GB9920286D0 - Improvements in or relating to satellite navigation - Google Patents

Improvements in or relating to satellite navigation

Info

Publication number
GB9920286D0
GB9920286D0 GBGB9920286.3A GB9920286A GB9920286D0 GB 9920286 D0 GB9920286 D0 GB 9920286D0 GB 9920286 A GB9920286 A GB 9920286A GB 9920286 D0 GB9920286 D0 GB 9920286D0
Authority
GB
United Kingdom
Prior art keywords
relating
satellite navigation
satellite
navigation
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.)
Ceased
Application number
GBGB9920286.3A
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research 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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Priority to GBGB9920286.3A priority Critical patent/GB9920286D0/en
Publication of GB9920286D0 publication Critical patent/GB9920286D0/en
Priority to GB9928646A priority patent/GB2353648A/en
Ceased 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
    • G01S19/11—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radio Relay Systems (AREA)
GBGB9920286.3A 1999-08-27 1999-08-27 Improvements in or relating to satellite navigation Ceased GB9920286D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB9920286.3A GB9920286D0 (en) 1999-08-27 1999-08-27 Improvements in or relating to satellite navigation
GB9928646A GB2353648A (en) 1999-08-27 1999-12-06 Repeater unit for satellite positioning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9920286.3A GB9920286D0 (en) 1999-08-27 1999-08-27 Improvements in or relating to satellite navigation

Publications (1)

Publication Number Publication Date
GB9920286D0 true GB9920286D0 (en) 1999-10-27

Family

ID=10859894

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9920286.3A Ceased GB9920286D0 (en) 1999-08-27 1999-08-27 Improvements in or relating to satellite navigation
GB9928646A Withdrawn GB2353648A (en) 1999-08-27 1999-12-06 Repeater unit for satellite positioning system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9928646A Withdrawn GB2353648A (en) 1999-08-27 1999-12-06 Repeater unit for satellite positioning system

Country Status (1)

Country Link
GB (2) GB9920286D0 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421000B1 (en) * 2000-06-08 2002-07-16 Rockwell Collins, Inc. GPS multipath mitigation using a multi-element antenna array
US7295808B2 (en) 2002-09-05 2007-11-13 Soliman Samir S Method of and system for calibrating a repeater
US7072612B2 (en) 2003-03-03 2006-07-04 Qualcomm Incorporated Repeater identification in position determination system
GB0305888D0 (en) * 2003-03-14 2003-04-16 Squared Ltd J System and method for global positioning system repeater
US7310064B2 (en) * 2004-04-29 2007-12-18 Novariant Inc. Rebroadcasting method and system for navigation signals
US20060246899A1 (en) 2005-04-28 2006-11-02 Research In Motion Limited System and method for providing network advertisement information via a network advertisement broker (NAB)
EP1739991B1 (en) * 2005-07-01 2019-10-02 BlackBerry Limited System and method for accelerating network selection by a wireless user equipment device using satellite based positioning system
US8428584B2 (en) 2005-07-01 2013-04-23 Research In Motion Limited System and method for accelerating network selection by a wireless user equipment (UE) device
US8159397B2 (en) 2006-03-30 2012-04-17 Novatel Inc. System for determining position using two way time transfer signals
US7656349B2 (en) * 2006-03-30 2010-02-02 Novatel Inc. Enhancement of GNSS position determination in poor signal propagation environments
US8010105B2 (en) 2006-05-19 2011-08-30 Research In Motion Limited System and method for facilitating accelerated network selection using a weighted network list
EP1858278B1 (en) 2006-05-19 2013-05-15 Research In Motion Limited System and method for facilitating accelerated network selection in a radio network enviroment
KR101100638B1 (en) * 2006-11-17 2012-01-03 알카텔-루센트 유에스에이 인코포레이티드 GEO-location using distributed composite gps signals
US7602335B2 (en) 2006-11-17 2009-10-13 Alcatel-Lucent Usa Inc. Geo-location using distributed composite GPS signals
CA2704264C (en) 2007-11-02 2015-03-17 Novatel Inc. System and method for distributing accurate time and frequency over a network
JP5383693B2 (en) 2007-11-13 2014-01-08 ノヴァテル インコーポレイテッド System for positioning over a network
WO2009140768A1 (en) 2008-05-22 2009-11-26 Novatel Inc. Gnss receiver using signals of opportunity and assistance information to reduce the time to first fix
US10725182B2 (en) 2018-01-04 2020-07-28 Interstate Electronics Corporation Systems and methods for providing anti-spoofing capability to a global navigation satellite system receiver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5375059A (en) * 1990-02-05 1994-12-20 Caterpillar Inc. Vehicle position determination system and method
JPH03291582A (en) * 1990-04-09 1991-12-20 Pioneer Electron Corp Gps signal repeating device
JP2887815B2 (en) * 1990-08-08 1999-05-10 アイシン精機株式会社 Mobile station position monitoring system
US5686924A (en) * 1995-05-30 1997-11-11 Trimble Navigation Limited Local-area position navigation system with fixed pseudolite reference transmitters
FR2735240B1 (en) * 1995-06-06 1998-01-30 Soc Et Rech Et Const Electroni METHOD AND DEVICE FOR THE PRECISE DETERMINATION OF A MASK POINT BY SATELLITE RADIOLOCATION.
US5815114A (en) * 1996-04-05 1998-09-29 Discovision Associates Positioning system and method
US5886665A (en) * 1997-08-07 1999-03-23 Rockwell International GNSS local constellation/acquisition aiding system
US5959575A (en) * 1997-11-04 1999-09-28 Nortrhop Grumman Corporation Interior GPS navigation

Also Published As

Publication number Publication date
GB9928646D0 (en) 2000-02-02
GB2353648A (en) 2001-02-28

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)