SG84579A1 - Device and method for correcting local oscillation frequency of radio reception device according to pilot synchronous detection - Google Patents

Device and method for correcting local oscillation frequency of radio reception device according to pilot synchronous detection

Info

Publication number
SG84579A1
SG84579A1 SG200001742A SG200001742A SG84579A1 SG 84579 A1 SG84579 A1 SG 84579A1 SG 200001742 A SG200001742 A SG 200001742A SG 200001742 A SG200001742 A SG 200001742A SG 84579 A1 SG84579 A1 SG 84579A1
Authority
SG
Singapore
Prior art keywords
oscillation frequency
local oscillation
radio reception
synchronous detection
reception device
Prior art date
Application number
SG200001742A
Other languages
English (en)
Inventor
Kondo Takayuki
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of SG84579A1 publication Critical patent/SG84579A1/en

Links

Classifications

    • 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0087—Out-of-band signals, (e.g. pilots)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Mobile Radio Communication Systems (AREA)
SG200001742A 1999-03-31 2000-03-25 Device and method for correcting local oscillation frequency of radio reception device according to pilot synchronous detection SG84579A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9089899A JP3304914B2 (ja) 1999-03-31 1999-03-31 周波数補正方法

Publications (1)

Publication Number Publication Date
SG84579A1 true SG84579A1 (en) 2001-11-20

Family

ID=14011234

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200001742A SG84579A1 (en) 1999-03-31 2000-03-25 Device and method for correcting local oscillation frequency of radio reception device according to pilot synchronous detection

Country Status (6)

Country Link
US (1) US6597728B1 (ja)
EP (1) EP1041788B1 (ja)
JP (1) JP3304914B2 (ja)
AU (1) AU764976B2 (ja)
DE (1) DE60023582T2 (ja)
SG (1) SG84579A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3368875B2 (ja) * 1999-11-05 2003-01-20 日本電気株式会社 周波数オフセット補正システム及び方法
JP2002101012A (ja) * 2000-09-22 2002-04-05 Sanyo Electric Co Ltd 周波数制御方法、周波数制御装置、及び通信端末
JP4154591B2 (ja) * 2003-04-25 2008-09-24 日本電気株式会社 周波数オフセットの検出処理システム及びそれを用いた周波数オフセットの検出処理方法
US7865158B2 (en) * 2005-07-26 2011-01-04 Interdigital Technology Corporation Method and apparatus for automatically correcting receiver oscillator frequency
JP4543289B2 (ja) * 2008-01-24 2010-09-15 Ｎｅｃアクセステクニカ株式会社 ノイズレベル測定方法および装置
TW201246850A (en) * 2011-02-24 2012-11-16 Nec Casio Mobile Comm Ltd Receiving device, receiving method, and computer program

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control
WO1996032784A2 (en) * 1995-04-11 1996-10-17 Philips Electronics N.V. Communications system and transmitting means therefor
WO1996041427A1 (en) * 1995-06-07 1996-12-19 Comsat Corporation Digital downconverter/despreader for direct sequence spread spectrum cdma communications system
GB2313527A (en) * 1996-05-22 1997-11-26 Mitsubishi Electric Corp Tuning in OFDM receivers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100238047B1 (ko) * 1997-02-25 2000-01-15 윤종용 직교 주파수분할 다중화 전송시스템의 반송파 주파수 동기 방법 및 동기 장치
GB2326070B (en) * 1997-05-02 2002-04-24 Lsi Logic Corp Demoulding digital video broadcast siginals
GB2326069B (en) * 1997-05-02 2002-06-19 Lsi Logic Corp Demodulating digital video broadcast signals
US6320917B1 (en) * 1997-05-02 2001-11-20 Lsi Logic Corporation Demodulating digital video broadcast signals

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525685A (en) * 1983-05-31 1985-06-25 Spectracom Corp. Disciplined oscillator system with frequency control and accumulated time control
WO1996032784A2 (en) * 1995-04-11 1996-10-17 Philips Electronics N.V. Communications system and transmitting means therefor
WO1996041427A1 (en) * 1995-06-07 1996-12-19 Comsat Corporation Digital downconverter/despreader for direct sequence spread spectrum cdma communications system
GB2313527A (en) * 1996-05-22 1997-11-26 Mitsubishi Electric Corp Tuning in OFDM receivers

Also Published As

Publication number Publication date
EP1041788B1 (en) 2005-11-02
AU2261900A (en) 2000-10-05
JP3304914B2 (ja) 2002-07-22
DE60023582T2 (de) 2006-07-13
AU764976B2 (en) 2003-09-04
DE60023582D1 (de) 2005-12-08
US6597728B1 (en) 2003-07-22
EP1041788A3 (en) 2003-11-12
JP2000286752A (ja) 2000-10-13
EP1041788A2 (en) 2000-10-04

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