DE60028012T2 - Kalman-entzerrung in mehrträgerempfängern - Google Patents
Kalman-entzerrung in mehrträgerempfängern Download PDFInfo
- Publication number
- DE60028012T2 DE60028012T2 DE60028012T DE60028012T DE60028012T2 DE 60028012 T2 DE60028012 T2 DE 60028012T2 DE 60028012 T DE60028012 T DE 60028012T DE 60028012 T DE60028012 T DE 60028012T DE 60028012 T2 DE60028012 T2 DE 60028012T2
- Authority
- DE
- Germany
- Prior art keywords
- data
- estimate
- frequency domain
- kalman filter
- subscriber line
- 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 - Lifetime
Links
- 238000005034 decoration Methods 0.000 title 1
- 238000004891 communication Methods 0.000 claims abstract description 71
- 238000000034 method Methods 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 13
- 238000012546 transfer Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000012935 Averaging Methods 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 4
- 230000009466 transformation Effects 0.000 claims 2
- 238000013459 approach Methods 0.000 abstract description 9
- 108091006146 Channels Proteins 0.000 description 62
- 230000007246 mechanism Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 238000009499 grossing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
-
- 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
- H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-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
- H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- 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
- H04L2025/03522—Frequency domain
-
- 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
- H04L2025/03592—Adaptation methods
- H04L2025/03598—Algorithms
- H04L2025/03611—Iterative algorithms
- H04L2025/03617—Time recursive algorithms
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12334899P | 1999-03-08 | 1999-03-08 | |
| US123348P | 1999-03-08 | ||
| US09/516,715 US6295326B1 (en) | 1999-03-08 | 2000-03-01 | Kalman filter based equalization for digital multicarrier communications systems |
| US516715 | 2000-03-01 | ||
| PCT/US2000/006045 WO2000054472A1 (en) | 1999-03-08 | 2000-03-08 | Kalman equalization in multicarrier receivers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60028012D1 DE60028012D1 (de) | 2006-06-22 |
| DE60028012T2 true DE60028012T2 (de) | 2006-12-14 |
Family
ID=22408156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60028012T Expired - Lifetime DE60028012T2 (de) | 1999-03-08 | 2000-03-08 | Kalman-entzerrung in mehrträgerempfängern |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6295326B1 (enExample) |
| EP (1) | EP1157514B1 (enExample) |
| JP (1) | JP3751203B2 (enExample) |
| AT (1) | ATE326810T1 (enExample) |
| DE (1) | DE60028012T2 (enExample) |
| WO (1) | WO2000054472A1 (enExample) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7096192B1 (en) | 1997-07-28 | 2006-08-22 | Cybersource Corporation | Method and system for detecting fraud in a credit card transaction over a computer network |
| US7403922B1 (en) | 1997-07-28 | 2008-07-22 | Cybersource Corporation | Method and apparatus for evaluating fraud risk in an electronic commerce transaction |
| KR100282147B1 (ko) * | 1998-11-13 | 2001-02-15 | 구자홍 | 압축 영상 복원 방법 |
| CA2381314A1 (en) * | 1999-12-30 | 2001-07-12 | Bandspeed, Inc. | Approach for processing data received from a communications channel in finite precision arithmetic applications |
| US6963603B1 (en) | 2000-06-06 | 2005-11-08 | Ikanos Communication, Inc. | Method and apparatus for pre-compensation of an XDSL modem |
| US6996199B2 (en) * | 2001-01-25 | 2006-02-07 | Bandspeed, Inc. | Approach for processing data received from a communications channel to reduce noise power and optimize impulse response length to reduce inter-symbol interference and inter-channel interference |
| US7272199B2 (en) * | 2001-01-25 | 2007-09-18 | Bandspeed, Inc. | Adaptive adjustment of time and frequency domain equalizers in communications systems |
| US6760373B2 (en) * | 2001-08-02 | 2004-07-06 | Aware, Inc. | Systems and methods for multicarrier modulation using multi-tap frequency-domain equalizer and decision feedback |
| US7388930B1 (en) | 2001-08-10 | 2008-06-17 | Bandspeed, Inc. | Method and apparatus for removing crosstalk and other interference in communications systems |
| JP3782330B2 (ja) * | 2001-09-14 | 2006-06-07 | 富士通株式会社 | Ｏｆｄｍ受信方法及びｏｆｄｍ受信装置 |
| US7209433B2 (en) * | 2002-01-07 | 2007-04-24 | Hitachi, Ltd. | Channel estimation and compensation techniques for use in frequency division multiplexed systems |
| US7173991B2 (en) | 2002-06-17 | 2007-02-06 | Hitachi, Ltd. | Methods and apparatus for spectral filtering channel estimates |
| US7139340B2 (en) * | 2002-06-28 | 2006-11-21 | Hitachi, Ltd. | Robust OFDM carrier recovery methods and apparatus |
| US20040096008A1 (en) * | 2002-08-01 | 2004-05-20 | Aware, Inc. | Multi-tap frequency domain equalization with decision feedback and trellis decoding |
| KR100498465B1 (ko) * | 2002-11-23 | 2005-07-01 | 삼성전자주식회사 | 채널 등화 방법 및 채널 등화기 |
| WO2004086709A1 (en) * | 2003-03-28 | 2004-10-07 | Intel Corporation | System and method for adaptive phase compensation of ofdm signals |
| EP1611722B1 (en) * | 2003-03-28 | 2017-04-19 | Intel Corporation | System and method for two channel frequency offset estimation of ofdm signals |
| CN100576834C (zh) * | 2003-03-28 | 2009-12-30 | 英特尔公司 | 用于ofdm符号定时同步的方法和装置 |
| US7586982B2 (en) * | 2003-05-06 | 2009-09-08 | Nokia Corporation | Kalman filter based method and apparatus for linear equalization of CDMA downlink channels |
| CN1607787B9 (zh) * | 2003-07-28 | 2018-12-14 | 上海宣普实业有限公司 | 时分无线通信系统的自动频率校正方法 |
| US7321550B2 (en) * | 2004-02-17 | 2008-01-22 | Industrial Technology Research Institute | Method of equalization in an OFDM system |
| US7573965B2 (en) * | 2005-12-12 | 2009-08-11 | Sandbridge Technologies Inc. | Kalman filter for channel estimation in OFDM systems |
| US7894512B2 (en) * | 2007-07-31 | 2011-02-22 | Harris Corporation | System and method for automatic recovery and covariance adjustment in linear filters |
| US7751237B2 (en) * | 2007-09-25 | 2010-07-06 | Sandisk Il, Ltd. | Post-facto correction for cross coupling in a flash memory |
| FR3102620B1 (fr) | 2019-10-24 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
| FR3113142B1 (fr) | 2020-07-30 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
| FR3113140B1 (fr) | 2020-07-30 | 2022-12-23 | St Microelectronics Grenoble 2 | Convertisseur de tension |
| CN112532239B (zh) * | 2020-11-24 | 2024-01-02 | 珠海泰芯半导体有限公司 | 一种usb数据恢复系统 |
| CN115296701B (zh) * | 2022-08-01 | 2025-12-12 | 华北电力大学 | 面向分布式能源调控的直流电力线载波抗干扰装置及方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426026B1 (en) * | 1989-10-31 | 1996-08-28 | Mitsubishi Denki Kabushiki Kaisha | Equalizer |
| US5111481A (en) * | 1989-11-17 | 1992-05-05 | Nynex Corporation | Dual mode LMS channel equalizer |
| US5432816A (en) * | 1992-04-10 | 1995-07-11 | International Business Machines Corporation | System and method of robust sequence estimation in the presence of channel mismatch conditions |
| US5432821A (en) | 1992-12-02 | 1995-07-11 | University Of Southern California | System and method for estimating data sequences in digital transmissions |
| FI961164A7 (fi) | 1996-03-13 | 1997-09-14 | Nokia Technology Gmbh | Menetelmä kanavavirheiden korjaamiseksi digitaalisessa tietoliikennejärjestelmässä |
| US5995567A (en) | 1996-04-19 | 1999-11-30 | Texas Instruments Incorporated | Radio frequency noise canceller |
| US5715280A (en) * | 1996-06-20 | 1998-02-03 | Aware, Inc. | Method for partially modulating and demodulating data in a multi-carrier transmission system |
| US5867478A (en) | 1997-06-20 | 1999-02-02 | Motorola, Inc. | Synchronous coherent orthogonal frequency division multiplexing system, method, software and device |
| EP0912023A1 (en) | 1997-10-27 | 1999-04-28 | Alcatel | Demodulation and equalisation of multicarrier signals |
-
2000
- 2000-03-01 US US09/516,715 patent/US6295326B1/en not_active Expired - Lifetime
- 2000-03-08 WO PCT/US2000/006045 patent/WO2000054472A1/en not_active Ceased
- 2000-03-08 AT AT00913812T patent/ATE326810T1/de not_active IP Right Cessation
- 2000-03-08 EP EP00913812A patent/EP1157514B1/en not_active Expired - Lifetime
- 2000-03-08 DE DE60028012T patent/DE60028012T2/de not_active Expired - Lifetime
- 2000-03-08 JP JP2000604584A patent/JP3751203B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP3751203B2 (ja) | 2006-03-01 |
| DE60028012D1 (de) | 2006-06-22 |
| ATE326810T1 (de) | 2006-06-15 |
| EP1157514B1 (en) | 2006-05-17 |
| US6295326B1 (en) | 2001-09-25 |
| JP2005501430A (ja) | 2005-01-13 |
| WO2000054472A1 (en) | 2000-09-14 |
| EP1157514A1 (en) | 2001-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: MURAMOTO SCIENTIFIC, LLC, WILMINGTON, DELAWARE, US |