SG43903A1 - Digital demodulation circuit - Google Patents

Digital demodulation circuit

Info

Publication number
SG43903A1
SG43903A1 SG1996004627A SG1996004627A SG43903A1 SG 43903 A1 SG43903 A1 SG 43903A1 SG 1996004627 A SG1996004627 A SG 1996004627A SG 1996004627 A SG1996004627 A SG 1996004627A SG 43903 A1 SG43903 A1 SG 43903A1
Authority
SG
Singapore
Prior art keywords
demodulation circuit
digital demodulation
digital
circuit
demodulation
Prior art date
Application number
SG1996004627A
Other languages
English (en)
Inventor
Yoshio Wada
Original Assignee
Toyo Communication Equip
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 Toyo Communication Equip filed Critical Toyo Communication Equip
Publication of SG43903A1 publication Critical patent/SG43903A1/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
    • 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
    • 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
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • 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
    • H04L2027/0032—Correction of carrier offset at baseband and passband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
SG1996004627A 1993-03-10 1994-03-09 Digital demodulation circuit SG43903A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5076127A JPH06268696A (ja) 1993-03-10 1993-03-10 Ａｆｃ回路

Publications (1)

Publication Number Publication Date
SG43903A1 true SG43903A1 (en) 1997-11-14

Family

ID=13596273

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996004627A SG43903A1 (en) 1993-03-10 1994-03-09 Digital demodulation circuit

Country Status (8)

Country Link
US (1) US5602879A (zh)
JP (1) JPH06268696A (zh)
KR (1) KR950701173A (zh)
CN (1) CN1103753A (zh)
CA (1) CA2135490A1 (zh)
GB (1) GB2279854B (zh)
SG (1) SG43903A1 (zh)
WO (1) WO1994021073A1 (zh)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0742647A4 (en) 1994-11-30 1999-11-24 Matsushita Electric Ind Co Ltd RECEPTION CIRCUIT
JP3482722B2 (ja) * 1995-01-13 2004-01-06 ソニー株式会社 Ｔｄｍａ方式の受信機
GB2303278B (en) * 1995-07-11 2000-04-26 Remo Giovanni Andrea Marzolini Improvements to demodulation systems
GB9516230D0 (en) * 1995-08-08 1995-10-11 Philips Electronics Uk Ltd Method of and apparatus for symbol timing recovery
JP3575883B2 (ja) * 1995-09-18 2004-10-13 三菱電機株式会社 ディジタル復調器
JP3504119B2 (ja) * 1997-09-12 2004-03-08 三菱電機株式会社 復調装置、クロック再生装置、復調方法及びクロック再生方法
US6055282A (en) * 1998-04-06 2000-04-25 Motorola Digitally sampled phase quantized FM detector for a communication receiver
US6253051B1 (en) 1999-01-18 2001-06-26 Nec Corporation Wet-type image forming apparatus and method
JP3735488B2 (ja) 1999-06-23 2006-01-18 埼玉日本電気株式会社 デジタル携帯電話装置
US6990160B1 (en) * 1999-09-17 2006-01-24 Matsushita Electric Industrial Co., Ltd. Reception apparatus and method
JP4341127B2 (ja) * 1999-12-20 2009-10-07 ソニー株式会社 情報処理装置、ｉｃカード及びリーダライタ
JP4828730B2 (ja) * 2001-07-05 2011-11-30 富士通株式会社 伝送装置
US7317777B2 (en) * 2002-10-07 2008-01-08 International Business Machines Corporation Digital adaptive control loop for data deserialization
US7099400B2 (en) * 2003-01-22 2006-08-29 Agere Systems Inc. Multi-level pulse amplitude modulation receiver
US7403584B2 (en) * 2003-12-31 2008-07-22 Intel Corporation Programmable phase interpolator adjustment for ideal data eye sampling
DE102005041455A1 (de) * 2005-08-31 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043482A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043481A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043478A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043485A1 (de) 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
US7640463B2 (en) * 2006-06-30 2009-12-29 Lsi Corporation On-chip receiver eye finder circuit for high-speed serial link
GB2488180A (en) 2011-02-21 2012-08-22 Thales Holdings Uk Plc Recovering a clock signal by combining a plurality of measurements at a plurality of samples and selecting a sample as a clock sample
CN105306077B (zh) * 2014-06-12 2017-12-01 中国石油天然气集团公司 信号解码方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692931A (en) * 1984-10-31 1987-09-08 Nec Corporation Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable
JPS61205053A (ja) * 1985-03-08 1986-09-11 Kyocera Corp 無線通信機のｍｓｋ波遅延検波方式
JPS63246060A (ja) * 1987-03-31 1988-10-13 Nec Corp 搬送波同期回路
US4815103A (en) * 1987-10-29 1989-03-21 American Telephone And Telegraph Company Equalizer-based timing recovery
JPH0828704B2 (ja) * 1988-09-07 1996-03-21 国際電信電話株式会社 ユニークワード検出方式
JPH02272840A (ja) * 1989-04-13 1990-11-07 Fujitsu Ltd タイミング再生回路
US5093841A (en) * 1990-01-30 1992-03-03 Nynex Corporation Clock acquisition in a spread spectrum system
JP2884792B2 (ja) * 1991-02-19 1999-04-19 日本電気株式会社 タイミング抽出装置
US5283815A (en) * 1991-05-21 1994-02-01 General Electric Company Tangental type differential detector for pulse shaped PI/4 shifted differentially encoded quadrature phase shift keying
US5202901A (en) * 1991-05-21 1993-04-13 General Electric Company Digital discriminator for pulse shaped π/4 shifted differentially encoded quadrature phase shift keying
US5259005A (en) * 1992-03-26 1993-11-02 Motorola, Inc. Apparatus for and method of synchronizing a clock signal
US5309482A (en) * 1992-03-30 1994-05-03 Novatel Communications Ltd. Receiver having an adjustable matched filter
US5311544A (en) * 1992-11-19 1994-05-10 Samsung Electronics Co., Ltd. Receiver of a direct sequence spread spectrum system
US5343498A (en) * 1993-03-08 1994-08-30 General Electric Company Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers
US5504785A (en) * 1993-05-28 1996-04-02 Tv/Com Technologies, Inc. Digital receiver for variable symbol rate communications
US5425057A (en) * 1994-04-25 1995-06-13 Paff; Thomas M. Phase demodulation method and apparatus using asynchronous sampling pulses

Also Published As

Publication number Publication date
GB2279854B (en) 1997-11-12
CA2135490A1 (en) 1994-09-15
KR950701173A (ko) 1995-02-20
GB9416868D0 (en) 1994-11-02
JPH06268696A (ja) 1994-09-22
WO1994021073A1 (en) 1994-09-15
US5602879A (en) 1997-02-11
CN1103753A (zh) 1995-06-14
GB2279854A (en) 1995-01-11

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