DK1582008T3 - Generaliseret totrinsdataestimering - Google Patents

Generaliseret totrinsdataestimering

Info

Publication number
DK1582008T3
DK1582008T3 DK04700894T DK04700894T DK1582008T3 DK 1582008 T3 DK1582008 T3 DK 1582008T3 DK 04700894 T DK04700894 T DK 04700894T DK 04700894 T DK04700894 T DK 04700894T DK 1582008 T3 DK1582008 T3 DK 1582008T3
Authority
DK
Denmark
Prior art keywords
estimate
received signals
channel
wtru
produce
Prior art date
Application number
DK04700894T
Other languages
Danish (da)
English (en)
Inventor
Jung-Lin Pan
Yuejin Huang
Donald M Grieco
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Application granted granted Critical
Publication of DK1582008T3 publication Critical patent/DK1582008T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/10Code generation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • H04B1/7105Joint detection techniques, e.g. linear detectors
    • H04B1/71052Joint detection techniques, e.g. linear detectors using decorrelation matrix
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/7103Interference-related aspects the interference being multiple access interference
    • H04B1/7105Joint detection techniques, e.g. linear detectors
    • H04B1/71055Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/16Code allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/0242Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246Channel estimation channel estimation algorithms using matrix methods with factorisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2201/00Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70707Efficiency-related aspects

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Communication System (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
DK04700894T 2003-01-10 2004-01-08 Generaliseret totrinsdataestimering DK1582008T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43928403P 2003-01-10 2003-01-10
PCT/US2004/000463 WO2004064298A2 (en) 2003-01-10 2004-01-08 Generalized two-stage data estimation

Publications (1)

Publication Number Publication Date
DK1582008T3 true DK1582008T3 (da) 2008-01-21

Family

ID=32713459

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04700894T DK1582008T3 (da) 2003-01-10 2004-01-08 Generaliseret totrinsdataestimering

Country Status (13)

Country Link
US (5) US6937644B2 (zh)
EP (1) EP1582008B1 (zh)
JP (1) JP4015170B2 (zh)
KR (5) KR20090119921A (zh)
CN (1) CN1723629A (zh)
AT (1) ATE372609T1 (zh)
CA (1) CA2512574A1 (zh)
DE (1) DE602004008738T2 (zh)
DK (1) DK1582008T3 (zh)
ES (1) ES2293202T3 (zh)
MX (1) MXPA05007461A (zh)
NO (1) NO20053493L (zh)
WO (1) WO2004064298A2 (zh)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7079571B1 (en) * 1998-10-08 2006-07-18 Broadcom Corporation Method and circuits for power management in a transceiver
US7218624B2 (en) * 2001-11-14 2007-05-15 Interdigital Technology Corporation User equipment and base station performing data detection using a scalar array
GB2404822B (en) * 2003-08-07 2007-07-11 Ipwireless Inc Method and arrangement for noise variance and sir estimation
FI20040182A0 (fi) * 2004-02-06 2004-02-06 Nokia Corp Tietojenkäsittelymenetelmä, korjain ja vastaanotin
AU2005203278A1 (en) * 2004-08-12 2006-03-02 Nec Australia Pty Ltd Method for calculating filter coefficients for an equaliser in a communication receiver
US20060083291A1 (en) * 2004-10-15 2006-04-20 Zheng Hongming Receiver apparatus, and associated method, for operating upon data communicated in a MIMO, multi-code, MC-CDMA communication system
CN100534021C (zh) * 2004-12-08 2009-08-26 大唐移动通信设备有限公司 一种码分多址系统信道化码的分配方法
US7187230B2 (en) * 2005-03-18 2007-03-06 Nokia Corporation Transferred-impedance filtering in RF receivers
US8064556B2 (en) 2005-09-15 2011-11-22 Qualcomm Incorporated Fractionally-spaced equalizers for spread spectrum wireless communication
US20070230546A1 (en) * 2006-03-30 2007-10-04 Shimon Moshavi Equalizer with reduced complexity with application to long delay spread channels
CN101411088B (zh) 2006-03-31 2012-12-05 日本电气株式会社 接收机
FI20065276A0 (fi) * 2006-04-28 2006-04-28 Nokia Corp Signaalin käsittelymenetelmä, vastaanotin ja tasoitusmenetelmä vastaanottimessa
EP2100388A4 (en) * 2006-12-28 2014-04-09 Nec Corp DATA DISCONNECTION IN A COMMUNICATION RECEIVER WITH RECEPTION DIVERSITY
US8135101B2 (en) * 2006-12-28 2012-03-13 Nec Corporation Data equalisation in a communication receiver wth transmit and receive diversity
DK3444967T3 (da) * 2007-01-12 2021-02-15 Ericsson Telefon Ab L M Fremgangsmåde og anordning i et trådløst kommunikationssystem
US8611480B1 (en) * 2007-03-26 2013-12-17 Marvell International Ltd. Optimal decoding of transmit diversity code with varying channel characteristics
WO2008147067A1 (en) * 2007-05-31 2008-12-04 Electronics And Telecommunications Research Institute Decoding device and method for mimo system
KR100932260B1 (ko) 2007-05-31 2009-12-16 한국전자통신연구원 다중입력 다중출력 시스템을 위한 복호화 장치 및 그 방법
WO2009038521A1 (en) * 2007-09-18 2009-03-26 Telefonaktiebolaget Lm Ericsson (Publ) A method and a device for reduced inter-cell interference
US7929629B2 (en) * 2008-02-07 2011-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for improved channel estimation for communications signal processing
CN101630962B (zh) * 2008-07-18 2014-06-25 美满电子科技(上海)有限公司 用于通信设备的联合检测方法、装置以及通信设备
US7733975B1 (en) * 2008-12-31 2010-06-08 Mediatek Inc. Method for estimating phase error in MIMO OFDM communications system
WO2011162422A1 (en) * 2010-06-21 2011-12-29 Pantech Co., Ltd. Transmitter and receiver, method thereof in wireless communication system
SG11201401228XA (en) * 2011-10-21 2014-06-27 Prime Datum Inc Direct drive fan system with variable process control
GB2495991A (en) * 2011-10-28 2013-05-01 Renesas Mobile Corp Mapping long term evolution (LTE) control channels to television channel white spaces (TVWS)
WO2013134506A2 (en) * 2012-03-07 2013-09-12 Hobbit Wave, Inc. Devices and methods using the hermetic transform
WO2015061709A1 (en) 2013-10-25 2015-04-30 HOBBIT, Wave Devices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communication systems
EP2991441A3 (en) * 2014-08-27 2016-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. A transceiver, a sudac, a method for signal processing in a transceiver, and methods for signal processing in a sudac
US11304661B2 (en) 2014-10-23 2022-04-19 VertoCOMM, Inc. Enhanced imaging devices, and image construction methods and processes employing hermetic transforms
US9942060B2 (en) * 2015-08-01 2018-04-10 Intel IP Corporation Techniques for performing multiple-input and multiple-output training using a beam refinement packet
US9787356B2 (en) * 2015-09-22 2017-10-10 Nxp Usa, Inc. System and method for large dimension equalization using small dimension equalizers
US9667455B1 (en) 2016-03-23 2017-05-30 Nxp Usa, Inc. System and method for large dimension equalization using small dimension equalizers and bypassed equalizers

