KR20090057036A - 큐-모니터를 갖춘 디지털 신호 수신기 - Google Patents
큐-모니터를 갖춘 디지털 신호 수신기 Download PDFInfo
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- KR20090057036A KR20090057036A KR1020097005860A KR20097005860A KR20090057036A KR 20090057036 A KR20090057036 A KR 20090057036A KR 1020097005860 A KR1020097005860 A KR 1020097005860A KR 20097005860 A KR20097005860 A KR 20097005860A KR 20090057036 A KR20090057036 A KR 20090057036A
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- South Korea
- Prior art keywords
- sampling channels
- monitor
- signal
- sampling
- clock
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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
- H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
- H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
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- 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
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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
- H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0054—Detection of the synchronisation error by features other than the received signal transition
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc Digital Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Circuits Of Receivers In General (AREA)
- Communication Control (AREA)
Abstract
Description
Claims (11)
- N>1인 N개의 병렬 출력 리드들(parallel output leads)(26)을 가지는 디지털 신호 출력 및 직렬 신호 입력(20, 20')을 포함하는 높은-비트레이트 디지털 신호용 디지털 신호 수신기로서,상기 수신기는 적어도 N+1개의 디지털 샘플링 채널들(31 내지 35), 상기 샘플링 채널들(31 내지 35) 중 적어도 2개의 출력 신호를 비교하기 위한 Q-모니터 회로, 및 상기 샘플링 채널들(31 내지 35) 중 N개를 상기 N개의 병렬 출력 리드들(26)에 및 상기 샘플링 채널들(31 내지 35) 중 적어도 2개를 상기 Q-모니터(37, 38)에 제어가능하게 접속시키기 위한 스위치 패브릭(switch fabric)(36)을 더 포함하는, 디지털 신호 수신기.
- 제 1 항에 있어서,상기 Q-모니터는 EXOR 게이트(37) 및 에러 카운터(38)를 포함하는, 디지털 신호 수신기.
- 제 1 항에 있어서,상기 스위치 패브릭(36)과 상기 출력 리드들(26) 사이에 접속된 D 플립-플롭들(flip-flops)(40)을 포함하는, 디지털 신호 수신기.
- 제 1 항에 있어서,상기 스위치 패브릭을 구성하고, 상기 Q-모니터의 의사 에러 카운트 값들(pseudo error count values)을 판독하고 상기 스위치 패브릭(36)을 통해 상기 Q-모니터에 접속된 상기 샘플링 채널들(31 내지 35) 중 적어도 하나에 대해 적어도 하나의 최적화된 파라미터를 결정하기 위한 마이크로제어기를 더 포함하는, 디지털 신호 수신기.
- 제 4 항에 있어서,가변 이득 증폭기(21) 및/또는 전기 등화기(22)를 더 포함하고,상기 마이크로제어기(25)는 상기 Q-모니터에 의해 전달된 의사 에러 카운트 값들에 의존하여 상기 가변 이득 증폭기(21) 및/또는 상기 전기 등화기(22)의 적어도 하나의 동작 파라미터를 조정하도록 구성되는, 디지털 신호 수신기.
- 제 1 항에 있어서,상기 샘플링 채널들은 샘플러, 문턱치/오프셋 보상(threshold/offset compensation; TH), 및 위상 시프터(phase shifter; PS)를 포함하는 모두 동일한 디자인인, 디지털 신호 수신기.
- 제 1 항에 있어서,상기 입력 신호로부터 복원된 클록 신호를 생성하기 위한 클록 복원 회 로(23)를 더 포함하는, 디지털 신호 수신기.
- 제 7 항에 있어서,상기 복원된 클록 신호는 상기 입력 신호의 비트레이트의 1/N의 클록 레이트를 갖는, 디지털 신호 수신기.
- 제 7 항에 있어서,상기 N개의 샘플링 채널들(31 내지 35)이 2π/N만큼 상호 시프트된 위상 값들을 갖도록 상기 스위치 패브릭(36)을 통해 상기 출력 리드들(26)에 접속된 상기 N개의 샘플링 채널들(31 내지 35)에서 위상 시프터들(PS)을 조정하도록 구성된 마이크로제어기(25)를 포함하는, 디지털 신호 수신기.
- 제 9 항에 있어서,상기 위상 시프터들(PS)은 상기 클록 복원 회로(23)로부터 90°만큼 상호 시프트된, 상기 클록 신호의 적어도 2개의 카피들(copies)을 수신하고,상기 위상 시프터들(PS)은 상기 적어도 2개의 카피들의 가중된 합으로서 위상 시프트된 클록 신호를 생성하도록 구성되고,상기 마이크로제어기(25)는 그들의 가중 팩터들(weighting factors)을 조정함으로써 상기 위상 시프터들(PS)을 조정하도록 구성되는, 디지털 신호 수신기.
- 높은-비트레이트 디지털 신호를 재생성하고 그것을 N>1인 N-비트 와이드 병렬 출력 신호로 전환하기 위한 방법에 있어서,ㆍ적어도 N+1개의 샘플링 채널들(31 내지 35)을 제공하는 단계;ㆍ상기 샘플링 채널들(31 내지 35) 중 N개를 병렬 신호 출력(26)에 접속시키는 단계;ㆍ적어도 하나의 나머지 샘플링 채널을 포함하는 상기 샘플링 채널들(31 내지 35) 중 2개를 Q-모니터(37, 38)에 접속시키는 단계;ㆍ그의 위상 및/또는 문턱치를 변경시킴으로써 상기 적어도 하나의 나머지 샘플링 채널의 1 또는 2 차원 아이 다이어그램(eye diagram)을 측정하기 위해 상기 Q-모니터(37, 38)를 사용하는 단계; 및ㆍ모든 샘플링 채널들에 대한 아이 다이어그램들이 측정될 때까지 샘플링 채널들(31 내지 35)의 상이한 할당을 사용하여 상기 단계들을 반복하는 단계를 포함하는, 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06300895A EP1892877B1 (en) | 2006-08-25 | 2006-08-25 | Digital signal receiver with Q-monitor |
| EP06300895.7 | 2006-08-25 | ||
| PCT/EP2007/057982 WO2008022886A1 (en) | 2006-08-25 | 2007-08-01 | Digital signal receiver with q-monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20090057036A true KR20090057036A (ko) | 2009-06-03 |
| KR101110099B1 KR101110099B1 (ko) | 2012-02-24 |
Family
ID=37663183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020097005860A Expired - Fee Related KR101110099B1 (ko) | 2006-08-25 | 2007-08-01 | 큐-모니터를 갖춘 디지털 신호 수신기 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7835464B2 (ko) |
| EP (1) | EP1892877B1 (ko) |
| JP (1) | JP5021032B2 (ko) |
| KR (1) | KR101110099B1 (ko) |
| CN (1) | CN101132238B (ko) |
| AT (1) | ATE416526T1 (ko) |
| DE (1) | DE602006004043D1 (ko) |
| WO (1) | WO2008022886A1 (ko) |
Families Citing this family (6)
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| JP5172773B2 (ja) * | 2009-04-27 | 2013-03-27 | 日本電信電話株式会社 | 信号検出装置、方法、プログラム及びその記録媒体 |
| JP4848035B2 (ja) * | 2009-12-16 | 2011-12-28 | ルネサスエレクトロニクス株式会社 | 受信回路 |
| US9001842B2 (en) | 2012-06-26 | 2015-04-07 | International Business Machines Corporation | Parallel receiver interface with receiver redundancy |
| US8861513B2 (en) | 2012-06-26 | 2014-10-14 | International Business Machines Corporation | Fault tolerant parallel receiver interface with receiver redundancy |
| US9325546B1 (en) * | 2014-11-14 | 2016-04-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Data rate and PVT adaptation with programmable bias control in a SerDes receiver |
| US9628189B2 (en) * | 2015-03-20 | 2017-04-18 | Ciena Corporation | System optimization of pulse shaping filters in fiber optic networks |
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-
2006
- 2006-08-25 EP EP06300895A patent/EP1892877B1/en not_active Not-in-force
- 2006-08-25 DE DE602006004043T patent/DE602006004043D1/de active Active
- 2006-08-25 AT AT06300895T patent/ATE416526T1/de not_active IP Right Cessation
-
2007
- 2007-08-01 KR KR1020097005860A patent/KR101110099B1/ko not_active Expired - Fee Related
- 2007-08-01 JP JP2009524995A patent/JP5021032B2/ja not_active Expired - Fee Related
- 2007-08-01 WO PCT/EP2007/057982 patent/WO2008022886A1/en not_active Ceased
- 2007-08-14 US US11/838,658 patent/US7835464B2/en not_active Expired - Fee Related
- 2007-08-24 CN CN2007101477111A patent/CN101132238B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101132238A (zh) | 2008-02-27 |
| US7835464B2 (en) | 2010-11-16 |
| EP1892877B1 (en) | 2008-12-03 |
| US20080292026A1 (en) | 2008-11-27 |
| JP5021032B2 (ja) | 2012-09-05 |
| EP1892877A1 (en) | 2008-02-27 |
| JP2010502066A (ja) | 2010-01-21 |
| ATE416526T1 (de) | 2008-12-15 |
| CN101132238B (zh) | 2012-10-10 |
| WO2008022886A1 (en) | 2008-02-28 |
| KR101110099B1 (ko) | 2012-02-24 |
| DE602006004043D1 (de) | 2009-01-15 |
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