FR2611332B1 - Appareil de codage et decodeur pour systemes de transmission a canal a reponse partielle - Google Patents
Appareil de codage et decodeur pour systemes de transmission a canal a reponse partielleInfo
- Publication number
- FR2611332B1 FR2611332B1 FR8802253A FR8802253A FR2611332B1 FR 2611332 B1 FR2611332 B1 FR 2611332B1 FR 8802253 A FR8802253 A FR 8802253A FR 8802253 A FR8802253 A FR 8802253A FR 2611332 B1 FR2611332 B1 FR 2611332B1
- Authority
- FR
- France
- Prior art keywords
- decoder
- encoding apparatus
- channel transmission
- transmission systems
- partial response
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
- H04L27/3427—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
- H04L27/3438—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation using an underlying generalised cross constellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1834587A | 1987-02-24 | 1987-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2611332A1 FR2611332A1 (fr) | 1988-08-26 |
FR2611332B1 true FR2611332B1 (fr) | 1992-09-11 |
Family
ID=21787463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8802253A Expired - Lifetime FR2611332B1 (fr) | 1987-02-24 | 1988-02-24 | Appareil de codage et decodeur pour systemes de transmission a canal a reponse partielle |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPH06103895B2 (fr) |
AU (1) | AU621536B2 (fr) |
CA (1) | CA1306543C (fr) |
DE (1) | DE3805582C2 (fr) |
FR (1) | FR2611332B1 (fr) |
GB (1) | GB2201567B (fr) |
HK (1) | HK41592A (fr) |
NL (1) | NL8800474A (fr) |
SG (1) | SG37292G (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2012914C (fr) * | 1989-05-12 | 1999-05-04 | Vedat M. Eyuboglu | Precodage par treillis pour systemes de modulation |
CA2014867A1 (fr) * | 1989-05-12 | 1990-11-12 | G. David Forney, Jr. | Systemes genelalises de signalisation de reponse partielle |
CH685525A5 (de) * | 1990-03-12 | 1995-07-31 | Ascom Radiocom Ag | Verfahren zur trelliscodierten Modulation. |
US5164963A (en) * | 1990-11-07 | 1992-11-17 | At&T Bell Laboratories | Coding for digital transmission |
DE4201439A1 (de) * | 1992-01-21 | 1993-07-22 | Daimler Benz Ag | Verfahren und anordnung zur uebertragung hoher datenraten fuer den digitalen rundfunk |
FR2740286B1 (fr) * | 1995-10-23 | 1998-01-02 | Inst Eurecom | Dispositif et procede de communication hybride numerique- analogique sur un canal telephonique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1250924A (fr) * | 1969-06-25 | 1971-10-27 | ||
CH609510A5 (fr) * | 1976-06-18 | 1979-02-28 | Ibm | |
DE2836445C2 (de) * | 1978-08-19 | 1979-11-15 | Te Ka De Felten & Guilleaume Fernmeldeanlagen Gmbh, 8500 Nuernberg | Schaltungsanordnung zur Fehlererkennung in Digitalsignalen |
GB2118006B (en) * | 1982-03-19 | 1985-09-04 | Gen Electric Co Plc | Transmission systems |
EP0178077B1 (fr) * | 1984-10-02 | 1989-11-15 | Kabushiki Kaisha Toshiba | Appareil de tête optique pour l'enregistrement et la reproduction de données sur un milieu d'enregistrement |
NL8403366A (nl) * | 1984-11-06 | 1986-06-02 | Philips Nv | Inrichting voor het bewaken van een cmi-codeomvormer. |
NL8601603A (nl) * | 1986-06-20 | 1988-01-18 | Philips Nv | Kanaalcoderingsinrichting. |
-
1988
- 1988-02-22 AU AU12040/88A patent/AU621536B2/en not_active Expired
- 1988-02-23 CA CA000559516A patent/CA1306543C/fr not_active Expired - Lifetime
- 1988-02-23 DE DE19883805582 patent/DE3805582C2/de not_active Expired - Lifetime
- 1988-02-24 FR FR8802253A patent/FR2611332B1/fr not_active Expired - Lifetime
- 1988-02-24 NL NL8800474A patent/NL8800474A/nl not_active Application Discontinuation
- 1988-02-24 GB GB8804283A patent/GB2201567B/en not_active Expired - Lifetime
- 1988-02-24 JP JP63041783A patent/JPH06103895B2/ja not_active Expired - Lifetime
-
1992
- 1992-04-03 SG SG37292A patent/SG37292G/en unknown
- 1992-06-11 HK HK41592A patent/HK41592A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2611332A1 (fr) | 1988-08-26 |
NL8800474A (nl) | 1988-09-16 |
AU621536B2 (en) | 1992-03-19 |
CA1306543C (fr) | 1992-08-18 |
DE3805582A1 (de) | 1988-09-01 |
GB8804283D0 (en) | 1988-03-23 |
SG37292G (en) | 1992-05-22 |
JPH06103895B2 (ja) | 1994-12-14 |
AU1204088A (en) | 1988-09-08 |
GB2201567A (en) | 1988-09-01 |
GB2201567B (en) | 1991-09-25 |
HK41592A (en) | 1992-06-19 |
JPS63240154A (ja) | 1988-10-05 |
DE3805582C2 (de) | 2001-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |