CA2502814A1 - Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan - Google Patents
Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan Download PDFInfo
- Publication number
- CA2502814A1 CA2502814A1 CA002502814A CA2502814A CA2502814A1 CA 2502814 A1 CA2502814 A1 CA 2502814A1 CA 002502814 A CA002502814 A CA 002502814A CA 2502814 A CA2502814 A CA 2502814A CA 2502814 A1 CA2502814 A1 CA 2502814A1
- Authority
- CA
- Canada
- Prior art keywords
- isi
- chip
- postcursor
- cck
- precursor
- 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.)
- Abandoned
Links
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 abstract description 17
- 238000013461 design Methods 0.000 abstract description 8
- 238000013459 approach Methods 0.000 abstract description 7
- 210000005103 brain tumor initiating cell Anatomy 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 20
- 239000002243 precursor Substances 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005562 fading Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007476 Maximum Likelihood Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241001133287 Artocarpus hirsutus Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
-
- 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
- H04L25/03171—Arrangements involving maximum a posteriori probability [MAP] detection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
- Error Detection And Correction (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42105602P | 2002-10-25 | 2002-10-25 | |
| US60/421,056 | 2002-10-25 | ||
| US10/690,629 US7606293B2 (en) | 2002-10-25 | 2003-10-23 | Bidirectional turbo ISI canceller-based DSSS receiver for high-speed wireless LAN |
| US10/690,629 | 2003-10-23 | ||
| PCT/US2003/033949 WO2004038936A2 (en) | 2002-10-25 | 2003-10-24 | Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2502814A1 true CA2502814A1 (en) | 2004-05-06 |
Family
ID=32179835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002502814A Abandoned CA2502814A1 (en) | 2002-10-25 | 2003-10-24 | Bidirectional turbo isi canceller-based dsss receiver for high-speed wireless lan |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7606293B2 (enExample) |
| EP (1) | EP1556959A2 (enExample) |
| JP (1) | JP4426455B2 (enExample) |
| KR (1) | KR101068639B1 (enExample) |
| AU (1) | AU2003286696A1 (enExample) |
| CA (1) | CA2502814A1 (enExample) |
| TW (1) | TWI336175B (enExample) |
| WO (1) | WO2004038936A2 (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7206365B2 (en) * | 2003-01-24 | 2007-04-17 | Via Technologies Inc | Decision sequence generating method and associated receiver with a decision feedback equalizer |
| US7873128B2 (en) * | 2003-02-07 | 2011-01-18 | Broadcom Corporation | Method and system for equalization in a communications system |
| US7342952B2 (en) * | 2003-06-24 | 2008-03-11 | Qualcomm Incorporated | Slicer input and feedback filter contents for block coded digital communications |
| GB2404822B (en) * | 2003-08-07 | 2007-07-11 | Ipwireless Inc | Method and arrangement for noise variance and sir estimation |
| US7437135B2 (en) | 2003-10-30 | 2008-10-14 | Interdigital Technology Corporation | Joint channel equalizer interference canceller advanced receiver |
| KR100604827B1 (ko) * | 2003-11-05 | 2006-07-28 | 삼성전자주식회사 | 에너지 손실을 보상하고 심볼간 간섭 및 칩간 간섭을동시에 제거하는 무선 랜을 위한 레이크 수신기 및 그 방법 |
| US7298780B2 (en) * | 2003-12-12 | 2007-11-20 | Nokia Corporation | Multiple access using different codes lengths for global navigation satellite systems |
| US7400692B2 (en) | 2004-01-14 | 2008-07-15 | Interdigital Technology Corporation | Telescoping window based equalization |
| US20080225381A1 (en) * | 2007-03-14 | 2008-09-18 | Heffner Brian L | Delay line interferometer having a stepped delay element |
| US20080225380A1 (en) * | 2007-03-14 | 2008-09-18 | Heffner Brian L | Delay line interferometer having a movable mirror |
| US7970289B2 (en) * | 2007-03-14 | 2011-06-28 | Opnext Subsystems, Inc. | GT decoder having bandwidth control for ISI compensation |
| US7983573B2 (en) * | 2007-03-14 | 2011-07-19 | Opnext Subsystems, Inc. | Optical receiver having FSR phase compensation |
| US7991300B2 (en) * | 2007-11-05 | 2011-08-02 | Opnext Subsystems, Inc. | Optical receiver having bandwidth control for intersymbol interference compensation |
| US20080232821A1 (en) * | 2007-03-22 | 2008-09-25 | Christian Malouin | Optical receiver having transfer function bandwidth selection |
| EP2145407A1 (en) * | 2007-03-14 | 2010-01-20 | Stratalight Communications, Inc. | Optical receivers for optical communications |
| US8023833B2 (en) * | 2007-03-22 | 2011-09-20 | Opnext Subsystems, Inc. | Optical receivers with controllable transfer function bandwidth and gain imbalance |
| KR101597090B1 (ko) * | 2008-06-19 | 2016-02-24 | 삼성전자주식회사 | 이동통신 시스템의 수신 장치 및 방법 |
| CN102739589B (zh) * | 2011-04-08 | 2015-10-28 | 中国科学院微电子研究所 | 一种用于无线局域网通信系统的补码键控调制装置及方法 |
| TWI433480B (zh) * | 2011-07-19 | 2014-04-01 | Raydium Semiconductor Corp | 可調適等化器及其運作方法 |
| US8615062B2 (en) | 2012-02-07 | 2013-12-24 | Lsi Corporation | Adaptation using error signature analysis in a communication system |
| US9014313B2 (en) | 2012-02-07 | 2015-04-21 | Lsi Corporation | Error signature analysis for data and clock recovery in a communication system |
| US9413571B2 (en) * | 2012-03-06 | 2016-08-09 | University Of Maryland | System and method for time reversal data communications on pipes using guided elastic waves |
| EP2696546A1 (en) * | 2012-08-06 | 2014-02-12 | Alcatel Lucent | Time-Reversed Equalization Of Communication Signals |
| US10327213B1 (en) * | 2015-10-01 | 2019-06-18 | Origin Wireless, Inc. | Time-reversal communication systems |
| US9276782B1 (en) * | 2015-04-28 | 2016-03-01 | Xilinx, Inc. | Precursor inter-symbol interference reduction |
| KR20170133550A (ko) | 2016-05-25 | 2017-12-06 | 삼성전자주식회사 | 수신기 및 그의 검파 방법 |
| CN106656259A (zh) * | 2016-09-19 | 2017-05-10 | 大连工业大学 | 一种衰落环境下混合多径信号接收方法和系统 |
| CN110618887B (zh) * | 2019-01-08 | 2020-06-23 | 南京恒瑞欣电子科技有限公司 | 多计算机式管理控制系统 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056117A (en) * | 1989-08-07 | 1991-10-08 | At&T Bell Laboratories | Decision feedback equalization with trellis coding |
| JP2960560B2 (ja) | 1991-02-28 | 1999-10-06 | 株式会社日立製作所 | 超小型電子機器 |
| CA2206661C (en) * | 1997-05-29 | 2004-07-20 | Telecommunications Research Laboratories | A duplex decision feedback equalization system |
| US6678310B1 (en) * | 1998-01-16 | 2004-01-13 | Intersil Americas Inc | Wireless local area network spread spectrum transceiver with multipath mitigation |
| GB9907354D0 (en) * | 1999-03-30 | 1999-05-26 | Univ Bristol | Adaptive filter equalisation techniques |
| JP3428490B2 (ja) | 1999-04-22 | 2003-07-22 | 岩崎通信機株式会社 | ディジタル情報の無線伝送方法及び装置 |
| US6614836B1 (en) | 2000-01-28 | 2003-09-02 | Intersil Americas Inc. | Biased-corrected rake receiver for direct sequence spread spectrum waveform |
| US7106813B1 (en) * | 2000-03-16 | 2006-09-12 | Qualcomm, Incorporated | Method and apparatus for combined soft-decision based interference cancellation and decoding |
| US6647077B1 (en) | 2000-07-31 | 2003-11-11 | Rf Micro Devices, Inc. | Multipath parameter estimation in spread-spectrum communications systems |
| US7006563B2 (en) * | 2001-02-01 | 2006-02-28 | Broadcom Corporation | Decision feedback equalizer for minimum and maximum phase channels |
