CA2003954A1 - Methode pour determiner l'instant de reception des symboles et le decalage de frequence dans les sytemes radio a acces multiple a repartition temporelle - Google Patents

Methode pour determiner l'instant de reception des symboles et le decalage de frequence dans les sytemes radio a acces multiple a repartition temporelle

Info

Publication number
CA2003954A1
CA2003954A1 CA2003954A CA2003954A CA2003954A1 CA 2003954 A1 CA2003954 A1 CA 2003954A1 CA 2003954 A CA2003954 A CA 2003954A CA 2003954 A CA2003954 A CA 2003954A CA 2003954 A1 CA2003954 A1 CA 2003954A1
Authority
CA
Canada
Prior art keywords
symbol
frequency offset
time division
sixteen
circuitry
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.)
Granted
Application number
CA2003954A
Other languages
English (en)
Other versions
CA2003954C (fr
Inventor
Justin Che-I Chuang
Nelson Ray Sollenberger
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.)
Iconectiv LLC
Original Assignee
Bell Communications Research 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 Bell Communications Research Inc filed Critical Bell Communications Research Inc
Publication of CA2003954A1 publication Critical patent/CA2003954A1/fr
Application granted granted Critical
Publication of CA2003954C publication Critical patent/CA2003954C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
    • H04L7/007—Detection of the synchronisation error by features other than the received signal transition detection of error based on maximum signal power, e.g. peak value, maximizing autocorrelation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
CA002003954A 1989-11-16 1989-11-27 Methode pour determiner l'instant de reception des symboles et le decalage de frequence dans les sytemes radio a acces multiple a repartition temporelle Expired - Lifetime CA2003954C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/437,758 US4941155A (en) 1989-11-16 1989-11-16 Method and circuitry for symbol timing and frequency offset estimation in time division multiple access radio systems
US437,758 1989-11-16

Publications (2)

Publication Number Publication Date
CA2003954A1 true CA2003954A1 (fr) 1991-05-16
CA2003954C CA2003954C (fr) 1993-12-07

Family

ID=23737759

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002003954A Expired - Lifetime CA2003954C (fr) 1989-11-16 1989-11-27 Methode pour determiner l'instant de reception des symboles et le decalage de frequence dans les sytemes radio a acces multiple a repartition temporelle

Country Status (2)

Country Link
US (1) US4941155A (fr)
CA (1) CA2003954C (fr)

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US5426641A (en) * 1994-01-28 1995-06-20 Bell Communications Research, Inc. Adaptive class AB amplifier for TDMA wireless communications systems
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US5671257A (en) * 1995-06-06 1997-09-23 Sicom, Inc. Symbol timing recovery based on complex sample magnitude
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KR0170690B1 (ko) * 1995-09-23 1999-03-20 김광호 반송파 및 심볼타이밍 복원완료 검출회로와 그 방법 및 이를 채용한 고해상도 텔레비젼
WO1997023080A1 (fr) * 1995-12-19 1997-06-26 Motorola Inc. Procede et dispositif d'acquisition de correction automatique de frequence
KR100193837B1 (ko) * 1996-08-24 1999-06-15 윤종용 시분할다윈접속 디지탈 이동통신 시스템의 주파수 교정 버스트 검출방법
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US6104767A (en) * 1997-11-17 2000-08-15 Telefonaktiebolaget Lm Ericsson Method and apparatus for estimating a frequency offset
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US6829534B2 (en) 1999-04-23 2004-12-07 Global Locate, Inc. Method and apparatus for performing timing synchronization
US6453237B1 (en) * 1999-04-23 2002-09-17 Global Locate, Inc. Method and apparatus for locating and providing services to mobile devices
US6393073B1 (en) 1999-06-28 2002-05-21 Raytheon Company Method of frequency offset estimation and correction for adaptive antennas
US6567480B1 (en) * 1999-08-10 2003-05-20 Lucent Technologies Inc. Method and apparatus for sampling timing adjustment and frequency offset compensation
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US6914950B1 (en) 2000-07-31 2005-07-05 Lyrtech Inc. Multi-protocol receiver
US6731697B1 (en) * 2000-10-06 2004-05-04 Cadence Desicgn Systems, Inc. Symbol timing recovery method for low resolution multiple amplitude signals
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US8619922B1 (en) 2002-02-04 2013-12-31 Marvell International Ltd. Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
US7218691B1 (en) * 2001-03-05 2007-05-15 Marvell International Ltd. Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
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US7215965B2 (en) * 2001-11-01 2007-05-08 Airbiquity Inc. Facility and method for wireless transmission of location data in a voice channel of a digital wireless telecommunications network
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US8594138B2 (en) 2008-09-15 2013-11-26 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
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Also Published As

Publication number Publication date
US4941155A (en) 1990-07-10
CA2003954C (fr) 1993-12-07

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