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
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/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/06Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/10Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/14Determining absolute distances from a plurality of spaced points of known location
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 (en) 1998-03-24 1998-03-24 Methods and devices for cellular communication systems

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 (en)
AU (1) AU3179399A (en)
SE (1) SE9800988L (en)
TW (1) TW424368B (en)
WO (1) WO1999049691A2 (en)
ZA (1) ZA991983B (en)

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 (en) * 2000-05-23 2002-08-16 Mitsubishi Electric Telecom Eu METHOD FOR SYNCHRONIZING AT LEAST ONE MOBILE STATION IN A MOBILE TELECOMMUNICATION NETWORK HAVING A MODIFIED SYNCHRONIZATION CHANNEL STRUCTURE
US7110774B1 (en) * 2000-10-27 2006-09-19 Intel Corporation Dual mode uplink/downlink location measurement and multi-protocol location measurement
DE10159226A1 (en) * 2001-11-27 2003-07-03 Ihp Gmbh Location determination system and method
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
WO1997047148A2 (en) * 1996-06-06 1997-12-11 Qualcomm Incorporated 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
AU3179399A (en) 1999-10-18
WO1999049691A3 (en) 1999-11-11
SE9800988L (en) 1999-09-25
WO1999049691A2 (en) 1999-09-30
TW424368B (en) 2001-03-01
AR018810A1 (en) 2001-12-12
SE9800988D0 (en) 1998-03-24

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