GB2357014B - Determining the position of a mobile station in a cellular telephone system - Google Patents

Determining the position of a mobile station in a cellular telephone system

Info

Publication number
GB2357014B
GB2357014B GB0104533A GB0104533A GB2357014B GB 2357014 B GB2357014 B GB 2357014B GB 0104533 A GB0104533 A GB 0104533A GB 0104533 A GB0104533 A GB 0104533A GB 2357014 B GB2357014 B GB 2357014B
Authority
GB
United Kingdom
Prior art keywords
base station
mobile
itself
determining
mobile station
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 - Fee Related
Application number
GB0104533A
Other versions
GB2357014A (en
GB0104533D0 (en
Inventor
Klein S Gilhousen
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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
Priority claimed from US08/659,408 external-priority patent/US5859612A/en
Priority claimed from US08/659,406 external-priority patent/US6195046B1/en
Priority claimed from US08/659,407 external-priority patent/US5943014A/en
Priority claimed from US08/659,504 external-priority patent/US5970413A/en
Priority claimed from US08/659,409 external-priority patent/US6034635A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority claimed from GB0101585A external-priority patent/GB2355159B/en
Publication of GB0104533D0 publication Critical patent/GB0104533D0/en
Publication of GB2357014A publication Critical patent/GB2357014A/en
Application granted granted Critical
Publication of GB2357014B publication Critical patent/GB2357014B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

In a cellular communications system, a mobile is in communication with a first base station via a radio channel. The mobile may be located by measuring signal propagation delays between itself and the first base station, and between itself and a second and third surrounding base station. If, whilst the first base station is transmitting, the mobile is unable to perform the necessary measurements with the second and third base stations, the first base station will temporarily cease transmitting on the radio channel to enable the mobile to measure the propagation time of a signals between itself and the second and third base stations. Particularly suited to CDMA communications systems in which transmission powers are normally kept to a minimum.
GB0104533A 1996-06-06 1997-06-06 Determining the position of a mobile station in a cellular telephone system Expired - Fee Related GB2357014B (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US08/659,406 US6195046B1 (en) 1996-06-06 1996-06-06 Base station with slave antenna for determining the position of a mobile subscriber in a CDMA cellular telephone system
US08/659,407 US5943014A (en) 1996-06-06 1996-06-06 Using a signal with increased power for determining the position of a mobile subscriber in a CDMA cellular telephone system
US08/659,504 US5970413A (en) 1996-06-06 1996-06-06 Using a frequency that is unavailable for carrying telephone voice information traffic for determining the position of a mobile subscriber in a CDMA cellular telephone system
US08/659,409 US6034635A (en) 1996-06-06 1996-06-06 Method for using only two base stations for determining the position of a mobile subscriber in a CDMA cellular telephone system
US08/659,408 US5859612A (en) 1996-06-06 1996-06-06 Method for using an antenna with a rotating beam for determining the position of a mobile subscriber in a CDMA cellular telephone system
GB0101585A GB2355159B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a CDMA cellular telephone system

Publications (3)

Publication Number Publication Date
GB0104533D0 GB0104533D0 (en) 2001-04-11
GB2357014A GB2357014A (en) 2001-06-06
GB2357014B true GB2357014B (en) 2001-08-15

Family

ID=27546615

Family Applications (5)

Application Number Title Priority Date Filing Date
GB0104415A Expired - Fee Related GB2357013B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a CDMA cellular telephone system
GB0104412A Expired - Fee Related GB2357223B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a cellular telephone system
GB0104414A Expired - Fee Related GB2357405B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station within a cellular telephone system
GB0104533A Expired - Fee Related GB2357014B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a cellular telephone system
GB0104413A Expired - Fee Related GB2356782B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a CDMA cellular telephone system

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB0104415A Expired - Fee Related GB2357013B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a CDMA cellular telephone system
GB0104412A Expired - Fee Related GB2357223B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a cellular telephone system
GB0104414A Expired - Fee Related GB2357405B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station within a cellular telephone system

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0104413A Expired - Fee Related GB2356782B (en) 1996-06-06 1997-06-06 Determining the position of a mobile station in a CDMA cellular telephone system

Country Status (1)

Country Link
GB (5) GB2357013B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6115596A (en) * 1997-04-22 2000-09-05 Ericsson Inc. Systems and methods for handling emergency calls in hierarchical cell structures
US6334059B1 (en) * 1999-01-08 2001-12-25 Trueposition, Inc. Modified transmission method for improving accuracy for e-911 calls
US6463290B1 (en) * 1999-01-08 2002-10-08 Trueposition, Inc. Mobile-assisted network based techniques for improving accuracy of wireless location system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215932A (en) * 1988-03-26 1989-09-27 Gec Traffic Automation Radio position finding system
WO1996008908A2 (en) * 1994-09-06 1996-03-21 Interdigital Technology Corporation Wireless telephone distribution system with time and space diversity transmission
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI78567C (en) * 1987-12-18 1989-08-10 Nokia Mobira Oy FOERFARANDE FOER LOKALISERING AV EN ROERLIG STATION, SAMT ROERLIG STATION OCH STOEDSTATION FOER UTFOERANDE AV FOERFARANDET.
GB2239758B (en) * 1990-01-04 1994-01-12 Stc Plc Navigation facility for cellular telephones
DE19524927A1 (en) * 1995-07-08 1997-01-09 Sel Alcatel Ag Route guidance of a subscriber within an SDMA mobile network
EP0800319A1 (en) * 1996-04-02 1997-10-08 Hewlett-Packard Company Locating method for mobile radio systems
US6006097A (en) * 1997-11-24 1999-12-21 Telefonaktiebolaget L M Ericsson (Publ) Method for determining position of mobile communication terminals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215932A (en) * 1988-03-26 1989-09-27 Gec Traffic Automation Radio position finding system
WO1996008908A2 (en) * 1994-09-06 1996-03-21 Interdigital Technology Corporation Wireless telephone distribution system with time and space diversity transmission
US5508708A (en) * 1995-05-08 1996-04-16 Motorola, Inc. Method and apparatus for location finding in a CDMA system

Also Published As

Publication number Publication date
GB2357223B (en) 2001-08-15
GB0104414D0 (en) 2001-04-11
GB0104412D0 (en) 2001-04-11
GB0104415D0 (en) 2001-04-11
GB2357405B (en) 2001-08-15
GB2356782A (en) 2001-05-30
GB2356782B (en) 2001-08-15
GB2357223A (en) 2001-06-13
GB2357405A (en) 2001-06-20
GB0104413D0 (en) 2001-04-11
GB2357013A (en) 2001-06-06
GB2357013B (en) 2001-08-15
GB2357014A (en) 2001-06-06
GB0104533D0 (en) 2001-04-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160606