[go: up one dir, main page]

DE60327939D1 - MMSE Mehrbenutzer-Detektion mit reduzierter Komplexität für Multirate CDMA Übertragung - Google Patents

MMSE Mehrbenutzer-Detektion mit reduzierter Komplexität für Multirate CDMA Übertragung

Info

Publication number
DE60327939D1
DE60327939D1 DE60327939T DE60327939T DE60327939D1 DE 60327939 D1 DE60327939 D1 DE 60327939D1 DE 60327939 T DE60327939 T DE 60327939T DE 60327939 T DE60327939 T DE 60327939T DE 60327939 D1 DE60327939 D1 DE 60327939D1
Authority
DE
Germany
Prior art keywords
high rate
outputs
reduced complexity
stage
users
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
Application number
DE60327939T
Other languages
English (en)
Inventor
Shimon Moshavi
Daniel Yellin
Kobby Pick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Intel Corp
Original Assignee
Intel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Intel Corp filed Critical Intel Corp
Application granted granted Critical
Publication of DE60327939D1 publication Critical patent/DE60327939D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Earth Drilling (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Burglar Alarm Systems (AREA)
  • Telephone Function (AREA)
DE60327939T 2002-11-08 2003-10-29 MMSE Mehrbenutzer-Detektion mit reduzierter Komplexität für Multirate CDMA Übertragung Expired - Lifetime DE60327939D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/291,189 US7333466B2 (en) 2002-11-08 2002-11-08 Reduced complexity MMSE multiuser detection for a multirate CDMA link
PCT/US2003/034378 WO2004045103A1 (en) 2002-11-08 2003-10-29 Reduced complexity mmse multiuser detection for a multirate cdma link

Publications (1)

Publication Number Publication Date
DE60327939D1 true DE60327939D1 (de) 2009-07-23

Family

ID=32229211

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60327939T Expired - Lifetime DE60327939D1 (de) 2002-11-08 2003-10-29 MMSE Mehrbenutzer-Detektion mit reduzierter Komplexität für Multirate CDMA Übertragung

Country Status (7)

Country Link
US (1) US7333466B2 (de)
EP (1) EP1561289B1 (de)
CN (1) CN1706110B (de)
AT (1) ATE433620T1 (de)
AU (1) AU2003284364A1 (de)
DE (1) DE60327939D1 (de)
WO (1) WO2004045103A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7061891B1 (en) 2001-02-02 2006-06-13 Science Applications International Corporation Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network
US7209515B2 (en) * 2001-03-30 2007-04-24 Science Applications International Corporation Multistage reception of code division multiple access transmissions
US7006461B2 (en) * 2001-09-17 2006-02-28 Science Applications International Corporation Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network
US7075973B2 (en) * 2003-03-03 2006-07-11 Interdigital Technology Corporation Multiuser detection of differing data rate signals
US7313168B2 (en) * 2003-03-06 2007-12-25 Nokia Corporation Method and apparatus for receiving a CDMA signal
US7437135B2 (en) 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
US7400692B2 (en) 2004-01-14 2008-07-15 Interdigital Technology Corporation Telescoping window based equalization
US7856071B2 (en) * 2005-07-26 2010-12-21 Alcatel-Lucent Usa Inc. Multi-path acquisition in the presence of very high data rate users
US8275023B2 (en) * 2006-02-13 2012-09-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for shared parameter estimation in a generalized rake receiver
KR100838519B1 (ko) * 2006-11-27 2008-06-17 전자부품연구원 Ｄｓ-ｃｄｍａ 시스템의 검출-디코딩 연동 수신기
US8494029B2 (en) * 2009-05-04 2013-07-23 Qualcomm Incorporated Method and system for multi-user detection in the presence of multiple spreading factors
US8494098B2 (en) 2009-05-04 2013-07-23 Qualcomm Incorporated Method and system for inter-cell interference cancellation
US8615030B2 (en) * 2009-05-04 2013-12-24 Qualcomm Incorporated Method and system for multi-user detection using two-stage processing
US8451963B2 (en) * 2009-06-09 2013-05-28 Qualcomm Incorporated Method and system for interference cancellation
CN103152797B (zh) * 2013-01-28 2016-05-25 北京傲天动联技术股份有限公司 一种低速率用户接入控制方法
CN105262531B (zh) * 2015-10-27 2018-08-24 杭州电子科技大学 用户具有双天线的大规模天线系统的解码方法
CN111610498B (zh) * 2020-06-22 2023-04-07 成都航空职业技术学院 一种高自由度去耦合的空时自适应信号处理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544156A (en) * 1994-04-29 1996-08-06 Telefonaktiebolaget Lm Ericsson Direct sequence CDMA coherent uplink detector
FI100569B (fi) * 1995-05-08 1997-12-31 Nokia Telecommunications Oy Menetelmä ja laitteisto muuttuvan siirtonopeuden koodausta ja ilmaisua varten monikäyttömatkaviestinjärjestelmässä
CN1053313C (zh) 1997-04-21 2000-06-07 北京信威通信技术有限公司 具有智能天线的时分双工同步码分多址无线通信系统及其通信方法
US6208684B1 (en) 1998-09-18 2001-03-27 Dspc Technologies Ltd. Cyclic adaptive receivers for DS-CDMA signals
KR100283379B1 (ko) * 1998-11-16 2001-03-02 정선종 병렬 다단 간섭 제거 장치
KR100277697B1 (ko) * 1998-12-02 2001-01-15 정선종 제약조건을 갖는 평균평방 오차 최소화 방법을 이용한 적응형수신 장치
US6426973B1 (en) * 1999-04-29 2002-07-30 The Board Of Trustees Of The University Of Illinois Differential minimum mean squared error communication signal compensation method
CN1178071C (zh) 1999-06-29 2004-12-01 张世平 行动电话式自动定位追踪传送器
JP3370955B2 (ja) * 1999-07-19 2003-01-27 株式会社日立国際電気 Ｃｄｍａ基地局装置
US6680902B1 (en) * 2000-01-20 2004-01-20 Nortel Networks Limited Spreading code selection process for equalization in CDMA communications systems
DE10003734A1 (de) * 2000-01-28 2001-08-02 Bosch Gmbh Robert Detektionsverfahren und -vorrichtung
JP4744725B2 (ja) * 2001-05-25 2011-08-10 三菱電機株式会社 干渉キャンセラ
JP2003143045A (ja) * 2001-11-02 2003-05-16 Fujitsu Ltd 平均二乗誤差最小化アルゴリズムを用いて信号を処理する装置

Also Published As

Publication number Publication date
CN1706110B (zh) 2013-03-27
EP1561289A1 (de) 2005-08-10
US20040090906A1 (en) 2004-05-13
WO2004045103A1 (en) 2004-05-27
ATE433620T1 (de) 2009-06-15
AU2003284364A1 (en) 2004-06-03
CN1706110A (zh) 2005-12-07
US7333466B2 (en) 2008-02-19
EP1561289B1 (de) 2009-06-10

Similar Documents

Publication Publication Date Title
DE60327939D1 (de) MMSE Mehrbenutzer-Detektion mit reduzierter Komplexität für Multirate CDMA Übertragung
NO20180980A1 (no) Kompatibel flerkanal-koding/dekoding
DK1576582T3 (da) Kodning af multiple meddelelser i lyddata og detektere samme
TW200629961A (en) Multi parametrisation based multi-channel reconstruction
EP1676375A4 (de) Vorrichtung und verfahren zur bildung zusammengesetzer wörter
MY138877A (en) Improved audio coding systems and methods using spectral component coupling and spectral component regeneration
NO20084409L (no) Fremgangsmate for signalforming i flerkanal audiogjenoppretting
MX2009007412A (es) Decodificador de audio.
GB2379537A (en) Electronic trading systems and methods
ATE393951T1 (de) Stereokompatible mehrkanal-audiokodierung
ATE441293T1 (de) Bass-management-systeme
GB2407675A (en) Reduction of search ambiguity with multiple media references
FI20031453A0 (fi) Järjestely ja menetelmä tiedon hankkimiseksi käyttäjälle
TWI268650B (en) System and method for reducing short circuit current in a buffer
EP2264910A3 (de) Spreizspektrumkorrelator
TW200702980A (en) Error-correcting apparatus including multiple error-correcting modules functioning in parallel and related method
TW200643742A (en) Sparse convolution of multiple vectors in a digital signal processor
TW200705829A (en) Apparatus selectively adopting different determining criteria in erasure marking procedure when performing decoding process, and method thereof
DE60221567D1 (de) Einfüge-sortierer
WO2004017154A3 (en) Reduced complexity fast hadamard transform and find-maximum mechanism associated therewith
ATE263455T1 (de) Verfahren zur decodierung eines datensignals
ATE409871T1 (de) Regelung des stromverbrauchs in satellitenpositionierungssystemen
TW200614753A (en) Look-ahead equalizer and method of determining output of look-ahead equalizer
AUPS205302A0 (en) Filter structure for iterative signal processing
MXPA04001759A (es) Sistema y metodo rapido e iterativo para evaluar una operacion de modulo sin utilizar divisiones.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition