BR0309258A - Equalizador de retorno de decisão - Google Patents
Equalizador de retorno de decisãoInfo
- Publication number
- BR0309258A BR0309258A BR0309258-5A BR0309258A BR0309258A BR 0309258 A BR0309258 A BR 0309258A BR 0309258 A BR0309258 A BR 0309258A BR 0309258 A BR0309258 A BR 0309258A
- Authority
- BR
- Brazil
- Prior art keywords
- decision
- equalizer
- output
- permanent
- return
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/30—Time-delay networks
-
- 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
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
-
- 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
-
- 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
- H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
-
- 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
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03681—Control of adaptation
- H04L2025/037—Detection of convergence state
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03726—Switching between algorithms
- H04L2025/03732—Switching between algorithms according to the convergence state
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Dc Digital Transmission (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
"EQUALIZADOR DE RETORNO DE DECISãO". Trata-se de um equalizador de retorno de decisão para processar um sinal de dados que fornece saídas concorrentes do equalizador (Z~ 0k~, Z~ 1k~) para modos direcionados por decisão permanente e decisão temporário. A arquitetura de junta, de acordo com a presente invenção, tira vantagem do fato, reconhecido aqui, de que para cada representação de bit de decisão temporária de símbolo de saída de equalizador, um subconjunto destes bits corresponde à representação da decisão permanente. Como resultado, a invenção permite a saída concorrente de dois modos distintos, essencialmente com o mesmo hardware cooperação um equalizador de saída.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37297002P | 2002-04-16 | 2002-04-16 | |
PCT/US2003/010889 WO2003090348A1 (en) | 2002-04-16 | 2003-04-09 | Decision feedback equalizer |
Publications (2)
Publication Number | Publication Date |
---|---|
BR0309258A true BR0309258A (pt) | 2005-02-22 |
BRPI0309258B1 BRPI0309258B1 (pt) | 2016-05-31 |
Family
ID=29250939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0309258A BRPI0309258B1 (pt) | 2002-04-16 | 2003-04-09 | equalizador e método de realimentação de decisão |
Country Status (9)
Country | Link |
---|---|
US (1) | US7110449B2 (pt) |
EP (1) | EP1497916B1 (pt) |
JP (1) | JP4666920B2 (pt) |
KR (1) | KR100916377B1 (pt) |
CN (1) | CN1659780B (pt) |
AU (1) | AU2003262410A1 (pt) |
BR (1) | BRPI0309258B1 (pt) |
MX (1) | MXPA04010140A (pt) |
WO (1) | WO2003090348A1 (pt) |
Families Citing this family (60)
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---|---|---|---|---|
US6961373B2 (en) * | 2002-07-01 | 2005-11-01 | Solarflare Communications, Inc. | Method and apparatus for channel equalization |
US7808937B2 (en) | 2005-04-07 | 2010-10-05 | Rambus, Inc. | Variable interference cancellation technology for CDMA systems |
US8761321B2 (en) | 2005-04-07 | 2014-06-24 | Iii Holdings 1, Llc | Optimal feedback weighting for soft-decision cancellers |
US7876810B2 (en) * | 2005-04-07 | 2011-01-25 | Rambus Inc. | Soft weighted interference cancellation for CDMA systems |
US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
