NO20032046D0 - Enkeltbrukerdeteksjon - Google Patents

Enkeltbrukerdeteksjon

Info

Publication number
NO20032046D0
NO20032046D0 NO20032046A NO20032046A NO20032046D0 NO 20032046 D0 NO20032046 D0 NO 20032046D0 NO 20032046 A NO20032046 A NO 20032046A NO 20032046 A NO20032046 A NO 20032046A NO 20032046 D0 NO20032046 D0 NO 20032046D0
Authority
NO
Norway
Prior art keywords
combined signal
data signals
channel response
transmitted
data
Prior art date
Application number
NO20032046A
Other languages
English (en)
Other versions
NO20032046L (no
Inventor
Parthapratim De
Ariela Zeira
Jung-Lin Pan
Raj Mani Misra
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 NO20032046D0 publication Critical patent/NO20032046D0/no
Publication of NO20032046L publication Critical patent/NO20032046L/no

Links

Classifications

    • 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
    • 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
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/7077Multi-step acquisition, e.g. multi-dwell, coarse-fine or validation
    • 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
    • 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
    • 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
    • H04L25/0212Channel estimation of impulse response

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
NO20032046A 2000-11-09 2003-05-07 Enkeltbrukerdeteksjon NO20032046L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24694700P 2000-11-09 2000-11-09
PCT/US2001/046747 WO2002039610A2 (en) 2000-11-09 2001-11-08 Single user detection

Publications (2)

Publication Number Publication Date
NO20032046D0 true NO20032046D0 (no) 2003-05-07
NO20032046L NO20032046L (no) 2003-07-07

Family

ID=22932878

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20032046A NO20032046L (no) 2000-11-09 2003-05-07 Enkeltbrukerdeteksjon

Country Status (19)

Country Link
US (16) US7110383B2 (no)
EP (2) EP1686696B1 (no)
JP (5) JP4087705B2 (no)
KR (4) KR100669962B1 (no)
CN (4) CN101692618A (no)
AR (1) AR031747A1 (no)
AT (2) ATE517472T1 (no)
AU (1) AU2002220234A1 (no)
BR (1) BR0115660A (no)
CA (2) CA2670653A1 (no)
DE (2) DE60120740T2 (no)
DK (1) DK1332565T3 (no)
ES (1) ES2264995T3 (no)
IL (4) IL155792A0 (no)
MX (1) MXPA03004107A (no)
MY (1) MY140055A (no)
NO (1) NO20032046L (no)
TW (1) TW540200B (no)
WO (1) WO2002039610A2 (no)

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TW540200B (en) * 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
US6707864B2 (en) * 2001-01-25 2004-03-16 Interdigital Technology Corporation Simplified block linear equalizer with block space time transmit diversity
GB2377347B (en) * 2001-07-02 2004-06-30 Ipwireless Inc Chip rate invariant detector
DE10138962B4 (de) * 2001-08-08 2011-05-12 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Erkennung von aktiven Codesequenzen
DE10138963B4 (de) * 2001-08-08 2009-04-02 Rohde & Schwarz Gmbh & Co. Kg Verfahren zum Schätzen von Parametern eines CDMA-Signals
US7203181B2 (en) 2002-06-28 2007-04-10 Interdigital Technology Corporation CDMA system transmission matrix coefficient calculation
US7408978B2 (en) 2002-09-09 2008-08-05 Interdigital Technology Corporation Extended algorithm data estimator
SG108906A1 (en) * 2003-02-27 2005-02-28 Sony Corp Digital communications channel estimation method
TWI260143B (en) 2003-03-03 2006-08-11 Interdigital Tech Corp Reduced complexity sliding window based equalizer method and apparatus
US7042967B2 (en) * 2003-03-03 2006-05-09 Interdigital Technology Corporation Reduced complexity sliding window based equalizer
KR100768737B1 (ko) * 2003-06-25 2007-10-22 인터디지탈 테크날러지 코포레이션 복잡도가 감소된 슬라이딩 윈도우 기반의 등화기
US7006840B2 (en) 2003-09-30 2006-02-28 Interdigital Technology Corporation Efficient frame tracking in mobile receivers
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
US7570689B2 (en) * 2005-02-14 2009-08-04 Interdigital Technology Corporation Advanced receiver with sliding window block linear equalizer
CA2515996A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Joint space-time optimum filters (jstof) for interference cancellation
US7733996B2 (en) 2005-05-25 2010-06-08 Research In Motion Limited Joint space-time optimum filters (JSTOF) for interference cancellation
US7881410B2 (en) 2005-06-29 2011-02-01 Samsung Electronics Co., Ltd. Apparatus and method for detecting user in a communication system
US20070076791A1 (en) * 2005-07-26 2007-04-05 Interdigital Technology Corporation Approximate cholesky decomposition-based block linear equalizer
JP4129014B2 (ja) 2005-08-10 2008-07-30 株式会社エヌ・ティ・ティ・ドコモ 移動通信端末
CA2516192A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using qr and eigenvalue decompositions
CA2515997A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using qr and eigenvalue decompositions
CA2515932A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using cholesky and eigenvalue decompositions
CA2515867A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using cholesky and eigenvalue decompositions
CA2516124A1 (en) * 2005-08-15 2007-02-15 Research In Motion Limited Implementation of joint space-time optimum filters (jstof) using singular value decompositions
KR100656826B1 (ko) * 2005-12-23 2006-12-13 주식회사 케이티 준동기 부호분할 다원접속 시스템의 낮은 상관구역 수열군생성 장치 및 방법
JP4675255B2 (ja) * 2006-02-15 2011-04-20 株式会社日立国際電気 マルチユーザー検出装置
US20070217615A1 (en) * 2006-03-20 2007-09-20 Beceem Communications, Inc. Method and system for estimating a channel frequency response of a training symbol in a block transmission system
US20090180455A1 (en) * 2008-01-15 2009-07-16 Mukundan Ranganathan Method and system for cqi based adaptive diagonal loading for dmi-eq in hsdpa receivers
US20100011039A1 (en) * 2008-07-11 2010-01-14 James Vannucci Device and method for solving a system of equations
US8639368B2 (en) 2008-07-15 2014-01-28 Lg Electronics Inc. Method and an apparatus for processing an audio signal
US8442468B2 (en) * 2010-04-12 2013-05-14 Telefonaktiebolaget L M Ericsson (Publ) Omni-directional sensing of radio spectra
CN102340326B (zh) * 2011-09-09 2016-04-13 中兴通讯股份有限公司 盲多用户检测方法及装置
US11595137B1 (en) * 2021-02-17 2023-02-28 Keysight Technologies, Inc. System and method of measuring error vector magnitude in the time domain

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US5157688A (en) * 1991-03-14 1992-10-20 Hughes Aircraft Company Spread spectrum transmitter for degrading spread spectrum feature detectors
US5337225A (en) * 1993-01-06 1994-08-09 The Standard Products Company Lighting strip system
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US5377225A (en) 1993-10-19 1994-12-27 Hughes Aircraft Company Multiple-access noise rejection filter for a DS-CDMA system
US5377226A (en) * 1993-10-19 1994-12-27 Hughes Aircraft Company Fractionally-spaced equalizer for a DS-CDMA system
US5477225A (en) * 1993-11-16 1995-12-19 B F Goodrich Flightsystems, Inc. Method and apparatus for associating target replies with target signatures
US5648983A (en) * 1995-04-24 1997-07-15 Lucent Technologies Inc. CDMA rake receiver with sub-chip resolution
TW376601B (en) * 1995-08-01 1999-12-11 Siemens Ag Method and arrangement for reducing common channel interference in radio system with a cellular structure
EP0767543A3 (de) * 1995-10-06 2000-07-26 Siemens Aktiengesellschaft Kodemultiplexnachrichtenübertragung mit Interferenzunterdrückung
SE9600578L (sv) * 1996-02-16 1997-03-10 Ericsson Telefon Ab L M Metod och anordning för kanaltilldelning i ett radiokommunikationssystem
DE19738156C2 (de) 1997-09-01 2000-04-06 Siemens Ag Verfahren und Anordnung zur Übertragung von Nutzdaten in einem Funkkommunikationssystem
CN1281602A (zh) 1997-10-14 2001-01-24 西门子公司 在通信系统中用于信道评估的方法和接收装置
US6175588B1 (en) * 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
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HK1045612B (en) 1999-09-14 2004-11-26 Interdigital Technology Corporation Reduced computation in joint detection
US6856643B1 (en) * 1999-10-22 2005-02-15 Cwill Telecommunications, Inc. Communication system and method for performing fast symbol estimation for multiple access disperse channels
TW540200B (en) * 2000-11-09 2003-07-01 Interdigital Tech Corp Single user detection
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Also Published As

Publication number Publication date
IL199791A (en) 2013-01-31
US20100254440A1 (en) 2010-10-07
HK1064525A1 (zh) 2005-01-28
US7110384B2 (en) 2006-09-19
DK1332565T3 (da) 2006-10-16
US7126933B2 (en) 2006-10-24
CA2428992A1 (en) 2002-05-16
US20020159428A1 (en) 2002-10-31
ATE330371T1 (de) 2006-07-15
WO2002039610A2 (en) 2002-05-16
JP4087705B2 (ja) 2008-05-21
JP3996888B2 (ja) 2007-10-24
US20020131384A1 (en) 2002-09-19
US20080317103A1 (en) 2008-12-25
KR100669970B1 (ko) 2007-01-19
US7110386B2 (en) 2006-09-19
BR0115660A (pt) 2004-01-06
CN101692619A (zh) 2010-04-07
US7126978B2 (en) 2006-10-24
NO20032046L (no) 2003-07-07
MXPA03004107A (es) 2004-01-29
JP2004096795A (ja) 2004-03-25
US20020136160A1 (en) 2002-09-26
ES2264995T3 (es) 2007-02-01
US20020126619A1 (en) 2002-09-12
KR100669959B1 (ko) 2007-01-18
US20020141366A1 (en) 2002-10-03
US20020145989A1 (en) 2002-10-10
US20020141373A1 (en) 2002-10-03
JP2009213181A (ja) 2009-09-17
ATE517472T1 (de) 2011-08-15
AU2002220234A1 (en) 2002-05-21
US7133412B2 (en) 2006-11-07
US20020159383A1 (en) 2002-10-31
US7126961B2 (en) 2006-10-24
CN101692618A (zh) 2010-04-07
DE1332565T1 (de) 2003-11-27
KR100669962B1 (ko) 2007-01-19
US7106719B2 (en) 2006-09-12
MY140055A (en) 2009-11-30
EP1686696A1 (en) 2006-08-02
AR031747A1 (es) 2003-10-01
US20070019590A1 (en) 2007-01-25
KR20040034720A (ko) 2004-04-28
CN101695005A (zh) 2010-04-14
DE60120740T2 (de) 2007-03-29
KR20060053017A (ko) 2006-05-19
IL155792A (en) 2008-11-26
US7072290B2 (en) 2006-07-04
US7110383B2 (en) 2006-09-19
TW540200B (en) 2003-07-01
JP2012165468A (ja) 2012-08-30
JP2007049753A (ja) 2007-02-22
WO2002039610A3 (en) 2003-03-13
CN100561881C (zh) 2009-11-18
JP2004525539A (ja) 2004-08-19
US20020141372A1 (en) 2002-10-03
US20020154599A1 (en) 2002-10-24
US7110385B2 (en) 2006-09-19
EP1686696B1 (en) 2011-07-20
CN1502173A (zh) 2004-06-02
KR100669969B1 (ko) 2007-01-19
US7126960B2 (en) 2006-10-24
US7414999B2 (en) 2008-08-19
US7133394B2 (en) 2006-11-07
IL155792A0 (en) 2003-12-23
CA2428992C (en) 2009-10-13
JP4362504B2 (ja) 2009-11-11
US20020131383A1 (en) 2002-09-19
KR20050088165A (ko) 2005-09-01
US7768986B2 (en) 2010-08-03
KR20040028682A (ko) 2004-04-03
US7126962B2 (en) 2006-10-24
US20020154619A1 (en) 2002-10-24
US20020126646A1 (en) 2002-09-12
DE60120740D1 (de) 2006-07-27
IL192393A (en) 2010-03-28
EP1332565A2 (en) 2003-08-06
CA2670653A1 (en) 2002-05-16
EP1332565B1 (en) 2006-06-14

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application