ZA991983B - A method and apparatus in a cellular communication system. - Google Patents

A method and apparatus in a cellular communication system.

Info

Publication number
ZA991983B
ZA991983B ZA9901983A ZA991983A ZA991983B ZA 991983 B ZA991983 B ZA 991983B ZA 9901983 A ZA9901983 A ZA 9901983A ZA 991983 A ZA991983 A ZA 991983A ZA 991983 B ZA991983 B ZA 991983B
Authority
ZA
South Africa
Prior art keywords
communication system
cellular communication
cellular
communication
Prior art date
Application number
ZA9901983A
Other languages
English (en)
Inventor
Patrik Lundqvist
Mats Cedervall
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of ZA991983B publication Critical patent/ZA991983B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • 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
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

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)
ZA9901983A 1998-03-24 1999-03-11 A method and apparatus in a cellular communication system. ZA991983B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9800988A SE9800988L (sv) 1998-03-24 1998-03-24 Sätt och anordning vid cellbaserat kommunikationssystem

Publications (1)

Publication Number Publication Date
ZA991983B true ZA991983B (en) 1999-09-27

Family

ID=20410676

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9901983A ZA991983B (en) 1998-03-24 1999-03-11 A method and apparatus in a cellular communication system.

Country Status (6)

Country Link
AR (1) AR018810A1 (xx)
AU (1) AU3179399A (xx)
SE (1) SE9800988L (xx)
TW (1) TW424368B (xx)
WO (1) WO1999049691A2 (xx)
ZA (1) ZA991983B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6295455B1 (en) * 1999-06-11 2001-09-25 Telefonaktiebolaget Lm Ericsson (Publ) Methods and arrangements for locating a mobile telecommunications station
FR2809554B1 (fr) * 2000-05-23 2002-08-16 Mitsubishi Electric Telecom Eu Procede de synchronisation d'au moins une station mobile dans un reseau de telecommunication mobile ayant une structure de canal de synchronisation modifiee
US7110774B1 (en) * 2000-10-27 2006-09-19 Intel Corporation Dual mode uplink/downlink location measurement and multi-protocol location measurement
DE10159226A1 (de) * 2001-11-27 2003-07-03 Ihp Gmbh System und Verfahren zur Standortbestimmung
US8169991B2 (en) * 2004-04-30 2012-05-01 Symbol Technologies, Inc. Interference mitigation in mobile units having location transmitters

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9508884D0 (en) * 1995-05-02 1995-06-21 Telecom Sec Cellular Radio Ltd Cellular radio system
US5844522A (en) * 1995-10-13 1998-12-01 Trackmobile, Inc. Mobile telephone location system and method
GB2330488B (en) * 1996-06-06 2001-03-07 Qualcomm Inc Using a signal with increased power for determining the position of a mobile subscriber in a CDMA cellular telephone system
US5945948A (en) * 1996-09-03 1999-08-31 Motorola, Inc. Method and apparatus for location finding in a communication system

Also Published As

Publication number Publication date
SE9800988D0 (sv) 1998-03-24
WO1999049691A3 (en) 1999-11-11
SE9800988L (sv) 1999-09-25
AU3179399A (en) 1999-10-18
WO1999049691A2 (en) 1999-09-30
AR018810A1 (es) 2001-12-12
TW424368B (en) 2001-03-01

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