AU2001243560A1 - A method and apparatus for antenna array beamforming - Google Patents

A method and apparatus for antenna array beamforming

Info

Publication number
AU2001243560A1
AU2001243560A1 AU2001243560A AU4356001A AU2001243560A1 AU 2001243560 A1 AU2001243560 A1 AU 2001243560A1 AU 2001243560 A AU2001243560 A AU 2001243560A AU 4356001 A AU4356001 A AU 4356001A AU 2001243560 A1 AU2001243560 A1 AU 2001243560A1
Authority
AU
Australia
Prior art keywords
antenna array
array beamforming
beamforming
antenna
array
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
AU2001243560A
Inventor
Colin D. Frank
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
Priority claimed from US09/801,892 external-priority patent/US7164725B2/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of AU2001243560A1 publication Critical patent/AU2001243560A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode 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
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0617—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 for beam forming
AU2001243560A 2000-03-09 2001-03-09 A method and apparatus for antenna array beamforming Abandoned AU2001243560A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US18811700P 2000-03-09 2000-03-09
US60188117 2000-03-09
US09/801,892 US7164725B2 (en) 2000-03-10 2001-03-08 Method and apparatus for antenna array beamforming
US09801892 2001-03-08
PCT/US2001/007700 WO2001067633A1 (en) 2000-03-09 2001-03-09 A method and apparatus for antenna array beamforming

Publications (1)

Publication Number Publication Date
AU2001243560A1 true AU2001243560A1 (en) 2001-09-17

Family

ID=26883741

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001243560A Abandoned AU2001243560A1 (en) 2000-03-09 2001-03-09 A method and apparatus for antenna array beamforming

Country Status (7)

Country Link
EP (1) EP1179229B1 (en)
JP (1) JP4679025B2 (en)
KR (1) KR100483868B1 (en)
CN (1) CN1196274C (en)
AU (1) AU2001243560A1 (en)
DE (1) DE60135070D1 (en)
WO (1) WO2001067633A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3997890B2 (en) 2001-11-13 2007-10-24 松下電器産業株式会社 Transmission method and transmission apparatus
US20040116122A1 (en) * 2002-09-20 2004-06-17 Interdigital Technology Corporation Enhancing reception using intercellular interference cancellation
KR100482286B1 (en) 2002-09-27 2005-04-13 한국전자통신연구원 Digital broadcasting service receiver for improving reception ability by switched beamforming
US7412212B2 (en) 2002-10-07 2008-08-12 Nokia Corporation Communication system
KR100500661B1 (en) 2003-06-14 2005-07-12 한국전자통신연구원 Apparatus and method for selecting optimal beam for digital tv receiver
CN100428651C (en) * 2004-02-17 2008-10-22 大唐移动通信设备有限公司 Down wave beam shaping method and device of radio channel
CN100336316C (en) * 2004-05-26 2007-09-05 中兴通讯股份有限公司 Method and device for shaping wave beam form of intellectual antenna
US8085653B2 (en) * 2007-09-08 2011-12-27 Intel Corporation Beamforming with nulling techniques for wireless communications networks
KR101565608B1 (en) * 2008-09-04 2015-11-03 코닌클리케 필립스 엔.브이. Distributed spectrum sensing
CN101771449B (en) * 2008-12-26 2013-03-27 电信科学技术研究院 Indication method, system and device of beam-forming granularity
KR101546380B1 (en) * 2009-01-20 2015-08-28 삼성전자주식회사 A Method for power allocation Base Stations which transmits signals with cooperative in a wireless communication system and a system thereof
US8693305B2 (en) 2009-08-24 2014-04-08 Qualcomm Incorporated Method and apparatus for detecting OFDM signals in the presence of frequency orthogonal OFDM interferers
US8923924B2 (en) * 2012-12-20 2014-12-30 Raytheon Company Embedded element electronically steerable antenna for improved operating bandwidth
CN104320777B (en) * 2014-10-30 2017-10-10 电子科技大学 A kind of method of the raising multiaerial system communication security based on beam forming

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634199A (en) * 1993-04-14 1997-05-27 Stanford University Method of subspace beamforming using adaptive transmitting antennas with feedback
US5909460A (en) * 1995-12-07 1999-06-01 Ericsson, Inc. Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
US5767807A (en) * 1996-06-05 1998-06-16 International Business Machines Corporation Communication system and methods utilizing a reactively controlled directive array
US6122260A (en) * 1996-12-16 2000-09-19 Civil Telecommunications, Inc. Smart antenna CDMA wireless communication system
US6002364A (en) * 1997-07-31 1999-12-14 Cbs Corporation Apparatus and method for beam steering control system of a mobile satellite communications antenna
US6061023A (en) * 1997-11-03 2000-05-09 Motorola, Inc. Method and apparatus for producing wide null antenna patterns

Also Published As

Publication number Publication date
JP4679025B2 (en) 2011-04-27
EP1179229B1 (en) 2008-07-30
DE60135070D1 (en) 2008-09-11
JP2003526991A (en) 2003-09-09
CN1364350A (en) 2002-08-14
CN1196274C (en) 2005-04-06
EP1179229A1 (en) 2002-02-13
KR100483868B1 (en) 2005-04-20
KR20020003876A (en) 2002-01-15
WO2001067633A1 (en) 2001-09-13
EP1179229A4 (en) 2004-12-15

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