ATE448490T1 - Funkortungssystem mit interferenzunterdrückung - Google Patents

Funkortungssystem mit interferenzunterdrückung

Info

Publication number
ATE448490T1
ATE448490T1 AT02254215T AT02254215T ATE448490T1 AT E448490 T1 ATE448490 T1 AT E448490T1 AT 02254215 T AT02254215 T AT 02254215T AT 02254215 T AT02254215 T AT 02254215T AT E448490 T1 ATE448490 T1 AT E448490T1
Authority
AT
Austria
Prior art keywords
interference cancellation
location system
radio location
radio
cancellation
Prior art date
Application number
AT02254215T
Other languages
English (en)
Inventor
Peter James Duffett-Smith
John Christopher Clarke
Malcolm David Macnaughtan
Robert Willem Rowe
Original Assignee
Cambridge Positioning Sys 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 Sys Ltd filed Critical Cambridge Positioning Sys Ltd
Application granted granted Critical
Publication of ATE448490T1 publication Critical patent/ATE448490T1/de

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)
AT02254215T 2002-06-17 2002-06-17 Funkortungssystem mit interferenzunterdrückung ATE448490T1 (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
ATE448490T1 true ATE448490T1 (de) 2009-11-15

Family

ID=29716913

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02254215T ATE448490T1 (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)

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DE60238980D1 (de) * 2002-08-28 2011-03-03 Cambridge Positioning Sys Ltd Verbesserungen in Funkortungsystemen
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
US8451763B2 (en) * 2006-12-07 2013-05-28 Digimarc Corporation Wireless local area network-based position locating systems and methods
KR20160066010A (ko) 2008-09-10 2016-06-09 콤랩스. 인크. 지상 비컨 네트워크 및 이를 이용한 위치 결정 신호 생성 및 송신 방법
US9035829B2 (en) 2008-09-10 2015-05-19 Nextnav, Llc Wide area positioning systems and methods
US9057606B2 (en) 2009-09-10 2015-06-16 Nextnav, Llc Wide area positioning system
US9119165B2 (en) 2009-09-10 2015-08-25 Nextnav, Llc Coding in a wide area positioning system (WAPS)
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
JP2012511151A (ja) * 2008-12-05 2012-05-17 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 通信システムにおける方法および装置
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
US8521092B2 (en) 2009-05-27 2013-08-27 Echo Ridge Llc Wireless transceiver test bed system and method
US9473963B2 (en) 2009-05-27 2016-10-18 Echo Ridge Llc Interactive RF system testing system and method
US9372266B2 (en) 2009-09-10 2016-06-21 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
US9291712B2 (en) 2009-09-10 2016-03-22 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
US9588218B2 (en) 2010-09-30 2017-03-07 Echo Ridge Llc System and method for robust navigation and geolocation using measurements of opportunity
US10212687B2 (en) 2010-09-30 2019-02-19 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)
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
US9594170B2 (en) 2011-09-30 2017-03-14 Echo Ridge Llc Performance improvements for measurement of opportunity geolocation/navigation systems
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
KR20150024880A (ko) 2012-06-05 2015-03-09 넥스트나브, 엘엘씨 사용자 장치의 위치 찾기를 위한 시스템 및 방법
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
US12270916B2 (en) 2019-07-24 2025-04-08 Echo Ridge Llc System and method for aiding data processing for signals of opportunity-based assured position, navigation and timing (PNT)

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DE3879032T2 (de) 1987-08-10 1993-06-24 Cambridge Capital Management 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
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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
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US6215442B1 (en) * 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
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ATE229653T1 (de) 1997-10-22 2002-12-15 Cambridge Positioning Sys Ltd Positionsbestimmungssystem für ein digitales telefonnetz
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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
ES2307631T3 (es) 2000-07-21 2008-12-01 Hormann Kg Freisen Procedimiento y dispositivo para fabricar un panel de cierre de edificio para proteccion contra incendios, asi como panel de cierre de edificios para proteccion contra incendios fabricado con los mismos.
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
US7508883B2 (en) 2009-03-24
TW200407553A (en) 2004-05-16
AR039929A1 (es) 2005-03-09
EP1376150A1 (de) 2004-01-02
DE60234324D1 (de) 2009-12-24
EP1376150B1 (de) 2009-11-11
WO2003107029A2 (en) 2003-12-24
JP2005537695A (ja) 2005-12-08
CN1662825A (zh) 2005-08-31
BR0311658A (pt) 2005-03-15
CA2489728A1 (en) 2003-12-24
US20050200525A1 (en) 2005-09-15
TWI251084B (en) 2006-03-11
WO2003107029A3 (en) 2004-02-19
JP4033861B2 (ja) 2008-01-16
CN100561882C (zh) 2009-11-18

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