NO20053493L - Generalisert totrinns dataestimering - Google Patents

Generalisert totrinns dataestimering

Info

Publication number
NO20053493L
NO20053493L NO20053493A NO20053493A NO20053493L NO 20053493 L NO20053493 L NO 20053493L NO 20053493 A NO20053493 A NO 20053493A NO 20053493 A NO20053493 A NO 20053493A NO 20053493 L NO20053493 L NO 20053493L
Authority
NO
Norway
Prior art keywords
estimate
received signals
channel
wtru
produce
Prior art date
Application number
NO20053493A
Other languages
English (en)
Norwegian (no)
Other versions
NO20053493D0 (no
Inventor
Donald M Grieco
Jung-Lin Pan
Yuejin Huang
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
Publication of NO20053493D0 publication Critical patent/NO20053493D0/no
Publication of NO20053493L publication Critical patent/NO20053493L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • 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
    • H04B1/71052—Joint detection techniques, e.g. linear detectors using decorrelation matrix
    • 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
    • H04B1/71055—Joint detection techniques, e.g. linear detectors using minimum mean squared error [MMSE] detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/16—Code allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0246—Channel estimation channel estimation algorithms using matrix methods with factorisation
    • 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
    • H04B2201/70707—Efficiency-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)
  • Complex Calculations (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Optical Communication System (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO20053493A 2003-01-10 2005-07-18 Generalisert totrinns dataestimering NO20053493L (no)

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 (2)

Publication Number Publication Date
NO20053493D0 NO20053493D0 (no) 2005-07-18
NO20053493L true NO20053493L (no) 2005-09-27

Family

ID=32713459

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20053493A NO20053493L (no) 2003-01-10 2005-07-18 Generalisert totrinns dataestimering

Country Status (13)

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

Families Citing this family (34)

* 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
WO2004079927A2 (en) 2003-03-03 2004-09-16 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
US7042967B2 (en) 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
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
EP2007028B1 (de) 2006-03-31 2015-07-01 NEC Corporation Empfänger
FI20065276A0 (fi) * 2006-04-28 2006-04-28 Nokia Corp Signaalin käsittelymenetelmä, vastaanotin ja tasoitusmenetelmä vastaanottimessa
EP2100388A4 (de) * 2006-12-28 2014-04-09 Nec Corp Datenentzerrung in einem kommunikationsempfänger mit empfangsdiversität
US8135101B2 (en) * 2006-12-28 2012-03-13 Nec Corporation Data equalisation in a communication receiver wth transmit and receive diversity
EP3174221B1 (de) * 2007-01-12 2018-09-26 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung in einem drahtloskommunikationssystem
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
CN101785207A (zh) * 2007-09-18 2010-07-21 Lm爱立信电话有限公司 一种减少小区间干扰的方法及设备
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
CA2851821C (en) * 2011-10-21 2022-07-12 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
US9531431B2 (en) 2013-10-25 2016-12-27 Hobbit Wave, Inc. Devices and methods employing hermetic transforms for encoding and decoding digital information in spread-spectrum communications systems
EP2991441A3 (de) * 2014-08-27 2016-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sender-Empfänger, SUDAC, Verfahren zur Signalverarbeitung in einem Sender-Empfänger und Verfahren zur Signalverarbeitung in einem 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
EP1147624B1 (de) * 1998-11-18 2002-08-28 Nokia Corporation Verfahren zur verbesserten schätzung der kanalimpulsantwort in tdma-systemen
US6122015A (en) * 1998-12-07 2000-09-19 General Electric Company Method and apparatus for filtering digital television signals
KR100493750B1 (ko) * 1999-09-21 2005-06-07 인터디지탈 테크날러지 코포레이션 가변 확산 인자용 멀티유저 검출기
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
WO2002067527A2 (en) * 2001-02-22 2002-08-29 Koninklijke Philips Electronics N.V. Multicarrier equalisation using multiplication by a leakage matrix
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
EP1552405B1 (de) * 2002-08-20 2009-06-03 Interdigital Technology Corporation Effiziente gemeinsame detektion
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
DE602004008738D1 (de) 2007-10-18
ATE372609T1 (de) 2007-09-15
US6937644B2 (en) 2005-08-30
DE602004008738T2 (de) 2008-06-12
US7545851B2 (en) 2009-06-09
US7796678B2 (en) 2010-09-14
US7386033B2 (en) 2008-06-10
WO2004064298A3 (en) 2005-03-17
US20080240302A1 (en) 2008-10-02
CA2512574A1 (en) 2004-07-29
US20050013347A1 (en) 2005-01-20
KR20090061679A (ko) 2009-06-16
KR100947008B1 (ko) 2010-03-11
JP4015170B2 (ja) 2007-11-28
MXPA05007461A (es) 2005-09-12
KR20090119921A (ko) 2009-11-20
KR20050095904A (ko) 2005-10-04
KR20050098856A (ko) 2005-10-12
KR100983297B1 (ko) 2010-09-24
DK1582008T3 (da) 2008-01-21
WO2004064298A2 (en) 2004-07-29
US20050213640A1 (en) 2005-09-29
EP1582008A4 (de) 2006-03-15
KR20090006880A (ko) 2009-01-15
US20090225815A1 (en) 2009-09-10
US7079570B2 (en) 2006-07-18
JP2006515969A (ja) 2006-06-08
ES2293202T3 (es) 2008-03-16
EP1582008B1 (de) 2007-09-05
EP1582008A2 (de) 2005-10-05
CN1723629A (zh) 2006-01-18
KR100922827B1 (ko) 2009-10-21
KR100708272B1 (ko) 2007-04-17
NO20053493D0 (no) 2005-07-18
US20060233223A1 (en) 2006-10-19

