DE60142326D1 - Verfahren zur Mehrbenutzerdetektion - Google Patents
Verfahren zur MehrbenutzerdetektionInfo
- Publication number
- DE60142326D1 DE60142326D1 DE60142326T DE60142326T DE60142326D1 DE 60142326 D1 DE60142326 D1 DE 60142326D1 DE 60142326 T DE60142326 T DE 60142326T DE 60142326 T DE60142326 T DE 60142326T DE 60142326 D1 DE60142326 D1 DE 60142326D1
- Authority
- DE
- Germany
- Prior art keywords
- coefficients
- detection method
- signals
- user detection
- received
- 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 - Lifetime
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
-
- 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
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Push-Button Switches (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Mobile Radio Communication Systems (AREA)
- Noise Elimination (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0011906A FR2814014B1 (fr) | 2000-09-14 | 2000-09-14 | Methode de detection multi-utilisateur |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60142326D1 true DE60142326D1 (de) | 2010-07-22 |
Family
ID=8854434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60142326T Expired - Lifetime DE60142326D1 (de) | 2000-09-14 | 2001-09-12 | Verfahren zur Mehrbenutzerdetektion |
Country Status (6)
Country | Link |
---|---|
US (1) | US7031671B2 (de) |
EP (1) | EP1189361B1 (de) |
JP (1) | JP2002152177A (de) |
AT (1) | ATE470996T1 (de) |
DE (1) | DE60142326D1 (de) |
FR (1) | FR2814014B1 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2813728B1 (fr) * | 2000-09-07 | 2003-03-07 | Mitsubishi Electric Inf Tech | Recepteur cdma adaptatif bi-modulaire |
FR2818057B1 (fr) | 2000-12-13 | 2006-07-07 | Mitsubishi Electric Inf Tech | Methode et dispositif de detection multi-utilisateur |
FR2818468B1 (fr) * | 2000-12-20 | 2003-01-31 | Mitsubishi Electric Inf Tech | Methode et dispositif de detection multi-utilisateur en mode ds-cdma |
US6922170B2 (en) * | 2002-01-24 | 2005-07-26 | Motorola, Inc. | Methods and apparatus for determining a direction of arrival in a wireless communication system |
US8194770B2 (en) * | 2002-08-27 | 2012-06-05 | Qualcomm Incorporated | Coded MIMO systems with selective channel inversion applied per eigenmode |
US7301993B2 (en) * | 2002-09-13 | 2007-11-27 | Broadcom Corporation | Channel estimation in a spread spectrum receiver |
KR20040036102A (ko) * | 2002-10-23 | 2004-04-30 | 한국전자통신연구원 | 코드분할 다중접속에서의 다수 사용자 검출 시스템 및 그방법 |
US8169944B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Random access for wireless multiple-access communication systems |
US8134976B2 (en) | 2002-10-25 | 2012-03-13 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US8170513B2 (en) | 2002-10-25 | 2012-05-01 | Qualcomm Incorporated | Data detection and demodulation for wireless communication systems |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US7002900B2 (en) | 2002-10-25 | 2006-02-21 | Qualcomm Incorporated | Transmit diversity processing for a multi-antenna communication system |
US8570988B2 (en) | 2002-10-25 | 2013-10-29 | Qualcomm Incorporated | Channel calibration for a time division duplexed communication system |
US20040081131A1 (en) | 2002-10-25 | 2004-04-29 | Walton Jay Rod | OFDM communication system with multiple OFDM symbol sizes |
US8218609B2 (en) | 2002-10-25 | 2012-07-10 | Qualcomm Incorporated | Closed-loop rate control for a multi-channel communication system |
US8208364B2 (en) | 2002-10-25 | 2012-06-26 | Qualcomm Incorporated | MIMO system with multiple spatial multiplexing modes |
US8320301B2 (en) | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US7324429B2 (en) | 2002-10-25 | 2008-01-29 | Qualcomm, Incorporated | Multi-mode terminal in a wireless MIMO system |
US20040136444A1 (en) * | 2002-10-29 | 2004-07-15 | Daniel Massicotte | Cascade filter receiver for DS-CDMA communication systems |
CN100338932C (zh) * | 2002-12-06 | 2007-09-19 | 冯志强 | 一种压制和减少ds-cdma系统多用户干扰的信号处理装置 |
AU2002359956A1 (en) * | 2002-12-31 | 2004-07-22 | Zte Corporation | Smart antenna, method and device for forming |
GB2403104B (en) * | 2003-06-16 | 2006-06-14 | Inmarsat Ltd | Communication method and apparatus |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
US7466749B2 (en) | 2005-05-12 | 2008-12-16 | Qualcomm Incorporated | Rate selection with margin sharing |
US8358714B2 (en) | 2005-06-16 | 2013-01-22 | Qualcomm Incorporated | Coding and modulation for multiple data streams in a communication system |
US20090296786A1 (en) * | 2005-12-21 | 2009-12-03 | Daniel Massicotte | Method and system for adaptive duplicated filters and interference cancellation |
US8493953B1 (en) * | 2006-02-14 | 2013-07-23 | L-3 Communications | Method and device for mitigation of multi-user interference in code division multiple access |
US8229041B2 (en) * | 2009-05-26 | 2012-07-24 | Broadcom Corporation | Direct detection of wireless interferers in a communication device for multiple modulation types |
US8743848B2 (en) * | 2009-05-26 | 2014-06-03 | Broadcom Corporation | Hybrid location determination for wireless communication device |
CN105634702B (zh) * | 2014-12-01 | 2019-09-10 | 中兴通讯股份有限公司 | 多用户信息共道发送、接收方法及其装置 |
KR102456841B1 (ko) * | 2016-01-04 | 2022-10-21 | 한국전자통신연구원 | 가시경로 상에서 다중입력 다중출력 시스템의 성능 향상 방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9317604D0 (en) * | 1993-08-24 | 1993-10-06 | Philips Electronics Uk Ltd | Receiver for ds-cdma signals |
JP3390900B2 (ja) * | 1996-12-20 | 2003-03-31 | 富士通株式会社 | 干渉キャンセラ及び仮判定方法 |
JP2965202B1 (ja) * | 1998-04-07 | 1999-10-18 | 日本電気株式会社 | マルチユーザ受信装置及びcdma通信システム |
US6301293B1 (en) * | 1998-08-04 | 2001-10-09 | Agere Systems Guardian Corp. | Detectors for CDMA systems |
US6115409A (en) * | 1999-06-21 | 2000-09-05 | Envoy Networks, Inc. | Integrated adaptive spatial-temporal system for controlling narrowband and wideband sources of interferences in spread spectrum CDMA receivers |
US6115406A (en) * | 1999-09-10 | 2000-09-05 | Interdigital Technology Corporation | Transmission using an antenna array in a CDMA communication system |
-
2000
- 2000-09-14 FR FR0011906A patent/FR2814014B1/fr not_active Expired - Fee Related
-
2001
- 2001-08-24 US US09/935,584 patent/US7031671B2/en not_active Expired - Fee Related
- 2001-09-12 JP JP2001276490A patent/JP2002152177A/ja not_active Withdrawn
- 2001-09-12 DE DE60142326T patent/DE60142326D1/de not_active Expired - Lifetime
- 2001-09-12 AT AT01402353T patent/ATE470996T1/de not_active IP Right Cessation
- 2001-09-12 EP EP01402353A patent/EP1189361B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20020072336A1 (en) | 2002-06-13 |
FR2814014A1 (fr) | 2002-03-15 |
US7031671B2 (en) | 2006-04-18 |
EP1189361A1 (de) | 2002-03-20 |
ATE470996T1 (de) | 2010-06-15 |
FR2814014B1 (fr) | 2002-10-11 |
EP1189361B1 (de) | 2010-06-09 |
JP2002152177A (ja) | 2002-05-24 |
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