SE9302981L - Device in systems comprising mobile devices - Google Patents

Device in systems comprising mobile devices

Info

Publication number
SE9302981L
SE9302981L SE9302981A SE9302981A SE9302981L SE 9302981 L SE9302981 L SE 9302981L SE 9302981 A SE9302981 A SE 9302981A SE 9302981 A SE9302981 A SE 9302981A SE 9302981 L SE9302981 L SE 9302981L
Authority
SE
Sweden
Prior art keywords
mobile
systems
beacon
mobile devices
position information
Prior art date
Application number
SE9302981A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9302981D0 (en
Inventor
Eric Wichtel
Torbjoern Andersson
Original Assignee
Telia Ab
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 Telia Ab filed Critical Telia Ab
Priority to SE9302981A priority Critical patent/SE9302981L/en
Publication of SE9302981D0 publication Critical patent/SE9302981D0/en
Priority to EP19940850143 priority patent/EP0644519B1/en
Priority to DE1994622112 priority patent/DE69422112T2/en
Publication of SE9302981L publication Critical patent/SE9302981L/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Abstract

A system comprises mobile units and virtual beacons/radio beacons (VB). An arrangement determines whether a mobile unit passes an affected beacon. A unit (BLT) extracts a first position information produced by the system for the current virtual beacon. Elements are arranged to determine if the said passage exists or not in dependence on a comparison function with the second position information relating to the position of the mobile and extracted from an external position determining system (EPD). <IMAGE>
SE9302981A 1993-09-14 1993-09-14 Device in systems comprising mobile devices SE9302981L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices
EP19940850143 EP0644519B1 (en) 1993-09-14 1994-08-29 Arrangement in a system including mobile units
DE1994622112 DE69422112T2 (en) 1993-09-14 1994-08-29 Arrangement in a system with mobile units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices

Publications (2)

Publication Number Publication Date
SE9302981D0 SE9302981D0 (en) 1993-09-14
SE9302981L true SE9302981L (en) 1995-03-15

Family

ID=20391083

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9302981A SE9302981L (en) 1993-09-14 1993-09-14 Device in systems comprising mobile devices

Country Status (3)

Country Link
EP (1) EP0644519B1 (en)
DE (1) DE69422112T2 (en)
SE (1) SE9302981L (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19732371A1 (en) * 1997-06-06 1998-12-10 Volkswagen Ag Method of controlling road vehicles using route planner
WO2009146577A1 (en) * 2008-06-06 2009-12-10 上海贝尔阿尔卡特股份有限公司 Device and method for indoor wireless positioning in a distributed antenna system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1277400C (en) * 1986-04-09 1990-12-04 Uri Rapoport Anti-theft and locating system
US5155689A (en) * 1991-01-17 1992-10-13 By-Word Technologies, Inc. Vehicle locating and communicating method and apparatus
US5173710A (en) * 1991-08-15 1992-12-22 Terrapin Corporation Navigation and positioning system and method using uncoordinated beacon signals

Also Published As

Publication number Publication date
EP0644519A2 (en) 1995-03-22
EP0644519B1 (en) 1999-12-15
DE69422112D1 (en) 2000-01-20
EP0644519A3 (en) 1996-06-26
SE9302981D0 (en) 1993-09-14
DE69422112T2 (en) 2000-05-31

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