DE3473107D1 - Method and system for determining the optimum position of the reference coefficient of an adaptive equalizer - Google Patents
Method and system for determining the optimum position of the reference coefficient of an adaptive equalizerInfo
- Publication number
- DE3473107D1 DE3473107D1 DE8484201629T DE3473107T DE3473107D1 DE 3473107 D1 DE3473107 D1 DE 3473107D1 DE 8484201629 T DE8484201629 T DE 8484201629T DE 3473107 T DE3473107 T DE 3473107T DE 3473107 D1 DE3473107 D1 DE 3473107D1
- Authority
- DE
- Germany
- Prior art keywords
- determining
- optimum position
- adaptive equalizer
- reference coefficient
- coefficient
- 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
Links
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)
- Filters That Use Time-Delay Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8318027A FR2554996B1 (fr) | 1983-11-14 | 1983-11-14 | Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatif |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3473107D1 true DE3473107D1 (en) | 1988-09-01 |
Family
ID=9294059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484201629T Expired DE3473107D1 (en) | 1983-11-14 | 1984-11-12 | Method and system for determining the optimum position of the reference coefficient of an adaptive equalizer |
Country Status (7)
Country | Link |
---|---|
US (1) | US4633482A (de) |
EP (1) | EP0146979B1 (de) |
JP (1) | JPS60117827A (de) |
AU (1) | AU575517B2 (de) |
CA (1) | CA1214224A (de) |
DE (1) | DE3473107D1 (de) |
FR (1) | FR2554996B1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4843583A (en) * | 1985-10-15 | 1989-06-27 | Rockwell International Corporation | Nonlinear adaptive filter |
GB2214386A (en) * | 1988-01-08 | 1989-08-31 | Philips Electronic Associated | Signal equaliser |
DE69226130T2 (de) * | 1991-04-23 | 1999-02-11 | Philips Electronics Nv | Halbrekursiver adaptiver Entzerrer |
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 |
US5267266A (en) * | 1992-05-11 | 1993-11-30 | Bell Communications Research, Inc. | Fast converging adaptive equalizer using pilot adaptive filters |
US5648987A (en) * | 1994-03-24 | 1997-07-15 | Samsung Electronics Co., Ltd. | Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers |
US6049574A (en) * | 1998-04-17 | 2000-04-11 | Trustees Of Tufts College | Blind adaptive equalization using cost function that measures dissimilarity between the probability distributions of source and equalized signals |
FR2799074A1 (fr) * | 1999-09-28 | 2001-03-30 | Koninkl Philips Electronics Nv | Dispositif de recuperation du rythme d'horloge utilisant un egaliseur fixe |
US7486722B2 (en) | 2001-04-18 | 2009-02-03 | Bae Systems Information And Electronic Systems Integration Inc. | Bandwidth efficient cable network modem |
US20050163205A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Equalized signal path with predictive subtraction signal and method therefor |
US20050163208A1 (en) * | 2004-01-27 | 2005-07-28 | Crestcom, Inc. | Equalized signal path with predictive subtraction signal and method therefor |
US7430248B2 (en) * | 2004-01-27 | 2008-09-30 | Crestcom, Inc. | Predistortion circuit and method for compensating nonlinear distortion in a digital RF communications transmitter |
US7342976B2 (en) * | 2004-01-27 | 2008-03-11 | Crestcom, Inc. | Predistortion circuit and method for compensating A/D and other distortion in a digital RF communications transmitter |
US7469491B2 (en) * | 2004-01-27 | 2008-12-30 | Crestcom, Inc. | Transmitter predistortion circuit and method therefor |
US7099399B2 (en) * | 2004-01-27 | 2006-08-29 | Crestcom, Inc. | Distortion-managed digital RF communications transmitter and method therefor |
KR101393450B1 (ko) * | 2006-01-12 | 2014-05-13 | 에이저 시스템즈 엘엘시 | 수신된 신호의 이퀄라이징을 위해 비-파일럿 채널들을 채용하는 수신기 |
US20080069197A1 (en) * | 2006-09-20 | 2008-03-20 | Agere Systems Inc. | Equalizer for equalizing multiple received versions of a signal |
US20080075159A1 (en) * | 2006-09-21 | 2008-03-27 | Uwe Sontowski | Receiver having multiple stages of equalization with tap coefficient copying |
US7724840B2 (en) * | 2006-12-19 | 2010-05-25 | Crestcom, Inc. | RF transmitter with predistortion and method therefor |
US7813422B2 (en) * | 2007-02-23 | 2010-10-12 | Agere Systems Inc. | Adaptive equalizer with tap coefficient averaging |
