IT8020906A0 - Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in un sistema ditrasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura. - Google Patents
Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in un sistema ditrasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura.Info
- Publication number
- IT8020906A0 IT8020906A0 IT8020906A IT2090680A IT8020906A0 IT 8020906 A0 IT8020906 A0 IT 8020906A0 IT 8020906 A IT8020906 A IT 8020906A IT 2090680 A IT2090680 A IT 2090680A IT 8020906 A0 IT8020906 A0 IT 8020906A0
- Authority
- IT
- Italy
- Prior art keywords
- initializing
- procedure
- data signal
- transmission system
- carrier modulation
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000005540 biological transmission Effects 0.000 title 1
- 230000009977 dual effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Dc Digital Transmission (AREA)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7910422A FR2454732A1 (fr) | 1979-04-17 | 1979-04-17 | Procede et dispositif pour initialiser un egaliseur adaptatif a partir d'un signal de donnees inconnu dans un systeme de transmission utilisant une modulation a double bande laterale-porteuses en quadrature |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8020906A0 true IT8020906A0 (it) | 1980-03-26 |
IT8020906A1 IT8020906A1 (it) | 1981-09-26 |
IT1151006B IT1151006B (it) | 1986-12-17 |
Family
ID=9224695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20906/80A IT1151006B (it) | 1979-04-17 | 1980-03-26 | Procedimento e dispositivo per inizializzare un equalizzatore adattivo a partire da un segnale di dati sconosciuto in sistema di trasmissione impiegante una modulazione a doppia banda laterale-portanti in quadratura |
Country Status (8)
Country | Link |
---|---|
US (1) | US4309770A (it) |
EP (1) | EP0017716B1 (it) |
JP (1) | JPS5927533B2 (it) |
AU (1) | AU532169B2 (it) |
CA (1) | CA1151246A (it) |
DE (1) | DE3064001D1 (it) |
FR (1) | FR2454732A1 (it) |
IT (1) | IT1151006B (it) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0048475B1 (en) * | 1980-09-24 | 1986-01-22 | Kabushiki Kaisha Toshiba | Transversal equalizer |
US4376308A (en) * | 1981-04-01 | 1983-03-08 | Bell Telephone Laboratories, Incorporated | Control of coefficient drift for fractionally spaced equalizers |
DE3173306D1 (en) * | 1981-09-08 | 1986-02-06 | Ibm | Data receiving apparatus with listener echo canceller |
US4658286A (en) * | 1983-03-28 | 1987-04-14 | Jack Schwartz | Method and apparatus for correcting distortions in reproducing systems |
US4831637A (en) * | 1984-06-19 | 1989-05-16 | American Telephone And Telegraph Company | Apparatus and technique for timing jitter cancellation in a data receiver |
US4709374A (en) * | 1984-07-05 | 1987-11-24 | American Telephone And Telegraph Company | Technique for decision-directed equalizer train/retrain |
GB2198317B (en) * | 1986-12-06 | 1990-07-25 | Rolls Royce Plc | Recovery of data clocks |
JPS63130724U (it) * | 1987-02-19 | 1988-08-26 | ||
SE457399B (sv) * | 1987-04-23 | 1988-12-19 | Ericsson Telefon Ab L M | Anordning i en koherrent mobiltelefonmottagare foer reducering av bitfel |
DE68915762T2 (de) * | 1989-08-21 | 1994-12-08 | Ibm | Taktsteuerung für Modemempfänger. |
SE464437B (sv) * | 1989-08-25 | 1991-04-22 | Ericsson Telefon Ab L M | Metod i en mogilradiomottagare foer att reducera mottagarens effektbehov |
US5066923A (en) * | 1990-10-31 | 1991-11-19 | Motorola, Inc. | Linear transmitter training method and apparatus |
US5325195A (en) * | 1991-05-06 | 1994-06-28 | Rasterops Corporation | Video normalizer for a display monitor |
US5268930A (en) * | 1991-12-19 | 1993-12-07 | Novatel Communications Ltd. | Decision feedback equalizer |
US5835532A (en) * | 1994-03-21 | 1998-11-10 | Rca Thomson Licensing Corporation | Blind equalizer for a vestigial sideband signal |
US5616831A (en) * | 1995-04-21 | 1997-04-01 | Alcan International Limited | Process and apparatus for controlling gravity settling system |
US5970093A (en) * | 1996-01-23 | 1999-10-19 | Tiernan Communications, Inc. | Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals |
US5712873A (en) * | 1996-06-04 | 1998-01-27 | Thomson Consumer Electronics, Inc. | Multi-mode equalizer in a digital video signal processing system |
US7194026B2 (en) * | 2001-04-26 | 2007-03-20 | Thomson Licensing | Blind equalization method for a high definition television signal |
US7330068B2 (en) * | 2002-04-16 | 2008-02-12 | Bose Corporation | Adjusting coefficients of a filter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047013A (en) * | 1975-07-09 | 1977-09-06 | International Business Machines Corporation | Method and apparatus for fast determination of initial transversal equalizer coefficient values |
US3978407A (en) * | 1975-07-23 | 1976-08-31 | Codex Corporation | Fast start-up adaptive equalizer communication system using two data transmission rates |
FR2337465A1 (fr) * | 1975-12-30 | 1977-07-29 | Ibm France | Procede et dispositif pour determiner les valeurs initiales des coefficients d'un egaliseur transversal complexe |
JPS5488048A (en) * | 1977-12-26 | 1979-07-12 | Kokusai Denshin Denwa Co Ltd | Automatic transversal equalizer |
-
1979
- 1979-04-17 FR FR7910422A patent/FR2454732A1/fr not_active Withdrawn
-
1980
- 1980-02-07 DE DE8080100623T patent/DE3064001D1/de not_active Expired
- 1980-02-07 EP EP80100623A patent/EP0017716B1/fr not_active Expired
- 1980-03-26 IT IT20906/80A patent/IT1151006B/it active
- 1980-04-01 US US06/136,195 patent/US4309770A/en not_active Expired - Lifetime
- 1980-04-08 CA CA000349343A patent/CA1151246A/en not_active Expired
- 1980-04-14 AU AU57433/80A patent/AU532169B2/en not_active Ceased
- 1980-04-14 JP JP55048177A patent/JPS5927533B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55141835A (en) | 1980-11-06 |
AU532169B2 (en) | 1983-09-22 |
IT1151006B (it) | 1986-12-17 |
DE3064001D1 (en) | 1983-08-11 |
EP0017716B1 (fr) | 1983-07-06 |
AU5743380A (en) | 1980-10-23 |
US4309770A (en) | 1982-01-05 |
IT8020906A1 (it) | 1981-09-26 |
FR2454732A1 (fr) | 1980-11-14 |
JPS5927533B2 (ja) | 1984-07-06 |
CA1151246A (en) | 1983-08-02 |
EP0017716A1 (fr) | 1980-10-29 |
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