EP0923155A4 - ADAPTABLE NETWORK ANTENNA - Google Patents

ADAPTABLE NETWORK ANTENNA

Info

Publication number
EP0923155A4
EP0923155A4 EP98923064A EP98923064A EP0923155A4 EP 0923155 A4 EP0923155 A4 EP 0923155A4 EP 98923064 A EP98923064 A EP 98923064A EP 98923064 A EP98923064 A EP 98923064A EP 0923155 A4 EP0923155 A4 EP 0923155A4
Authority
EP
European Patent Office
Prior art keywords
network antenna
adaptable network
adaptable
antenna
network
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.)
Withdrawn
Application number
EP98923064A
Other languages
German (de)
French (fr)
Other versions
EP0923155A1 (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
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Publication of EP0923155A1 publication Critical patent/EP0923155A1/en
Publication of EP0923155A4 publication Critical patent/EP0923155A4/en
Withdrawn legal-status Critical Current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)
EP98923064A 1997-06-02 1998-06-01 ADAPTABLE NETWORK ANTENNA Withdrawn EP0923155A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14422197A JP3332329B2 (en) 1997-06-02 1997-06-02 Adaptive array antenna device
JP14422197 1997-06-02
PCT/JP1998/002408 WO1998056069A1 (en) 1997-06-02 1998-06-01 Adaptive array antenna

Publications (2)

Publication Number Publication Date
EP0923155A1 EP0923155A1 (en) 1999-06-16
EP0923155A4 true EP0923155A4 (en) 2000-03-22

Family

ID=15357069

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98923064A Withdrawn EP0923155A4 (en) 1997-06-02 1998-06-01 ADAPTABLE NETWORK ANTENNA

Country Status (6)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100452536B1 (en) * 2000-10-02 2004-10-12 가부시키가이샤 엔.티.티.도코모 Mobile communication base station equipment
KR20020041699A (en) * 2000-11-28 2002-06-03 이노영 CELLULAR Microstrip patch array antenna
RU2233017C1 (en) * 2002-12-02 2004-07-20 Общество с ограниченной ответственностью "Алгоритм" Controlled-pattern antenna assembly and planar directive antenna
CN100463376C (en) * 2002-12-20 2009-02-18 中兴通讯股份有限公司 Fully Adaptive Smart Antenna Receiver
JP4241440B2 (en) * 2004-03-03 2009-03-18 株式会社日立製作所 Packet scheduling method and wireless communication apparatus
CN104716979B (en) * 2013-12-12 2017-11-21 启碁科技股份有限公司 Wireless electronic device and wireless transmission method
US10651568B2 (en) * 2016-07-19 2020-05-12 Quintel Cayman Limited Base station antenna system with enhanced array spacing
GB2573896A (en) * 2017-01-06 2019-11-20 Skyworks Solutions Inc Beamforming of harmonics

Citations (4)

* 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
EP0715478A2 (en) * 1994-11-28 1996-06-05 Texas Instruments Inc. Low power, short range point-to-multipoint communications system
US5548813A (en) * 1994-03-24 1996-08-20 Ericsson Inc. Phased array cellular base station and associated methods for enhanced power efficiency

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3540374B2 (en) * 1994-07-20 2004-07-07 Ｋｄｄｉ株式会社 Base station antenna device for mobile communication system
JPH0927714A (en) * 1995-07-11 1997-01-28 N T T Ido Tsushinmo Kk Multi-beam antenna device
JPH10174160A (en) * 1996-12-13 1998-06-26 N T T Ido Tsushinmo Kk Array antenna

Patent Citations (4)

* 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
EP0715478A2 (en) * 1994-11-28 1996-06-05 Texas Instruments Inc. Low power, short range point-to-multipoint communications system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9856069A1 *

Also Published As

Publication number Publication date
CA2247349A1 (en) 1998-12-10
CA2247349C (en) 2002-04-09
CN1147025C (en) 2004-04-21
EP0923155A1 (en) 1999-06-16
JP3332329B2 (en) 2002-10-07
KR100306466B1 (en) 2001-11-02
JPH10335918A (en) 1998-12-18
KR20000064538A (en) 2000-11-06
WO1998056069A1 (en) 1998-12-10
CN1217827A (en) 1999-05-26

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Legal Events

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