235076A1 (de) 2001-02-23 2002-08-28 Cambridge Positioning Systems Limited Verbesserungen von Ortungssystemen und Verfahren
EP1255122A1 (de) 2001-05-04 2002-11-06 Cambridge Positioning Systems Limited Messeinheit für Funkortungssystem
EP1278074A1 (de) 2001-07-17 2003-01-22 Cambridge Positioning Systems Limited Funkpositionssystem
EP1301054A1 (de) 2001-10-04 2003-04-09 Cambridge Positioning Systems Limited Über die Koordinierung einer Referenzzeit in einem zellularen Terminal oder einer Basisstation

Also Published As

Publication number Publication date
EP1376150B1 (de) 2009-11-11
US20050200525A1 (en) 2005-09-15
CN1662825A (zh) 2005-08-31
US7508883B2 (en) 2009-03-24
BR0311658A (pt) 2005-03-15
WO2003107029A2 (en) 2003-12-24
JP2005537695A (ja) 2005-12-08
CA2489728A1 (en) 2003-12-24
ATE448490T1 (de) 2009-11-15
JP4033861B2 (ja) 2008-01-16
EP1376150A1 (de) 2004-01-02
TWI251084B (en) 2006-03-11
TW200407553A (en) 2004-05-16
WO2003107029A3 (en) 2004-02-19
AR039929A1 (es) 2005-03-09
CN100561882C (zh) 2009-11-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition