DE602006009123D1 - Lesekanalvorrichtung mit asynchronem Oversampling, synchroner fraktional beabstandeter Entzerrung und digitaler Verstärkungsregelung. - Google Patents
Lesekanalvorrichtung mit asynchronem Oversampling, synchroner fraktional beabstandeter Entzerrung und digitaler Verstärkungsregelung.Info
- Publication number
- DE602006009123D1 DE602006009123D1 DE602006009123T DE602006009123T DE602006009123D1 DE 602006009123 D1 DE602006009123 D1 DE 602006009123D1 DE 602006009123 T DE602006009123 T DE 602006009123T DE 602006009123 T DE602006009123 T DE 602006009123T DE 602006009123 D1 DE602006009123 D1 DE 602006009123D1
- Authority
- DE
- Germany
- Prior art keywords
- read channel
- fractionally
- gain control
- synchronous
- spaced equalizer
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/09—Digital recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
- G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
- G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/213,127 US7394608B2 (en) | 2005-08-26 | 2005-08-26 | Read channel apparatus for asynchronous sampling and synchronous equalization |
| PCT/EP2006/063793 WO2007023012A1 (en) | 2005-08-26 | 2006-07-03 | Read channel apparatus for asynchronous oversampling, synchronous fractionally spaced equalization and digital gain control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602006009123D1 true DE602006009123D1 (de) | 2009-10-22 |
Family
ID=37307226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602006009123T Active DE602006009123D1 (de) | 2005-08-26 | 2006-07-03 | Lesekanalvorrichtung mit asynchronem Oversampling, synchroner fraktional beabstandeter Entzerrung und digitaler Verstärkungsregelung. |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US7394608B2 (de) |
| EP (1) | EP1917662B1 (de) |
| JP (1) | JP4959704B2 (de) |
| KR (1) | KR100968336B1 (de) |
| CN (1) | CN101248493A (de) |
| AT (1) | ATE442651T1 (de) |
| DE (1) | DE602006009123D1 (de) |
| WO (1) | WO2007023012A1 (de) |
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| US7522367B2 (en) * | 2005-11-23 | 2009-04-21 | International Business Machines Corporation | Asynchronous read channel shaped toward generalized partial response characteristics |
| US7953187B2 (en) * | 2006-06-21 | 2011-05-31 | Forte Design Systems Limited | Likelihood detector apparatus and method |
| US7738201B2 (en) * | 2006-08-18 | 2010-06-15 | Seagate Technology Llc | Read error recovery using soft information |
| TWI351204B (en) * | 2007-10-29 | 2011-10-21 | Realtek Semiconductor Corp | Network apparatus and network signal processing method |
| TWI407744B (zh) * | 2008-02-04 | 2013-09-01 | Realtek Semiconductor Corp | 網路信號處理裝置 |
| US8245104B2 (en) | 2008-05-02 | 2012-08-14 | Lsi Corporation | Systems and methods for queue based data detection and decoding |
| US8018360B2 (en) * | 2008-05-19 | 2011-09-13 | Agere Systems Inc. | Systems and methods for mitigating latency in a data detector feedback loop |
| US8949701B2 (en) | 2008-09-23 | 2015-02-03 | Agere Systems Inc. | Systems and methods for low latency media defect detection |
| KR20110086504A (ko) * | 2008-11-20 | 2011-07-28 | 엘에스아이 코포레이션 | 노이즈 감소 데이터 프로세싱 회로, 노이즈 감소 데이터 프로세싱 회로를 위한 시스템 및 방법 |
| US8266505B2 (en) | 2009-08-12 | 2012-09-11 | Lsi Corporation | Systems and methods for retimed virtual data processing |
| WO2011064619A1 (en) * | 2009-11-26 | 2011-06-03 | Freescale Semiconductor, Inc. | Receiver and method for equalizing signals |
| US8773794B2 (en) | 2010-09-13 | 2014-07-08 | Lsi Corporation | Systems and methods for block-wise inter-track interference compensation |
| US8385014B2 (en) | 2010-10-11 | 2013-02-26 | Lsi Corporation | Systems and methods for identifying potential media failure |
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| WO2012122237A2 (en) * | 2011-03-07 | 2012-09-13 | Acacia Communications Incorporated | Turn-up and long term operation of adaptive equalizer in optical |
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| US8565047B2 (en) | 2011-04-28 | 2013-10-22 | Lsi Corporation | Systems and methods for data write loopback based timing control |
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| US8566665B2 (en) | 2011-06-24 | 2013-10-22 | Lsi Corporation | Systems and methods for error correction using low density parity check codes using multiple layer check equations |
| US8560929B2 (en) | 2011-06-24 | 2013-10-15 | Lsi Corporation | Systems and methods for non-binary decoding |
| US8830613B2 (en) | 2011-07-19 | 2014-09-09 | Lsi Corporation | Storage media inter-track interference cancellation |
| US8819527B2 (en) | 2011-07-19 | 2014-08-26 | Lsi Corporation | Systems and methods for mitigating stubborn errors in a data processing system |
| US8879182B2 (en) | 2011-07-19 | 2014-11-04 | Lsi Corporation | Storage media inter-track interference cancellation |
| US8854754B2 (en) | 2011-08-19 | 2014-10-07 | Lsi Corporation | Systems and methods for local iteration adjustment |
| US8539328B2 (en) | 2011-08-19 | 2013-09-17 | Lsi Corporation | Systems and methods for noise injection driven parameter selection |
| US9026572B2 (en) | 2011-08-29 | 2015-05-05 | Lsi Corporation | Systems and methods for anti-causal noise predictive filtering in a data channel |
| US8681441B2 (en) | 2011-09-08 | 2014-03-25 | Lsi Corporation | Systems and methods for generating predictable degradation bias |
| US8661324B2 (en) | 2011-09-08 | 2014-02-25 | Lsi Corporation | Systems and methods for non-binary decoding biasing control |
| US8850276B2 (en) | 2011-09-22 | 2014-09-30 | Lsi Corporation | Systems and methods for efficient data shuffling in a data processing system |
| US8767333B2 (en) | 2011-09-22 | 2014-07-01 | Lsi Corporation | Systems and methods for pattern dependent target adaptation |
| US8479086B2 (en) | 2011-10-03 | 2013-07-02 | Lsi Corporation | Systems and methods for efficient parameter modification |
| US8578241B2 (en) | 2011-10-10 | 2013-11-05 | Lsi Corporation | Systems and methods for parity sharing data processing |
| US8689062B2 (en) | 2011-10-03 | 2014-04-01 | Lsi Corporation | Systems and methods for parameter selection using reliability information |
| US8862960B2 (en) | 2011-10-10 | 2014-10-14 | Lsi Corporation | Systems and methods for parity shared data encoding |
| US8683309B2 (en) | 2011-10-28 | 2014-03-25 | Lsi Corporation | Systems and methods for ambiguity based decode algorithm modification |
| US8527858B2 (en) | 2011-10-28 | 2013-09-03 | Lsi Corporation | Systems and methods for selective decode algorithm modification |
| US8443271B1 (en) | 2011-10-28 | 2013-05-14 | Lsi Corporation | Systems and methods for dual process data decoding |
| US8531320B2 (en) | 2011-11-14 | 2013-09-10 | Lsi Corporation | Systems and methods for memory efficient data decoding |
| US8751913B2 (en) | 2011-11-14 | 2014-06-10 | Lsi Corporation | Systems and methods for reduced power multi-layer data decoding |
| US8773811B2 (en) | 2011-12-12 | 2014-07-08 | Lsi Corporation | Systems and methods for zone servo timing gain recovery |
| US8681444B2 (en) | 2012-06-07 | 2014-03-25 | Lsi Corporation | Multi-zone servo processor |
| US8625216B2 (en) | 2012-06-07 | 2014-01-07 | Lsi Corporation | Servo zone detector |
| CN104769875B (zh) | 2012-06-20 | 2018-07-06 | 安华高科技通用Ip(新加坡)公司 | 采用正交频分复用的高频谱效率传输 |
| US8559498B1 (en) | 2012-06-20 | 2013-10-15 | MagnaCom Ltd. | Decision feedback equalizer utilizing symbol error rate biased adaptation function for highly spectrally efficient communications |
| US8564897B1 (en) | 2012-06-21 | 2013-10-22 | Lsi Corporation | Systems and methods for enhanced sync mark detection |
| US8687310B1 (en) * | 2012-11-28 | 2014-04-01 | Lsi Corporation | Iterative decoding using adaptive feedback |
| US9019641B2 (en) | 2012-12-13 | 2015-04-28 | Lsi Corporation | Systems and methods for adaptive threshold pattern detection |
| US9053217B2 (en) | 2013-02-17 | 2015-06-09 | Lsi Corporation | Ratio-adjustable sync mark detection system |
| US9196297B2 (en) | 2013-03-14 | 2015-11-24 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems and methods for enhanced sync mark mis-detection protection |
| US8964321B2 (en) | 2013-05-31 | 2015-02-24 | International Business Machines Corporation | Iterative data storage read channel architecture having dropout mitigation |
| US9214187B2 (en) | 2013-05-31 | 2015-12-15 | International Business Machines Corporation | Cycle-slip resilient iterative data storage read channel architecture |
| US8988798B2 (en) | 2013-05-31 | 2015-03-24 | International Business Machines Corporation | Iterative data storage read channel architecture |
| US9275655B2 (en) | 2013-06-11 | 2016-03-01 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Timing error detector with diversity loop detector decision feedback |
| US10152999B2 (en) | 2013-07-03 | 2018-12-11 | Avago Technologies International Sales Pte. Limited | Systems and methods for correlation based data alignment |
| US9129650B2 (en) | 2013-07-25 | 2015-09-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Array-reader based magnetic recording systems with frequency division multiplexing |
| US9129646B2 (en) | 2013-09-07 | 2015-09-08 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Array-reader based magnetic recording systems with mixed synchronization |
| US9118519B2 (en) * | 2013-11-01 | 2015-08-25 | MagnaCom Ltd. | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator |
| US9323625B2 (en) | 2013-11-12 | 2016-04-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Systems and methods for lost synchronization data set reprocessing |
| US9130637B2 (en) | 2014-01-21 | 2015-09-08 | MagnaCom Ltd. | Communication methods and systems for nonlinear multi-user environments |
| US9496900B2 (en) | 2014-05-06 | 2016-11-15 | MagnaCom Ltd. | Signal acquisition in a multimode environment |
| US8891701B1 (en) | 2014-06-06 | 2014-11-18 | MagnaCom Ltd. | Nonlinearity compensation for reception of OFDM signals |
| US9246523B1 (en) | 2014-08-27 | 2016-01-26 | MagnaCom Ltd. | Transmitter signal shaping |
| US9224420B1 (en) | 2014-10-02 | 2015-12-29 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Syncmark detection failure recovery system |
| US9191247B1 (en) | 2014-12-09 | 2015-11-17 | MagnaCom Ltd. | High-performance sequence estimation system and method of operation |
| US9183877B1 (en) * | 2015-03-20 | 2015-11-10 | Western Digital Technologies, Inc. | Data storage device comprising two-dimensional data dependent noise whitening filters for two-dimensional recording |
| US9780945B1 (en) * | 2016-04-01 | 2017-10-03 | Intel IP Corporation | Methods and devices for spur cancellation in digital phase locked loops |
| CN110247751B (zh) * | 2018-11-15 | 2022-05-03 | 浙江芯昇电子技术有限公司 | 正交幅度调制qam信号位同步的方法、装置及存储介质 |
| TWI718808B (zh) | 2019-12-16 | 2021-02-11 | 瑞昱半導體股份有限公司 | 干擾消除器與干擾消除方法 |
| CN114793154B (zh) * | 2022-06-20 | 2022-09-06 | 天地信息网络研究院(安徽)有限公司 | 一种定时同步锁定检测方法 |
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-
2005
- 2005-08-26 US US11/213,127 patent/US7394608B2/en active Active
-
2006
- 2006-07-03 EP EP06792475A patent/EP1917662B1/de active Active
- 2006-07-03 DE DE602006009123T patent/DE602006009123D1/de active Active
- 2006-07-03 WO PCT/EP2006/063793 patent/WO2007023012A1/en active Application Filing
- 2006-07-03 JP JP2008527407A patent/JP4959704B2/ja not_active Expired - Fee Related
- 2006-07-03 AT AT06792475T patent/ATE442651T1/de not_active IP Right Cessation
- 2006-07-03 CN CNA2006800311485A patent/CN101248493A/zh active Pending
- 2006-07-03 KR KR1020087004505A patent/KR100968336B1/ko active IP Right Grant
-
2008
- 2008-07-01 US US12/166,136 patent/US7684139B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009506469A (ja) | 2009-02-12 |
| US20070047121A1 (en) | 2007-03-01 |
| KR100968336B1 (ko) | 2010-07-08 |
| ATE442651T1 (de) | 2009-09-15 |
| JP4959704B2 (ja) | 2012-06-27 |
| WO2007023012A1 (en) | 2007-03-01 |
| EP1917662A1 (de) | 2008-05-07 |
| EP1917662B1 (de) | 2009-09-09 |
| KR20080040733A (ko) | 2008-05-08 |
| US7684139B2 (en) | 2010-03-23 |
| US20080259484A1 (en) | 2008-10-23 |
| US7394608B2 (en) | 2008-07-01 |
| CN101248493A (zh) | 2008-08-20 |
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