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100301284B1 (ko) * 1998-04-10 2001-10-27 곽경섭 씨디엠에이시스템의다중사용자신호의수신방법및수신기
DE19820761C1 (de) 1998-05-08 1999-06-24 Siemens Ag Verfahren und Einrichtung zur Kanalschätzung
AU1873899A (en) * 1998-11-18 2000-06-05 Nokia Networks Oy A method for improved channel impulse response estimation in tdma systems
US6122015A (en) * 1998-12-07 2000-09-19 General Electric Company Method and apparatus for filtering digital television signals
CA2385082C (en) * 1999-09-21 2008-04-08 Interdigital Technology Corporation Multiuser detector for variable spreading factors
US6545990B1 (en) * 1999-12-20 2003-04-08 Tantivy Communications, Inc. Method and apparatus for a spectrally compliant cellular communication system
US6963546B2 (en) * 2000-03-15 2005-11-08 Interdigital Technology Corp. Multi-user detection using an adaptive combination of joint detection and successive interface cancellation
US6885654B2 (en) 2001-02-06 2005-04-26 Interdigital Technology Corporation Low complexity data detection using fast fourier transform of channel correlation matrix
EP1364507A2 (en) * 2001-02-22 2003-11-26 Koninklijke Philips Electronics N.V. Multicarrier transmission system with reduced complexity leakage matrix multiplication
US7027489B2 (en) 2001-04-06 2006-04-11 Interdigital Technology Corporation Iterative fast fourier transform error correction
US6625203B2 (en) 2001-04-30 2003-09-23 Interdigital Technology Corporation Fast joint detection
KR100383594B1 (ko) * 2001-06-01 2003-05-14 삼성전자주식회사 통신시스템의 하방향링크 공동검출 방법 및 장치
GB2380371A (en) * 2001-10-01 2003-04-02 Ipwireless Inc Method and arrangement for use in a single user detector for a CDMA multi-path system using a finite impulse response filter
US7099299B2 (en) * 2002-03-04 2006-08-29 Agency For Science, Technology And Research CDMA system with frequency domain equalization
US6757321B2 (en) * 2002-05-22 2004-06-29 Interdigital Technology Corporation Segment-wise channel equalization based data estimation
US6928104B2 (en) * 2002-07-18 2005-08-09 Interdigital Technology Corporation Scaling using gain factors for use in data detection for wireless code division multiple access communication systems
CN100592279C (zh) * 2002-08-20 2010-02-24 美商内数位科技公司 侦测来自以码分多址通信格式的数据信号的数据的设备及方法
US7408978B2 (en) * 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
US7346103B2 (en) * 2003-03-03 2008-03-18 Interdigital Technology Corporation Multi user detection using equalization and successive interference cancellation
US6873596B2 (en) * 2003-05-13 2005-03-29 Nokia Corporation Fourier-transform based linear equalization for CDMA downlink
US8149960B2 (en) * 2003-05-23 2012-04-03 Zenith Electronics Llc Channel estimation for frequency selective multipath channels with long delay spreads based on an assumed physical channel

Also Published As

Publication number Publication date
US20060233223A1 (en) 2006-10-19
DE602004008738D1 (de) 2007-10-18
KR20090061679A (ko) 2009-06-16
KR100922827B1 (ko) 2009-10-21
KR100983297B1 (ko) 2010-09-24
CA2512574A1 (en) 2004-07-29
EP1582008A2 (en) 2005-10-05
KR20090119921A (ko) 2009-11-20
KR20050098856A (ko) 2005-10-12
US7545851B2 (en) 2009-06-09
US20050213640A1 (en) 2005-09-29
MXPA05007461A (es) 2005-09-12
EP1582008B1 (en) 2007-09-05
NO20053493D0 (no) 2005-07-18
WO2004064298A2 (en) 2004-07-29
KR100947008B1 (ko) 2010-03-11
JP4015170B2 (ja) 2007-11-28
US20080240302A1 (en) 2008-10-02
US7796678B2 (en) 2010-09-14
ATE372609T1 (de) 2007-09-15
JP2006515969A (ja) 2006-06-08
NO20053493L (no) 2005-09-27
EP1582008A4 (en) 2006-03-15
KR20050095904A (ko) 2005-10-04
DE602004008738T2 (de) 2008-06-12
US7386033B2 (en) 2008-06-10
ES2293202T3 (es) 2008-03-16
US20090225815A1 (en) 2009-09-10
KR100708272B1 (ko) 2007-04-17
CN1723629A (zh) 2006-01-18
KR20090006880A (ko) 2009-01-15
WO2004064298A3 (en) 2005-03-17
US20050013347A1 (en) 2005-01-20
US6937644B2 (en) 2005-08-30
US7079570B2 (en) 2006-07-18

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