US20080285640A1 (en) * | 2007-05-15 | 2008-11-20 | Crestcom, Inc. | RF Transmitter With Nonlinear Predistortion and Method Therefor |
JP5943001B2 (ja) * | 2011-12-07 | 2016-06-29 | 日本電気株式会社 | 等化信号処理装置、それを用いた光受信装置および等化信号処理方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3390336A (en) * | 1966-01-24 | 1968-06-25 | Cardion Electronics Inc | Apparatus and method for converting an input wave signal using adaptive network adjusted to time inverse of translating channel |
US3727153A (en) * | 1971-06-30 | 1973-04-10 | Ibm | Automatic equalizer using recirculation |
BE793458A (fr) * | 1971-12-30 | 1973-06-28 | Philips Nv | Dispositif d'egalisation automatique |
US4047013A (en) * | 1975-07-09 | 1977-09-06 | International Business Machines Corporation | Method and apparatus for fast determination of initial transversal equalizer coefficient values |
US4021738A (en) * | 1976-03-01 | 1977-05-03 | Bell Telephone Laboratories, Incorporated | Adaptive equalizer with fast convergence properties |
FR2478914B1 (fr) * | 1980-03-19 | 1986-01-31 | Ibm France | Procede et dispositif pour l'ajustement initial de l'horloge d'un recepteur de donnees synchrone |
DE3173567D1 (de) * | 1980-09-24 | 1986-03-06 | Toshiba Kk | Transversal equalizer |
JPS57119918U (de) * | 1981-01-20 | 1982-07-26 |
-
1983
- 1983-11-14 FR FR8318027A patent/FR2554996B1/fr not_active Expired
-
1984
- 1984-11-12 DE DE8484201629T patent/DE3473107D1/de not_active Expired
- 1984-11-12 EP EP84201629A patent/EP0146979B1/de not_active Expired
- 1984-11-13 AU AU35375/84A patent/AU575517B2/en not_active Ceased
- 1984-11-13 JP JP59237701A patent/JPS60117827A/ja active Granted
- 1984-11-14 US US06/671,381 patent/US4633482A/en not_active Expired - Fee Related
- 1984-11-14 CA CA000467812A patent/CA1214224A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS60117827A (ja) | 1985-06-25 |
AU3537584A (en) | 1985-05-23 |
US4633482A (en) | 1986-12-30 |
AU575517B2 (en) | 1988-07-28 |
EP0146979A1 (de) | 1985-07-03 |
EP0146979B1 (de) | 1988-07-27 |
JPH0511449B2 (de) | 1993-02-15 |
CA1214224A (en) | 1986-11-18 |
FR2554996B1 (fr) | 1986-02-28 |
FR2554996A1 (fr) | 1985-05-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3473107D1 (en) | Method and system for determining the optimum position of the reference coefficient of an adaptive equalizer | |
AU550818B2 (en) | Improved method and apparatus for cancelling vibrations | |
AU573572B2 (en) | Method for the transmission of informations and/or instruct- ions | |
DE3268382D1 (en) | Method and apparatus for reducing repetitive noise entering the ear | |
GB2146459B (en) | Method and apparatus for controlling the travel of an automatic guided vehicle | |
DE3480125D1 (en) | Curvilinear interpolation system and method | |
DE3266810D1 (en) | Adaptive thresholder and method | |
GB2136995B (en) | Method and apparatus for locating the boundary of an object | |
DE3467057D1 (en) | Method and system for adaptive automatic discrete utterance recognition | |
HK76186A (en) | Method of and system for the transmission of data packets | |
GB2077747B (en) | Alkoxysilanes and method for making | |
DE3466456D1 (en) | Method of and device for the digital cancellation of the echo generated in connections with time-varying characteristics | |
AU3502184A (en) | Effects box system and method | |
JPS57135376A (en) | Interference signal damping apparatus and method | |
DE3478176D1 (en) | Method and apparatus for cancelling echo | |
GB2168604B (en) | Method and device for reducing the risk of disturbing noise from small children | |
GB2077748B (en) | Alkoxysilanes and method for making | |
GB2144551B (en) | Method of determining grain size | |
KR860005505A (ko) | 등화기 및 그의 탭 웨이트 계수 조정 방법 | |
EP0122093A3 (en) | Adaptive apparatus and method for control | |
EP0122637A3 (en) | Automatic adaptive equalizer | |
EP0136449A3 (en) | Method and apparatus for adapting the shapes of controller characteristics | |
GB2229898B (en) | A method of determining the coefficients of a transversal equalizer | |
DE3479951D1 (en) | Method and arrangement for the adaptive attenuation and group delay equalization at the receiving side | |
EP0477798A3 (en) | Apparatus and method for determining the position and attitude of an object |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |