DE60117100D1 - Digitaler Signaldetektor, digitaler Demodulator , Verfahren zur Detektierung eines digitales Signals und Verfahren zur synchronen Detektierung durch einen digitalen Demodulator - Google Patents

Digitaler Signaldetektor, digitaler Demodulator , Verfahren zur Detektierung eines digitales Signals und Verfahren zur synchronen Detektierung durch einen digitalen Demodulator

Info

Publication number
DE60117100D1
DE60117100D1 DE60117100T DE60117100T DE60117100D1 DE 60117100 D1 DE60117100 D1 DE 60117100D1 DE 60117100 T DE60117100 T DE 60117100T DE 60117100 T DE60117100 T DE 60117100T DE 60117100 D1 DE60117100 D1 DE 60117100D1
Authority
DE
Germany
Prior art keywords
digital
digital signal
demodulator
detecting
synchronous detection
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.)
Expired - Lifetime
Application number
DE60117100T
Other languages
English (en)
Other versions
DE60117100T2 (de
Inventor
Ken Yamauchi
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.)
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60117100D1 publication Critical patent/DE60117100D1/de
Publication of DE60117100T2 publication Critical patent/DE60117100T2/de
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
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • 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
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • 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
    • H04L2027/0034—Correction of carrier offset using hypothesis testing
    • 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
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • 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
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE60117100T 2000-05-11 2001-02-27 Digitaler Signaldetektor, digitaler Demodulator , Verfahren zur Detektierung eines digitales Signals und Verfahren zur synchronen Detektierung durch einen digitalen Demodulator Expired - Lifetime DE60117100T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000138116A JP3773093B2 (ja) 2000-05-11 2000-05-11 ディジタル信号検出器、ディジタル復調器、ディジタル信号の検出方法、およびディジタル復調器の同期検波方法
JP2000138116 2000-05-11

Publications (2)

Publication Number Publication Date
DE60117100D1 true DE60117100D1 (de) 2006-04-20
DE60117100T2 DE60117100T2 (de) 2006-08-17

Family

ID=18645777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60117100T Expired - Lifetime DE60117100T2 (de) 2000-05-11 2001-02-27 Digitaler Signaldetektor, digitaler Demodulator , Verfahren zur Detektierung eines digitales Signals und Verfahren zur synchronen Detektierung durch einen digitalen Demodulator

Country Status (4)

Country Link
US (1) US6980608B2 (de)
EP (1) EP1154596B1 (de)
JP (1) JP3773093B2 (de)
DE (1) DE60117100T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6738608B2 (en) 2002-02-12 2004-05-18 Qualcomm Incorporated Frequency-timing control loop for wireless communication systems
US7327805B2 (en) * 2002-02-28 2008-02-05 Tsi Telsys, Inc. Device, apparatus and method for receiving data transmissions having different data rates
US7483368B2 (en) * 2003-09-30 2009-01-27 Hitachi Kokusai Electric Inc. Method and detecting carrier shift amount in digital transmission signal, method of correcting carrier shift amount, and receiver employing these methods
JP2007288343A (ja) * 2006-04-13 2007-11-01 Mitsubishi Electric Corp 自動周波数制御装置
US20100211591A1 (en) * 2009-02-16 2010-08-19 Chuan-Hua Chang Apparatus for processing strings simultaneously
US20130223500A1 (en) * 2010-11-09 2013-08-29 Telefonaktiebolaget L M Ericsson (Publ) Dual carrier recovery loop
CN108650047B (zh) * 2017-12-29 2020-02-21 北京时代民芯科技有限公司 一种串行数据接收实时同步监测电路及监测方法
TWI756730B (zh) * 2020-07-03 2022-03-01 立積電子股份有限公司 調頻解調變裝置及調頻解調變裝置的控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07212421A (ja) * 1994-01-19 1995-08-11 Toshiba Corp Ａｆｃ回路
JP3180727B2 (ja) * 1997-08-06 2001-06-25 日本電気株式会社 送受信機
CA2316177C (en) * 1997-12-29 2008-01-29 Kabushiki Kaisha Kenwood Frame-synchronizing-signal capturing circuit of receiver
US6717993B1 (en) * 1998-01-29 2004-04-06 Kabushiki Kaisha Kenwood Receiver

Also Published As

Publication number Publication date
DE60117100T2 (de) 2006-08-17
EP1154596A2 (de) 2001-11-14
EP1154596A3 (de) 2004-09-01
US6980608B2 (en) 2005-12-27
US20010043657A1 (en) 2001-11-22
JP2001320432A (ja) 2001-11-16
JP3773093B2 (ja) 2006-05-10
EP1154596B1 (de) 2006-02-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU MICROELECTRONICS LTD., TOKYO, JP

8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU SEMICONDUCTOR LTD., YOKOHAMA, KANAGAWA, JP

8328 Change in the person/name/address of the agent

Representative=s name: SEEGER SEEGER LINDNER PARTNERSCHAFT PATENTANWAELTE