KR20050041969A - 적응 등화장치, 복호장치 및 오차 검출장치 - Google Patents
적응 등화장치, 복호장치 및 오차 검출장치 Download PDFInfo
- Publication number
- KR20050041969A KR20050041969A KR1020040087322A KR20040087322A KR20050041969A KR 20050041969 A KR20050041969 A KR 20050041969A KR 1020040087322 A KR1020040087322 A KR 1020040087322A KR 20040087322 A KR20040087322 A KR 20040087322A KR 20050041969 A KR20050041969 A KR 20050041969A
- Authority
- KR
- South Korea
- Prior art keywords
- isi
- fff
- response
- equalization
- filter
- 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.)
- Withdrawn
Links
- 230000003044 adaptive effect Effects 0.000 title claims description 28
- 230000004044 response Effects 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 claims description 38
- 238000004364 calculation method Methods 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 18
- 238000007476 Maximum Likelihood Methods 0.000 claims description 7
- 230000010363 phase shift Effects 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 abstract description 11
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 2
- 101710162828 Flavin-dependent thymidylate synthase Proteins 0.000 abstract 3
- 101710135409 Probable flavin-dependent thymidylate synthase Proteins 0.000 abstract 3
- VIFIHLXNOOCGLJ-UHFFFAOYSA-N trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)silane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CC[Si](Cl)(Cl)Cl VIFIHLXNOOCGLJ-UHFFFAOYSA-N 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 37
- 230000001364 causal effect Effects 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 230000002087 whitening effect Effects 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 3
- 102000020897 Formins Human genes 0.000 description 2
- 108091022623 Formins Proteins 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003371112A JP2005135532A (ja) | 2003-10-30 | 2003-10-30 | 適応等化装置、復号装置、及び誤差検出装置 |
| JPJP-P-2003-00371112 | 2003-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20050041969A true KR20050041969A (ko) | 2005-05-04 |
Family
ID=34420216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020040087322A Withdrawn KR20050041969A (ko) | 2003-10-30 | 2004-10-29 | 적응 등화장치, 복호장치 및 오차 검출장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20050135472A1 (https=) |
| EP (1) | EP1528560A1 (https=) |
| JP (1) | JP2005135532A (https=) |
| KR (1) | KR20050041969A (https=) |
| CN (1) | CN1612477A (https=) |
| TW (1) | TWI273770B (https=) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7545862B2 (en) | 2004-02-16 | 2009-06-09 | Sony Corporation | Adaptive equalizer, decoding device, and error detecting device |
| US7515665B2 (en) * | 2005-05-31 | 2009-04-07 | Skyworks Solutions, Inc. | GFSK/GMSK detector with enhanced performance in co-channel interference and AWGN channels |
| US7702011B2 (en) * | 2005-08-03 | 2010-04-20 | Altera Corporation | High-speed serial data receiver architecture |
| KR100677915B1 (ko) | 2005-08-05 | 2007-02-05 | 삼성탈레스 주식회사 | 잡음 예측 결정 궤환 등화기 |
| US7889818B2 (en) * | 2006-11-14 | 2011-02-15 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling sampling of signals produced in relation to stored data |
| CN101743591B (zh) * | 2007-12-21 | 2013-03-06 | Lsi公司 | 用于记录通道中自适应均衡的系统和方法 |
| TWI392296B (zh) | 2009-06-15 | 2013-04-01 | Realtek Semiconductor Corp | 通訊信號接收器及其訊號處理方法 |
| CN101958857B (zh) * | 2009-07-17 | 2013-04-24 | 瑞昱半导体股份有限公司 | 通讯信号接收器及其信号处理方法 |
| CN102243880B (zh) * | 2011-03-16 | 2015-02-18 | 中国科学院上海光学精密机械研究所 | 变参数自适应prml数据接收器及其数据处理方法 |
| US9225562B2 (en) * | 2012-02-27 | 2015-12-29 | Intel Deutschland Gmbh | Digital wideband closed loop phase modulator with modulation gain calibration |
| US8559496B1 (en) | 2012-06-20 | 2013-10-15 | MagnaCom Ltd. | Signal reception using non-linearity-compensated, partial response feedback |
| 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 |
| US8781008B2 (en) | 2012-06-20 | 2014-07-15 | MagnaCom Ltd. | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing |
| US8982984B2 (en) | 2012-06-20 | 2015-03-17 | MagnaCom Ltd. | Dynamic filter adjustment for highly-spectrally-efficient communications |
| US8811548B2 (en) | 2012-11-14 | 2014-08-19 | MagnaCom, Ltd. | Hypotheses generation based on multidimensional slicing |
| US9088400B2 (en) | 2012-11-14 | 2015-07-21 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| US9118519B2 (en) | 2013-11-01 | 2015-08-25 | MagnaCom Ltd. | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator |
| US8804879B1 (en) | 2013-11-13 | 2014-08-12 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
| 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 |
| US9276619B1 (en) | 2014-12-08 | 2016-03-01 | MagnaCom Ltd. | Dynamic configuration of modulation and demodulation |
| US9191247B1 (en) | 2014-12-09 | 2015-11-17 | MagnaCom Ltd. | High-performance sequence estimation system and method of operation |
| CN112910809B (zh) * | 2019-11-19 | 2023-12-15 | 瑞昱半导体股份有限公司 | 信号均衡装置及方法 |
| US12117566B2 (en) | 2021-03-29 | 2024-10-15 | Beijing Voyager Technology Co., Ltd. | Feed-forward equalization for enhanced distance resolution |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144697A (en) * | 1998-02-02 | 2000-11-07 | Purdue Research Foundation | Equalization techniques to reduce intersymbol interference |
| US6094316A (en) * | 1998-03-27 | 2000-07-25 | Samsung Electronics Co., Ltd. | Method and apparatus for providing thermal asperity compensation in a fixed delay tree search detector |
| JP3749889B2 (ja) * | 2002-10-17 | 2006-03-01 | 株式会社東芝 | Ｐｒｍｌ検出を適用する信号処理デバイス、同デバイスを備えたディスク記憶装置、及び同装置におけるフィードバック制御のための信号処理方法 |
| US7286595B2 (en) * | 2003-10-10 | 2007-10-23 | Hitachi Global Storage Technologies Netherlands B.V. | Apparatus using a lengthened equalization target filter with a matched filter metric in a viterbi detector |
-
2003
- 2003-10-30 JP JP2003371112A patent/JP2005135532A/ja not_active Abandoned
-
2004
- 2004-10-28 US US10/974,836 patent/US20050135472A1/en not_active Abandoned
- 2004-10-29 CN CNA2004100880309A patent/CN1612477A/zh active Pending
- 2004-10-29 EP EP04292566A patent/EP1528560A1/en not_active Withdrawn
- 2004-10-29 TW TW093132870A patent/TWI273770B/zh not_active IP Right Cessation
- 2004-10-29 KR KR1020040087322A patent/KR20050041969A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005135532A (ja) | 2005-05-26 |
| CN1612477A (zh) | 2005-05-04 |
| TW200527813A (en) | 2005-08-16 |
| US20050135472A1 (en) | 2005-06-23 |
| TWI273770B (en) | 2007-02-11 |
| EP1528560A1 (en) | 2005-05-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20041029 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |