CH576216A5 - - Google Patents
Info
- Publication number
- CH576216A5 CH576216A5 CH1315574A CH1315574A CH576216A5 CH 576216 A5 CH576216 A5 CH 576216A5 CH 1315574 A CH1315574 A CH 1315574A CH 1315574 A CH1315574 A CH 1315574A CH 576216 A5 CH576216 A5 CH 576216A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/4025—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code constant length to or from Morse code conversion
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Detection And Correction Of Errors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US418351A US3872430A (en) | 1973-11-23 | 1973-11-23 | Method and apparatus of error detection for variable length words using a polynomial code |
Publications (1)
Publication Number | Publication Date |
---|---|
CH576216A5 true CH576216A5 (fr) | 1976-05-31 |
Family
ID=23657759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1315574A CH576216A5 (fr) | 1973-11-23 | 1974-09-30 |
Country Status (10)
Country | Link |
---|---|
US (1) | US3872430A (fr) |
JP (1) | JPS558856B2 (fr) |
CA (1) | CA1017867A (fr) |
CH (1) | CH576216A5 (fr) |
DE (1) | DE2447255B2 (fr) |
FR (1) | FR2252603B1 (fr) |
GB (1) | GB1469465A (fr) |
IT (1) | IT1025687B (fr) |
NL (1) | NL7415304A (fr) |
SE (1) | SE399793B (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54132350A (en) * | 1977-09-16 | 1979-10-15 | Hiroshi Ise | Hydrant with water storage tank |
US4216540A (en) * | 1978-11-09 | 1980-08-05 | Control Data Corporation | Programmable polynomial generator |
WO1983002344A1 (fr) * | 1981-12-30 | 1983-07-07 | Meltzer, David | Systeme d'information utilisant un syndrome d'erreur pour une commande speciale |
JPS58147807A (ja) * | 1982-02-26 | 1983-09-02 | Toshiba Corp | 誤り訂正回路 |
CA1212437A (fr) * | 1983-03-04 | 1986-10-07 | Radyne Corporation | Systeme de transmission de donnees avec codage des donnees a correction des erreurs |
EP0162962B1 (fr) * | 1984-05-29 | 1991-03-06 | Siemens Aktiengesellschaft | Procédé et dispositif de contrôle du synchronisme d'appareils de chiffrage |
US4723244A (en) * | 1985-10-01 | 1988-02-02 | Harris Corporation | Method and apparatus for preserving the integrity of the error detection/correction word in a code word |
US4712215A (en) * | 1985-12-02 | 1987-12-08 | Advanced Micro Devices, Inc. | CRC calculation machine for separate calculation of checkbits for the header packet and data packet |
GB2242104B (en) * | 1990-02-06 | 1994-04-13 | Digital Equipment Int | Method and apparatus for generating a frame check sequence |
GB9015426D0 (en) * | 1990-07-13 | 1990-08-29 | Indep Broadcasting Authority | Error protection for variable length codestreams |
US5251215A (en) * | 1992-01-13 | 1993-10-05 | At&T Bell Laboratories | Modifying check codes in data packet transmission |
GB9213272D0 (en) | 1992-06-23 | 1992-08-05 | Digital Equipment Int | Check sequence preservation |
US5768629A (en) * | 1993-06-24 | 1998-06-16 | Discovision Associates | Token-based adaptive video processing arrangement |
USRE38391E1 (en) | 1993-12-23 | 2004-01-20 | Stmicroelectronics S.A. | Circuit for detecting word sequences in a modem |
GB9419785D0 (en) * | 1994-09-30 | 1994-11-16 | Plessey Telecomm | Cyclic redundancy code checking |
US6111922A (en) * | 1994-12-20 | 2000-08-29 | Sgs-Thomson Microelectronics S.A. | Circuit for detecting word sequences in a modem |
US6119213A (en) * | 1995-06-07 | 2000-09-12 | Discovision Associates | Method for addressing data having variable data width using a fixed number of bits for address and width defining fields |
GB9622539D0 (en) * | 1996-10-30 | 1997-01-08 | Discovision Ass | Galois field multiplier for reed-solomon decoder |
US5951707A (en) * | 1997-06-27 | 1999-09-14 | International Business Machines Corporation | Method of partitioning CRC calculation for a low-cost ATM adapter |
US6681364B1 (en) | 1999-09-24 | 2004-01-20 | International Business Machines Corporation | Cyclic redundancy check for partitioned frames |
CN102480760B (zh) * | 2010-11-23 | 2014-09-10 | 中兴通讯股份有限公司 | 系统间链路协议帧丢帧处理、补偿帧判别方法及装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638182A (en) * | 1970-01-02 | 1972-01-25 | Bell Telephone Labor Inc | Random and burst error-correcting arrangement with guard space error correction |
US3646518A (en) * | 1970-05-05 | 1972-02-29 | Bell Telephone Labor Inc | Feedback error control system |
US3648238A (en) * | 1970-05-15 | 1972-03-07 | Precision Instr Co | Error-correcting encoder and decoder for asymmetric binary data channels |
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1973
- 1973-11-23 US US418351A patent/US3872430A/en not_active Expired - Lifetime
-
1974
- 1974-09-18 GB GB4059474A patent/GB1469465A/en not_active Expired
- 1974-09-30 CH CH1315574A patent/CH576216A5/xx not_active IP Right Cessation
- 1974-10-03 DE DE2447255A patent/DE2447255B2/de active Granted
- 1974-10-09 FR FR7434703A patent/FR2252603B1/fr not_active Expired
- 1974-10-16 JP JP11831674A patent/JPS558856B2/ja not_active Expired
- 1974-11-01 CA CA212,863A patent/CA1017867A/en not_active Expired
- 1974-11-14 IT IT29422/74A patent/IT1025687B/it active
- 1974-11-18 SE SE7414446A patent/SE399793B/xx not_active IP Right Cessation
- 1974-11-22 NL NL7415304A patent/NL7415304A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
SE7414446L (fr) | 1975-05-26 |
NL7415304A (nl) | 1975-05-27 |
DE2447255B2 (de) | 1975-10-23 |
SE399793B (sv) | 1978-02-27 |
FR2252603A1 (fr) | 1975-06-20 |
IT1025687B (it) | 1978-08-30 |
JPS558856B2 (fr) | 1980-03-06 |
US3872430A (en) | 1975-03-18 |
FR2252603B1 (fr) | 1976-10-22 |
DE2447255A1 (de) | 1975-06-12 |
JPS5085201A (fr) | 1975-07-09 |
CA1017867A (en) | 1977-09-20 |
GB1469465A (en) | 1977-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |