IL135510A0 - Improved coding scheme for cable modems - Google Patents
Improved coding scheme for cable modemsInfo
- Publication number
- IL135510A0 IL135510A0 IL13551000A IL13551000A IL135510A0 IL 135510 A0 IL135510 A0 IL 135510A0 IL 13551000 A IL13551000 A IL 13551000A IL 13551000 A IL13551000 A IL 13551000A IL 135510 A0 IL135510 A0 IL 135510A0
- Authority
- IL
- Israel
- Prior art keywords
- modem
- coding scheme
- coders
- cable modems
- convolutional
- Prior art date
Links
Classifications
-
- 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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
- H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
-
- 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
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory 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
- H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
Landscapes
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
- Dc Digital Transmission (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Communication Control (AREA)
- Communication Cables (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/345,054 US6549584B1 (en) | 1999-06-30 | 1999-06-30 | Coding scheme for cable modems |
Publications (1)
Publication Number | Publication Date |
---|---|
IL135510A0 true IL135510A0 (en) | 2001-05-20 |
Family
ID=23353285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL13551000A IL135510A0 (en) | 1999-06-30 | 2000-04-06 | Improved coding scheme for cable modems |
Country Status (7)
Country | Link |
---|---|
US (1) | US6549584B1 (ja) |
EP (1) | EP1065790B1 (ja) |
JP (1) | JP2001045086A (ja) |
AT (1) | ATE236476T1 (ja) |
DE (1) | DE60001878T2 (ja) |
IL (1) | IL135510A0 (ja) |
TW (1) | TW519795B (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7339996B2 (en) | 1999-06-24 | 2008-03-04 | Intel Corporation | Receiver codec super set constellation generator |
US6721357B1 (en) * | 1999-06-24 | 2004-04-13 | Intel Corporation | Constellation generation and re-evaluation |
US6721363B1 (en) * | 1999-06-24 | 2004-04-13 | Intel Corporation | Receiver CODEC super set constellation generator |
US7366470B1 (en) | 1999-06-24 | 2008-04-29 | Intel Corporation | Inter-modulation distortion compensation |
US6724814B1 (en) * | 1999-06-24 | 2004-04-20 | Intel Corporation | Pad and CODEC detection |
US7110923B2 (en) * | 1999-11-04 | 2006-09-19 | Verticalband, Limited | Fast, blind equalization techniques using reliable symbols |
US7085691B2 (en) * | 1999-11-04 | 2006-08-01 | Verticalband, Limited | Reliable symbols as a means of improving the performance of information transmission systems |
US7143013B2 (en) * | 1999-11-04 | 2006-11-28 | Verticalband, Limited | Reliable symbols as a means of improving the performance of information transmission systems |
KR100672400B1 (ko) * | 2000-11-20 | 2007-01-23 | 엘지전자 주식회사 | 케이블 모뎀의 컨피그레이션 파일 다운로드 장치 및 방법 |
US7065151B2 (en) * | 2000-12-21 | 2006-06-20 | Agere Systems Inc. | Channel optimization system |
GB2373690A (en) * | 2001-03-23 | 2002-09-25 | Mitel Corp | Encoding of DMT communications |
US7602816B2 (en) * | 2003-01-13 | 2009-10-13 | Broadcom Corporation | Systems and methods for serial packet synchronization in a voice processing system |
US7613985B2 (en) * | 2003-10-24 | 2009-11-03 | Ikanos Communications, Inc. | Hierarchical trellis coded modulation |
CN101043484A (zh) * | 2006-03-20 | 2007-09-26 | 松下电器产业株式会社 | 一种非均等的多用户高阶调制方法 |
US8166379B1 (en) * | 2006-11-03 | 2012-04-24 | Marvell International Ltd. | Calculating soft information from a multi-level modulation signal |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5233629A (en) | 1991-07-26 | 1993-08-03 | General Instrument Corporation | Method and apparatus for communicating digital data using trellis coded qam |
US5396518A (en) * | 1993-05-05 | 1995-03-07 | Gi Corporation | Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes |
US5511082A (en) | 1994-05-10 | 1996-04-23 | General Instrument Corporation Of Delaware | Punctured convolutional encoder |
US6052821A (en) * | 1996-06-26 | 2000-04-18 | U.S. Philips Corporation | Trellis coded QAM using rate compatible, punctured, convolutional codes |
US6269129B1 (en) * | 1998-04-24 | 2001-07-31 | Lsi Logic Corporation | 64/256 quadrature amplitude modulation trellis coded modulation decoder |
US6351832B1 (en) * | 1999-05-28 | 2002-02-26 | Lucent Technologies Inc. | Turbo code symbol interleaver |
-
1999
- 1999-06-30 US US09/345,054 patent/US6549584B1/en not_active Expired - Lifetime
-
2000
- 2000-04-06 IL IL13551000A patent/IL135510A0/xx unknown
- 2000-04-24 TW TW089107689A patent/TW519795B/zh not_active IP Right Cessation
- 2000-06-16 AT AT00305091T patent/ATE236476T1/de not_active IP Right Cessation
- 2000-06-16 DE DE60001878T patent/DE60001878T2/de not_active Expired - Lifetime
- 2000-06-16 EP EP00305091A patent/EP1065790B1/en not_active Expired - Lifetime
- 2000-06-29 JP JP2000196216A patent/JP2001045086A/ja not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1065790A1 (en) | 2001-01-03 |
US6549584B1 (en) | 2003-04-15 |
JP2001045086A (ja) | 2001-02-16 |
DE60001878D1 (de) | 2003-05-08 |
TW519795B (en) | 2003-02-01 |
DE60001878T2 (de) | 2003-12-18 |
EP1065790B1 (en) | 2003-04-02 |
ATE236476T1 (de) | 2003-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL135510A0 (en) | Improved coding scheme for cable modems | |
AU6186194A (en) | Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes | |
CA2167746A1 (en) | Multilevel Coding for Fractional Bits | |
KR950035433A (ko) | 연결 코딩을 이용한 다레벨 변조 데이터의 통신방법 및 그 장치 | |
EP0525641A3 (en) | Communication system using trellis coded qam | |
TW265502B (en) | Rotationally invariant trellis coding incorporating transparent binary convolutional codes | |
CA2337657A1 (en) | Multilevel coding with unequal error protection and time diversity for bandwidth efficient transmission | |
EP0185496A3 (en) | Error-correction coding for multilevel transmission system | |
CA2106848A1 (en) | Frame Synchronisation for QAM | |
ATE349123T1 (de) | Terminierung von kodierter oder unkodierter modulation mit pfad-orientiertem dekodierer | |
KR940001863B1 (ko) | 비트에러에 의한 잡음 발생을 저감하는 피씨엠 송수신 방식 | |
EP0949779A3 (en) | Encoding methods and apparatus | |
JPH08116341A (ja) | ディジタル変調装置及び復調装置 | |
TW324872B (en) | Apparatus for encoding and decoding information in a digital communication system | |
TH20102A (th) | อุปกรณ์สำหรับการดีมอคูเลท และการถอดรหัสข้อมูลโทรทัศน์แบบดิจิตอลที่มีการส่งผ่านดาวเทียม การส่งภาคพื้นดินและการส่งตามสายเคเบิล | |
TH20952EX (th) | ระบบการเข้ารหัส/การถอดรหัสสัญญาณ qam |