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AU2001234298A1 - Estimating the antenna angle-of-arrival using uplink weight vectors - Google Patents

Estimating the antenna angle-of-arrival using uplink weight vectors

Info

Publication number
AU2001234298A1
AU2001234298A1 AU2001234298A AU3429801A AU2001234298A1 AU 2001234298 A1 AU2001234298 A1 AU 2001234298A1 AU 2001234298 A AU2001234298 A AU 2001234298A AU 3429801 A AU3429801 A AU 3429801A AU 2001234298 A1 AU2001234298 A1 AU 2001234298A1
Authority
AU
Australia
Prior art keywords
arrival
estimating
weight vectors
antenna angle
uplink weight
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
AU2001234298A
Inventor
Mats Cedervall
Bo Goransson
Joakim Sorelius
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU2001234298A1 publication Critical patent/AU2001234298A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/0848Joint weighting
    • H04B7/0854Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842Weighted combining
    • H04B7/086Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001234298A 2000-02-22 2001-02-15 Estimating the antenna angle-of-arrival using uplink weight vectors Abandoned AU2001234298A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US09/510,594 US6411257B1 (en) 2000-02-22 2000-02-22 Antenna angle-of-arrival estimation using uplink weight vectors
US09510594 2000-02-22
US09/510,594 2000-02-22
PCT/SE2001/000330 WO2001063689A2 (en) 2000-02-22 2001-02-15 Estimating the antenna angle-of-arrival using uplink weight vectors

Publications (1)

Publication Number Publication Date
AU2001234298A1 true AU2001234298A1 (en) 2001-09-03

Family

ID=24031367

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001234298A Abandoned AU2001234298A1 (en) 2000-02-22 2001-02-15 Estimating the antenna angle-of-arrival using uplink weight vectors

Country Status (8)

Country Link
US (1) US6411257B1 (en)
EP (1) EP1258160B1 (en)
JP (1) JP2003524973A (en)
CN (1) CN1216507C (en)
AU (1) AU2001234298A1 (en)
DE (1) DE60125723T2 (en)
TW (1) TW502472B (en)
WO (1) WO2001063689A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185258B1 (en) * 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
CA2276207C (en) 1997-10-31 2003-02-18 At&T Wireless Services, Inc. Low complexity maximum likelihood detection of concatenated space codes for wireless applications
US6459740B1 (en) * 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
KR100493068B1 (en) * 2000-03-08 2005-06-02 삼성전자주식회사 Method and apparatus for semi-blind transmit antenna array using feedback information in mobile communication system
US7460835B1 (en) * 2000-09-22 2008-12-02 Arraycomm Llc Method and apparatus for determining an operating condition in a communications system
JP2002135185A (en) * 2000-10-19 2002-05-10 Hitachi Kokusai Electric Inc Receiving machine
US6839574B2 (en) * 2000-12-20 2005-01-04 Arraycomm, Inc. Method and apparatus for estimating downlink beamforming weights in a communications system
US6496140B1 (en) * 2001-03-27 2002-12-17 Nokia Networks Oy Method for calibrating a smart-antenna array radio transceiver unit and calibrating system
GB2380881B (en) * 2001-10-10 2005-08-24 Roke Manor Research Method for estimating angle of arrival at a mobile terminal
US7155177B2 (en) * 2003-02-10 2006-12-26 Qualcomm Incorporated Weight prediction for closed-loop mode transmit diversity
US8797213B2 (en) * 2009-09-30 2014-08-05 Broadcom Corporation Methods and systems for estimating angle of arrival
US10386447B2 (en) 2015-09-16 2019-08-20 Qatar University Method and apparatus for simple angle of arrival estimation
DE102017214681B4 (en) * 2017-08-22 2019-03-14 Continental Automotive Gmbh Apparatus and method for determining quality characteristics for angle measurement for a motor vehicle
US11056784B1 (en) 2019-07-29 2021-07-06 Apple Inc. Phased array antenna with analog beamforming—calibration techniques for angle of arrival applications

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4965732A (en) * 1985-11-06 1990-10-23 The Board Of Trustees Of The Leland Stanford Junior University Methods and arrangements for signal reception and parameter estimation
US6047192A (en) * 1996-05-13 2000-04-04 Ksi Inc. Robust, efficient, localization system
JP3092798B2 (en) * 1998-06-30 2000-09-25 日本電気株式会社 Adaptive transceiver

Also Published As

Publication number Publication date
WO2001063689A3 (en) 2002-07-11
US6411257B1 (en) 2002-06-25
JP2003524973A (en) 2003-08-19
EP1258160B1 (en) 2007-01-03
CN1216507C (en) 2005-08-24
TW502472B (en) 2002-09-11
DE60125723D1 (en) 2007-02-15
WO2001063689A2 (en) 2001-08-30
DE60125723T2 (en) 2007-10-25
EP1258160A2 (en) 2002-11-20
CN1408192A (en) 2003-04-02

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