JP2001503227A - 信号処理方法および等化器エラーを減少させる装置 - Google Patents
信号処理方法および等化器エラーを減少させる装置Info
- Publication number
- JP2001503227A JP2001503227A JP10520372A JP52037298A JP2001503227A JP 2001503227 A JP2001503227 A JP 2001503227A JP 10520372 A JP10520372 A JP 10520372A JP 52037298 A JP52037298 A JP 52037298A JP 2001503227 A JP2001503227 A JP 2001503227A
- Authority
- JP
- Japan
- Prior art keywords
- symbol
- error
- value
- signal
- symbol value
- 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.)
- Pending
Links
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- 238000000034 method Methods 0.000 claims description 75
- 238000012545 processing Methods 0.000 claims description 11
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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
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a 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)
- Dc Digital Transmission (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/739,752 US5742642A (en) | 1996-10-29 | 1996-10-29 | Signal processing method and apparatus for reducing equalizer error |
| US08/739,752 | 1996-10-29 | ||
| PCT/SE1997/001798 WO1998019432A1 (en) | 1996-10-29 | 1997-10-28 | Signal processing method and apparatus for reducing equalizer error |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001503227A true JP2001503227A (ja) | 2001-03-06 |
| JP2001503227A5 JP2001503227A5 (enExample) | 2005-07-14 |
Family
ID=24973639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10520372A Pending JP2001503227A (ja) | 1996-10-29 | 1997-10-28 | 信号処理方法および等化器エラーを減少させる装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5742642A (enExample) |
| EP (1) | EP0965206A1 (enExample) |
| JP (1) | JP2001503227A (enExample) |
| CN (1) | CN1104794C (enExample) |
| AU (1) | AU4889397A (enExample) |
| WO (1) | WO1998019432A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8743944B2 (en) | 2006-09-14 | 2014-06-03 | Nec Corporation | Decision feedback equalizing method and equalizer |
Families Citing this family (54)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5809033A (en) | 1995-08-18 | 1998-09-15 | Adtran, Inc. | Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link |
| US6192087B1 (en) | 1996-11-15 | 2001-02-20 | Conexant Systems, Inc. | Method and apparatus for spectral shaping in signal-point limited transmission systems |
| US6278744B1 (en) | 1996-11-15 | 2001-08-21 | Conexant Systems, Inc. | System for controlling and shaping the spectrum and redundancy of signal-point limited transmission |
| US6198753B1 (en) * | 1997-05-20 | 2001-03-06 | Alcatel Usa Sourcing, L.P. | Method and apparatus for facilitating an interface to a digital signal processor |
| CA2296382C (en) * | 1997-07-24 | 2007-09-11 | Kabushiki Kaisha Kenwood | Received signal phase detecting circuit |
| US6067655A (en) * | 1997-08-28 | 2000-05-23 | Stmicroelectronics, N.V. | Burst error limiting symbol detector system |
| US6144697A (en) * | 1998-02-02 | 2000-11-07 | Purdue Research Foundation | Equalization techniques to reduce intersymbol interference |
| US6141783A (en) * | 1998-04-10 | 2000-10-31 | International Business Machines Corporation | Error propagation limiting encoder/decoder for multilevel decision feedback equalization |
| US6724844B1 (en) * | 1998-06-30 | 2004-04-20 | Koninklijke Philips Electronics N.V. | Method and device for improving DFE performance in a trellis-coded system |
| US6532272B1 (en) | 1998-08-12 | 2003-03-11 | New Mexico State University Technology Transfer Corporation | RAM-search processor for intersymbol interference cancellation |
| US6389064B1 (en) * | 1999-03-08 | 2002-05-14 | International Business Machines Corporation | Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments |
| US6661837B1 (en) | 1999-03-08 | 2003-12-09 | International Business Machines Corporation | Modems, methods, and computer program products for selecting an optimum data rate using error signals representing the difference between the output of an equalizer and the output of a slicer or detector |
| US6553518B1 (en) | 1999-03-08 | 2003-04-22 | International Business Machines Corporation | Severe error detectors, methods and computer program products that use constellation specific error event thresholds to detect severe error events during demodulation of a signal comprising symbols from a plurality of symbol constellations |
| US6341360B1 (en) | 1999-03-08 | 2002-01-22 | International Business Machines Corporation | Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto |
| US7003030B2 (en) | 1999-03-08 | 2006-02-21 | Lenovo (Singapore) Pte. Ltd. | Receivers, methods, and computer program products for an analog modem that receives data signals from a digital modem |
| US6381267B1 (en) | 1999-03-08 | 2002-04-30 | International Business Machines Corporation | Modems, methods, and computer program products for falling back to a lower data rate protocol upon detecting abnormal line conditions during startup |
| US6487243B1 (en) | 1999-03-08 | 2002-11-26 | International Business Machines Corporation | Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems |
| US6661847B1 (en) | 1999-05-20 | 2003-12-09 | International Business Machines Corporation | Systems methods and computer program products for generating and optimizing signal constellations |
| US6690754B1 (en) * | 1999-06-04 | 2004-02-10 | Agere Systems Inc. | Method and apparatus for reducing the computational complexity and relaxing the critical path of reduced state sequence estimation (RSSE) techniques |
| US6690715B2 (en) | 1999-06-29 | 2004-02-10 | Intersil Americas Inc. | Rake receiver with embedded decision feedback equalizer |
| US6567467B1 (en) * | 1999-09-21 | 2003-05-20 | Intel Corporation | Receiver having a comparator based decision feedback equalizer |
| GB2355629B (en) * | 1999-10-18 | 2004-02-11 | Mitel Corp | Precursor decision feedback equalizer (PDFE) |
| US7110923B2 (en) * | 1999-11-04 | 2006-09-19 | Verticalband, Limited | Fast, blind equalization techniques using reliable symbols |
| US7143013B2 (en) * | 1999-11-04 | 2006-11-28 | Verticalband, Limited | Reliable symbols as a means of improving the performance of information transmission systems |
| US7085691B2 (en) * | 1999-11-04 | 2006-08-01 | Verticalband, Limited | Reliable symbols as a means of improving the performance of information transmission systems |
| US6690739B1 (en) | 2000-01-14 | 2004-02-10 | Shou Yee Mui | Method for intersymbol interference compensation |
| US7079586B1 (en) | 2000-03-16 | 2006-07-18 | Koninklijke Philips Electronics N.V. | Systems and methods for optimal distribution of symbols in a fixed size data packet to improve receiver performance |
| WO2002005544A1 (en) * | 2000-07-06 | 2002-01-17 | Seiko Epson Corporation | Image processing method, recording medium, and image processing device |
| US20020089941A1 (en) * | 2001-01-05 | 2002-07-11 | Chien-Meen Hwang | Network receiver utilizing sample management buffers |
| US7133442B2 (en) * | 2001-03-29 | 2006-11-07 | Hewlett-Packard Development Company, L.P. | Rapid identification of transmission media channel characteristics |
| CN100527642C (zh) * | 2002-10-25 | 2009-08-12 | Gct半导体公司 | 接收机中减少信号失真的方法和系统、isi消除器及接收机 |
| ATE494659T1 (de) * | 2003-11-25 | 2011-01-15 | Ericsson Telefon Ab L M | Leistungsverstärker-vorverzerrer-training |
| CN102739300A (zh) | 2004-03-05 | 2012-10-17 | 高通股份有限公司 | 用于无线通信中的接收分集控制的设备 |
| US8074126B1 (en) * | 2006-06-07 | 2011-12-06 | Marvell International Ltd. | Non-intrusive eye monitor system |
| KR100747552B1 (ko) * | 2006-11-22 | 2007-08-08 | 한국전자통신연구원 | Ｆｆｔ를 이용한 결정 귀환 등화기의 초기 계수 획득 장치및 그 방법 |
| US8804809B2 (en) | 2011-09-12 | 2014-08-12 | Transwitch Corporation | Techniques for setting feedback coefficients of a PAM-N decision feedback equalizer |
| US8842721B1 (en) * | 2011-09-25 | 2014-09-23 | Integrated Device Technology, Inc. | Method and apparatus for channel equalization in high speed S-RIO based communication systems |
| US8966353B2 (en) * | 2011-10-31 | 2015-02-24 | Hewlett-Packard Development Company L.P. | Receiver with tap-coefficient adjustments |
| TWI533646B (zh) * | 2014-06-10 | 2016-05-11 | 晨星半導體股份有限公司 | 配合可變增益放大器之信號處理系統及信號處理方法 |
| CN105282466B (zh) * | 2014-06-30 | 2018-07-06 | 晨星半导体股份有限公司 | 配合可变增益放大器的信号处理系统及信号处理方法 |
| US9621445B2 (en) | 2015-01-25 | 2017-04-11 | Valens Semiconductor Ltd. | Utilizing known data for status signaling |
| US10171182B2 (en) | 2015-01-25 | 2019-01-01 | Valens Semiconductor Ltd. | Sending known data to support fast convergence |