US7715508B2 (en) | 2005-11-15 | 2010-05-11 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US7164764B2 (en) * | 2002-11-07 | 2007-01-16 | Solarflare Communications, Inc. | Method and apparatus for precode crosstalk mitigation |
US8363535B2 (en) | 2003-04-28 | 2013-01-29 | Marvell International Ltd. | Frequency domain echo and next cancellation |
WO2005064830A1 (fr) * | 2003-12-26 | 2005-07-14 | Zte Corporation | Procede d'egalisation de rafale de liaison montante dans un systeme d'acces large et etendu |
WO2005099399A2 (en) | 2004-04-09 | 2005-10-27 | Micronas Semiconductors, Inc. | Apparatus for and method of controlling sampling frequency and sampling phase of a sampling device |
KR101086175B1 (ko) | 2004-05-12 | 2011-11-25 | 톰슨 라이센싱 | Atsc-dtv 수신기에서의 듀얼-모드 등화기 |
KR100615597B1 (ko) * | 2004-05-27 | 2006-08-25 | 삼성전자주식회사 | 데이터 입력회로 및 방법 |
US20060109940A1 (en) * | 2004-11-22 | 2006-05-25 | Troy Beukema | Timing bias compensation for a data receiver with decision-feedback equalizer |
US7643752B2 (en) * | 2004-12-22 | 2010-01-05 | Clariphy Communications, Inc. | Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver |
US8111986B1 (en) * | 2004-12-22 | 2012-02-07 | Clariphy Communications, Inc. | Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver |
US7853149B2 (en) * | 2005-03-08 | 2010-12-14 | Clariphy Communications, Inc. | Transmitter frequency peaking for optical fiber channels |
US7991088B2 (en) | 2005-11-15 | 2011-08-02 | Tommy Guess | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US7826516B2 (en) | 2005-11-15 | 2010-11-02 | Rambus Inc. | Iterative interference canceller for wireless multiple-access systems with multiple receive antennas |
US7711075B2 (en) | 2005-11-15 | 2010-05-04 | Tensorcomm Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
US7463679B2 (en) * | 2005-06-27 | 2008-12-09 | Intel Corporation | Equalizer mode selection based on distribution of symbol error |
US8254781B2 (en) | 2005-06-30 | 2012-08-28 | Clariphy Communications, Inc. | Testing of receivers with separate linear O/E module and host used in communication links |
US7664394B2 (en) | 2005-06-30 | 2010-02-16 | Clariphy Communications, Inc. | Testing of receivers with separate linear O/E module and host used in communication links |
US20070041437A1 (en) * | 2005-08-18 | 2007-02-22 | Chun-Ming Kuo | Bit error probability estimating system and related method thereof |
US7702048B2 (en) * | 2005-11-15 | 2010-04-20 | Tensorcomm, Incorporated | Iterative interference cancellation using mixed feedback weights and stabilizing step sizes |
CA2562194C (en) | 2005-10-05 | 2012-02-21 | Lg Electronics Inc. | Method of processing traffic information and digital broadcast system |
CA2562427C (en) | 2005-10-05 | 2012-07-10 | Lg Electronics Inc. | A digital broadcast system and method of processing traffic information |
US20070110135A1 (en) | 2005-11-15 | 2007-05-17 | Tommy Guess | Iterative interference cancellation for MIMO-OFDM receivers |
US7944964B2 (en) * | 2005-12-09 | 2011-05-17 | Electronics And Telecommunications Research Institute | Apparatus and method for stable DEF using selective FBF |
WO2007091779A1 (en) | 2006-02-10 | 2007-08-16 | Lg Electronics Inc. | Digital broadcasting receiver and method of processing data |
WO2007126196A1 (en) | 2006-04-29 | 2007-11-08 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
US8761387B2 (en) | 2006-05-04 | 2014-06-24 | Mindspeed Technologies, Inc. | Analog transmit crosstalk canceller |
WO2007136166A1 (en) | 2006-05-23 | 2007-11-29 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
US7873104B2 (en) | 2006-10-12 | 2011-01-18 | Lg Electronics Inc. | Digital television transmitting system and receiving system and method of processing broadcasting data |
KR100801055B1 (ko) * | 2006-10-16 | 2008-02-04 | 삼성전자주식회사 | 데이터 수신기 및 이를 구비하는 반도체 장치 |
US8385397B2 (en) * | 2007-01-19 | 2013-02-26 | Techwell Llc | Method for determining the step size for an LMS adaptive equalizer for 8VSB |
US7616685B2 (en) * | 2007-01-19 | 2009-11-10 | Techwell, Inc. | Method for channel tracking in an LMS adaptive equalizer for 8VSB |
KR101253185B1 (ko) | 2007-03-26 | 2013-04-10 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101285887B1 (ko) | 2007-03-26 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101285888B1 (ko) | 2007-03-30 | 2013-07-11 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR100860503B1 (ko) | 2007-03-30 | 2008-09-26 | 인하대학교 산학협력단 | 계층적 궤환 필터 및 연판정 장치를 이용한 결정 궤환등화기 |
KR20080090784A (ko) | 2007-04-06 | 2008-10-09 | 엘지전자 주식회사 | 전자 프로그램 정보 제어 방법 및 수신 장치 |
KR101456002B1 (ko) | 2007-06-26 | 2014-11-03 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
KR101405966B1 (ko) | 2007-06-26 | 2014-06-20 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
WO2009005326A2 (en) | 2007-07-04 | 2009-01-08 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
US8433973B2 (en) | 2007-07-04 | 2013-04-30 | Lg Electronics Inc. | Digital broadcasting system and method of processing data |
KR20090012180A (ko) | 2007-07-28 | 2009-02-02 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
MX2010002146A (es) | 2007-08-24 | 2010-04-07 | Lg Electronics Inc | Sistema de radiodifusion digital y metodo de procesamiento de datos en el sistema de radiodifusion digital. |
US8005167B2 (en) | 2007-08-24 | 2011-08-23 | Lg Electronics Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
KR101556133B1 (ko) | 2007-08-24 | 2015-09-30 | 엘지전자 주식회사 | 디지털 방송 시스템 및 데이터 처리 방법 |
US7646828B2 (en) | 2007-08-24 | 2010-01-12 | Lg Electronics, Inc. | Digital broadcasting system and method of processing data in digital broadcasting system |
US7948862B2 (en) * | 2007-09-26 | 2011-05-24 | Solarflare Communications, Inc. | Crosstalk cancellation using sliding filters |
US8358683B2 (en) * | 2008-03-31 | 2013-01-22 | Stmicroelectronics S.A. | Channel equalizer |
US7978760B2 (en) * | 2008-04-24 | 2011-07-12 | Silicon Integrated Systems Corp. | Decision feedback equalizer having adjusting device and method thereof |
KR100917203B1 (ko) * | 2008-12-24 | 2009-09-15 | 엘지전자 주식회사 | 디지털 방송 시스템 및 처리 방법 |
US8477833B2 (en) * | 2009-02-06 | 2013-07-02 | International Business Machines Corporation | Circuits and methods for DFE with reduced area and power consumption |
WO2013051244A1 (ja) | 2011-10-05 | 2013-04-11 | 日本電気株式会社 | 信号処理装置及び信号処理方法 |
CN105897629A (zh) * | 2016-06-15 | 2016-08-24 | 晶晨半导体(上海)有限公司 | 一种信号判决器及信号判决方法 |
US11239909B2 (en) | 2019-11-05 | 2022-02-01 | Maxim Integrated Products, Inc. | Dynamic error quantizer tuning systems and methods |
KR20220060939A (ko) | 2020-11-05 | 2022-05-12 | 삼성전자주식회사 | 디시젼 피드백 등화기 및 이를 포함하는 장치 |
CN113992485B (zh) * | 2021-10-27 | 2023-05-30 | 西安微电子技术研究所 | 一种判决反馈均衡电路和高速信号信道传输*** |
