IL123096A - Apparatus and method for transmission of high speed data over communication channels - Google Patents
Apparatus and method for transmission of high speed data over communication channelsInfo
- Publication number
- IL123096A IL123096A IL12309698A IL12309698A IL123096A IL 123096 A IL123096 A IL 123096A IL 12309698 A IL12309698 A IL 12309698A IL 12309698 A IL12309698 A IL 12309698A IL 123096 A IL123096 A IL 123096A
- Authority
- IL
- Israel
- Prior art keywords
- sub
- adder
- input
- output
- filter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—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
- H04L25/4919—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 balanced multilevel codes
- H04L25/4921—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 balanced multilevel codes using quadrature encoding, e.g. carrierless amplitude-phase coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Noise Elimination (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/807,336 US6047022A (en) | 1997-02-28 | 1997-02-28 | Apparatus and method for transmission of high speed data over communication channels |
Publications (2)
Publication Number | Publication Date |
---|---|
IL123096A0 IL123096A0 (en) | 1998-09-24 |
IL123096A true IL123096A (en) | 2001-06-14 |
Family
ID=25196132
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12309698A IL123096A (en) | 1997-02-28 | 1998-01-28 | Apparatus and method for transmission of high speed data over communication channels |
Country Status (3)
Country | Link |
---|---|
US (2) | US6047022A (fr) |
EP (1) | EP0862300A3 (fr) |
IL (1) | IL123096A (fr) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5799011A (en) * | 1996-03-29 | 1998-08-25 | Motorola, Inc. | CDMA power control channel estimation using dynamic coefficient scaling |
US6047022A (en) * | 1997-02-28 | 2000-04-04 | Orckit Communication Ltd. | Apparatus and method for transmission of high speed data over communication channels |
US6178198B1 (en) * | 1997-11-14 | 2001-01-23 | Broadcom Corproation | Apparatus for, and method of, processing signals transmitted over a local area network |
SE511521C3 (sv) * | 1997-11-18 | 1999-11-22 | Telia Ab | Foerbaettringar av eller med avseende paa abonnentledningstransmissionssystem |
US6115418A (en) | 1998-02-09 | 2000-09-05 | National Semiconductor Corporation | Simplified equalizer for twisted pair channel |
US6360369B1 (en) * | 1998-02-18 | 2002-03-19 | Paul F. Mahoney | Interference tolerant modem |
US6415003B1 (en) * | 1998-09-11 | 2002-07-02 | National Semiconductor Corporation | Digital baseline wander correction circuit |
US6438163B1 (en) | 1998-09-25 | 2002-08-20 | National Semiconductor Corporation | Cable length and quality indicator |
US6438164B2 (en) * | 1998-11-03 | 2002-08-20 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
US6226323B1 (en) * | 1998-11-03 | 2001-05-01 | Broadcom Corporation | Technique for minimizing decision feedback equalizer wordlength in the presence of a DC component |
US6373908B2 (en) * | 1998-11-11 | 2002-04-16 | Broadcom Corporation | Adaptive electronic transmission signal cancellation apparatus for full duplex communication |
US6201831B1 (en) * | 1998-11-13 | 2001-03-13 | Broadcom Corporation | Demodulator for a multi-pair gigabit transceiver |
US6570917B1 (en) | 1999-03-10 | 2003-05-27 | Agere Systems Inc. | Equalizer training in the presence of network impairment |
US6600780B1 (en) * | 1999-03-10 | 2003-07-29 | Agere Systems Inc. | Apparatus and method for adapting a filter of an analog modem |
US6418172B1 (en) | 1999-04-21 | 2002-07-09 | National Semiconductor Corporation | Look-ahead maximum likelihood sequence estimation decoder |