Similar Documents

Publication Publication Date Title
DK1582008T3 (da) Generaliseret totrinsdataestimering
WO2002015502A3 (en) Adaptive linear equalisation for walsh-modulated
WO2007019171A3 (en) Method and apparatus for estimating signal-to-noise ratio, noise power, and signal power
AU2003287680A1 (en) Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communication signals
WO2011005529A3 (en) Method and apparatus that facilitates estimating doppler spread for uplink transmissions
WO2005006779A3 (en) Unbiased signal to interference ratio in wireless communications devices and methods therefor
TW200501572A (en) Communication receiver with an adaptive equalizer length
WO2008061123A3 (en) Successive equalization and cancellation and successive mini multi-user detection for wireless communication
TW200737806A (en) Radio communication device and radio communication method
ATE484137T1 (de) Mehrbenutzerdetektion für drahtlose übertragungssysteme in gegenwart von inteferenz
WO2004102847A3 (en) Fourier-transform based linear equalization for cdma downlink
WO2006086261A3 (en) Wireless communications device performing block equalization based upon prior, current and/or future autocorrelation matrix estimates and related methods
AR056796A1 (es) Metodos para actualizar vectores de simbolo ofdm recibidos en una senal de radio en canal de banda am, metodo para estimar varianzas de la informacion de simbolo de entrenamiento recibida y receptores par senales de radio en canal de banda am y vectores de simbolo ofdm
TW200642326A (en) Method and apparatus for estimating signal-to-noise ratio based on decicated physical channel pilot symbols
WO2005062755A3 (en) Ofdm frequency offset estimation apparatus and method
EP2264910A3 (de) Spreizspektrumkorrelator
DE602004016457D1 (de) Iterative Chipentzerrung und Mehrbenutzerdetektion in CDMA Kommunikationssystemen durch MIMO Kanal
WO2004102813A3 (en) Estimation of multipath channel with sub-chip resolution
EP1603293A3 (de) Empfänger für optische Signale mit einem Viterbi-Entzerrer und einer Vorrichtung zur Parameterschätzung
CN105204036A (zh) 一种基于抑制多径信号的跟踪环路设计方法
ATE397850T1 (de) Berbesserte blinde snr-schätzung
TW200419957A (en) Method and apparatus for pilot estimation using prediction error method
TW200637193A (en) A weighted autocorrelation method for downlink CDMA LMMSE equalizers
WO2004079927A3 (en) Reduced complexity sliding window based equalizer
WO2007047376A3 (en) Rapid channel signal identification

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application