JP4904400B2 - 非対称チャネルの存在下における非線形判定帰還型等化のための方法および装置 - Google Patents
非対称チャネルの存在下における非線形判定帰還型等化のための方法および装置 Download PDFInfo
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- JP4904400B2 JP4904400B2 JP2009530486A JP2009530486A JP4904400B2 JP 4904400 B2 JP4904400 B2 JP 4904400B2 JP 2009530486 A JP2009530486 A JP 2009530486A JP 2009530486 A JP2009530486 A JP 2009530486A JP 4904400 B2 JP4904400 B2 JP 4904400B2
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- latch
- threshold
- channel
- data
- eye
- 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.)
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- 238000000034 method Methods 0.000 title claims description 44
- 230000007704 transition Effects 0.000 claims description 49
- 238000013507 mapping Methods 0.000 claims description 9
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 14
- 238000004891 communication Methods 0.000 description 13
- 238000010845 search algorithm Methods 0.000 description 12
- 230000004044 response Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 6
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- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
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- 238000004364 calculation method Methods 0.000 description 1
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Images
Classifications
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- 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
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/005—Control of transmission; Equalising
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/695—Arrangements for optimizing the decision element in the receiver, e.g. by using automatic threshold control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Dc Digital Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/541,379 | 2006-09-29 | ||
| US11/541,379 US7606302B2 (en) | 2006-09-29 | 2006-09-29 | Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel |
| PCT/US2007/070169 WO2008039575A1 (en) | 2006-09-29 | 2007-06-01 | Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010505363A JP2010505363A (ja) | 2010-02-18 |
| JP2010505363A5 JP2010505363A5 (https=) | 2010-07-15 |
| JP4904400B2 true JP4904400B2 (ja) | 2012-03-28 |
Family
ID=38694907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009530486A Expired - Fee Related JP4904400B2 (ja) | 2006-09-29 | 2007-06-01 | 非対称チャネルの存在下における非線形判定帰還型等化のための方法および装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7606302B2 (https=) |
| EP (1) | EP2067325A1 (https=) |
| JP (1) | JP4904400B2 (https=) |
| KR (1) | KR101417162B1 (https=) |
| WO (1) | WO2008039575A1 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7711043B2 (en) * | 2006-09-29 | 2010-05-04 | Agere Systems Inc. | Method and apparatus for determining latch position for decision-feedback equalization using single-sided eye |
| US8494038B2 (en) | 2010-12-19 | 2013-07-23 | International Business Machines Corporation | Common mode noise reduction within differential signal |
| US8737549B2 (en) | 2012-04-30 | 2014-05-27 | Lsi Corporation | Receiver having limiter-enhanced data eye openings |
| KR101985977B1 (ko) | 2012-11-16 | 2019-06-04 | 에스케이하이닉스 주식회사 | 등화장치 및 그 동작 방법 |
| JP6032247B2 (ja) | 2013-10-09 | 2016-11-24 | 株式会社デンソー | 歪み補償システム及び通信装置 |
| GB2541260B (en) * | 2015-04-29 | 2020-02-19 | Carrier Corp | System and method of data communication that compensates for wire characteristics |
| US10069654B2 (en) * | 2015-11-10 | 2018-09-04 | Huawei Technologies Co., Ltd. | Methods to minimize the recovered clock jitter |
| KR102409883B1 (ko) * | 2017-12-07 | 2022-06-22 | 칸도우 랩스 에스에이 | 눈 스코프 측정치의 판정 피드백 등화 보정 |
| US10666469B2 (en) * | 2018-05-02 | 2020-05-26 | Maxlinear, Inc. | Predictive decision feedback equalizer |
| US10735039B1 (en) * | 2019-10-04 | 2020-08-04 | Cisco Technology, Inc. | Removal of channel impairments due to skew and channel asymmetry with a composite filter |
| US11153129B1 (en) * | 2020-06-01 | 2021-10-19 | International Business Machines Corporation | Feedforward equalizer with programmable roaming taps |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62220019A (ja) * | 1986-03-20 | 1987-09-28 | Fujitsu Ltd | デイジタル光通信用受信器 |
| JPH0740697B2 (ja) * | 1986-05-20 | 1995-05-01 | 日本電気株式会社 | 識別回路 |
| US20020085656A1 (en) | 2000-08-30 | 2002-07-04 | Lee Sang-Hyun | Data recovery using data eye tracking |
| DE10052279A1 (de) | 2000-10-20 | 2002-04-25 | Alcatel Sa | Schneller Augenmonitor und Empfänger mit schnellem Augenmonitor |
| US7397848B2 (en) * | 2003-04-09 | 2008-07-08 | Rambus Inc. | Partial response receiver |
| US7447278B2 (en) * | 2003-05-21 | 2008-11-04 | International Business Machines Corporation | Apparatus for transmitting and receiving data |
| US7184478B2 (en) | 2003-06-19 | 2007-02-27 | Applied Micro Circuits Corporation | High speed circuits for electronic dispersion compensation |
| US7471904B2 (en) | 2003-07-25 | 2008-12-30 | Alcatel-Lucent Usa Inc. | Method and apparatus for electronic equalization in optical communication systems |
| US7263122B2 (en) * | 2003-07-29 | 2007-08-28 | Synopsys, Inc. | Receiver based decision feedback equalization circuitry and techniques |
| DE602005017765D1 (de) | 2005-08-02 | 2009-12-31 | Alcatel Lucent | Empfänger eines optischen Signals |
| US7649933B2 (en) | 2006-04-28 | 2010-01-19 | Agere Systems Inc. | Method and apparatus for determining a position of an offset latch employed for decision-feedback equalization |
-
2006
- 2006-09-29 US US11/541,379 patent/US7606302B2/en not_active Expired - Fee Related
-
2007
- 2007-06-01 KR KR1020097006468A patent/KR101417162B1/ko not_active Expired - Fee Related
- 2007-06-01 JP JP2009530486A patent/JP4904400B2/ja not_active Expired - Fee Related
- 2007-06-01 WO PCT/US2007/070169 patent/WO2008039575A1/en not_active Ceased
- 2007-06-01 EP EP07797976A patent/EP2067325A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008039575A1 (en) | 2008-04-03 |
| US20080080609A1 (en) | 2008-04-03 |
| JP2010505363A (ja) | 2010-02-18 |
| EP2067325A1 (en) | 2009-06-10 |
| KR101417162B1 (ko) | 2014-07-08 |
| US7606302B2 (en) | 2009-10-20 |
| KR20090057077A (ko) | 2009-06-03 |
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