CN1283018A - 查找移动设备位置的装置和方法 - Google Patents

查找移动设备位置的装置和方法 Download PDF

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Publication number
CN1283018A
CN1283018A CN00121708A CN00121708A CN1283018A CN 1283018 A CN1283018 A CN 1283018A CN 00121708 A CN00121708 A CN 00121708A CN 00121708 A CN00121708 A CN 00121708A CN 1283018 A CN1283018 A CN 1283018A
Authority
CN
China
Prior art keywords
phase
modulated signal
present
signal
frequency
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.)
Pending
Application number
CN00121708A
Other languages
English (en)
Chinese (zh)
Inventor
亚历山大·戈登
圣－洁·蔡
亚历克斯·马图塞维奇
乔纳森·M·托拜厄斯
罗伯特·C·王
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 of America Corp
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 CN1283018A publication Critical patent/CN1283018A/zh
Pending legal-status Critical Current

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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)
CN00121708A 1999-07-26 2000-07-25 查找移动设备位置的装置和方法 Pending CN1283018A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/360,574 1999-07-26
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
CN1283018A true CN1283018A (zh) 2001-02-07

Family

ID=23418587

Family Applications (1)

Application Number Title Priority Date Filing Date
CN00121708A Pending CN1283018A (zh) 1999-07-26 2000-07-25 查找移动设备位置的装置和方法

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
KR100636643B1 (ko) 2006-10-20
CA2313814A1 (en) 2001-01-26
JP3859944B2 (ja) 2006-12-20
JP2001086181A (ja) 2001-03-30
EP1072900A2 (en) 2001-01-31
BR0003015A (pt) 2001-03-13
AU4869800A (en) 2001-02-01
EP1072900A3 (en) 2003-10-08
KR20010021118A (ko) 2001-03-15
US6567486B1 (en) 2003-05-20

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C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication