CA2408761A1 - Method to calculate true round trip propagation delay and user equipment location in wcdma/utran - Google Patents

Method to calculate true round trip propagation delay and user equipment location in wcdma/utran Download PDF

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Publication number
CA2408761A1
CA2408761A1 CA002408761A CA2408761A CA2408761A1 CA 2408761 A1 CA2408761 A1 CA 2408761A1 CA 002408761 A CA002408761 A CA 002408761A CA 2408761 A CA2408761 A CA 2408761A CA 2408761 A1 CA2408761 A1 CA 2408761A1
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CA
Canada
Prior art keywords
user equipment
round trip
utran
wcdma
propagation delay
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.)
Granted
Application number
CA002408761A
Other languages
French (fr)
Other versions
CA2408761C (en
Inventor
Yrjo Keranen
Timo Viero
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.)
Nokia Technologies Oy
Original Assignee
Nokia Corporation
Yrjo Keranen
Timo Viero
Nokia Networks Oy
Nokia Technologies Oy
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 Nokia Corporation, Yrjo Keranen, Timo Viero, Nokia Networks Oy, Nokia Technologies Oy filed Critical Nokia Corporation
Publication of CA2408761A1 publication Critical patent/CA2408761A1/en
Application granted granted Critical
Publication of CA2408761C publication Critical patent/CA2408761C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/46—Indirect determination of position data
    • G01S2013/466—Indirect determination of position data by Trilateration, i.e. two antennas or two sensors determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the antennas or sensors, the position data of the target is determined

Abstract

A method of determining the location of a user equipment includes determining a round trip time for downlink from at least three nodes to a user equipment, determining the transmission timing delay at the user equipment for the round trip time of each of the three nodes, and determining a distance from each of the at least three nodes using the round trip time and the transmission timing delay.
CA002408761A 2000-05-15 2001-03-14 Method to calculate true round trip propagation delay and user equipment location in wcdma/utran Expired - Lifetime CA2408761C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/571,624 US6681099B1 (en) 2000-05-15 2000-05-15 Method to calculate true round trip propagation delay and user equipment location in WCDMA/UTRAN
US09/571,624 2000-05-15
PCT/IB2001/000385 WO2001089254A1 (en) 2000-05-15 2001-03-14 Method to calculate true round trip propagation delay and user equipment location in wcdma/utran

Publications (2)

Publication Number Publication Date
CA2408761A1 true CA2408761A1 (en) 2001-11-22
CA2408761C CA2408761C (en) 2005-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002408761A Expired - Lifetime CA2408761C (en) 2000-05-15 2001-03-14 Method to calculate true round trip propagation delay and user equipment location in wcdma/utran

Country Status (13)

Country Link
US (1) US6681099B1 (en)
EP (1) EP1285552B1 (en)
JP (1) JP3958577B2 (en)
KR (1) KR100564379B1 (en)
CN (1) CN100369520C (en)
AT (1) ATE353531T1 (en)
AU (2) AU2001237678B2 (en)
BR (1) BR0109993B1 (en)
CA (1) CA2408761C (en)
DE (1) DE60126485T2 (en)
MX (1) MXPA02011245A (en)
RU (1) RU2258323C2 (en)
WO (1) WO2001089254A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112335300A (en) * 2018-05-30 2021-02-05 高通股份有限公司 Ranging between user equipment and fixed reference node
US11751159B2 (en) 2018-05-30 2023-09-05 Qualcomm Incorporated Ranging between a user equipment and a fixed reference node

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Also Published As

Publication number Publication date
JP3958577B2 (en) 2007-08-15
CN1444833A (en) 2003-09-24
DE60126485T2 (en) 2007-11-29
EP1285552A1 (en) 2003-02-26
KR100564379B1 (en) 2006-03-27
BR0109993A (en) 2003-05-27
AU3767801A (en) 2001-11-26
ATE353531T1 (en) 2007-02-15
RU2258323C2 (en) 2005-08-10
EP1285552B1 (en) 2007-02-07
CA2408761C (en) 2005-10-18
CN100369520C (en) 2008-02-13
KR20030001491A (en) 2003-01-06
JP2003533927A (en) 2003-11-11
DE60126485D1 (en) 2007-03-22
MXPA02011245A (en) 2003-03-10
US6681099B1 (en) 2004-01-20
BR0109993B1 (en) 2015-01-06
WO2001089254A1 (en) 2001-11-22
AU2001237678B2 (en) 2004-04-22

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