FR2554996B1 - Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatif - Google Patents
Procede et dispositif pour la determination de la position optimale du coefficient de reference d'un egaliseur adaptatifInfo
- Publication number
- FR2554996B1 FR2554996B1 FR8318027A FR8318027A FR2554996B1 FR 2554996 B1 FR2554996 B1 FR 2554996B1 FR 8318027 A FR8318027 A FR 8318027A FR 8318027 A FR8318027 A FR 8318027A FR 2554996 B1 FR2554996 B1 FR 2554996B1
- Authority
- FR
- France
- Prior art keywords
- determining
- optimal 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
- 230000003044 adaptive effect Effects 0.000 title 1
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)
Priority Applications (7)
| 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 |
| DE8484201629T DE3473107D1 (en) | 1983-11-14 | 1984-11-12 | Method and system for determining the optimum position of the reference coefficient of an adaptive equalizer |
| EP84201629A EP0146979B1 (fr) | 1983-11-14 | 1984-11-12 | Procédé et dispositif pour la détermination de la position optimale du coefficient de référence d'un égaliseur adaptatif |
| JP59237701A JPS60117827A (ja) | 1983-11-14 | 1984-11-13 | 最適位置を求める方法および回路 |
| AU35375/84A AU575517B2 (en) | 1983-11-14 | 1984-11-13 | Master/slave adaptive equalisation |
| US06/671,381 US4633482A (en) | 1983-11-14 | 1984-11-14 | Method of and arrangement for determining the optimum position of the reference tap of an adaptive equalizer |
| CA000467812A CA1214224A (en) | 1983-11-14 | 1984-11-14 | Method of and arrangement for determining the optimum position of the reference tap of an adaptive equalizer |
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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2554996A1 FR2554996A1 (fr) | 1985-05-17 |
| FR2554996B1 true FR2554996B1 (fr) | 1986-02-28 |
Family
ID=9294059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8318027A Expired 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 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4633482A (enExample) |
| EP (1) | EP0146979B1 (enExample) |
| JP (1) | JPS60117827A (enExample) |
| AU (1) | AU575517B2 (enExample) |
| CA (1) | CA1214224A (enExample) |
| DE (1) | DE3473107D1 (enExample) |
| FR (1) | FR2554996B1 (enExample) |
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 N.V., Eindhoven | 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 |
| US7469491B2 (en) * | 2004-01-27 | 2008-12-30 | Crestcom, Inc. | Transmitter predistortion circuit and method therefor |
| 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 |
| 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 |
| US7099399B2 (en) * | 2004-01-27 | 2006-08-29 | Crestcom, Inc. | Distortion-managed digital RF communications transmitter and method therefor |
| US8098723B2 (en) | 2006-01-12 | 2012-01-17 | Agere Systems Inc. | Receiver employing non-pilot reference channels for equalizing a received signal |
| 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 |
| US9160459B2 (en) | 2011-12-07 | 2015-10-13 | Nec Corporation | Equalization signal processor, optical receiver including the same, and method for equalization signal processing |
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 (enExample) * | 1981-01-20 | 1982-07-26 |
-
1983
- 1983-11-14 FR FR8318027A patent/FR2554996B1/fr not_active Expired
-
1984
- 1984-11-12 EP EP84201629A patent/EP0146979B1/fr not_active Expired
- 1984-11-12 DE DE8484201629T patent/DE3473107D1/de not_active Expired
- 1984-11-13 JP JP59237701A patent/JPS60117827A/ja active Granted
- 1984-11-13 AU AU35375/84A patent/AU575517B2/en not_active Ceased
- 1984-11-14 CA CA000467812A patent/CA1214224A/en not_active Expired
- 1984-11-14 US US06/671,381 patent/US4633482A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA1214224A (en) | 1986-11-18 |
| US4633482A (en) | 1986-12-30 |
| AU575517B2 (en) | 1988-07-28 |
| EP0146979B1 (fr) | 1988-07-27 |
| JPS60117827A (ja) | 1985-06-25 |
| EP0146979A1 (fr) | 1985-07-03 |
| JPH0511449B2 (enExample) | 1993-02-15 |
| DE3473107D1 (en) | 1988-09-01 |
| FR2554996A1 (fr) | 1985-05-17 |
| AU3537584A (en) | 1985-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |