BR0003015A - Aparelho e método para descobrir a localização de uma unidade móvel - Google Patents

Aparelho e método para descobrir a localização de uma unidade móvel

Info

Publication number
BR0003015A
BR0003015A BR0003015-5A BR0003015A BR0003015A BR 0003015 A BR0003015 A BR 0003015A BR 0003015 A BR0003015 A BR 0003015A BR 0003015 A BR0003015 A BR 0003015A
Authority
BR
Brazil
Prior art keywords
phase
demodulated
modulated signal
mobile unit
frequency
Prior art date
Application number
BR0003015-5A
Other languages
English (en)
Portuguese (pt)
Inventor
Alexander Gordon
Alex Matusevich
Sheng-Jen Tsai
Jonathan Michael Tobias
Robert Chuenlin Wang
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 BR0003015A publication Critical patent/BR0003015A/pt

Links

Classifications

    • 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
    • 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
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/045—Receivers

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
BR0003015-5A 1999-07-26 2000-07-20 Aparelho e método para descobrir a localização de uma unidade móvel BR0003015A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/360,574 US6567486B1 (en) 1999-07-26 1999-07-26 Apparatus and method for finding location of a mobile unit

Publications (1)

Publication Number Publication Date
BR0003015A true BR0003015A (pt) 2001-03-13

Family

ID=23418587

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0003015-5A BR0003015A (pt) 1999-07-26 2000-07-20 Aparelho e método para descobrir a localização de uma unidade móvel

Country Status (8)

Country Link
US (1) US6567486B1 (enExample)
EP (1) EP1072900A3 (enExample)
JP (1) JP3859944B2 (enExample)
KR (1) KR100636643B1 (enExample)
CN (1) CN1283018A (enExample)
AU (1) AU4869800A (enExample)
BR (1) BR0003015A (enExample)
CA (1) CA2313814A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567486B1 (en) * 1999-07-26 2003-05-20 Lucent Technologies Inc. Apparatus and method for finding location of a mobile unit
JP4232355B2 (ja) * 2001-06-11 2009-03-04 株式会社日立製作所 分散システムにおけるサービス提供方法
US7187736B2 (en) * 2003-02-13 2007-03-06 Motorola Inc. Reducing interference in a GSM communication system
US7636061B1 (en) 2005-04-21 2009-12-22 Alan Thomas Method and apparatus for location determination of people or objects
US7949032B1 (en) 2005-05-16 2011-05-24 Frost Edward G Methods and apparatus for masking and securing communications transmissions
US7706328B2 (en) * 2006-01-04 2010-04-27 Qualcomm Incorporated Methods and apparatus for position location in a wireless network
US8165064B2 (en) 2008-01-28 2012-04-24 Qualcomm Incorporated Enhancements to the positioning pilot channel
US9002354B2 (en) * 2009-06-12 2015-04-07 Google Technology Holdings, LLC Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements
US20140266609A1 (en) * 2013-03-15 2014-09-18 Microchip Technology Incorporated System and Method for Locating Wireless Nodes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2226790B1 (enExample) * 1973-04-19 1977-08-19 Lannionnais Electronique
US5276712A (en) * 1989-11-16 1994-01-04 Digital Equipment Corporation Method and apparatus for clock recovery in digital communication systems
US5579345A (en) * 1994-10-13 1996-11-26 Westinghouse Electric Corporation Carrier tracking loop for QPSK demodulator
US5802113A (en) * 1995-10-25 1998-09-01 Philips Electronics North America Corporation Clock signal recovery system for communication systems using quadrature amplitude modulation
US5890068A (en) * 1996-10-03 1999-03-30 Cell-Loc Inc. Wireless location system
US6665356B1 (en) * 1999-06-10 2003-12-16 Agere Systems Inc. Sample timing control for demodulation of phase-modulated signals
US6567486B1 (en) * 1999-07-26 2003-05-20 Lucent Technologies Inc. Apparatus and method for finding location of a mobile unit

Also Published As

Publication number Publication date
JP2001086181A (ja) 2001-03-30
EP1072900A2 (en) 2001-01-31
US6567486B1 (en) 2003-05-20
CA2313814A1 (en) 2001-01-26
KR20010021118A (ko) 2001-03-15
KR100636643B1 (ko) 2006-10-20
CN1283018A (zh) 2001-02-07
AU4869800A (en) 2001-02-01
JP3859944B2 (ja) 2006-12-20
EP1072900A3 (en) 2003-10-08

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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]