JP4010348B2 - 適応型直並列混合雑音除去方法 - Google Patents
適応型直並列混合雑音除去方法 Download PDFInfo
- Publication number
- JP4010348B2 JP4010348B2 JP32785597A JP32785597A JP4010348B2 JP 4010348 B2 JP4010348 B2 JP 4010348B2 JP 32785597 A JP32785597 A JP 32785597A JP 32785597 A JP32785597 A JP 32785597A JP 4010348 B2 JP4010348 B2 JP 4010348B2
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- signal
- signals
- decision
- noise removal
- detectors
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims description 70
- 230000003044 adaptive effect Effects 0.000 title claims description 21
- 230000008569 process Effects 0.000 claims description 26
- 238000003379 elimination reaction Methods 0.000 claims description 15
- 230000008030 elimination Effects 0.000 claims description 14
- 239000000872 buffer Substances 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007480 spreading Effects 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
-
- 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
- H04B1/7107—Subtractive interference cancellation
- H04B1/71072—Successive interference cancellation
-
- 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
- H04B1/7107—Subtractive interference cancellation
- H04B1/71075—Parallel interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960069401A KR100204599B1 (ko) | 1996-12-21 | 1996-12-21 | 적응형 직병렬 혼합 잡음 제거 방법 |
| KR96-69401 | 1996-12-21 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPH10190622A JPH10190622A (ja) | 1998-07-21 |
| JPH10190622A5 JPH10190622A5 (enExample) | 2005-07-07 |
| JP4010348B2 true JP4010348B2 (ja) | 2007-11-21 |
Family
ID=19489910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32785597A Expired - Fee Related JP4010348B2 (ja) | 1996-12-21 | 1997-11-28 | 適応型直並列混合雑音除去方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6067333A (enExample) |
| JP (1) | JP4010348B2 (enExample) |
| KR (1) | KR100204599B1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100255565B1 (ko) * | 1997-12-26 | 2000-05-01 | 정선종 | 코드분할 다중접속 시스템의 비동기 다중 경로 채널에서의다중 모드 감산형 잡음 제거 방법 및 장치 |
| US6647022B1 (en) * | 1998-08-07 | 2003-11-11 | Lucent Technologies Inc. | Interference canceller |
| US6498784B1 (en) * | 1998-10-20 | 2002-12-24 | Interdigital Technology Corporation | Cancellation of pilot and traffic signals |
| US6298050B1 (en) * | 1998-11-25 | 2001-10-02 | Nortel Networks Limited | System and method for cancelling the extra interference created during position location in a CDMA cellular system |
| US7349463B1 (en) * | 1999-06-11 | 2008-03-25 | Nokia Corporation | Method and apparatus for performing interference estimation |
| DE19935480A1 (de) | 1999-07-28 | 2001-02-22 | Infineon Technologies Ag | Verfahren zur Schätzung der Kanalimpulsantworten eines Mobilfunkkanals |
| KR100586587B1 (ko) * | 1999-12-31 | 2006-06-02 | 주식회사 케이티 | 코드 분할 다중 접속 시스템을 위한 파이프라인화된 직렬간섭 제거기 |
| AU2001250925A1 (en) | 2000-03-21 | 2001-10-03 | Telcordia Technologies, Inc. | Combined adaptive spatio-temporal processing and multi-user detection for cdma wireless systems |
| JP3574057B2 (ja) * | 2000-09-04 | 2004-10-06 | 三洋電機株式会社 | 無線受信システム及び方法 |
| KR100358349B1 (ko) * | 2000-11-22 | 2002-10-25 | 한국전자통신연구원 | 다중전송속도를 가지는 코드분할다중접속시스템의 그룹별병렬 간섭제거장치 및 방법 |
| US7697594B2 (en) * | 2001-03-30 | 2010-04-13 | Texas Instruments Incorporated | Method and apparatus for regenerative based interference cancellation within a communication system |
| US6959065B2 (en) * | 2001-04-20 | 2005-10-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Reduction of linear interference canceling scheme |
| US7190749B2 (en) * | 2001-06-06 | 2007-03-13 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
| US8611311B2 (en) * | 2001-06-06 | 2013-12-17 | Qualcomm Incorporated | Method and apparatus for canceling pilot interference in a wireless communication system |
| FR2828032B1 (fr) * | 2001-07-30 | 2003-09-12 | France Telecom | Dispositif de detection conjointe de codes cdma pour liaison descendante a trajets multiples |
| US7602866B2 (en) * | 2002-02-28 | 2009-10-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal receiver devices and methods |
| US7808937B2 (en) * | 2005-04-07 | 2010-10-05 | Rambus, Inc. | Variable interference cancellation technology for CDMA systems |
| US20050123080A1 (en) * | 2002-11-15 | 2005-06-09 | Narayan Anand P. | Systems and methods for serial cancellation |
| US8005128B1 (en) | 2003-09-23 | 2011-08-23 | Rambus Inc. | Methods for estimation and interference cancellation for signal processing |
| US6710739B1 (en) | 2003-01-03 | 2004-03-23 | Northrop Grumman Corporation | Dual redundant GPS anti-jam air vehicle navigation system architecture and method |
| US7305052B2 (en) * | 2003-05-28 | 2007-12-04 | The Regents Of The University Of California | UWB communication receiver feedback loop |
| GB2411546B (en) * | 2004-02-27 | 2007-05-30 | Toshiba Res Europ Ltd | Channel Estimation in a CDMA Receiver |
| US8422955B2 (en) * | 2004-12-23 | 2013-04-16 | Qualcomm Incorporated | Channel estimation for interference cancellation |
| US8099123B2 (en) * | 2004-12-23 | 2012-01-17 | Qualcomm Incorporated | Adaptation of transmit subchannel gains in a system with interference cancellation |
| US8442441B2 (en) * | 2004-12-23 | 2013-05-14 | Qualcomm Incorporated | Traffic interference cancellation |
| US8406695B2 (en) | 2004-12-23 | 2013-03-26 | Qualcomm Incorporated | Joint interference cancellation of pilot, overhead and traffic channels |
| US8472877B2 (en) * | 2005-10-24 | 2013-06-25 | Qualcomm Incorporated | Iterative interference cancellation system and method |
| US8385388B2 (en) * | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
| JP4946159B2 (ja) * | 2006-05-09 | 2012-06-06 | 富士通株式会社 | 無線送信方法及び無線受信方法並びに無線送信装置及び無線受信装置 |
| KR100858976B1 (ko) * | 2006-12-06 | 2008-09-17 | 한국전자통신연구원 | 이동 통신 시스템의 직렬형 다중 간섭 잡음 제거 장치 및그 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5872776A (en) * | 1995-11-22 | 1999-02-16 | Yang; Lin-Lang | Signal detection and interference cancellation based on simplified matrix inversion for CDMA applications |
| JP2743912B2 (ja) * | 1996-05-30 | 1998-04-28 | 日本電気株式会社 | Cdma干渉除去装置 |
| US5872540A (en) * | 1997-06-26 | 1999-02-16 | Electro-Radiation Incorporated | Digital interference suppression system for radio frequency interference cancellation |
-
1996
- 1996-12-21 KR KR1019960069401A patent/KR100204599B1/ko not_active Expired - Fee Related
-
1997
- 1997-11-25 US US08/977,826 patent/US6067333A/en not_active Expired - Lifetime
- 1997-11-28 JP JP32785597A patent/JP4010348B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10190622A (ja) | 1998-07-21 |
| KR100204599B1 (ko) | 1999-06-15 |
| KR19980050570A (ko) | 1998-09-15 |
| US6067333A (en) | 2000-05-23 |
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