AU2001278190A1 - Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system - Google Patents

Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system

Info

Publication number
AU2001278190A1
AU2001278190A1 AU2001278190A AU7819001A AU2001278190A1 AU 2001278190 A1 AU2001278190 A1 AU 2001278190A1 AU 2001278190 A AU2001278190 A AU 2001278190A AU 7819001 A AU7819001 A AU 7819001A AU 2001278190 A1 AU2001278190 A1 AU 2001278190A1
Authority
AU
Australia
Prior art keywords
channel
cdma system
delay estimation
carrier cdma
channel gain
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.)
Abandoned
Application number
AU2001278190A
Inventor
Jiann-Ching Guey
Essam Sourour
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of AU2001278190A1 publication Critical patent/AU2001278190A1/en
Abandoned 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H04L5/026—Multiplexing of multicarrier modulation signals using code division
    • 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
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AU2001278190A 2000-07-05 2001-07-03 Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system Abandoned AU2001278190A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/610,050 2000-07-05
US09/610,050 US6876645B1 (en) 2000-07-05 2000-07-05 Delay and channel estimation for multi-carrier CDMA system
PCT/US2001/041274 WO2002003556A2 (en) 2000-07-05 2001-07-03 Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system

Publications (1)

Publication Number Publication Date
AU2001278190A1 true AU2001278190A1 (en) 2002-01-14

Family

ID=24443426

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001278190A Abandoned AU2001278190A1 (en) 2000-07-05 2001-07-03 Method and apparatus for channel gain and channel delay estimation in a multi-carrier cdma system

Country Status (4)

Country Link
US (1) US6876645B1 (en)
EP (1) EP1297671A2 (en)
AU (1) AU2001278190A1 (en)
WO (1) WO2002003556A2 (en)

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US7227884B2 (en) 2000-02-28 2007-06-05 Aeroastro, Inc. Spread-spectrum receiver with progressive fourier transform
US7596170B2 (en) * 2000-02-28 2009-09-29 Aeroastro, Inc. Coherent detection without transmission preamble
KR100377197B1 (en) * 2000-12-26 2003-03-26 한국전자통신연구원 Apparatus and method for separating carrier of multicarrier wireless communication receiver system
US7161896B1 (en) * 2002-08-12 2007-01-09 Cisco Systems Wireless Networking (Australia) Pty Limited Channel estimation in a multicarrier radio receiver
US7397758B1 (en) * 2002-08-12 2008-07-08 Cisco Technology, Inc. Channel tracking in a OFDM wireless receiver
JP4381749B2 (en) * 2002-09-19 2009-12-09 パナソニック株式会社 Wireless communication apparatus and wireless communication method
JP4309110B2 (en) * 2002-09-27 2009-08-05 パナソニック株式会社 Adaptive antenna wireless communication device
US7079828B1 (en) * 2002-10-25 2006-07-18 Edgewater Computer Systems, Inc. Method and apparatus for side-lobe cancellation in wideband radio systems
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
US7177297B2 (en) 2003-05-12 2007-02-13 Qualcomm Incorporated Fast frequency hopping with a code division multiplexed pilot in an OFDMA system
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US8238923B2 (en) 2004-12-22 2012-08-07 Qualcomm Incorporated Method of using shared resources in a communication system
US20060140289A1 (en) * 2004-12-27 2006-06-29 Mandyam Giridhar D Method and apparatus for providing an efficient pilot scheme for channel estimation
US7711029B2 (en) * 2005-12-02 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Hopping pilot pattern for telecommunications
WO2007136415A2 (en) * 2005-12-30 2007-11-29 Comtech Mobile Datacom Corporation Mobile satellite communications
ES2437574T3 (en) * 2006-04-27 2014-01-13 Telecom Italia S.P.A. Frequency domain channel estimation in a single carrier frequency division multiple access system
FR2905814A1 (en) * 2006-09-13 2008-03-14 France Telecom METHOD FOR RECEIVING MODULAR AMRF SIGNALS AND RECEIVING DEVICE USING THE SAME.
US8275080B2 (en) 2006-11-17 2012-09-25 Comtech Mobile Datacom Corporation Self-supporting simplex packets
US8284749B2 (en) * 2008-03-10 2012-10-09 Comtech Mobile Datacom Corporation Time slot synchronized, flexible bandwidth communication system
US8811331B2 (en) * 2008-04-10 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Pilot design using costas arrays
US8345803B2 (en) 2008-10-02 2013-01-01 Qualcomm Incorporated Optimized finger assignment for improved multicarrier throughput
KR101258498B1 (en) 2008-06-27 2013-04-26 퀄컴 인코포레이티드 Optimized finger assignment for improved multicarrier throughput
US9106364B1 (en) 2009-01-26 2015-08-11 Comtech Mobile Datacom Corporation Signal processing of a high capacity waveform
US8548107B1 (en) 2009-01-26 2013-10-01 Comtech Mobile Datacom Corporation Advanced multi-user detector
US8675711B1 (en) 2009-09-25 2014-03-18 Comtech Mobile Datacom Corporation System and methods for dynamic spread spectrum usage
WO2016014848A1 (en) 2014-07-23 2016-01-28 Aviat Networks, Inc. Systems and methods for averaging in frequency domain equalization systems
KR101811221B1 (en) * 2016-02-17 2017-12-21 주식회사 이노와이어리스 method for processing WCDMA signal timing offset for signal analyzing equipment
EP3211802B1 (en) * 2016-02-26 2019-01-02 Nxp B.V. Multi-mode transceiver arrangement

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Publication number Priority date Publication date Assignee Title
FR2710214B1 (en) 1993-09-15 1995-10-20 Alcatel Mobile Comm France Threshold detector for a digital radio transmission system, devices comprising such a threshold detector and corresponding use.
US5481570A (en) * 1993-10-20 1996-01-02 At&T Corp. Block radio and adaptive arrays for wireless systems
US5533062A (en) * 1994-10-03 1996-07-02 Motorola, Inc. Method and apparatus for carrier tracking and demodulation
US5910950A (en) 1996-08-16 1999-06-08 Lucent Technologies Inc. Demodulator phase correction for code division multiple access receiver
US5870378A (en) * 1996-08-20 1999-02-09 Lucent Technologies Inc. Method and apparatus of a multi-code code division multiple access receiver having a shared accumulator circuits
JPH10190626A (en) 1996-12-27 1998-07-21 Matsushita Electric Ind Co Ltd Cdma reception device
US6335922B1 (en) * 1997-02-11 2002-01-01 Qualcomm Incorporated Method and apparatus for forward link rate scheduling
US6097712A (en) * 1997-06-20 2000-08-01 Nortel Networks Limited Multi-carrier CDMA communications systems
US6507602B1 (en) * 1999-01-07 2003-01-14 Ericsson, Inc. Smoothing receiver channel estimates using spectral estimation
JP2002016587A (en) 2000-06-30 2002-01-18 Sony Corp Reception method and receiver

Also Published As

Publication number Publication date
WO2002003556A2 (en) 2002-01-10
US6876645B1 (en) 2005-04-05
WO2002003556A3 (en) 2002-08-01
EP1297671A2 (en) 2003-04-02

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