KR100636643B1 - 무선 통신 시스템에서 수신된 위상 변조 신호를 프로세싱하는 방법 및 장치 - Google Patents

무선 통신 시스템에서 수신된 위상 변조 신호를 프로세싱하는 방법 및 장치 Download PDF

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Publication number
KR100636643B1
KR100636643B1 KR1020000042311A KR20000042311A KR100636643B1 KR 100636643 B1 KR100636643 B1 KR 100636643B1 KR 1020000042311 A KR1020000042311 A KR 1020000042311A KR 20000042311 A KR20000042311 A KR 20000042311A KR 100636643 B1 KR100636643 B1 KR 100636643B1
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KR
South Korea
Prior art keywords
signal
abandoned
communication system
phase
phase modulated
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Expired - Lifetime
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KR1020000042311A
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English (en)
Korean (ko)
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KR20010021118A (ko
Inventor
고든알렉산더
트사이쉥-젠
마츠세비치알렉스
토비아스조나단마이클
왕로버트첸린
Original Assignee
루센트 테크놀러지스 인크
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.)
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Publication date
Application filed by 루센트 테크놀러지스 인크 filed Critical 루센트 테크놀러지스 인크
Publication of KR20010021118A publication Critical patent/KR20010021118A/ko
Application granted granted Critical
Publication of KR100636643B1 publication Critical patent/KR100636643B1/ko
Assigned to 크레디트 스위스 아게 reassignment 크레디트 스위스 아게 질권설정등록 Assignors: 알카텔-루센트 유에스에이 인코포레이티드
Anticipated expiration legal-status Critical
Expired - Lifetime 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

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  • 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)
KR1020000042311A 1999-07-26 2000-07-24 무선 통신 시스템에서 수신된 위상 변조 신호를 프로세싱하는 방법 및 장치 Expired - Lifetime KR100636643B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9/360,574 1999-07-26
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 (2)

Publication Number Publication Date
KR20010021118A KR20010021118A (ko) 2001-03-15
KR100636643B1 true KR100636643B1 (ko) 2006-10-20

Family

ID=23418587

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000042311A Expired - Lifetime KR100636643B1 (ko) 1999-07-26 2000-07-24 무선 통신 시스템에서 수신된 위상 변조 신호를 프로세싱하는 방법 및 장치

Country Status (8)

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

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 (https=) * 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
EP1072900A2 (en) 2001-01-31
JP2001086181A (ja) 2001-03-30
CN1283018A (zh) 2001-02-07
BR0003015A (pt) 2001-03-13
US6567486B1 (en) 2003-05-20
EP1072900A3 (en) 2003-10-08
CA2313814A1 (en) 2001-01-26
AU4869800A (en) 2001-02-01
JP3859944B2 (ja) 2006-12-20
KR20010021118A (ko) 2001-03-15

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