CA2247349C - Adaptive array antenna unit - Google Patents

Adaptive array antenna unit Download PDF

Info

Publication number
CA2247349C
CA2247349C CA 2247349 CA2247349A CA2247349C CA 2247349 C CA2247349 C CA 2247349C CA 2247349 CA2247349 CA 2247349 CA 2247349 A CA2247349 A CA 2247349A CA 2247349 C CA2247349 C CA 2247349C
Authority
CA
Canada
Prior art keywords
antenna
adaptive array
sector
array antenna
elements
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 - Fee Related
Application number
CA 2247349
Other languages
English (en)
French (fr)
Other versions
CA2247349A1 (en
Inventor
Taisuke Ihara
Ryo Yamaguchi
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.)
NTT Docomo Inc
Original Assignee
NTT Mobile Communications Networks 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 NTT Mobile Communications Networks Inc filed Critical NTT Mobile Communications Networks Inc
Publication of CA2247349A1 publication Critical patent/CA2247349A1/en
Application granted granted Critical
Publication of CA2247349C publication Critical patent/CA2247349C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • 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
    • 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
    • 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Mobile Radio Communication Systems (AREA)
CA 2247349 1997-06-02 1998-06-01 Adaptive array antenna unit Expired - Fee Related CA2247349C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPS.N.9/144221 1997-06-02
JP14422197A JP3332329B2 (ja) 1997-06-02 1997-06-02 アダプティブアレーアンテナ装置
PCT/JP1998/002408 WO1998056069A1 (fr) 1997-06-02 1998-06-01 Antenne reseau adaptable

Publications (2)

Publication Number Publication Date
CA2247349A1 CA2247349A1 (en) 1998-12-10
CA2247349C true CA2247349C (en) 2002-04-09

Family

ID=15357069

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2247349 Expired - Fee Related CA2247349C (en) 1997-06-02 1998-06-01 Adaptive array antenna unit

Country Status (6)

Country Link
EP (1) EP0923155A4 (zh)
JP (1) JP3332329B2 (zh)
KR (1) KR100306466B1 (zh)
CN (1) CN1147025C (zh)
CA (1) CA2247349C (zh)
WO (1) WO1998056069A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100452536B1 (ko) * 2000-10-02 2004-10-12 가부시키가이샤 엔.티.티.도코모 이동통신기지국 장치
KR20020041699A (ko) * 2000-11-28 2002-06-03 이노영 셀룰라용 마이크로 스트립 패치 어레이 안테나
RU2233017C1 (ru) * 2002-12-02 2004-07-20 Общество с ограниченной ответственностью "Алгоритм" Антенное устройство с управляемой диаграммой направленности и планарная направленная антенна
CN100463376C (zh) * 2002-12-20 2009-02-18 中兴通讯股份有限公司 全自适应智能天线接收装置
JP4241440B2 (ja) * 2004-03-03 2009-03-18 株式会社日立製作所 パケットスケジュール方法及び無線通信装置
CN104716979B (zh) * 2013-12-12 2017-11-21 启碁科技股份有限公司 无线电子装置及无线传输方法
US10651568B2 (en) * 2016-07-19 2020-05-12 Quintel Cayman Limited Base station antenna system with enhanced array spacing
KR102652348B1 (ko) * 2017-01-06 2024-03-27 스카이워크스 솔루션즈, 인코포레이티드 고조파의 빔형성

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273144A (en) * 1963-04-02 1966-09-13 Fishbein William Narrow beam antenna system
US3903524A (en) * 1973-05-25 1975-09-02 Hazeltine Corp Antenna system using variable phase pattern synthesis
US5548813A (en) * 1994-03-24 1996-08-20 Ericsson Inc. Phased array cellular base station and associated methods for enhanced power efficiency
JP3540374B2 (ja) * 1994-07-20 2004-07-07 Ｋｄｄｉ株式会社 移動通信系の基地局用アンテナ装置
US6006069A (en) * 1994-11-28 1999-12-21 Bosch Telecom Gmbh Point-to-multipoint communications system
JPH0927714A (ja) * 1995-07-11 1997-01-28 N T T Ido Tsushinmo Kk マルチビームアンテナ装置
JPH10174160A (ja) * 1996-12-13 1998-06-26 N T T Ido Tsushinmo Kk アレーアンテナ

Also Published As

Publication number Publication date
CN1217827A (zh) 1999-05-26
KR20000064538A (ko) 2000-11-06
KR100306466B1 (ko) 2001-11-02
EP0923155A1 (en) 1999-06-16
CA2247349A1 (en) 1998-12-10
WO1998056069A1 (fr) 1998-12-10
CN1147025C (zh) 2004-04-21
EP0923155A4 (en) 2000-03-22
JP3332329B2 (ja) 2002-10-07
JPH10335918A (ja) 1998-12-18

Similar Documents

Publication Publication Date Title
KR100767249B1 (ko) 무선 애플리케이션용 고이득 안테나
CA2511684C (en) Null-fill antenna, omni antenna, and radio communication equipment
US6188373B1 (en) System and method for per beam elevation scanning
US20060068848A1 (en) System and method for load distribution between base station sectors
EP0660630A2 (en) Mobile radio communication system having radio zones of sector configurations and antenna selecting method employed therein
EP1337122A1 (en) Arranging directional elements of a sectorized antenna to implement an adaptive antenna array
Huang et al. Increasing throughput in cellular networks with higher-order sectorization
US20120115548A1 (en) Mobile communication base station antenna and mobile communication base station antenna system
US6512934B2 (en) Adaptive array antenna
Lindmark et al. Dual-polarized array for signal-processing applications in wireless communications
CA2247349C (en) Adaptive array antenna unit
US11588249B2 (en) Sidelobe suppression in multi-beam base station antennas
Beckman et al. The evolution of base station antennas for mobile communications
Kijima et al. Development of a dual-frequency base station antenna for cellular mobile radios
Wilson Electrical downtilt through beam-steering versus mechanical downtilt (base station antennas)
US20240275075A1 (en) Advanced antenna systems with reduced sidelobes
EP1444752B1 (en) A cellular radio adaptive antenna array
JP3559218B2 (ja) 移動通信用基地局アンテナ
JP4105083B2 (ja) アンテナ装置
Lee An optimum solution of the switching beam antenna system
JP2981087B2 (ja) ビームアンテナ
Zimmerman et al. Advances in 8T8R Antenna Design
JP3832083B2 (ja) 基地局アンテナ装置
CN115411502A (zh) 一种天线组件、天线组件阵列和基站
Al Ka’bi Steered Beam Adaptive Antenna Arrays

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150601