DE69331436D1 - Demodulator eines Kodemultiplexvielfachzugriffkommunikationssystems mit Interferenzunterdrückung - Google Patents
Demodulator eines Kodemultiplexvielfachzugriffkommunikationssystems mit InterferenzunterdrückungInfo
- Publication number
- DE69331436D1 DE69331436D1 DE69331436T DE69331436T DE69331436D1 DE 69331436 D1 DE69331436 D1 DE 69331436D1 DE 69331436 T DE69331436 T DE 69331436T DE 69331436 T DE69331436 T DE 69331436T DE 69331436 D1 DE69331436 D1 DE 69331436D1
- Authority
- DE
- Germany
- Prior art keywords
- demodulator
- communication system
- multiple access
- division multiple
- code division
- 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
Links
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
- H04B1/71075—Parallel interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP266093A JP3143247B2 (ja) | 1993-01-11 | 1993-01-11 | 符号分割多元接続復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69331436D1 true DE69331436D1 (de) | 2002-02-14 |
DE69331436T2 DE69331436T2 (de) | 2002-08-14 |
Family
ID=11535496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993631436 Expired - Fee Related DE69331436T2 (de) | 1993-01-11 | 1993-10-28 | Demodulator eines Kodemultiplexvielfachzugriffkommunikationssystems mit Interferenzunterdrückung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5394434A (de) |
EP (1) | EP0606546B1 (de) |
JP (1) | JP3143247B2 (de) |
CA (1) | CA2109257C (de) |
DE (1) | DE69331436T2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2732783B2 (ja) * | 1993-08-31 | 1998-03-30 | 沖電気工業株式会社 | 符号分割多元接続復調装置 |
WO1995022209A1 (en) * | 1994-02-10 | 1995-08-17 | International Business Machines Corporation | Method and apparatus for multiuser-interference reduction |
JP3202125B2 (ja) * | 1994-03-10 | 2001-08-27 | 沖電気工業株式会社 | 符号分割多元接続システム |
KR950035142A (ko) * | 1994-03-10 | 1995-12-30 | 가나미야지 준 | 수신장치, 기지국 수신 시스템 및 이동국 수신시스템 |
US5724378A (en) * | 1994-12-13 | 1998-03-03 | Nit Mobile Communications Network, Inc. | CDMA multiuser receiver and method |
FI97581C (fi) * | 1995-02-10 | 1997-01-10 | Nokia Telecommunications Oy | Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa |
DE19509867C2 (de) * | 1995-03-17 | 1997-05-15 | Siemens Ag | Übertragungsverfahren zum gleichzeitigen synchronen oder asynchronen Übertragen von K aus Datensymbolen bestehenden Datenfolgen |
US5682382A (en) * | 1995-09-05 | 1997-10-28 | Massachusetts Institute Of Technology | Scalable, self-organizing packet radio network having decentralized channel management providing collision-free packet transfer |
EP0767543A3 (de) * | 1995-10-06 | 2000-07-26 | Siemens Aktiengesellschaft | Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung |
JP3476987B2 (ja) * | 1996-01-12 | 2003-12-10 | 株式会社日立国際電気 | マルチユーザ復調方法および装置 |
JP3323067B2 (ja) | 1996-07-12 | 2002-09-09 | 沖電気工業株式会社 | Cdma受信装置 |
US6252535B1 (en) | 1997-08-21 | 2001-06-26 | Data Fusion Corporation | Method and apparatus for acquiring wide-band pseudorandom noise encoded waveforms |
US6430216B1 (en) | 1997-08-22 | 2002-08-06 | Data Fusion Corporation | Rake receiver for spread spectrum signal demodulation |
FI104020B (fi) * | 1997-06-23 | 1999-10-29 | Nokia Telecommunications Oy | Vastaanottomenetelmä ja vastaanotin |
