DE69224687T2 - Trägerfrequenz-Fehlerdetektorschaltung zur genauen Feststellung eines Trägerfrequenzfehlers - Google Patents

Trägerfrequenz-Fehlerdetektorschaltung zur genauen Feststellung eines Trägerfrequenzfehlers

Info

Publication number
DE69224687T2
DE69224687T2 DE69224687T DE69224687T DE69224687T2 DE 69224687 T2 DE69224687 T2 DE 69224687T2 DE 69224687 T DE69224687 T DE 69224687T DE 69224687 T DE69224687 T DE 69224687T DE 69224687 T2 DE69224687 T2 DE 69224687T2
Authority
DE
Germany
Prior art keywords
carrier frequency
frequency error
detector circuit
accurate detection
error detector
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 - Fee Related
Application number
DE69224687T
Other languages
English (en)
Other versions
DE69224687D1 (de
Inventor
Motoya Iwasaki
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.)
NEC Corp
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
Priority claimed from JP21276991A external-priority patent/JPH0537511A/ja
Priority claimed from JP3214455A external-priority patent/JP2913919B2/ja
Priority claimed from JP3350652A external-priority patent/JPH05167630A/ja
Priority claimed from JP4044661A external-priority patent/JP2993541B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69224687D1 publication Critical patent/DE69224687D1/de
Publication of DE69224687T2 publication Critical patent/DE69224687T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L27/233—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
    • H04L2027/003—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
    • H04L2027/0044—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
    • H04L7/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE69224687T 1991-07-30 1992-07-29 Trägerfrequenz-Fehlerdetektorschaltung zur genauen Feststellung eines Trägerfrequenzfehlers Expired - Fee Related DE69224687T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP21276991A JPH0537511A (ja) 1991-07-30 1991-07-30 ユニークワード検出回路
JP3214455A JP2913919B2 (ja) 1991-07-31 1991-07-31 搬送波周波数誤差検出器
JP3350652A JPH05167630A (ja) 1991-12-12 1991-12-12 ユニークワード検出器
JP4044661A JP2993541B2 (ja) 1992-03-02 1992-03-02 高速同期復調装置

Publications (2)

Publication Number Publication Date
DE69224687D1 DE69224687D1 (de) 1998-04-16
DE69224687T2 true DE69224687T2 (de) 1998-07-02

Family

ID=27461564

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69224687T Expired - Fee Related DE69224687T2 (de) 1991-07-30 1992-07-29 Trägerfrequenz-Fehlerdetektorschaltung zur genauen Feststellung eines Trägerfrequenzfehlers
DE69233096T Expired - Fee Related DE69233096T2 (de) 1991-07-30 1992-07-29 Einzelwortdetektorschaltung zur Verwendung in einem kohärenten Demodulator

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69233096T Expired - Fee Related DE69233096T2 (de) 1991-07-30 1992-07-29 Einzelwortdetektorschaltung zur Verwendung in einem kohärenten Demodulator

Country Status (5)

Country Link
US (1) US5276710A (de)
EP (2) EP0526833B1 (de)
AU (1) AU656098B2 (de)
CA (1) CA2074889C (de)
DE (2) DE69224687T2 (de)

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KR101285888B1 (ko) 2007-03-30 2013-07-11 엘지전자 주식회사 디지털 방송 시스템 및 데이터 처리 방법
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Also Published As

Publication number Publication date
EP0750411A3 (de) 1997-01-08
DE69224687D1 (de) 1998-04-16
AU2066392A (en) 1993-02-04
CA2074889A1 (en) 1993-01-31
EP0526833A3 (de) 1995-05-17
EP0526833B1 (de) 1998-03-11
EP0526833A2 (de) 1993-02-10
EP0750411B1 (de) 2003-06-11
DE69233096D1 (de) 2003-07-17
CA2074889C (en) 1997-12-09
AU656098B2 (en) 1995-01-19
DE69233096T2 (de) 2003-12-11
US5276710A (en) 1994-01-04
EP0750411A2 (de) 1996-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee