CA2259766A1 - Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area - Google Patents

Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area Download PDF

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Publication number
CA2259766A1
CA2259766A1 CA002259766A CA2259766A CA2259766A1 CA 2259766 A1 CA2259766 A1 CA 2259766A1 CA 002259766 A CA002259766 A CA 002259766A CA 2259766 A CA2259766 A CA 2259766A CA 2259766 A1 CA2259766 A1 CA 2259766A1
Authority
CA
Canada
Prior art keywords
positioning
positioning apparatus
signals
base station
output
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
CA002259766A
Other languages
French (fr)
Other versions
CA2259766C (en
Inventor
Yoshihiko Kuwahara
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of CA2259766A1 publication Critical patent/CA2259766A1/en
Application granted granted Critical
Publication of CA2259766C publication Critical patent/CA2259766C/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
    • 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
    • G01S5/12—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 by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial

Abstract

A positioning apparatus is provided in a cellular base station for positioning a portable terminal in a cell covered by the cellular base station. The positioning apparatus has a base position indicative of a position of the cellular base station on a map. The positioning apparatus comprises an array antenna for receiving a transmission signal transmitted by the portable terminal to output a plurality of reception signals. A receiver section translates the reception signals into a plurality of baseband signals to demodulate the baseband signals into a plurality of demodulated signals. An estimation section estimates incident direction and delay time of the transmission signal on the basis of the demodulated signals to output an estimation result indicative of the incident direction and the delay time. A position calculating means calculates a terminal position of the portable terminal on the map in accordance with the estimation result and the base position to output a terminal position signal indicative of the terminal position.
CA002259766A 1998-01-21 1999-01-20 Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area Expired - Lifetime CA2259766C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP00990898A JP3156768B2 (en) 1998-01-21 1998-01-21 Cellular base station and position locating device mounted on it
JP009908/1998 1998-01-21

Publications (2)

Publication Number Publication Date
CA2259766A1 true CA2259766A1 (en) 1999-07-21
CA2259766C CA2259766C (en) 2002-11-12

Family

ID=11733219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002259766A Expired - Lifetime CA2259766C (en) 1998-01-21 1999-01-20 Positioning apparatus used in a cellular communication system and capable of carrying out a positioning with a high accuracy in urban area

Country Status (5)

Country Link
US (1) US6070079A (en)
EP (1) EP0932049A3 (en)
JP (1) JP3156768B2 (en)
AU (1) AU1318399A (en)
CA (1) CA2259766C (en)

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Also Published As

Publication number Publication date
EP0932049A3 (en) 2000-12-27
EP0932049A2 (en) 1999-07-28
AU1318399A (en) 2000-06-08
CA2259766C (en) 2002-11-12
JP3156768B2 (en) 2001-04-16
US6070079A (en) 2000-05-30
JPH11215543A (en) 1999-08-06

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Effective date: 20190121

MKEX Expiry

Effective date: 20190121