DE69429037D1 - Nichtlineare Kodierung für Kanälen mit Intersymbolstörungen - Google Patents
Nichtlineare Kodierung für Kanälen mit IntersymbolstörungenInfo
- Publication number
- DE69429037D1 DE69429037D1 DE69429037T DE69429037T DE69429037D1 DE 69429037 D1 DE69429037 D1 DE 69429037D1 DE 69429037 T DE69429037 T DE 69429037T DE 69429037 T DE69429037 T DE 69429037T DE 69429037 D1 DE69429037 D1 DE 69429037D1
- Authority
- DE
- Germany
- Prior art keywords
- channels
- intersymbol interference
- nonlinear coding
- nonlinear
- coding
- 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 - Fee Related
Links
Classifications
-
- 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
- H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS
-
- 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
- H04L25/03343—Arrangements at the transmitter end
-
- 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
- H04L25/4917—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 using multilevel codes
- H04L25/4927—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 using multilevel codes using levels matched to the quantisation levels of the channel
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9350893A | 1993-07-16 | 1993-07-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69429037D1 true DE69429037D1 (de) | 2001-12-20 |
DE69429037T2 DE69429037T2 (de) | 2002-08-14 |
Family
ID=22239346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69429037T Expired - Fee Related DE69429037T2 (de) | 1993-07-16 | 1994-07-06 | Nichtlineare Kodierung für Kanälen mit Intersymbolstörungen |
Country Status (5)
Country | Link |
---|---|
US (1) | US5559835A (de) |
EP (1) | EP0634856B1 (de) |
JP (1) | JP3595574B2 (de) |
CA (1) | CA2124376A1 (de) |
DE (1) | DE69429037T2 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3321976B2 (ja) * | 1994-04-01 | 2002-09-09 | 富士通株式会社 | 信号処理装置および信号処理方法 |
US5508752A (en) * | 1994-04-12 | 1996-04-16 | Lg Electronics Inc. | Partial response trellis decoder for high definition television (HDTV) system |
US5878077A (en) * | 1995-10-10 | 1999-03-02 | Paradyne Corporation | Apparatus for high-speed simultaneous voice/data communications |
JP3140974B2 (ja) * | 1996-03-31 | 2001-03-05 | 富士通株式会社 | 判定方法及びプリコーダ装置 |
US5995548A (en) * | 1996-11-15 | 1999-11-30 | 3Com Corporation | Signaling method using multiple modulus shell mapping |
US5812601A (en) * | 1996-11-15 | 1998-09-22 | Telefonaktiebolaget Lm Ericsson | Coding for higher-level modulation |
WO1998025384A2 (en) * | 1996-12-04 | 1998-06-11 | Fernway Limited | A method for trellis coding a logarithmic distribution of constellation points |
US6081555A (en) * | 1996-12-04 | 2000-06-27 | Conexant Systems, Inc. | Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communications system |
AU6345198A (en) * | 1997-03-03 | 1998-09-22 | 3Com Corporation | Signalling method using multiple modulus conversion and shell mapping |
US6084883A (en) * | 1997-07-07 | 2000-07-04 | 3Com Corporation | Efficient data transmission over digital telephone networks using multiple modulus conversion |
US6084915A (en) * | 1997-03-03 | 2000-07-04 | 3Com Corporation | Signaling method having mixed-base shell map indices |
US6014447A (en) * | 1997-03-20 | 2000-01-11 | Raytheon Company | Passive vehicle classification using low frequency electro-magnetic emanations |
US5881074A (en) * | 1997-03-25 | 1999-03-09 | Level One Communications, Inc. | 1000base-t packetized trellis coder |
US6301683B1 (en) | 1997-06-09 | 2001-10-09 | Vocal Technologies, Ltd. | Trellis encoding technique for PCM modems |
US6088827A (en) * | 1997-08-28 | 2000-07-11 | Level One Communications, Inc. | 1000BASE-T packetized trellis coder |
US6104761A (en) | 1998-08-28 | 2000-08-15 | Sicom, Inc. | Constrained-envelope digital-communications transmission system and method therefor |
