CN1491488A - 干扰消除方法和装置 - Google Patents
干扰消除方法和装置 Download PDFInfo
- Publication number
- CN1491488A CN1491488A CNA02804830XA CN02804830A CN1491488A CN 1491488 A CN1491488 A CN 1491488A CN A02804830X A CNA02804830X A CN A02804830XA CN 02804830 A CN02804830 A CN 02804830A CN 1491488 A CN1491488 A CN 1491488A
- Authority
- CN
- China
- Prior art keywords
- joint
- blanking unit
- received signal
- signal
- detection
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000008030 elimination Effects 0.000 title claims description 5
- 238000003379 elimination reaction Methods 0.000 title claims description 5
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000012937 correction Methods 0.000 claims abstract description 35
- 238000010295 mobile communication Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 description 12
- 238000004891 communication Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
Images
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
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7105—Joint detection techniques, e.g. linear detectors
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- 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
- H04L25/0202—Channel estimation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Noise Elimination (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP242798/2001 | 2001-08-09 | ||
JP2001242798A JP3814502B2 (ja) | 2001-08-09 | 2001-08-09 | 干渉除去装置及び干渉除去方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1491488A true CN1491488A (zh) | 2004-04-21 |
CN100495935C CN100495935C (zh) | 2009-06-03 |
Family
ID=19073014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02804830XA Expired - Fee Related CN100495935C (zh) | 2001-08-09 | 2002-08-05 | 干扰消除方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7299026B2 (zh) |
EP (1) | EP1349288B1 (zh) |
JP (1) | JP3814502B2 (zh) |
CN (1) | CN100495935C (zh) |
WO (1) | WO2003017511A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787392A (zh) * | 2005-12-16 | 2006-06-14 | 凯明信息科技股份有限公司 | 定时跟踪和捕捉装置 |
CN101668330B (zh) * | 2008-06-04 | 2012-11-21 | 联发科技股份有限公司 | 信号接收装置、信号接收方法及全球移动通信系统电话 |
CN104065451A (zh) * | 2013-03-20 | 2014-09-24 | 中兴通讯(美国)公司 | 数字通信中的软最大似然序列估计 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1661947B (zh) * | 2004-02-26 | 2010-12-01 | 大唐移动通信设备有限公司 | Cdma重传信号联合检测方法和装置 |
CN100401646C (zh) * | 2004-09-24 | 2008-07-09 | 大唐移动通信设备有限公司 | 时隙码分多址系统多小区联合检测方法 |
EP2340541A1 (en) * | 2008-09-30 | 2011-07-06 | LSI Corporation | Method and apparatus for soft data generation for memory devices using decoder performance feedback |
US8105111B2 (en) * | 2009-08-31 | 2012-01-31 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector assembly having improved shielding shell |
US9292377B2 (en) | 2011-01-04 | 2016-03-22 | Seagate Technology Llc | Detection and decoding in flash memories using correlation of neighboring bits and probability based reliability values |
US9502117B2 (en) | 2011-03-14 | 2016-11-22 | Seagate Technology Llc | Cell-level statistics collection for detection and decoding in flash memories |
CN102739283A (zh) * | 2011-04-07 | 2012-10-17 | 联发科技(新加坡)私人有限公司 | 时分同步码分多址接收机中基于激活码道选择的联合检测方法 |
US9124397B2 (en) * | 2013-03-15 | 2015-09-01 | Samsung Electronics Co., Ltd. | Wireless communication system with interference mitigation mechanism and method of operation thereof |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4852090A (en) * | 1987-02-02 | 1989-07-25 | Motorola, Inc. | TDMA communications system with adaptive equalization |
US5740208A (en) * | 1993-06-25 | 1998-04-14 | Roke Manor Research Limited | Interference cancellation apparatus for mitigating the effects of poor affiliation between a base station and a mobile unit |
JP2914618B2 (ja) | 1994-12-13 | 1999-07-05 | エヌ・ティ・ティ移動通信網株式会社 | Cdmaマルチユーザ受信装置および方法 |
US5724378A (en) * | 1994-12-13 | 1998-03-03 | Nit Mobile Communications Network, Inc. | CDMA multiuser receiver and method |
JP3165447B2 (ja) * | 1995-11-29 | 2001-05-14 | 株式会社エヌ・ティ・ティ・ドコモ | ダイバーシチ受信装置および制御方法 |