| DE10208416A1 (de) * | 2002-02-27 | 2003-09-25 | Advanced Micro Devices Inc | Interferenzverminderung in CCK-modulierten Signalen |
-
2003
- 2003-10-23 US US10/690,629 patent/US7606293B2/en active Active
- 2003-10-24 JP JP2004547172A patent/JP4426455B2/ja not_active Expired - Lifetime
- 2003-10-24 CA CA002502814A patent/CA2502814A1/en not_active Abandoned
- 2003-10-24 KR KR1020057007128A patent/KR101068639B1/ko not_active Expired - Fee Related
- 2003-10-24 AU AU2003286696A patent/AU2003286696A1/en not_active Abandoned
- 2003-10-24 EP EP03777906A patent/EP1556959A2/en not_active Withdrawn
- 2003-10-24 TW TW092129616A patent/TWI336175B/zh not_active IP Right Cessation
- 2003-10-24 WO PCT/US2003/033949 patent/WO2004038936A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| AU2003286696A1 (en) | 2004-05-13 |
| US20040131109A1 (en) | 2004-07-08 |
| JP2006504333A (ja) | 2006-02-02 |
| JP4426455B2 (ja) | 2010-03-03 |
| US7606293B2 (en) | 2009-10-20 |
| TWI336175B (en) | 2011-01-11 |
| AU2003286696A8 (en) | 2004-05-13 |
| EP1556959A2 (en) | 2005-07-27 |
| WO2004038936A2 (en) | 2004-05-06 |
| TW200419958A (en) | 2004-10-01 |
| HK1084516A1 (zh) | 2006-07-28 |
| WO2004038936A3 (en) | 2004-07-15 |
| KR20050056268A (ko) | 2005-06-14 |
| KR101068639B1 (ko) | 2011-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7606293B2 (en) | Bidirectional turbo ISI canceller-based DSSS receiver for high-speed wireless LAN | |
| US6975672B2 (en) | Apparatus and methods for intersymbol interference compensation in spread spectrum communications | |
| KR100335711B1 (ko) | 직접시퀸스코드분할다중액세스통신시스템및그시스템용수신기 | |
| JP2570967B2 (ja) | Ｃｄｍａ受信機 | |
| CN100426806C (zh) | 用于白化通信信号中的信号扰动的方法、接收机设备和系统 | |
| EP1065793A2 (en) | Rake receiver with embedded decision feedback equalizer | |
| US20010036223A1 (en) | Rake receiver with embedded decision feedback equalizer | |
| WO1995009493A1 (en) | A method and apparatus for receiving and decoding signals using partial de-correlation | |
| CN1128594A (zh) | 在码分多址接收机中接收和解码通信信号的方法和设备 | |
| EP1128566A2 (en) | Biased-corrected rake receiver for direct sequence spread spectrum waveform | |
| US7301990B2 (en) | Equalization of multiple signals received for soft handoff in wireless communication systems | |
| CN100367681C (zh) | 码分多址移动通信系统中生成和接收业务的装置和方法 | |
| US7440524B2 (en) | Channel estimation in a wireless transmission system | |
| WO2007071056A1 (en) | Method and system for adaptive duplicated filters and interference cancellation. | |
| EP1530300B1 (en) | Method and apparatus for equalisation in a receiver of a cdma communications system | |
| CN1708917A (zh) | 用于高速无线lan的基于双向特播isi消除器的dsss接收机 | |
| HK1084516B (en) | A method of reducing signal distortion in a receiver, a system thereof and a isi canceller and a receiver | |
| Xiao | Iterative detection, decoding and channel parameter estimation for orthogonally modulated DS-CDMA systems | |
| Kim | Bidirectional iterative ISI canceller for high-rate DSSS/CCK communications | |
| EP1475933A1 (en) | Method for interference cancellation using iterative semi-blind channel estimation | |
| Nambiar et al. | Iterative weighted interference cancellation for CDMA systems with RAKE reception | |
| Ammar et al. | Iterative successive interference cancellation for multi-user DS/CDMA detectors in multipath channels | |
| Han et al. | An improved hypothesis-feedback equalization algorithm for multicode direct-sequence spread-spectrum underwater communications | |
| Thomas | Multiuser interference suppression in wideband broadcast CDMA networks | |
| Kumar et al. | Performance of Decision Feedback Equalizer over Frequency Selective Fading Channel in W-CDMA Systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |