DE60204617D1 - Verfahren zum Steuern der Nullrichtung von Gruppenantennen - Google Patents

Verfahren zum Steuern der Nullrichtung von Gruppenantennen

Info

Publication number
DE60204617D1
DE60204617D1 DE60204617T DE60204617T DE60204617D1 DE 60204617 D1 DE60204617 D1 DE 60204617D1 DE 60204617 T DE60204617 T DE 60204617T DE 60204617 T DE60204617 T DE 60204617T DE 60204617 D1 DE60204617 D1 DE 60204617D1
Authority
DE
Germany
Prior art keywords
controlling
array antennas
null direction
null
antennas
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.)
Expired - Lifetime
Application number
DE60204617T
Other languages
English (en)
Other versions
DE60204617T2 (de
Inventor
Masashi C O Nec Corpora Hirabe
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE60204617D1 publication Critical patent/DE60204617D1/de
Publication of DE60204617T2 publication Critical patent/DE60204617T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE60204617T 2001-04-09 2002-04-09 Nullrichtungssteuerverfahren für Antennenanordnung Expired - Lifetime DE60204617T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001110539 2001-04-09
JP2001110539A JP3767799B2 (ja) 2001-04-09 2001-04-09 アレーアンテナのヌル方向制御方法及び装置

Publications (2)

Publication Number Publication Date
DE60204617D1 true DE60204617D1 (de) 2005-07-21
DE60204617T2 DE60204617T2 (de) 2006-05-11

Family

ID=18962289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60204617T Expired - Lifetime DE60204617T2 (de) 2001-04-09 2002-04-09 Nullrichtungssteuerverfahren für Antennenanordnung

Country Status (6)

Country Link
US (1) US6633265B2 (de)
EP (1) EP1249891B1 (de)
JP (1) JP3767799B2 (de)
KR (1) KR100477619B1 (de)
CN (1) CN1217447C (de)
DE (1) DE60204617T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3888424B2 (ja) * 2001-06-01 2007-03-07 日本電気株式会社 適応アンテナ受信装置
US6873606B2 (en) * 2002-10-16 2005-03-29 Qualcomm, Incorporated Rate adaptive transmission scheme for MIMO systems
EP1603255B1 (de) 2003-03-12 2018-06-20 NEC Corporation Sendestrahlsteuerverfahren, adaptive antennensender-/empfängervorrichtung und funkbasisstation
JP4280657B2 (ja) * 2004-03-01 2009-06-17 富士通株式会社 アレーアンテナのビーム形成方法及びその装置
US20060277088A1 (en) * 2005-05-12 2006-12-07 Vic Cinc Method of determining a target event of a re-occurring event
US7304608B2 (en) * 2005-08-29 2007-12-04 Accton Technology Corporation Wireless network apparatus and adaptive digital beamforming method thereof
JP4138825B2 (ja) * 2006-07-26 2008-08-27 株式会社東芝 ウェイト算出方法、ウェイト算出装置、アダプティブアレーアンテナ、及びレーダ装置
US9479243B2 (en) * 2010-09-21 2016-10-25 Donald C. D. Chang Re-configurable array from distributed apertures on portable devices
JP2013242151A (ja) * 2012-05-17 2013-12-05 Mitsubishi Electric Corp Ｄｂｆ信号処理装置およびその処理方法
JP6231310B2 (ja) * 2012-11-16 2017-11-15 株式会社東海理化電機製作所 タイヤ位置判定装置
US9379439B2 (en) * 2014-02-14 2016-06-28 The Boeing Company Adaptive interference suppression via subband power measurements of a phased-array antenna
KR102455635B1 (ko) * 2018-05-25 2022-10-17 삼성전자주식회사 오브젝트 방향 결정 방법 및 장치

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720712A (en) 1985-08-12 1988-01-19 Raytheon Company Adaptive beam forming apparatus
US5818517A (en) * 1993-11-12 1998-10-06 Northern Telecom Limited Broadband interference reduction
JP3438527B2 (ja) * 1997-04-14 2003-08-18 Ｋｄｄｉ株式会社 信号波到来角度推定装置及びアレーアンテナ制御装置
JP3107781B2 (ja) * 1997-11-19 2000-11-13 株式会社エイ・ティ・アール環境適応通信研究所 アレーアンテナの制御方法及び制御装置
US6154661A (en) * 1997-12-10 2000-11-28 Arraycomm, Inc. Transmitting on the downlink using one or more weight vectors determined to achieve a desired radiation pattern
US5926135A (en) * 1998-01-08 1999-07-20 Lucent Technologies Steerable nulling of wideband interference signals
JP2000138520A (ja) 1998-11-04 2000-05-16 Nec Corp アンテナ装置
US6075484A (en) * 1999-05-03 2000-06-13 Motorola, Inc. Method and apparatus for robust estimation of directions of arrival for antenna arrays
KR20010099884A (ko) * 1999-10-22 2001-11-09 다니구찌 이찌로오, 기타오카 다카시 적응 어레이 안테나 장치 및 기지국용 적응 어레이 안테나장치
JP3562420B2 (ja) * 2000-02-10 2004-09-08 日本電気株式会社 適応アンテナ装置
KR100372900B1 (ko) * 2000-06-12 2003-02-19 (주)네스랩 스마트 안테나 시스템의 송수신 장치
US6486828B1 (en) * 2000-07-26 2002-11-26 Western Multiplex Adaptive array antenna nulling

Also Published As

Publication number Publication date
KR100477619B1 (ko) 2005-03-23
DE60204617T2 (de) 2006-05-11
KR20020079528A (ko) 2002-10-19
EP1249891B1 (de) 2005-06-15
US20020191246A1 (en) 2002-12-19
JP3767799B2 (ja) 2006-04-19
EP1249891A3 (de) 2003-06-04
US6633265B2 (en) 2003-10-14
JP2002314320A (ja) 2002-10-25
CN1380722A (zh) 2002-11-20
CN1217447C (zh) 2005-08-31
EP1249891A2 (de) 2002-10-16

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