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BR9905822A - Sistema de posicionamento local - Google Patents

Sistema de posicionamento local

Info

Publication number
BR9905822A
BR9905822A BR9905822-7A BR9905822A BR9905822A BR 9905822 A BR9905822 A BR 9905822A BR 9905822 A BR9905822 A BR 9905822A BR 9905822 A BR9905822 A BR 9905822A
Authority
BR
Brazil
Prior art keywords
lps
pilot channel
channel signals
mobile station
positioning system
Prior art date
Application number
BR9905822-7A
Other languages
English (en)
Inventor
Byron Hua Chen
Charles Varvaro
Maria E Palamara
Original Assignee
Lucent Technologies 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
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of BR9905822A publication Critical patent/BR9905822A/pt

Links

Classifications

    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0036—Transmission from mobile station to base station of measured values, i.e. measurement on mobile and position calculation on base station
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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

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)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Navigation (AREA)

Abstract

<B>SISTEMA DE POSICIONAMENTO LOCAL<D> Um sistema de posicionamento local (LPS) usa os parâmetros de propagação de rádio em uma ligação de emissão de CDMA ou em uma ligação reversa de TDMA, para estabelecer uma posição da estação de base. A estação móvel recebe sinais de canal piloto a partir de pelo menos três estações de base distintas, e registra, o deslocamento de chip PN dos sinais de canal piloto. A diferença de tempo LPS da abordagem de triangulação de chegada não exige capacidades adicionais de detecção de sinal. As estações de base enviam sinais de canal piloto que chegam em uma estação móvel com uma fase específica e pelo menos uma intensidade mínima predeterminada. A estação móvel informa de volta os sinais de canal piloto ''visíveis'', suas fases e intensidade de sinal para o LPS que usa um sistema não-linear de localização, expresso como um conjunto de funções de custo, para estimar a localização da estação móvel. O LPS pode também resolver o problema de localização de estação móvel de telefone de emergência para sistemas de CDMA sem fio mediante determinação da posição de uma pessoa em situação difícil que tem um telefone celular digital.
BR9905822-7A 1998-12-16 1999-12-10 Sistema de posicionamento local BR9905822A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/212,261 US6748224B1 (en) 1998-12-16 1998-12-16 Local positioning system

Publications (1)

Publication Number Publication Date
BR9905822A true BR9905822A (pt) 2000-08-08

Family

ID=22790272

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905822-7A BR9905822A (pt) 1998-12-16 1999-12-10 Sistema de posicionamento local

Country Status (8)

Country Link
US (1) US6748224B1 (pt)
EP (1) EP1014103B1 (pt)
JP (1) JP3510549B2 (pt)
KR (1) KR20000062203A (pt)
CN (1) CN1257387A (pt)
BR (1) BR9905822A (pt)
CA (1) CA2288490A1 (pt)
DE (1) DE69943332D1 (pt)

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Also Published As

Publication number Publication date
JP3510549B2 (ja) 2004-03-29
EP1014103B1 (en) 2011-04-06
CN1257387A (zh) 2000-06-21
KR20000062203A (ko) 2000-10-25
US6748224B1 (en) 2004-06-08
EP1014103A3 (en) 2002-03-20
CA2288490A1 (en) 2000-06-16
EP1014103A2 (en) 2000-06-28
JP2000180186A (ja) 2000-06-30
DE69943332D1 (de) 2011-05-19

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: G01S 5/00 (2006.01), G01S 5/10 (2006.0