CN1446409A - 一族线性多用户检测器(muds) - Google Patents
一族线性多用户检测器(muds) Download PDFInfo
- Publication number
- CN1446409A CN1446409A CN01813749A CN01813749A CN1446409A CN 1446409 A CN1446409 A CN 1446409A CN 01813749 A CN01813749 A CN 01813749A CN 01813749 A CN01813749 A CN 01813749A CN 1446409 A CN1446409 A CN 1446409A
- Authority
- CN
- China
- Prior art keywords
- processor
- user
- user detector
- tap weight
- signal
- 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
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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
- H04B1/7105—Joint detection techniques, e.g. linear detectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (30)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/633,131 | 2000-08-04 | ||
US09/633,131 US6618433B1 (en) | 2000-08-04 | 2000-08-04 | Family of linear multi-user detectors (MUDs) |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1446409A true CN1446409A (zh) | 2003-10-01 |
CN100403659C CN100403659C (zh) | 2008-07-16 |
Family
ID=24538390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB018137490A Expired - Fee Related CN100403659C (zh) | 2000-08-04 | 2001-07-31 | 一种线性多用户检测器 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6618433B1 (zh) |
CN (1) | CN100403659C (zh) |
AU (1) | AU2001282442A1 (zh) |
DE (1) | DE10196478B3 (zh) |
GB (1) | GB2381723B (zh) |
MY (1) | MY138678A (zh) |
WO (1) | WO2002013491A2 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001071927A2 (en) * | 2000-03-21 | 2001-09-27 | Telcordia Technologies, Inc. | Combined adaptive spatio-temporal processing and multi-user detection for cdma wireless systems |
FR2818057B1 (fr) * | 2000-12-13 | 2006-07-07 | Mitsubishi Electric Inf Tech | Methode et dispositif de detection multi-utilisateur |
US6985545B2 (en) * | 2000-12-26 | 2006-01-10 | Nortel Networks Limited | Apparatus and method to provide spectrum sharing for two or more RF signals occupying an overlapping RF bandwidth |
US6990137B2 (en) * | 2001-05-17 | 2006-01-24 | Qualcomm, Incorporated | System and method for received signal prediction in wireless communications systems |
US7170924B2 (en) * | 2001-05-17 | 2007-01-30 | Qualcomm, Inc. | System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system |
US7450631B2 (en) * | 2001-10-26 | 2008-11-11 | Intel Corporation | Metric correction for multi user detection, for long codes DS-CDMA |
US7573934B2 (en) * | 2002-09-13 | 2009-08-11 | Fujitsu Limited | Spread spectrum rake receiver |
US7545765B2 (en) * | 2003-04-11 | 2009-06-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Multi-user diversity forwarding |
US7464166B2 (en) * | 2003-04-11 | 2008-12-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Contention-based forwarding with integrated multi-user detection capability |
US7428260B2 (en) * | 2003-10-30 | 2008-09-23 | Marvell World Trade Ltd. | Unified MMSE equalization and multi-user detection approach for use in a CDMA system |
KR100651432B1 (ko) * | 2003-12-02 | 2006-11-28 | 삼성전자주식회사 | 다중 안테나를 사용하는 이동통신 시스템에서 간섭신호 제거 장치 및 방법 |
US7310394B2 (en) * | 2004-01-09 | 2007-12-18 | Wang Xiao-An | LMMSE-based RAKE receiver with channel tap assignment |
US7724851B2 (en) * | 2004-03-04 | 2010-05-25 | Bae Systems Information And Electronic Systems Integration Inc. | Receiver with multiple collectors in a multiple user detection system |
US8599972B2 (en) * | 2004-06-16 | 2013-12-03 | Telefonaktiebolaget L M Ericsson (Publ) | SIR estimation in a wireless receiver |
US7817754B2 (en) * | 2004-12-01 | 2010-10-19 | Bae Systems Information And Electronic Systems Integration Inc. | M-algorithm with prioritized user ordering |
US7397849B2 (en) * | 2005-03-18 | 2008-07-08 | Interdigital Technology Corporation | Channel estimation enhanced LMS equalizer |
TWI308443B (en) * | 2005-03-18 | 2009-04-01 | Interdigital Tech Corp | Channel estimation enhanced lms equalizer |
EP2182645B1 (en) * | 2008-10-29 | 2014-07-02 | Thales Alenia Space Italia S.p.A. | Method and system for spread spectrum signal acquisition |
US8494029B2 (en) | 2009-05-04 | 2013-07-23 | Qualcomm Incorporated | Method and system for multi-user detection in the presence of multiple spreading factors |
US8615030B2 (en) * | 2009-05-04 | 2013-12-24 | Qualcomm Incorporated | Method and system for multi-user detection using two-stage processing |
US8494098B2 (en) * | 2009-05-04 | 2013-07-23 | Qualcomm Incorporated | Method and system for inter-cell interference cancellation |
US8451963B2 (en) * | 2009-06-09 | 2013-05-28 | Qualcomm Incorporated | Method and system for interference cancellation |
US8488652B2 (en) * | 2010-03-11 | 2013-07-16 | Nec Laboratories America, Inc. | Systems and methods for blind equalization in a digital receiver |
US9195860B1 (en) * | 2014-01-10 | 2015-11-24 | Seagate Technology Llc | Adaptively combining waveforms |
US11050458B2 (en) | 2019-03-25 | 2021-06-29 | General Dynamics Mission Systems, Inc. | Node having an adaptive space-spectrum whiteniner and multi-user rake receiver for use in a cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission with cooperative beamforming and adaptive space-spectrum whitening |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3795984B2 (ja) * | 1996-12-20 | 2006-07-12 | 富士通株式会社 | 無線受信機 |
IL120538A (en) | 1997-03-26 | 2000-11-21 | Dspc Tech Ltd | Method and apparatus for reducing spread-spectrum noise |
JP2853742B2 (ja) * | 1997-06-10 | 1999-02-03 | 日本電気株式会社 | 直接拡散/符号分割多重方式干渉除去受信装置 |
JP3626852B2 (ja) * | 1998-05-29 | 2005-03-09 | Kddi株式会社 | ダイバーシチ受信下での信号合成方法及び装置 |
US6301293B1 (en) * | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6125137A (en) * | 1998-09-11 | 2000-09-26 | Motorola, Inc. | Apparatus and method for performing a signal search in a coherent wireless communication system |
FI106897B (fi) * | 1998-09-14 | 2001-04-30 | Nokia Networks Oy | RAKE-vastaanotin |
US6208684B1 (en) | 1998-09-18 | 2001-03-27 | Dspc Technologies Ltd. | Cyclic adaptive receivers for DS-CDMA signals |
KR100358427B1 (ko) * | 1999-07-12 | 2002-10-25 | 한국전자통신연구원 | 씨디엠에이 적응배열안테나 시스템을 위한 효율적 구조의 복조기 |
-
2000
- 2000-08-04 US US09/633,131 patent/US6618433B1/en not_active Expired - Lifetime
-
2001
- 2001-07-31 AU AU2001282442A patent/AU2001282442A1/en not_active Abandoned
- 2001-07-31 WO PCT/IL2001/000709 patent/WO2002013491A2/en active Application Filing
- 2001-07-31 DE DE10196478.1T patent/DE10196478B3/de not_active Expired - Fee Related
- 2001-07-31 GB GB0301043A patent/GB2381723B/en not_active Expired - Fee Related
- 2001-07-31 CN CNB018137490A patent/CN100403659C/zh not_active Expired - Fee Related
- 2001-08-03 MY MYPI20013665A patent/MY138678A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN100403659C (zh) | 2008-07-16 |
GB2381723A (en) | 2003-05-07 |
GB2381723B (en) | 2004-07-21 |
AU2001282442A1 (en) | 2002-02-18 |
WO2002013491A2 (en) | 2002-02-14 |
MY138678A (en) | 2009-07-31 |
WO2002013491A3 (en) | 2002-04-25 |
GB0301043D0 (en) | 2003-02-19 |
DE10196478B3 (de) | 2014-07-24 |
GB2381723A8 (en) | 2003-05-30 |
DE10196478T1 (de) | 2003-06-18 |
US6618433B1 (en) | 2003-09-09 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Correction of invention patent gazette |
Correction item: Applicant Correct: D.S.P.C. Technologies Ltd. False: DSPC Tech Ltd. Number: 40 Page: 334 Volume: 19 |
|
CI02 | Correction of invention patent application |
Correction item: Applicant Correct: D.S.P.C. Technologies Ltd. False: DSPC Tech Ltd. Number: 40 Page: The title page Volume: 19 |
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Free format text: CORRECT: APPLICANT; FROM: D S P C TECHNOLOGY CO., LTD. TO: D.S.P.C TECHNOLOGY CO., LTD. |
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Free format text: CORRECT: APPLICANT; FROM: D S P C TECHNOLOGY CO., LTD. TO: D.S.P.C TECHNOLOGY CO., LTD. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080716 Termination date: 20180731 |
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CF01 | Termination of patent right due to non-payment of annual fee |