AU4492100A (en) * | 1999-04-22 | 2000-11-10 | Broadcom Corporation | Gigabit ethernet with timing offsets between the twisted pairs |
US6477196B1 (en) * | 1999-08-30 | 2002-11-05 | Rockwell Collins, Inc. | Direct sequence spread spectrum communications receiver and method for efficient narrow-band signal excision |
US6278785B1 (en) * | 1999-09-21 | 2001-08-21 | Acoustic Technologies, Inc. | Echo cancelling process with improved phase control |
GB2355899A (en) * | 1999-10-29 | 2001-05-02 | Oak Technology Inc | Multistage digital processor with dedicated stage clock controllers |
US7050517B1 (en) | 2000-04-28 | 2006-05-23 | National Semiconductor Corporation | System and method suitable for receiving gigabit ethernet signals |
US7254198B1 (en) | 2000-04-28 | 2007-08-07 | National Semiconductor Corporation | Receiver system having analog pre-filter and digital equalizer |
US6757910B1 (en) * | 2000-06-08 | 2004-06-29 | C-Cor.Net Corporation | Adaptive filter for reducing ingress noise in CATV return signals |
WO2003043262A1 (fr) * | 2001-11-13 | 2003-05-22 | Telcordia Technologies, Inc. | Procede et systeme de compatibilite spectrale pour le deploiement d'un terminal adsl a distance |
US7120211B2 (en) | 2002-03-21 | 2006-10-10 | Conexant, Inc. | Adaptive RFI canceller for DSL |
US20040151241A1 (en) * | 2003-02-03 | 2004-08-05 | Tsutomu Shimotoyodome | Signal generator using IIR type digital filter and its output stopping method |
KR100555508B1 (ko) * | 2003-07-22 | 2006-03-03 | 삼성전자주식회사 | 직교 주파수 분할 다중 수신 시스템에서의 임펄스 잡음억제 회로 및 방법 |
US7289568B2 (en) * | 2003-11-19 | 2007-10-30 | Intel Corporation | Spectrum management apparatus, method, and system |
US7483931B2 (en) * | 2004-01-30 | 2009-01-27 | Oki Electric Industry Co., Ltd. | Signal generator using IIR type digital filter; and method of generating, supplying, and stopping its output signal |
EP1569402A1 (fr) * | 2004-02-26 | 2005-08-31 | Alcatel | Modem numérique pour la ligne d'abonné avec attribution adaptative de bits, qui emploie un modèle d'etat de canal |
US7657228B2 (en) * | 2006-05-30 | 2010-02-02 | Intel Corporation | Device, system and method of noise identification and cancellation |
US8249540B1 (en) | 2008-08-07 | 2012-08-21 | Hypres, Inc. | Two stage radio frequency interference cancellation system and method |
US8625704B1 (en) | 2008-09-25 | 2014-01-07 | Aquantia Corporation | Rejecting RF interference in communication systems |
US8442099B1 (en) | 2008-09-25 | 2013-05-14 | Aquantia Corporation | Crosstalk cancellation for a common-mode channel |
US9912375B1 (en) | 2008-09-25 | 2018-03-06 | Aquantia Corp. | Cancellation of alien interference in communication systems |
TWI392302B (zh) * | 2008-11-18 | 2013-04-01 | Realtek Semiconductor Corp | 單載波/多載波共用接收器及其訊號處理方法 |
CN101808058B (zh) * | 2009-02-13 | 2013-03-27 | 瑞昱半导体股份有限公司 | 单载波/多载波共享接收器及其信号处理方法 |
US8891595B1 (en) | 2010-05-28 | 2014-11-18 | Aquantia Corp. | Electromagnetic interference reduction in wireline applications using differential signal compensation |
US8724678B2 (en) | 2010-05-28 | 2014-05-13 | Aquantia Corporation | Electromagnetic interference reduction in wireline applications using differential signal compensation |
US9118469B2 (en) * | 2010-05-28 | 2015-08-25 | Aquantia Corp. | Reducing electromagnetic interference in a received signal |
US8792597B2 (en) | 2010-06-18 | 2014-07-29 | Aquantia Corporation | Reducing electromagnetic interference in a receive signal with an analog correction signal |
US8724689B2 (en) * | 2011-03-09 | 2014-05-13 | Broadcom Corporation | Narrowband ingress estimation and characterization using equalizer taps |
US9059786B2 (en) | 2011-07-07 | 2015-06-16 | Vecima Networks Inc. | Ingress suppression for communication systems |
US8861663B1 (en) | 2011-12-01 | 2014-10-14 | Aquantia Corporation | Correlated noise canceller for high-speed ethernet receivers |
US8929468B1 (en) | 2012-06-14 | 2015-01-06 | Aquantia Corp. | Common-mode detection with magnetic bypass |
US9214185B1 (en) * | 2014-06-29 | 2015-12-15 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Adaptive filter-based narrowband interference detection, estimation and cancellation |
US9722644B2 (en) | 2015-08-18 | 2017-08-01 | Nokia Solutions And Networks Oy | Frequency switching within time domain digital pre-distortion |
US9735908B2 (en) * | 2015-08-18 | 2017-08-15 | Nokia Solutions And Networks Oy | Adaptive frequency band weighting within time domain |
US10027367B2 (en) | 2015-08-18 | 2018-07-17 | Nokia Solutions And Networks Oy | Quarter wavelength unit delay and complex weighting coefficient continuous-time filters |
Family Cites Families (19)
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CH492357A (it) * | 1966-12-24 | 1970-06-15 | Consiglio Naz Delle Ricerche E | Procedimento per migliorare la qualità della trasmissione di circuiti telefonici |
US4644108A (en) * | 1982-10-27 | 1987-02-17 | International Business Machines Corporation | Adaptive sub-band echo suppressor |
US4628156A (en) * | 1982-12-27 | 1986-12-09 | International Business Machines Corporation | Canceller trained echo suppressor |
US4649505A (en) * | 1984-07-02 | 1987-03-10 | General Electric Company | Two-input crosstalk-resistant adaptive noise canceller |
FR2607639B1 (fr) * | 1986-11-28 | 1995-03-03 | Thomson Csf | Rejecteur de bande a grande selectivite, et utilisation d'un tel rejecteur |
US4924492A (en) * | 1988-03-22 | 1990-05-08 | American Telephone And Telegraph Company | Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises |
US5388092A (en) * | 1989-06-27 | 1995-02-07 | Nec Corporation | Echo canceller for two-wire full duplex digital data transmission |
JPH0787337B2 (ja) * | 1990-01-05 | 1995-09-20 | ヤマハ株式会社 | 音響信号処理装置 |
GB9008613D0 (en) * | 1990-04-17 | 1990-06-13 | Marconi Gec Ltd | Reducing interference in r.f.signals |
US5293402A (en) * | 1991-05-02 | 1994-03-08 | Bell Communications Research, Inc. | Wideband digital equalizers for subscriber loops |
JPH0817339B2 (ja) * | 1993-01-14 | 1996-02-21 | 日本電気株式会社 | 誤り訂正伝送装置 |
US5465413A (en) * | 1993-03-05 | 1995-11-07 | Trimble Navigation Limited | Adaptive noise cancellation |
US5600714A (en) * | 1994-01-14 | 1997-02-04 | Sound Control Technologies, Inc. | Conference telephone using dynamic modeled line hybrid |
JPH07264279A (ja) * | 1994-03-18 | 1995-10-13 | Nec Corp | エコーキャンセラ装置 |
US5659581A (en) * | 1994-12-13 | 1997-08-19 | Paradyne Corporation | Modem receiver pre-emphasis |
JP2685031B2 (ja) * | 1995-06-30 | 1997-12-03 | 日本電気株式会社 | 雑音消去方法及び雑音消去装置 |
JP2856113B2 (ja) * | 1995-07-10 | 1999-02-10 | 日本電気株式会社 | エコーキャンセラ |
US5694437A (en) * | 1995-10-10 | 1997-12-02 | Motorola, Inc. | Device and method for data signal detection in the presence of distortion and interference in communication systems |
US6047022A (en) * | 1997-02-28 | 2000-04-04 | Orckit Communication Ltd. | Apparatus and method for transmission of high speed data over communication channels |
-
1997
- 1997-02-28 US US08/807,336 patent/US6047022A/en not_active Expired - Lifetime
-
1998
- 1998-01-28 IL IL12309698A patent/IL123096A/en not_active IP Right Cessation
- 1998-02-12 EP EP98301027A patent/EP0862300A3/fr not_active Withdrawn
-
2000
- 2000-02-09 US US09/500,681 patent/US6285718B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IL123096A0 (en) | 1998-09-24 |
US6285718B1 (en) | 2001-09-04 |
EP0862300A2 (fr) | 1998-09-02 |
US6047022A (en) | 2000-04-04 |
EP0862300A3 (fr) | 2001-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
HP | Change in proprietorship | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |