CN1101625C - 在接收机处接收信号的方法 - Google Patents
在接收机处接收信号的方法 Download PDFInfo
- Publication number
- CN1101625C CN1101625C CN98125951A CN98125951A CN1101625C CN 1101625 C CN1101625 C CN 1101625C CN 98125951 A CN98125951 A CN 98125951A CN 98125951 A CN98125951 A CN 98125951A CN 1101625 C CN1101625 C CN 1101625C
- Authority
- CN
- China
- Prior art keywords
- signal
- receiver
- branch
- interference
- multipath
- 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 - Fee Related
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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
- H04B1/7107—Subtractive 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Noise Elimination (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/000,985 US6175587B1 (en) | 1997-12-30 | 1997-12-30 | Communication device and method for interference suppression in a DS-CDMA system |
US000985 | 1997-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1228651A CN1228651A (zh) | 1999-09-15 |
CN1101625C true CN1101625C (zh) | 2003-02-12 |
Family
ID=21693837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98125951A Expired - Fee Related CN1101625C (zh) | 1997-12-30 | 1998-12-30 | 在接收机处接收信号的方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6175587B1 (zh) |
JP (1) | JP4268712B2 (zh) |
CN (1) | CN1101625C (zh) |
GB (1) | GB2333013B (zh) |
Families Citing this family (94)
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AU8905598A (en) * | 1997-08-13 | 1999-03-08 | Qualcomm Incorporated | Method and apparatus for interference cancellation for a high data rate user in a cdma system |
KR100433901B1 (ko) * | 1998-02-21 | 2004-11-06 | 삼성전자주식회사 | 이동통신시스템의시간스위칭송신다이버시티장치 |
KR100272565B1 (ko) * | 1998-06-16 | 2000-11-15 | 서평원 | 역방향 링크의 최적 직교 코드 할당 방법 |
FR2783987B1 (fr) | 1998-09-11 | 2006-08-04 | Commissariat Energie Atomique | Procede de reception de signaux amrc a suppression parallele d'interferences, etage et recepteur correspondants |
US6625197B1 (en) * | 1998-10-27 | 2003-09-23 | Qualcomm Incorporated | Method and apparatus for multipath demodulation in a code division multiple access communication system |
US6728202B1 (en) * | 1998-12-24 | 2004-04-27 | Agere Systems Inc. | Code division multiplex satellite broadcasting system |
FI107866B (fi) * | 1999-02-19 | 2001-10-15 | Nokia Networks Oy | Koodin allokointi pehmeän solunvaihdon yhteydessä CDMA-järjestelmässä |
US6668352B1 (en) * | 1999-04-28 | 2003-12-23 | Samsung Electronics Co., Ltd. | Distortion compensating device and method in a multi-code mobile communication system |
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US6831944B1 (en) * | 1999-09-14 | 2004-12-14 | Interdigital Technology Corporation | Reduced computation in joint detection |
US6711420B1 (en) * | 1999-09-15 | 2004-03-23 | Qualcomm, Incorporated | Modified finger assignment algorithm for high data rate calls |
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CN1210987C (zh) * | 2000-06-05 | 2005-07-13 | 连宇通信有限公司 | 具有无干扰窗口的蜂窝系统中的小区选择方法 |
EP1536570B1 (en) * | 2000-07-11 | 2006-06-14 | Fujitsu Limited | Code division multiple access signal receiving apparatus |
JP4326218B2 (ja) * | 2000-07-11 | 2009-09-02 | 富士通株式会社 | 符号分割多重信号受信装置及び受信方法 |
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US6711219B2 (en) | 2000-12-04 | 2004-03-23 | Tensorcomm, Incorporated | Interference cancellation in a signal |
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JP3857528B2 (ja) * | 2001-01-12 | 2006-12-13 | 富士通株式会社 | 同期検出装置 |
US6996159B2 (en) * | 2001-05-17 | 2006-02-07 | Intel Corporation | Reducing spread spectrum noise |
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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 |
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US8085889B1 (en) | 2005-04-11 | 2011-12-27 | Rambus Inc. | Methods for managing alignment and latency in interference cancellation |
WO2003044969A2 (en) | 2001-11-16 | 2003-05-30 | Tensorcomm Incorporated | Construction of an interference matrix for a coded signal processing engine |
US7260506B2 (en) * | 2001-11-19 | 2007-08-21 | Tensorcomm, Inc. | Orthogonalization and directional filtering |
US20050101277A1 (en) * | 2001-11-19 | 2005-05-12 | Narayan Anand P. | Gain control for interference cancellation |
WO2005081438A1 (en) * | 2001-11-19 | 2005-09-01 | Tensorcomm, Incorporated | Interference cancellation in a signal |
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US8761321B2 (en) * | 2005-04-07 | 2014-06-24 | Iii Holdings 1, Llc | Optimal feedback weighting for soft-decision cancellers |
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JP4259964B2 (ja) * | 2003-09-12 | 2009-04-30 | 富士通株式会社 | MIXR機能を有するRake受信機 |
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US8385388B2 (en) * | 2005-12-06 | 2013-02-26 | Qualcomm Incorporated | Method and system for signal reconstruction from spatially and temporally correlated received samples |
US8670777B2 (en) | 2006-09-08 | 2014-03-11 | Qualcomm Incorporated | Method and apparatus for fast other sector interference (OSI) adjustment |
US8442572B2 (en) * | 2006-09-08 | 2013-05-14 | Qualcomm Incorporated | Method and apparatus for adjustments for delta-based power control in wireless communication systems |
US20080117849A1 (en) * | 2006-09-08 | 2008-05-22 | Qualcomm Incorporated | Method and apparatus for interaction of fast other sector interference (osi) with slow osi |
US8798654B2 (en) * | 2009-04-22 | 2014-08-05 | Nokia Siemens Networks Oy | Selective interference rejection combining |
US10812955B2 (en) | 2013-01-05 | 2020-10-20 | Brian G Agee | Generation of signals with unpredictable transmission properties for wireless M2M networks |
US9648444B2 (en) | 2014-01-06 | 2017-05-09 | Brian G. Agee | Physically secure digital signal processing for wireless M2M networks |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0642243A1 (en) * | 1992-06-25 | 1995-03-08 | Roke Manor Research Limited | Rake receiver for CDMA system |
WO1997024816A2 (en) * | 1995-12-29 | 1997-07-10 | Nokia Telecommunications Oy | A method for estimating signal and noise quality, and a receiver |
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-
1997
- 1997-12-30 US US09/000,985 patent/US6175587B1/en not_active Expired - Lifetime
-
1998
- 1998-12-21 GB GB9827917A patent/GB2333013B/en not_active Expired - Fee Related
- 1998-12-25 JP JP36899098A patent/JP4268712B2/ja not_active Expired - Fee Related
- 1998-12-30 CN CN98125951A patent/CN1101625C/zh not_active Expired - Fee Related
Patent Citations (2)
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EP0642243A1 (en) * | 1992-06-25 | 1995-03-08 | Roke Manor Research Limited | Rake receiver for CDMA system |
WO1997024816A2 (en) * | 1995-12-29 | 1997-07-10 | Nokia Telecommunications Oy | A method for estimating signal and noise quality, and a receiver |
Also Published As
Publication number | Publication date |
---|---|
US6175587B1 (en) | 2001-01-16 |
GB2333013B (en) | 2003-01-08 |
CN1228651A (zh) | 1999-09-15 |
JPH11261531A (ja) | 1999-09-24 |
GB9827917D0 (en) | 1999-02-10 |
JP4268712B2 (ja) | 2009-05-27 |
GB2333013A (en) | 1999-07-07 |
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