US5757791A (en) * | 1996-04-18 | 1998-05-26 | American Wireless Technology, Inc. | Multistage linear receiver for DS-CDMA systems |
US5768307A (en) * | 1996-09-13 | 1998-06-16 | Telefonaktiebolaget Lm Ericsson | Coherent demodulation with decision-directed channel estimation for digital communication |
US5933768A (en) * | 1997-02-28 | 1999-08-03 | Telefonaktiebolaget L/M Ericsson | Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference |
DE19724027C2 (de) * | 1997-06-06 | 1999-09-30 | Siemens Ag | Verfahren und Anordnung zum Empfang von Daten |
SG77607A1 (en) * | 1997-08-26 | 2001-01-16 | Univ Singapore | A multi-user code division multiple access receiver |
JPH11251959A (ja) * | 1998-03-05 | 1999-09-17 | Fujitsu Ltd | 干渉キャンセラ装置及び無線通信装置 |
US6144710A (en) * | 1998-04-23 | 2000-11-07 | Lucent Technologies, Inc. | Joint maximum likelihood sequence estimator with dynamic channel description |
US6728302B1 (en) * | 1999-02-12 | 2004-04-27 | Texas Instruments Incorporated | STTD encoding for PCCPCH |
JP2000261412A (ja) | 1999-03-06 | 2000-09-22 | Matsushita Electric Ind Co Ltd | 干渉信号除去装置 |
EP1039662A1 (en) * | 1999-03-25 | 2000-09-27 | Alcatel | Improvements to a telecommunication system using code division multiple access (CDMA) |
KR100609128B1 (ko) * | 1999-07-12 | 2006-08-04 | 에스케이 텔레콤주식회사 | 이동 통신 시스템의 통화 품질 측정 장치 및 방법 |
US6963546B2 (en) * | 2000-03-15 | 2005-11-08 | Interdigital Technology Corp. | Multi-user detection using an adaptive combination of joint detection and successive interface cancellation |
JP3424748B2 (ja) * | 2000-05-25 | 2003-07-07 | 日本電気株式会社 | Cdma受信装置およびレート整合処理方法 |
US6741637B1 (en) * | 2000-06-22 | 2004-05-25 | Golden Bridge Technology, Inc. | Method and apparatus of joint detection of a CDMA receiver |
JP4076202B2 (ja) * | 2000-08-07 | 2008-04-16 | 富士通株式会社 | スペクトラム拡散信号受信機及び受信方法 |
US6842476B2 (en) * | 2001-02-09 | 2005-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Co-channel interference canceller |
US6584143B2 (en) * | 2001-03-02 | 2003-06-24 | Motorola, Inc. | Method and apparatus for joint detection of a coded signal in a CDMA system |
CA2523480C (en) * | 2003-04-25 | 2014-05-27 | Xm Satellite Radio Inc. | System and method for providing recording and playback of digital media content |
-
2001
- 2001-08-09 JP JP2001242798A patent/JP3814502B2/ja not_active Expired - Fee Related
-
2002
- 2002-08-05 WO PCT/JP2002/007958 patent/WO2003017511A1/ja active Application Filing
- 2002-08-05 CN CNB02804830XA patent/CN100495935C/zh not_active Expired - Fee Related
- 2002-08-05 US US10/466,834 patent/US7299026B2/en not_active Expired - Lifetime
- 2002-08-05 EP EP20020753227 patent/EP1349288B1/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1787392A (zh) * | 2005-12-16 | 2006-06-14 | 凯明信息科技股份有限公司 | 定时跟踪和捕捉装置 |
CN101668330B (zh) * | 2008-06-04 | 2012-11-21 | 联发科技股份有限公司 | 信号接收装置、信号接收方法及全球移动通信系统电话 |
CN104065451A (zh) * | 2013-03-20 | 2014-09-24 | 中兴通讯(美国)公司 | 数字通信中的软最大似然序列估计 |
Also Published As
Publication number | Publication date |
---|---|
EP1349288A4 (en) | 2009-12-02 |
WO2003017511A1 (fr) | 2003-02-27 |
EP1349288A1 (en) | 2003-10-01 |
US7299026B2 (en) | 2007-11-20 |
EP1349288B1 (en) | 2011-10-26 |
CN100495935C (zh) | 2009-06-03 |
JP3814502B2 (ja) | 2006-08-30 |
US20040058713A1 (en) | 2004-03-25 |
JP2003060517A (ja) | 2003-02-28 |
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C06 | Publication | ||
PB01 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MATSUSHITA ELECTRIC (AMERICA) INTELLECTUAL PROPERT Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140716 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20140716 Address after: California, USA Patentee after: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170524 Address after: Delaware Patentee after: III Holdings 12 LLC Address before: California, USA Patentee before: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20180805 |
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CF01 | Termination of patent right due to non-payment of annual fee |