SE400004B - Automatisk basbandsutjemningsanordning for en dataoverforingskanal - Google Patents
Automatisk basbandsutjemningsanordning for en dataoverforingskanalInfo
- Publication number
- SE400004B SE400004B SE7402970A SE7402970A SE400004B SE 400004 B SE400004 B SE 400004B SE 7402970 A SE7402970 A SE 7402970A SE 7402970 A SE7402970 A SE 7402970A SE 400004 B SE400004 B SE 400004B
- Authority
- SE
- Sweden
- Prior art keywords
- data transfer
- base band
- transfer channel
- automatic base
- band equipment
- Prior art date
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
- H04L25/0307—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure using blind adaptation
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7308476A FR2318542A1 (fr) | 1973-03-09 | 1973-03-09 | Egaliseur autoadaptatif d'un canal de transmission |
FR7323052A FR2234718B2 (sv) | 1973-06-25 | 1973-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
SE400004B true SE400004B (sv) | 1978-03-06 |
Family
ID=26217609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7402970A SE400004B (sv) | 1973-03-09 | 1974-03-06 | Automatisk basbandsutjemningsanordning for en dataoverforingskanal |
Country Status (7)
Country | Link |
---|---|
US (1) | US3868603A (sv) |
JP (1) | JPS5515891B2 (sv) |
CA (1) | CA1013437A (sv) |
DE (1) | DE2410881C3 (sv) |
GB (1) | GB1466678A (sv) |
NL (1) | NL171215C (sv) |
SE (1) | SE400004B (sv) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4041418A (en) * | 1973-01-05 | 1977-08-09 | Siemens Aktiengesellschaft | Equalizer for partial response signals |
NL7405553A (nl) * | 1974-04-25 | 1975-10-28 | Philips Nv | Inrichting voor automatische egalisatie. |
JPS5152264A (sv) * | 1974-09-11 | 1976-05-08 | Sharp Kk | |
US3943468A (en) * | 1974-10-29 | 1976-03-09 | Bell Telephone Laboratories Incorporated | Amplitude equalizer using mixing for error detection |
FR2295649A1 (fr) * | 1974-12-20 | 1976-07-16 | Trt Telecom Radio Electr | Egaliseur de ligne autoadaptatif pour systeme de transmission de donnees |
US3947768A (en) * | 1975-01-08 | 1976-03-30 | International Business Machines Corporation | Carrier-modulation data transmission equalizers |
US4004226A (en) * | 1975-07-23 | 1977-01-18 | Codex Corporation | QAM receiver having automatic adaptive equalizer |
JPS5215247A (en) * | 1975-07-28 | 1977-02-04 | Nec Corp | Automatic equalizer |
JPS5270707A (en) * | 1975-12-09 | 1977-06-13 | Nec Corp | Automatic phase control system |
FR2370396A1 (fr) * | 1976-11-09 | 1978-06-02 | Cit Alcatel | Ensemble d'egalisation autoadaptatif |
US4398062A (en) * | 1976-11-11 | 1983-08-09 | Harris Corporation | Apparatus for privacy transmission in system having bandwidth constraint |
US4141072A (en) * | 1976-12-28 | 1979-02-20 | Xerox Corporation | Frequency domain automatic equalizer using minimum mean square error correction criteria |
FR2410917A1 (fr) * | 1977-11-30 | 1979-06-29 | Cit Alcatel | Egaliseur autoadaptatif |
US4213095A (en) * | 1978-08-04 | 1980-07-15 | Bell Telephone Laboratories, Incorporated | Feedforward nonlinear equalization of modulated data signals |
US4181888A (en) * | 1978-08-04 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Feedback nonlinear equalization of modulated data signals |
USRE31351E (en) * | 1978-08-04 | 1983-08-16 | Bell Telephone Laboratories, Incorporated | Feedback nonlinear equalization of modulated data signals |
US4263671A (en) * | 1978-10-19 | 1981-04-21 | Racal-Milgo, Inc. | Sampling clock correction circuit |
JPS5558612A (en) * | 1978-10-26 | 1980-05-01 | Kokusai Denshin Denwa Co Ltd <Kdd> | Delay circuit |
FR2455406B1 (fr) * | 1979-04-27 | 1987-05-29 | Cit Alcatel | Procede de compensation des bruits de phase a la reception d'une transmission de donnees |
FR2455408B1 (fr) * | 1979-04-27 | 1987-05-29 | Cit Alcatel | Procede de reduction des bruits de phase a la reception d'une transmission de donnees |
FR2468258B1 (fr) * | 1979-10-19 | 1987-06-26 | Cit Alcatel | Circuit de correction des bruits de phase pour un systeme de transmission |
DE3000856A1 (de) * | 1980-01-11 | 1981-07-16 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Adaptive entzerrereinrichtung |
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 |
US4313202A (en) * | 1980-04-03 | 1982-01-26 | Codex Corporation | Modem circuitry |
US4344177A (en) * | 1980-10-09 | 1982-08-10 | Bell Telephone Laboratories, Incorporated | Equalizer comprised of equalizer sections which include internal accumulation circuits |
US4343759A (en) * | 1980-10-10 | 1982-08-10 | Bell Telephone Laboratories, Incorporated | Equalizer section |
DE3116266A1 (de) * | 1981-04-24 | 1982-11-11 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren zum entzerren eines datensignales |
JPS59211313A (ja) * | 1983-05-17 | 1984-11-30 | Toshiba Corp | 自動等化器 |
FR2556530B1 (fr) * | 1983-10-28 | 1986-04-04 | Telediffusion Fse | Dispositif de correction d'echos, notamment pour systeme de diffusion de donnees |
US4580176A (en) * | 1983-11-21 | 1986-04-01 | International Business Machines Corporation | Adaptive equalization circuit for magnetic recording channels utilizing signal timing |
FR2571566B1 (fr) * | 1984-10-09 | 1987-01-23 | Labo Electronique Physique | Dispositif de reception de donnees numeriques comportant un dispositif de recuperation adaptative de rythme |
JPS61102813A (ja) * | 1984-10-25 | 1986-05-21 | Hitachi Denshi Ltd | 適応デイジタルフイルタ |
JPS6211326A (ja) * | 1985-07-09 | 1987-01-20 | Hitachi Ltd | 自動等化器再設定方式 |
FR2586877B1 (fr) * | 1985-08-27 | 1993-05-14 | Petit Jean P | Dispositif egaliseur adaptatif pour installation de transmission de donnees numeriques. |
US4696017A (en) * | 1986-02-03 | 1987-09-22 | E-Systems, Inc. | Quadrature signal generator having digitally-controlled phase and amplitude correction |
FR2606238B1 (fr) * | 1986-10-31 | 1988-12-09 | Trt Telecom Radio Electr | Boucle a verrouillage de phase entierement numerique |
JPS63224408A (ja) * | 1987-03-13 | 1988-09-19 | Fuji Xerox Co Ltd | デイジタルフイルタシステム |
US4899366A (en) * | 1988-08-02 | 1990-02-06 | International Business Machines Corporation | Tap rotation n fractionally spaced equalizer to compensate for drift due to fixed sample rate |
JPH03297228A (ja) * | 1990-04-16 | 1991-12-27 | Matsushita Electric Ind Co Ltd | 適応等化器制御装置 |
US5481564A (en) * | 1990-07-20 | 1996-01-02 | Fujitsu Limited | Received data adjusting device |
JP3251023B2 (ja) * | 1991-02-27 | 2002-01-28 | 日本電気株式会社 | 自動等化器 |
JPH04352523A (ja) * | 1991-05-30 | 1992-12-07 | Oki Electric Ind Co Ltd | データ伝送復調器 |
US5268930A (en) * | 1991-12-19 | 1993-12-07 | Novatel Communications Ltd. | Decision feedback equalizer |
KR970000767B1 (ko) * | 1994-01-18 | 1997-01-18 | 대우전자 주식회사 | 블라인드 등화기 |
KR960011739B1 (ko) * | 1994-01-18 | 1996-08-30 | 대우전자 주식회사 | 실시간 계수 갱신값 추출장치를 구비한 등화기 |
KR100223757B1 (ko) * | 1997-05-08 | 1999-10-15 | 김영환 | 고속 디지탈 통신용 시분할 등화기 |
US7289680B1 (en) * | 2003-07-23 | 2007-10-30 | Cisco Technology, Inc. | Methods and apparatus for minimizing requantization error |
DE102011054614A1 (de) | 2011-10-19 | 2013-04-25 | Intel Mobile Communications GmbH | Empfängerschaltung und Verfahren zum Betreiben einer Empfängerschaltung |
US9679509B2 (en) * | 2014-05-01 | 2017-06-13 | Samsung Display Co., Ltd. | Positive feedback enhanced switching equalizer with output pole tuning |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524169A (en) * | 1967-06-05 | 1970-08-11 | North American Rockwell | Impulse response correction system |
US3699321A (en) * | 1971-04-01 | 1972-10-17 | North American Rockwell | Automatic adaptive equalizer implementation amenable to mos |
-
1974
- 1974-03-05 NL NLAANVRAGE7402923,A patent/NL171215C/xx not_active IP Right Cessation
- 1974-03-06 SE SE7402970A patent/SE400004B/sv not_active IP Right Cessation
- 1974-03-06 GB GB1006574A patent/GB1466678A/en not_active Expired
- 1974-03-07 DE DE2410881A patent/DE2410881C3/de not_active Expired
- 1974-03-08 US US449278A patent/US3868603A/en not_active Expired - Lifetime
- 1974-03-09 JP JP2680674A patent/JPS5515891B2/ja not_active Expired
- 1974-03-11 CA CA194,606A patent/CA1013437A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL7402923A (sv) | 1974-09-11 |
JPS5048857A (sv) | 1975-05-01 |
CA1013437A (en) | 1977-07-05 |
GB1466678A (en) | 1977-03-09 |
DE2410881A1 (de) | 1974-09-12 |
DE2410881C3 (de) | 1980-09-25 |
DE2410881B2 (de) | 1980-01-31 |
JPS5515891B2 (sv) | 1980-04-26 |
NL171215C (nl) | 1983-02-16 |
US3868603A (en) | 1975-02-25 |
NL171215B (nl) | 1982-09-16 |
AU6643374A (en) | 1975-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7402970-3 Effective date: 19921005 Format of ref document f/p: F |