DE60238980D1 - Verbesserungen in Funkortungsystemen - Google Patents

Verbesserungen in Funkortungsystemen

Info

Publication number
DE60238980D1
DE60238980D1 DE60238980T DE60238980T DE60238980D1 DE 60238980 D1 DE60238980 D1 DE 60238980D1 DE 60238980 T DE60238980 T DE 60238980T DE 60238980 T DE60238980 T DE 60238980T DE 60238980 D1 DE60238980 D1 DE 60238980D1
Authority
DE
Germany
Prior art keywords
radiolocation systems
radiolocation
systems
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
DE60238980T
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 DE60238980D1 publication Critical patent/DE60238980D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop

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)
DE60238980T 2002-08-28 2002-08-28 Verbesserungen in Funkortungsystemen Expired - Lifetime DE60238980D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02255960A EP1394562B1 (de) 2002-08-28 2002-08-28 Verbesserungen in Funkortungsystemen

Publications (1)

Publication Number Publication Date
DE60238980D1 true DE60238980D1 (de) 2011-03-03

Family

ID=31197961

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238980T Expired - Lifetime DE60238980D1 (de) 2002-08-28 2002-08-28 Verbesserungen in Funkortungsystemen

Country Status (7)

Country Link
US (1) US7315745B2 (de)
EP (1) EP1394562B1 (de)
KR (1) KR20050086406A (de)
CA (1) CA2494738A1 (de)
DE (1) DE60238980D1 (de)
TW (1) TWI287106B (de)
WO (1) WO2004021033A1 (de)

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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
EP1954056A1 (de) * 2007-01-31 2008-08-06 Global IP Solutions (GIPS) AB Mehrfachbeschreibende Kodierung und Übertragung eines Videosignals
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US8331953B2 (en) * 2007-05-01 2012-12-11 Andrew Llc System and method for estimating the location of a mobile device
US20080285505A1 (en) * 2007-05-15 2008-11-20 Andrew Corporation System and method for network timing recovery in communications networks
US20080287139A1 (en) * 2007-05-15 2008-11-20 Andrew Corporation System and method for estimating the location of a mobile station in communications networks
US8447319B2 (en) * 2007-11-15 2013-05-21 Andrew Llc System and method for locating UMTS user equipment using measurement reports
US20090199192A1 (en) * 2008-02-05 2009-08-06 Robert Laithwaite Resource scheduling apparatus and method
US8818396B2 (en) 2008-07-11 2014-08-26 Qualcomm Incorporated Apparatus and methods for associating a location fix having a quality of service with an event occuring on a wireless device
US9035829B2 (en) 2008-09-10 2015-05-19 Nextnav, Llc Wide area positioning systems and methods
CN102204396B (zh) 2008-09-10 2014-08-06 科姆拉布斯公司 广域定位系统
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)
US7983185B2 (en) 2009-02-12 2011-07-19 Zulutime, Llc Systems and methods for space-time determinations with reduced network traffic
US20100287025A1 (en) * 2009-05-06 2010-11-11 Brian Fletcher Mobile resource task scheduling
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)
US8340683B2 (en) * 2009-09-21 2012-12-25 Andrew, Llc System and method for a high throughput GSM location solution
US8463290B2 (en) 2010-07-09 2013-06-11 Digimarc Corporation Mobile device positioning in dynamic groupings of communication devices
US9176217B2 (en) 2011-08-02 2015-11-03 Nextnav, Llc Cell organization and transmission schemes in a wide area positioning system (WAPS)
US9282471B2 (en) 2012-03-21 2016-03-08 Digimarc Corporation Positioning systems for wireless networks
US9057774B2 (en) 2012-04-05 2015-06-16 Raytheon Company Position determination using local time difference
CN104583802A (zh) 2012-06-05 2015-04-29 耐克斯特纳威公司 用于用户设备的位置定位的系统和方法
US9390279B2 (en) 2012-09-11 2016-07-12 Nextnav, Llc Systems and methods for providing conditional access to transmitted information
US9286490B2 (en) 2013-09-10 2016-03-15 Nextnav, Llc Systems and methods for providing conditional access to transmitted information
US9538494B2 (en) 2013-11-26 2017-01-03 At&T Intellectual Property I, L.P. Time distance of arrival based mobile device location detection with disturbance scrutiny

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JP3462471B2 (ja) * 2001-01-19 2003-11-05 株式会社日立製作所 無線基地局の送信タイミングのオフセット測定方法及びオフセット測定装置
EP1235076A1 (de) * 2001-02-23 2002-08-28 Cambridge Positioning Systems Limited Verbesserungen von Ortungssystemen und Verfahren
EP1278074A1 (de) * 2001-07-17 2003-01-22 Cambridge Positioning Systems Limited Funkpositionssystem
JP3547412B2 (ja) * 2001-07-24 2004-07-28 株式会社日立製作所 無線端末装置及び測位システム
JP2003070051A (ja) * 2001-08-29 2003-03-07 Denso Corp 移動通信端末装置およびそのプログラム
JP2003116164A (ja) * 2001-10-03 2003-04-18 Nec Corp 測位システム、測位サーバ、無線基地局及びそれに用いる端末位置推定方法
ES1050408Y (es) 2001-10-26 2002-07-16 Carrasco Juan Jose Tarazaga Valvula laminar unidireccional para cuerpos hinchables.
ATE448490T1 (de) * 2002-06-17 2009-11-15 Cambridge Positioning Sys Ltd Funkortungssystem mit interferenzunterdrückung
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Also Published As

Publication number Publication date
WO2004021033A1 (en) 2004-03-11
TWI287106B (en) 2007-09-21
CA2494738A1 (en) 2004-03-11
EP1394562A1 (de) 2004-03-03
US20050259763A1 (en) 2005-11-24
KR20050086406A (ko) 2005-08-30
EP1394562B1 (de) 2011-01-19
US7315745B2 (en) 2008-01-01
TW200411203A (en) 2004-07-01

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