| CN107360109A (zh) | 2015-01-25 | 2017-11-17 | 瓦伦斯半导体有限责任公司 | 在不到1毫秒内从质量劣化恢复的收发器和方法 |
| US10256920B2 (en) | 2015-01-25 | 2019-04-09 | Valens Semiconductor Ltd. | Mode-conversion digital canceller for high bandwidth differential signaling |
| US9685991B2 (en) | 2015-01-25 | 2017-06-20 | Valens Semiconductor Ltd. | Reducing transmission rate to support fast convergence |
| CN109873777B (zh) * | 2017-12-01 | 2021-12-17 | 华为技术有限公司 | 一种纠错方法和纠错装置 |
| US11231740B2 (en) * | 2019-02-06 | 2022-01-25 | Credo Technology Group Limited | Clock recovery using between-interval timing error estimation |
| WO2021028026A1 (en) * | 2019-08-13 | 2021-02-18 | Huawei Technologies Co., Ltd. | Noise cancelling device and method for a receiver |
| CN111447161B (zh) * | 2020-04-03 | 2023-03-28 | 杭州易百德微电子有限公司 | 判决方法和判决模块 |
| US11201693B2 (en) * | 2020-04-28 | 2021-12-14 | Maxlinear, Inc. | Receiver filtering |
| CN118525457A (zh) * | 2021-12-21 | 2024-08-20 | 华为技术有限公司 | 接收机、接收方法和光通信系统 |
| US11582073B1 (en) * | 2022-01-31 | 2023-02-14 | Mellanox Technologies, Ltd. | Sequence estimation system and method |
| US11677420B1 (en) * | 2022-03-01 | 2023-06-13 | Western Digital Technologies, Inc. | Externalizing inter-symbol interference data in a data channel |
| US11811566B2 (en) * | 2022-03-22 | 2023-11-07 | Samsung Electronics Co., Ltd. | Methods and systems for performing adaptive equalization of data |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879664A (en) * | 1973-05-07 | 1975-04-22 | Signatron | High speed digital communication receiver |
| US3974449A (en) * | 1975-03-21 | 1976-08-10 | Bell Telephone Laboratories, Incorporated | Joint decision feedback equalization and carrier recovery adaptation in data transmission systems |
| USRE31351E (en) * | 1978-08-04 | 1983-08-16 | Bell Telephone Laboratories, Incorporated | Feedback nonlinear equalization of modulated data signals |
| JPS5927133B2 (ja) * | 1979-02-21 | 1984-07-03 | 日本電気株式会社 | 適応型受信機 |
| US4468786A (en) * | 1982-09-21 | 1984-08-28 | Harris Corporation | Nonlinear equalizer for correcting intersymbol interference in a digital data transmission system |
| FI85548C (fi) * | 1990-06-14 | 1992-04-27 | Nokia Oy Ab | Mottagningsfoerfarande och mottagare foer diskreta signaler. |
| CA2047557C (en) * | 1990-07-20 | 1996-12-10 | Mitsuo Kakuishi | Received data adjusting device |
| CA2076997C (en) * | 1991-09-30 | 1996-12-10 | James C. Baker | Apparatus and method for adaptively filtering a time-varying signal using multiple filtering algorithms |
| JP2780576B2 (ja) * | 1992-08-05 | 1998-07-30 | 日本電気株式会社 | 干渉波除去装置 |
| US5517527A (en) * | 1992-12-11 | 1996-05-14 | Industrial Technology Research Institute | Adaptive equalizer for ISDN U-interface transceiver |
| US5513216A (en) * | 1994-10-13 | 1996-04-30 | At&T Corp. | Hybrid equalizer arrangement for use in data communications equipment |
| US5604769A (en) * | 1994-10-13 | 1997-02-18 | Lucent Technologies Inc. | Hybrid equalizer arrangement for use in data communications equipment |
| US5572262A (en) * | 1994-12-29 | 1996-11-05 | Philips Electronics North America Corporation | Receiver based methods and devices for combating co-channel NTSC interference in digital transmission |
| JP3270289B2 (ja) * | 1995-03-15 | 2002-04-02 | 日本電気株式会社 | 判定帰還形等化器 |
| JP2669393B2 (ja) * | 1995-04-11 | 1997-10-27 | 日本電気株式会社 | 干渉波除去装置 |
-
1996
- 1996-10-29 US US08/739,752 patent/US5742642A/en not_active Expired - Lifetime
-
1997
- 1997-10-28 WO PCT/SE1997/001798 patent/WO1998019432A1/en not_active Ceased
- 1997-10-28 CN CN97181010.9A patent/CN1104794C/zh not_active Expired - Fee Related
- 1997-10-28 EP EP97911553A patent/EP0965206A1/en not_active Withdrawn
- 1997-10-28 JP JP10520372A patent/JP2001503227A/ja active Pending
- 1997-10-28 AU AU48893/97A patent/AU4889397A/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8743944B2 (en) | 2006-09-14 | 2014-06-03 | Nec Corporation | Decision feedback equalizing method and equalizer |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0965206A1 (en) | 1999-12-22 |
| WO1998019432A1 (en) | 1998-05-07 |
| CN1242121A (zh) | 2000-01-19 |
| US5742642A (en) | 1998-04-21 |
| CN1104794C (zh) | 2003-04-02 |
| AU4889397A (en) | 1998-05-22 |
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