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BR9710027A - Processo para localizar uma estação móvel - Google Patents

Processo para localizar uma estação móvel

Info

Publication number
BR9710027A
BR9710027A BR9710027-7A BR9710027A BR9710027A BR 9710027 A BR9710027 A BR 9710027A BR 9710027 A BR9710027 A BR 9710027A BR 9710027 A BR9710027 A BR 9710027A
Authority
BR
Brazil
Prior art keywords
signal
base station
mobile station
locating
retransmitted
Prior art date
Application number
BR9710027-7A
Other languages
English (en)
Inventor
Leon Tong
Fuyun Ling
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of BR9710027A publication Critical patent/BR9710027A/pt

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
    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location

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)

Abstract

<B>PROCESSO PARA LOCALIZAR UMA ESTAçãO MóVEL<D>. O processo inclui receber (404) mediante uma primeira estação de base (212) um sinal (215) transmitido a partir da estação móvel (216); desmodular (406) o sinal através da primeira estação de base (212) para formar um sinal desmodulado; re-modular (408) pelo menos uma porção do sinal desmodulado para formar um sinal de referência; receber (412) pela primeira estação de base (212) e segunda estação de base (210, 214) um sinal retransmitido (217); comparar (414, 416) pela primeira estação de base (212), o sinal retransmitido (217) com o sinal de referência para determinar o primeiro retardo; comparar (414, 416), pela segunda estação de base (210, 214), o segundo sinal retransmitido (217) com o sinal de referência para determinar um segundo retardo; e baseado nos primeiro e segundo retardos, determinar (420) um local da estação móvel (216).
BR9710027-7A 1996-06-28 1997-03-27 Processo para localizar uma estação móvel BR9710027A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/671,889 US5675344A (en) 1996-06-28 1996-06-28 Method and apparatus for locating a mobile station in a spread spectrum communication system
PCT/US1997/005340 WO1998000982A2 (en) 1996-06-28 1997-03-27 Method for locating a mobile station

Publications (1)

Publication Number Publication Date
BR9710027A true BR9710027A (pt) 1999-09-21

Family

ID=24696280

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9710027-7A BR9710027A (pt) 1996-06-28 1997-03-27 Processo para localizar uma estação móvel

Country Status (8)

Country Link
US (1) US5675344A (pt)
EP (1) EP0913066A4 (pt)
JP (1) JP2002513517A (pt)
KR (1) KR100280342B1 (pt)
CN (1) CN1178070C (pt)
BR (1) BR9710027A (pt)
CA (1) CA2257953A1 (pt)
WO (1) WO1998000982A2 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104796418A (zh) * 2015-04-10 2015-07-22 深圳北航新兴产业技术研究院 一种采用覆盖空洞补传机制的异构车载网安全检测及消息广播方法

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CN104796418B (zh) * 2015-04-10 2017-12-29 深圳北航新兴产业技术研究院 一种采用覆盖空洞补传机制的异构车载网安全检测及消息广播方法

Also Published As

Publication number Publication date
CA2257953A1 (en) 1998-01-08
CN1178070C (zh) 2004-12-01
JP2002513517A (ja) 2002-05-08
US5675344A (en) 1997-10-07
EP0913066A2 (en) 1999-05-06
EP0913066A4 (en) 2000-12-06
CN1303482A (zh) 2001-07-11
KR100280342B1 (ko) 2001-03-02
WO1998000982A2 (en) 1998-01-08
KR20000022270A (ko) 2000-04-25

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AO NAO RECOLHIMENTO DA 11A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1954 DE 17 - 06 - 2008.

B15K Others concerning applications: alteration of classification

Ipc: H04W 64/00 (2009.01), G01S 5/14 (2006.0