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DE3744075A1 (de) * | 1987-12-24 | 1989-07-13 | Licentia Gmbh | Verfahren zur entzerrung von dispersiven, linearen oder naeherungsweise linearen kanaelen zur uebertragung von digitalen signalen sowie anordnung zum ausfuehren des verfahrens |
JPH08223229A (ja) * | 1995-02-17 | 1996-08-30 | Sony Corp | ベースバンド伝送システムおよび送信装置ならびに受信装置 |
US5712873A (en) * | 1996-06-04 | 1998-01-27 | Thomson Consumer Electronics, Inc. | Multi-mode equalizer in a digital video signal processing system |
CA2251921C (en) * | 1997-03-04 | 2003-07-08 | Mitsubishi Denki Kabushiki Kaisha | Receiver with frequency offset correcting function |
US6240133B1 (en) * | 1998-02-05 | 2001-05-29 | Texas Instruments Incorporated | High stability fast tracking adaptive equalizer for use with time varying communication channels |
JPH11239083A (ja) * | 1998-02-20 | 1999-08-31 | Sharp Corp | Qam復調器 |
JPH11261457A (ja) * | 1998-03-10 | 1999-09-24 | Hitachi Ltd | 波形等化処理方法 |
JPH11355188A (ja) * | 1998-06-09 | 1999-12-24 | Mitsubishi Electric Corp | 復調装置およびこれに用いることができる搬送波再生回路ならびに等化回路 |
JP2000091965A (ja) * | 1998-09-07 | 2000-03-31 | Matsushita Electric Ind Co Ltd | 等化器及び等化方法 |
FR2789243B1 (fr) * | 1999-01-29 | 2001-05-25 | France Telecom | Egaliseur a retour de decisions ponderees, et procede d'egalisation correspondant |
AU2990700A (en) * | 1999-10-19 | 2001-04-30 | Interdigital Technology Corporation | Receiver for multiuser detection of cdma signals |
US6529559B2 (en) * | 2001-01-12 | 2003-03-04 | Comsys Communication & Signal Processing Ltd. | Reduced soft output information packet selection |
US7180942B2 (en) * | 2001-12-18 | 2007-02-20 | Dotcast, Inc. | Joint adaptive optimization of soft decision device and feedback equalizer |
-
2003
- 2003-04-09 CN CN038134616A patent/CN1659780B/zh not_active Expired - Fee Related
- 2003-04-09 MX MXPA04010140A patent/MXPA04010140A/es active IP Right Grant
- 2003-04-09 WO PCT/US2003/010889 patent/WO2003090348A1/en active Application Filing
- 2003-04-09 BR BRPI0309258A patent/BRPI0309258B1/pt not_active IP Right Cessation
- 2003-04-09 KR KR1020047016377A patent/KR100916377B1/ko active IP Right Grant
- 2003-04-09 US US10/511,493 patent/US7110449B2/en not_active Expired - Lifetime
- 2003-04-09 AU AU2003262410A patent/AU2003262410A1/en not_active Abandoned
- 2003-04-09 EP EP03746957A patent/EP1497916B1/en not_active Expired - Fee Related
- 2003-04-09 JP JP2003587001A patent/JP4666920B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1497916B1 (en) | 2012-08-15 |
KR20050003367A (ko) | 2005-01-10 |
US7110449B2 (en) | 2006-09-19 |
EP1497916A4 (en) | 2009-04-08 |
CN1659780B (zh) | 2011-06-22 |
AU2003262410A1 (en) | 2003-11-03 |
KR100916377B1 (ko) | 2009-09-07 |
EP1497916A1 (en) | 2005-01-19 |
MXPA04010140A (es) | 2005-06-08 |
JP4666920B2 (ja) | 2011-04-06 |
JP2005523633A (ja) | 2005-08-04 |
WO2003090348A1 (en) | 2003-10-30 |
WO2003090348A8 (en) | 2004-09-10 |
CN1659780A (zh) | 2005-08-24 |
US20050243908A1 (en) | 2005-11-03 |
BRPI0309258B1 (pt) | 2016-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B15K | Others concerning applications: alteration of classification |
Free format text: A CLASSIFICACAO ANTERIOR ERA: H03H 7/30 Ipc: H04L 25/03 (2006.01) |
|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 31/05/2016, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 17A ANUIDADE. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: MANUTENCAO DA EXTINCAO - ART. 78 INCISO IV DA LPI |