AU2001265152A1 - An improved method for estimating adaptive array weights in a wireless communication system - Google Patents

An improved method for estimating adaptive array weights in a wireless communication system

Info

Publication number
AU2001265152A1
AU2001265152A1 AU2001265152A AU6515201A AU2001265152A1 AU 2001265152 A1 AU2001265152 A1 AU 2001265152A1 AU 2001265152 A AU2001265152 A AU 2001265152A AU 6515201 A AU6515201 A AU 6515201A AU 2001265152 A1 AU2001265152 A1 AU 2001265152A1
Authority
AU
Australia
Prior art keywords
wireless communication
communication system
improved method
adaptive array
array weights
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
AU2001265152A
Inventor
Soodesh Buljore
Robert M Harrison
Kevin M Laird
David Myara
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of AU2001265152A1 publication Critical patent/AU2001265152A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0652—Feedback error handling
    • H04B7/0656—Feedback error handling at the transmitter, e.g. error detection at base station

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001265152A 2000-05-31 2001-05-30 An improved method for estimating adaptive array weights in a wireless communication system Abandoned AU2001265152A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09584626 2000-05-31
US09/584,626 US6434366B1 (en) 2000-05-31 2000-05-31 Method and system for estimating adaptive array weights used to transmit a signal to a receiver in a wireless communication system
PCT/US2001/017388 WO2001093456A1 (en) 2000-05-31 2001-05-30 An improved method for estimating adaptive array weights in a wireless communication system

Publications (1)

Publication Number Publication Date
AU2001265152A1 true AU2001265152A1 (en) 2001-12-11

Family

ID=24338153

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001265152A Abandoned AU2001265152A1 (en) 2000-05-31 2001-05-30 An improved method for estimating adaptive array weights in a wireless communication system

Country Status (6)

Country Link
US (1) US6434366B1 (en)
EP (1) EP1290814B1 (en)
KR (1) KR100452790B1 (en)
AU (1) AU2001265152A1 (en)
DE (1) DE60138701D1 (en)
WO (1) WO2001093456A1 (en)

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US7180956B1 (en) * 2000-08-02 2007-02-20 Via Telecom Co., Ltd. Method and apparatus for applying overlaid perturbation vectors for gradient feedback transmit antenna array adaptation
US6952455B1 (en) * 2000-08-02 2005-10-04 Via Telecom, Co., Ltd. Adaptive antenna method and apparatus
US7433416B1 (en) * 2000-08-02 2008-10-07 Via Telecom Co., Ltd. Method and apparatus for generating transmit adaptive antenna weights with nulling using binary gradient feedback
US7236538B1 (en) * 2000-08-02 2007-06-26 Via Telecom Co., Ltd. Method and apparatus for improving transmit antenna weight tracking using channel correlations in a wireless communication system
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US6826241B2 (en) * 2001-02-21 2004-11-30 Motorola, Inc. Apparatus and method for filtering maximum-length-code signals in a spread spectrum communication system
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US7224758B1 (en) * 2001-03-23 2007-05-29 Via Telecom Co., Ltd. Multiple transmit antenna weighting techniques
US8290098B2 (en) 2001-03-30 2012-10-16 Texas Instruments Incorporated Closed loop multiple transmit, multiple receive antenna wireless communication system
US6996375B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Transmit diversity and separating multiple loopback signals
US7197282B2 (en) * 2001-07-26 2007-03-27 Ericsson Inc. Mobile station loop-back signal processing
US7224942B2 (en) 2001-07-26 2007-05-29 Telefonaktiebolaget Lm Ericsson (Publ) Communications system employing non-polluting pilot codes
US7209511B2 (en) * 2001-08-31 2007-04-24 Ericsson Inc. Interference cancellation in a CDMA receiving system
US6996380B2 (en) * 2001-07-26 2006-02-07 Ericsson Inc. Communication system employing transmit macro-diversity
JP2003124856A (en) * 2001-10-10 2003-04-25 Hitachi Kokusai Electric Inc Adaptive array antenna directivity control system
US7155231B2 (en) * 2002-02-08 2006-12-26 Qualcomm, Incorporated Transmit pre-correction in a wireless communication system
US7986672B2 (en) * 2002-02-25 2011-07-26 Qualcomm Incorporated Method and apparatus for channel quality feedback in a wireless communication
US7444161B2 (en) * 2002-03-22 2008-10-28 Huawei Technologies Co., Ltd. Self & minus; adaptive weighted space time transmitting diversity method and system thereof
CN100452677C (en) * 2002-04-03 2009-01-14 日本电气株式会社 Mobile communication system, mobile station, base station, communication path quality estimation method used for the same
US7342912B1 (en) * 2002-06-28 2008-03-11 Arraycomm, Llc. Selection of user-specific transmission parameters for optimization of transmit performance in wireless communications using a common pilot channel
US6873606B2 (en) * 2002-10-16 2005-03-29 Qualcomm, Incorporated Rate adaptive transmission scheme for MIMO systems
AU2003290543A1 (en) * 2002-10-29 2004-05-25 Nokia Corporation Low complexity beamformers for multiple transmit and receive antennas
US20040125865A1 (en) * 2002-12-30 2004-07-01 Frank Colin D. Maximum signal-to-interference-and-noise spread spectrum rake receiver and method
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US7499452B2 (en) * 2004-12-28 2009-03-03 International Business Machines Corporation Self-healing link sequence counts within a circular buffer
US7398106B2 (en) * 2005-03-31 2008-07-08 Adc Telecommunications, Inc. Dynamic readjustment of power
US7640019B2 (en) * 2005-03-31 2009-12-29 Adc Telecommunications, Inc. Dynamic reallocation of bandwidth and modulation protocols
US7423988B2 (en) * 2005-03-31 2008-09-09 Adc Telecommunications, Inc. Dynamic reconfiguration of resources through page headers
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Also Published As

Publication number Publication date
EP1290814A4 (en) 2006-05-10
EP1290814B1 (en) 2009-05-13
WO2001093456A1 (en) 2001-12-06
US6434366B1 (en) 2002-08-13
KR20020016935A (en) 2002-03-06
KR100452790B1 (en) 2004-10-14
DE60138701D1 (en) 2009-06-25
EP1290814A1 (en) 2003-03-12

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