IT1271527B - Metodo di recupero del sincronismo di simbolo in ricevitori di segnali modulati digitalmente e circuito da esso derivato - Google Patents

Metodo di recupero del sincronismo di simbolo in ricevitori di segnali modulati digitalmente e circuito da esso derivato

Info

Publication number
IT1271527B
IT1271527B ITMI932176A ITMI932176A IT1271527B IT 1271527 B IT1271527 B IT 1271527B IT MI932176 A ITMI932176 A IT MI932176A IT MI932176 A ITMI932176 A IT MI932176A IT 1271527 B IT1271527 B IT 1271527B
Authority
IT
Italy
Prior art keywords
symbol
vco
pll
sign
samples
Prior art date
Application number
ITMI932176A
Other languages
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
Priority to ITMI932176A priority Critical patent/IT1271527B/it
Publication of ITMI932176A0 publication Critical patent/ITMI932176A0/it
Priority to AT94114981T priority patent/ATE137072T1/de
Priority to DE69400151T priority patent/DE69400151T2/de
Priority to EP94114981A priority patent/EP0649233B1/en
Priority to ES94114981T priority patent/ES2085816T3/es
Priority to DK94114981.7T priority patent/DK0649233T3/da
Publication of ITMI932176A1 publication Critical patent/ITMI932176A1/it
Priority to GR960401131T priority patent/GR3019741T3/el
Application granted granted Critical
Publication of IT1271527B publication Critical patent/IT1271527B/it

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
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0079—Receiver details
    • H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0016—Arrangements for synchronising receiver with transmitter correction of synchronization errors
    • H04L7/002—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation
    • H04L7/0029—Arrangements for synchronising receiver with transmitter correction of synchronization errors correction by interpolation interpolation of received data signal
    • 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
    • H04L7/0334—Processing 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)
ITMI932176A 1993-10-14 1993-10-14 Metodo di recupero del sincronismo di simbolo in ricevitori di segnali modulati digitalmente e circuito da esso derivato IT1271527B (it)

Priority Applications (7)

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
AT94114981T ATE137072T1 (de) 1993-10-14 1994-09-22 Verfahren zur rückgewinnung der zeichensynchronisation in empfängern digital modulierter signale und schaltung dazu
DE69400151T DE69400151T2 (de) 1993-10-14 1994-09-22 Verfahren zur Rückgewinnung der Zeichensynchronisation in Empfängern digital modulierter Signale und Schaltung dazu
EP94114981A EP0649233B1 (en) 1993-10-14 1994-09-22 Method for recovering symbol synchronism in receivers of digitally modulated signals and circuit derived therefrom
ES94114981T ES2085816T3 (es) 1993-10-14 1994-09-22 Metodo para recuperar el sincronismo de simbolos en receptores de señales moduladas digitalmente y circuito derivado del mismo.
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
GR960401131T GR3019741T3 (en) 1993-10-14 1996-04-24 Method for recovering symbol synchronism in receivers of digitally modulated signals and circuit derived therefrom.

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 (3)

Publication Number Publication Date
ITMI932176A0 ITMI932176A0 (it) 1993-10-14
ITMI932176A1 ITMI932176A1 (it) 1995-04-14
IT1271527B true IT1271527B (it) 1997-05-30

Family

ID=11367026

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (7)

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

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
GR3019741T3 (en) 1996-07-31
ITMI932176A0 (it) 1993-10-14
EP0649233A1 (en) 1995-04-19
ATE137072T1 (de) 1996-05-15
ES2085816T3 (es) 1996-06-01
DE69400151T2 (de) 1996-11-28
ITMI932176A1 (it) 1995-04-14
EP0649233B1 (en) 1996-04-17
DE69400151D1 (de) 1996-05-23
DK0649233T3 (da) 1996-08-26

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Legal Events

Date Code Title Description
0001 Granted