US6185175B1 (en) | 1998-12-02 | 2001-02-06 | Cirrus Logic, Inc. | Sampled amplitude read channel employing noise whitening in a remod/demod sequence detector |
US6414989B1 (en) * | 1999-09-10 | 2002-07-02 | Conexant Systems, Inc. | Upstream PCM transmission for a modem system |
US6690739B1 (en) * | 2000-01-14 | 2004-02-10 | Shou Yee Mui | Method for intersymbol interference compensation |
US7055088B2 (en) | 2000-02-11 | 2006-05-30 | Paradyne Corporation | Interleaved generalized convolutional encoder |
US6715124B1 (en) * | 2000-02-14 | 2004-03-30 | Paradyne Corporation | Trellis interleaver and feedback precoder |
AU2001243566A1 (en) * | 2000-03-10 | 2001-09-24 | Broadcom Corporation | Architecture for very high-speed decision feedback sequence estimation |
US7251270B2 (en) | 2000-06-20 | 2007-07-31 | Paradyne Corporation | Systems and methods for fractional bit rate encoding in a communication system |
JP4393111B2 (ja) * | 2003-05-27 | 2010-01-06 | 三菱電機株式会社 | ハーフレートcdr回路 |
US7283590B2 (en) * | 2003-09-10 | 2007-10-16 | Texas Instruments Incorporated | Signal processing approach for channel coding based on inter-symbol-interference insertion |
US7936851B2 (en) * | 2004-02-20 | 2011-05-03 | Nokia Corporation | Channel equalization |
US20050239500A1 (en) * | 2004-04-05 | 2005-10-27 | Haixian Liu | Method and apparatus for dual mode mobile handset |
CN1973472A (zh) * | 2004-06-21 | 2007-05-30 | 皇家飞利浦电子股份有限公司 | 利用星座子集映射的数据流调制 |
EP1912397A1 (de) * | 2005-08-01 | 2008-04-16 | National Institute of Advanced Industrial Science and Technology | Signalübertragungsvorrichtung und signalübertragungsverfahren |
JP4583313B2 (ja) * | 2006-01-31 | 2010-11-17 | 株式会社デンソー | 車両用制御装置 |
US8151174B2 (en) * | 2008-02-13 | 2012-04-03 | Sunrise IP, LLC | Block modulus coding (BMC) systems and methods for block coding with non-binary modulus |
WO2011078752A1 (en) * | 2009-12-21 | 2011-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Data modulation |
US9031178B2 (en) * | 2013-08-27 | 2015-05-12 | Broadcom | Generalized transmit pre-coding for optical and backplane channels |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040191A (en) * | 1987-02-24 | 1991-08-13 | Codex Corporation | Partial response channel signaling systems |
US5022053A (en) * | 1989-04-10 | 1991-06-04 | At&T Bell Laboratories | Data communications with alternation of signaling constellations |
US5159610A (en) * | 1989-05-12 | 1992-10-27 | Codex Corporation | Trellis precoding for modulation systems |
US4941154A (en) * | 1989-05-30 | 1990-07-10 | At&T Bell Laboratories | Trellis coding method and arrangement for fractional bit rates |
US5095497A (en) | 1989-10-02 | 1992-03-10 | At & T Bell Laboratories | Technique for achieving the full coding gain of encoded digital signals |
US5195107A (en) * | 1990-12-11 | 1993-03-16 | At&T Bell Laboratories | Technique for compensating for intersymbol interference |
US5249200A (en) * | 1991-07-30 | 1993-09-28 | Codex Corporation | Device and method for combining precoding with symbol-rate spectral shaping |
US5265127A (en) * | 1991-09-03 | 1993-11-23 | At&T Bell Laboratories | Non-linear encoder and decoder for information transmission through non-linear channels |
-
1994
- 1994-05-26 CA CA002124376A patent/CA2124376A1/en not_active Abandoned
- 1994-07-06 DE DE69429037T patent/DE69429037T2/de not_active Expired - Fee Related
- 1994-07-06 EP EP94304979A patent/EP0634856B1/de not_active Expired - Lifetime
- 1994-07-15 JP JP18512994A patent/JP3595574B2/ja not_active Expired - Fee Related
-
1995
- 1995-02-21 US US08/391,328 patent/US5559835A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0634856A3 (de) | 1995-05-31 |
CA2124376A1 (en) | 1995-01-17 |
JP3595574B2 (ja) | 2004-12-02 |
US5559835A (en) | 1996-09-24 |
EP0634856A2 (de) | 1995-01-18 |
DE69429037T2 (de) | 2002-08-14 |
JPH07154443A (ja) | 1995-06-16 |
EP0634856B1 (de) | 2001-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |