IT1272565B - Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi - Google Patents

Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi

Info

Publication number
IT1272565B
IT1272565B ITMI931894A ITMI931894A IT1272565B IT 1272565 B IT1272565 B IT 1272565B IT MI931894 A ITMI931894 A IT MI931894A IT MI931894 A ITMI931894 A IT MI931894A IT 1272565 B IT1272565 B IT 1272565B
Authority
IT
Italy
Prior art keywords
demodulators
truss
resolution
procedure
viterbi decoding
Prior art date
Application number
ITMI931894A
Other languages
English (en)
Inventor
Sergio Benedetto
Vilma Magnani
Marina Mondin
Fabio Pasello
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 ITMI931894A priority Critical patent/IT1272565B/it
Publication of ITMI931894A0 publication Critical patent/ITMI931894A0/it
Priority to EP94113716A priority patent/EP0647046A1/en
Publication of ITMI931894A1 publication Critical patent/ITMI931894A1/it
Application granted granted Critical
Publication of IT1272565B publication Critical patent/IT1272565B/it

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
    • H04L2027/0053—Closed loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
ITMI931894A 1993-09-03 1993-09-03 Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi IT1272565B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI931894A IT1272565B (it) 1993-09-03 1993-09-03 Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi
EP94113716A EP0647046A1 (en) 1993-09-03 1994-09-01 Procedure and device for phase ambiguity resolution in a trellis coded modulation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI931894A IT1272565B (it) 1993-09-03 1993-09-03 Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi

Publications (3)

Publication Number Publication Date
ITMI931894A0 ITMI931894A0 (it) 1993-09-03
ITMI931894A1 ITMI931894A1 (it) 1995-03-03
IT1272565B true IT1272565B (it) 1997-06-23

Family

ID=11366848

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI931894A IT1272565B (it) 1993-09-03 1993-09-03 Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi

Country Status (2)

Country Link
EP (1) EP0647046A1 (it)
IT (1) IT1272565B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2767238B1 (fr) * 1997-08-07 1999-10-01 Alsthom Cge Alcatel Dispositifs monocanal et multicanaux de demodulation coherente sans pilote, et ensemble correspondant de reception a plusieurs chemins de diversite

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233630A (en) * 1991-05-03 1993-08-03 Qualcomm Incorporated Method and apparatus for resolving phase ambiguities in trellis coded modulated data

Also Published As

Publication number Publication date
ITMI931894A0 (it) 1993-09-03
ITMI931894A1 (it) 1995-03-03
EP0647046A1 (en) 1995-04-05

Similar Documents

Publication Publication Date Title
DE69321115D1 (de) Dünne, flexible damenbinde mit versteiftem mittelteil
DE69315010T2 (de) Oszillator mit mehrphasigen Ausgängen
DE69304977D1 (de) Kryogenisches Rektifikationssystem mit Dreifachkolonne
DK488989A (da) Fremgangsmaade til behandling af en poroes anodisk aluminiumoxidmembran
DE69314965T2 (de) Novolakharzgemische
IT1272565B (it) Procedimento e dispositivo per la risoluzione dell'ambiguita' di fase in demodulatori con modulazione numerica codificata a traliccio e decodifica di viterbi
FI954971A0 (fi) Yhdistetty kellosignaali
DK428589A (da) Vaccinale polypeptider
FR2588183B1 (fr) Attelle d'immobilisation du pouce et du poignet
DE59406314D1 (de) Ringoszillator
DE68910147D1 (de) Druckwandler mit Oszillator.
ITMI932268A0 (it) Manca la descrizione
FR2581875B1 (fr) Composition cosmetique a base d'agents emollients et adoucissants utilisable en application externe pour l'assouplissement du corps
KR920010217B1 (en) Code converter and encoder
ITBO930238A1 (it) Unita' di misura e conversione.
KR950014139U (ko) 선박의 핑거트랙(Finger Track)구조
ITMI920447A0 (it) Citta' con urbanista razionale
DK94093D0 (da) Lokalanaestetisk praeparat
FI962372A (fi) D/A-muunnin oskillaattorin ohjaamiseksi vaihelukitussa silmukassa
PL274228A1 (en) Reinforced concrete bridge span
BR7300631U (pt) Disposicao introduzida em caixa d'agua
ES285834Y (es) Bola reflectante perfeccionada
DE4495250D2 (de) Halskrawatte
IT8845514A0 (it) Parete-cassero per la costruzione di strutture in c.a. e tamponature
KR950021829U (ko) 심볼-바이트 변환장치

Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960924