JP4904401B2 - 片側アイを使用して判定帰還型等化のためのラッチ位置を決定する方法および装置 - Google Patents
片側アイを使用して判定帰還型等化のためのラッチ位置を決定する方法および装置 Download PDFInfo
- Publication number
- JP4904401B2 JP4904401B2 JP2009530487A JP2009530487A JP4904401B2 JP 4904401 B2 JP4904401 B2 JP 4904401B2 JP 2009530487 A JP2009530487 A JP 2009530487A JP 2009530487 A JP2009530487 A JP 2009530487A JP 4904401 B2 JP4904401 B2 JP 4904401B2
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- JP
- Japan
- Prior art keywords
- latch
- data
- eye
- input data
- signal
- 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 - Fee Related
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- 238000000034 method Methods 0.000 title claims description 46
- 230000007704 transition Effects 0.000 claims description 49
- 238000005070 sampling Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 description 12
- 238000010845 search algorithm Methods 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 10
- 230000004044 response Effects 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005574 cross-species transmission Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
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- 230000036039 immunity Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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Images
Classifications
-
- 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
- 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
- H04L25/03—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
- H04L2025/03503—Tapped delay lines time-recursive as a combination of feedback and prediction filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (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 |
|---|---|---|---|
| US11/540,946 | 2006-09-29 | ||
| US11/540,946 US7711043B2 (en) | 2006-09-29 | 2006-09-29 | Method and apparatus for determining latch position for decision-feedback equalization using single-sided eye |
| PCT/US2007/070172 WO2008042475A1 (en) | 2006-09-29 | 2007-06-01 | Method and apparatus for determining latch position for decision-feedback equalization using single-sided eye |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010505364A JP2010505364A (ja) | 2010-02-18 |
| JP2010505364A5 JP2010505364A5 (https=) | 2010-07-15 |
| JP4904401B2 true JP4904401B2 (ja) | 2012-03-28 |
Family
ID=38921115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009530487A Expired - Fee Related JP4904401B2 (ja) | 2006-09-29 | 2007-06-01 | 片側アイを使用して判定帰還型等化のためのラッチ位置を決定する方法および装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7711043B2 (https=) |
| EP (1) | EP2067326B1 (https=) |
| JP (1) | JP4904401B2 (https=) |
| KR (1) | KR101357360B1 (https=) |
| WO (1) | WO2008042475A1 (https=) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008301337A (ja) * | 2007-06-01 | 2008-12-11 | Nec Electronics Corp | 入出力回路 |
| JP2010278720A (ja) * | 2009-05-28 | 2010-12-09 | Renesas Electronics Corp | 信号処理装置、信号処理方法、及び信号処理プログラム |
| US8422891B2 (en) * | 2010-09-24 | 2013-04-16 | Intel Corporation | Jitter reduction of electrical signals from limiting optical modules |
| US8737549B2 (en) | 2012-04-30 | 2014-05-27 | Lsi Corporation | Receiver having limiter-enhanced data eye openings |
| US9385897B2 (en) | 2012-07-18 | 2016-07-05 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Methods and apparatus for adapting transmitter equalization coefficients based on receiver gain adaptation |
| 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 |
| US9660843B2 (en) * | 2015-06-05 | 2017-05-23 | Texas Instruments Incorporated | Apparatus for processing a serial data stream |
| US9584346B2 (en) | 2015-07-15 | 2017-02-28 | International Business Machines Corporation | Decision-feedback equalizer |
| CN108599867B (zh) * | 2018-03-29 | 2021-02-02 | 上海交通大学 | 基于波形匹配的光学数字信号接收装置 |
| 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 |
| DE60219277T2 (de) | 2002-01-28 | 2008-01-03 | Lucent Technologies Inc. | Einstellung von Entscheidungspegeln und Abtastphase auf der Basis von vorherigen Bit-Werten |
| US7590175B2 (en) * | 2003-05-20 | 2009-09-15 | Rambus Inc. | DFE margin test methods and circuits that decouple sample and feedback timing |
| 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 |
| US7606302B2 (en) * | 2006-09-29 | 2009-10-20 | Agere Systems Inc. | Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel |
-
2006
- 2006-09-29 US US11/540,946 patent/US7711043B2/en not_active Expired - Fee Related
-
2007
- 2007-03-14 US US11/686,148 patent/US7720142B2/en not_active Expired - Fee Related
- 2007-06-01 JP JP2009530487A patent/JP4904401B2/ja not_active Expired - Fee Related
- 2007-06-01 KR KR1020097006429A patent/KR101357360B1/ko not_active Expired - Fee Related
- 2007-06-01 EP EP07797978A patent/EP2067326B1/en not_active Not-in-force
- 2007-06-01 WO PCT/US2007/070172 patent/WO2008042475A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US7711043B2 (en) | 2010-05-04 |
| US7720142B2 (en) | 2010-05-18 |
| KR101357360B1 (ko) | 2014-02-03 |
| EP2067326A1 (en) | 2009-06-10 |
| KR20090057073A (ko) | 2009-06-03 |
| US20080080608A1 (en) | 2008-04-03 |
| US20080080611A1 (en) | 2008-04-03 |
| WO2008042475A1 (en) | 2008-04-10 |
| JP2010505364A (ja) | 2010-02-18 |
| EP2067326B1 (en) | 2012-09-12 |
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