SG77607A1 (en) | 1997-08-26 | 2001-01-16 | Univ Singapore | A multi-user code division multiple access receiver |
KR100239177B1 (ko) | 1997-08-30 | 2000-01-15 | 윤종용 | 씨디엠에이 이동통신시스템에서 파일럿 신호를 이용한 스마트안테나 수신장치 및 방법 |
US6539009B1 (en) * | 1997-12-26 | 2003-03-25 | Yozan, Inc. | Signal reception apparatus for DS-CDMA cellular system |
JP3335900B2 (ja) | 1998-02-27 | 2002-10-21 | 松下電器産業株式会社 | 干渉除去装置及び干渉除去方法 |
US6445692B1 (en) | 1998-05-20 | 2002-09-03 | The Trustees Of The Stevens Institute Of Technology | Blind adaptive algorithms for optimal minimum variance CDMA receivers |
JP2991196B1 (ja) * | 1998-08-24 | 1999-12-20 | 日本電気株式会社 | Cdma受信方法および受信機 |
JP3957973B2 (ja) * | 1999-04-30 | 2007-08-15 | 富士通株式会社 | 干渉キャンセラを実装する符号多重無線装置 |
JP3486133B2 (ja) * | 1999-05-31 | 2004-01-13 | 独立行政法人通信総合研究所 | 擬似雑音系列の出力システム、出力装置、出力方法、および、情報記録媒体 |
AU2990700A (en) * | 1999-10-19 | 2001-04-30 | Interdigital Technology Corporation | Receiver for multiuser detection of cdma signals |
EP1300972B1 (de) * | 2000-07-11 | 2010-09-08 | Fujitsu Limited | Codemultiplex-kommunikationssystem und codemultiplex-kommunikationsgerät |
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 |
WO2003023444A1 (en) | 2001-09-12 | 2003-03-20 | Data Fusion Corporation | Gps near-far resistant receiver |
US7075972B2 (en) * | 2002-08-19 | 2006-07-11 | Mitsubishi Electric Research Laboratories, Inc. | Intra-cell interference cancellation in a W-CDMA communications network |
GB2438347B8 (en) * | 2005-02-25 | 2009-04-08 | Data Fusion Corp | Mitigating interference in a signal |
US20090323777A1 (en) * | 2008-06-26 | 2009-12-31 | Yi-Pin Eric Wang | Methods and Apparatus for Sharing Signal Correlation Data in a Receiver |
US8254502B2 (en) * | 2008-12-22 | 2012-08-28 | Qualcomm Incorporated | Post decoding soft interference cancellation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4528674A (en) * | 1983-08-22 | 1985-07-09 | E-Systems, Inc. | Method and apparatus for baseband generation of a spread spectrum reference signal for use in an LMS adaptive array processor |
US5151919A (en) * | 1990-12-17 | 1992-09-29 | Ericsson-Ge Mobile Communications Holding Inc. | Cdma subtractive demodulation |
US5218619A (en) * | 1990-12-17 | 1993-06-08 | Ericsson Ge Mobile Communications Holding, Inc. | CDMA subtractive demodulation |
US5136612A (en) * | 1990-12-31 | 1992-08-04 | At&T Bell Laboratories | Method and apparatus for reducing effects of multiple access interference in a radio receiver in a code division multiple access communication system |
-
1993
- 1993-01-11 JP JP266093A patent/JP3143247B2/ja not_active Expired - Fee Related
- 1993-10-26 US US08/141,665 patent/US5394434A/en not_active Expired - Lifetime
- 1993-10-26 CA CA 2109257 patent/CA2109257C/en not_active Expired - Fee Related
- 1993-10-28 EP EP19930117494 patent/EP0606546B1/de not_active Expired - Lifetime
- 1993-10-28 DE DE1993631436 patent/DE69331436T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69331436T2 (de) | 2002-08-14 |
JPH06209303A (ja) | 1994-07-26 |
EP0606546A3 (de) | 1995-05-03 |
US5394434A (en) | 1995-02-28 |
CA2109257C (en) | 1997-03-18 |
CA2109257A1 (en) | 1994-07-12 |
EP0606546A2 (de) | 1994-07-20 |
JP3143247B2 (ja) | 2001-03-07 |
EP0606546B1 (de) | 2002-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |