DK0649233T3 - Fremgangsmåde til at genoprette symbolsynkronisme i modtagere af digitalt modulerede signaler og kredsløb afledt deraf - Google Patents

Fremgangsmåde til at genoprette symbolsynkronisme i modtagere af digitalt modulerede signaler og kredsløb afledt deraf

Info

Publication number
DK0649233T3
DK0649233T3 DK94114981.7T DK94114981T DK0649233T3 DK 0649233 T3 DK0649233 T3 DK 0649233T3 DK 94114981 T DK94114981 T DK 94114981T DK 0649233 T3 DK0649233 T3 DK 0649233T3
Authority
DK
Denmark
Prior art keywords
vco
pll
symbol
sign
samples
Prior art date
Application number
DK94114981.7T
Other languages
Danish (da)
English (en)
Inventor
Ezio Mazzola
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Application granted granted Critical
Publication of DK0649233T3 publication Critical patent/DK0649233T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0079Receiver details
    • H04L7/0083Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/0016Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00Arrangements for synchronising receiver with transmitter
    • H04L7/02Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033Speed 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
    • H04L7/0334Processing of samples having at least three levels, e.g. soft decisions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronizing For Television (AREA)
  • Television Signal Processing For Recording (AREA)
DK94114981.7T 1993-10-14 1994-09-22 Fremgangsmåde til at genoprette symbolsynkronisme i modtagere af digitalt modulerede signaler og kredsløb afledt deraf DK0649233T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI932176A IT1271527B (it) 1993-10-14 1993-10-14 Metodo di recupero del sincronismo di simbolo in ricevitori di segnali modulati digitalmente e circuito da esso derivato

Publications (1)

Publication Number Publication Date
DK0649233T3 true DK0649233T3 (da) 1996-08-26

Family

ID=11367026

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94114981.7T DK0649233T3 (da) 1993-10-14 1994-09-22 Fremgangsmåde til at genoprette symbolsynkronisme i modtagere af digitalt modulerede signaler og kredsløb afledt deraf

Country Status (7)

Country Link
EP (1) EP0649233B1 (de)
AT (1) ATE137072T1 (de)
DE (1) DE69400151T2 (de)
DK (1) DK0649233T3 (de)
ES (1) ES2085816T3 (de)
GR (1) GR3019741T3 (de)
IT (1) IT1271527B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI98584C (fi) * 1995-05-05 1997-07-10 Nokia Technology Gmbh Menetelmä ja piirijärjestely vastaanotetun signaalin käsittelemiseksi
EP0912010B1 (de) * 1997-09-26 2008-12-31 Micronas GmbH Abtastregelkreis für einen Empfänger von digital übertragenen Signalen
CN110350997B (zh) * 2019-07-12 2021-06-25 唐智科技湖南发展有限公司 一种多信息的单线分时传输系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1199705B (it) * 1986-12-05 1988-12-30 Gte Telecom Spa Procedimento e circuito per l'acquisizione del sincronismo di portante in demodulatori coerenti
DE3707762A1 (de) * 1987-03-11 1988-09-29 Ant Nachrichtentech Frequenzdetektor
FR2685594B1 (fr) * 1991-12-19 1994-01-28 Alcatel Telspace Dispositif de recuperation de rythme pour installation de reception utilisant l'egalisation auto-adaptative a sur-echantillonnage associee a la demodulation differentiellement coherente.

Also Published As

Publication number Publication date
ITMI932176A1 (it) 1995-04-14
ATE137072T1 (de) 1996-05-15
ITMI932176A0 (it) 1993-10-14
DE69400151D1 (de) 1996-05-23
GR3019741T3 (en) 1996-07-31
EP0649233A1 (de) 1995-04-19
EP0649233B1 (de) 1996-04-17
DE69400151T2 (de) 1996-11-28
ES2085816T3 (es) 1996-06-01
IT1271527B (it) 1997-05-30

Similar Documents

Publication Publication Date Title
US5535252A (en) Clock synchronization circuit and clock synchronizing method in baseband demodulator of digital modulation type
US4641323A (en) Multi-phase PSK demodulator
KR0178750B1 (ko) 전-디지탈 심볼타이밍 복구장치
ATE308843T1 (de) Digitaler demodulator mit frequenzsteuerung und zeitlicher regulierung
KR950700651A (ko) Psk 복조기(psk demodulator)
EP0578489B1 (de) Phasendetektor für ein Taktrückgewinnungssystem
KR100542091B1 (ko) 무반송파 진폭 위상(cap) 신호용 부호 타이밍 복구 네트워크
AU639874B2 (en) A demodulation circuit
DK0649233T3 (da) Fremgangsmåde til at genoprette symbolsynkronisme i modtagere af digitalt modulerede signaler og kredsløb afledt deraf
JP3267657B2 (ja) ディジタル通信における復調方式
JP3729366B2 (ja) パケットfsk受信機用クロック再生回路
KR100247349B1 (ko) 심볼타이밍복구장치
GB2174565A (en) Decision-feedback QPSK demodulator
JP2876906B2 (ja) ユニークワード検出回路及び復調回路
KR100346783B1 (ko) 보간 필터를 사용한 타이밍 복원장치 및 방법
GB2213663A (en) Data demodulator carrier phase locking
JP3582666B2 (ja) 直交周波数多重信号復調装置
JPS63217753A (ja) キヤリア再生回路
KR0136473B1 (ko) 디지탈 영상디코더의 클럭복원회로
JPH0637742A (ja) クロック再生回路
JPH114273A (ja) デジタル復調装置
JP3017757B2 (ja) ベースバンド遅延検波器
KR950012041B1 (ko) 디지탈 복조기 및 그에 적합한 디지탈 fir필터
JPH0223748A (ja) 無線通信方式
JPH0465912A (ja) デシメーション回路