IN189921B - - Google Patents

Info

Publication number
IN189921B
IN189921B IN429MA1995A IN189921B IN 189921 B IN189921 B IN 189921B IN 429MA1995 A IN429MA1995 A IN 429MA1995A IN 189921 B IN189921 B IN 189921B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Samuel Munoz-Garcia
Shinichi Nomoto
Peter Poskett
Dennis Mullins
Ben Hutchison
Patrick Chomet
Original Assignee
Inmarsat Ltd
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 Inmarsat Ltd filed Critical Inmarsat Ltd
Publication of IN189921B publication Critical patent/IN189921B/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/288—Satellite antennas
    • 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
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • 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
    • H01Q3/30—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
    • H01Q3/40—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 with phasing matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Radio Relay Systems (AREA)
IN429MA1995 1994-04-18 1995-04-07 IN189921B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9407669A GB2288913B (en) 1994-04-18 1994-04-18 Satellite payload apparatus with beamformer

Publications (1)

Publication Number Publication Date
IN189921B true IN189921B (zh) 2003-05-10

Family

ID=10753720

Family Applications (1)

Application Number Title Priority Date Filing Date
IN429MA1995 IN189921B (zh) 1994-04-18 1995-04-07

Country Status (11)

Country Link
US (1) US6340948B1 (zh)
EP (2) EP0756762B1 (zh)
JP (2) JP3373524B2 (zh)
CN (3) CN1081395C (zh)
AU (1) AU2080895A (zh)
DE (1) DE69514650T2 (zh)
GB (2) GB2324912B (zh)
IN (1) IN189921B (zh)
RU (1) RU2162260C2 (zh)
WO (1) WO1995028747A2 (zh)
ZA (1) ZA952935B (zh)

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CN110212312B (zh) * 2018-02-28 2021-02-23 华为技术有限公司 一种天线装置及相关设备
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Also Published As

Publication number Publication date
GB2288913A (en) 1995-11-01
CN1392634A (zh) 2003-01-22
CN1081395C (zh) 2002-03-20
JP3373524B2 (ja) 2003-02-04
US6340948B1 (en) 2002-01-22
JPH10503623A (ja) 1998-03-31
CN1148907A (zh) 1997-04-30
EP0756762B1 (en) 2000-01-19
EP0756762A1 (en) 1997-02-05
ZA952935B (en) 1995-12-21
EP0982803A2 (en) 2000-03-01
DE69514650D1 (de) 2000-02-24
DE69514650T2 (de) 2000-07-13
GB2324912B (en) 1999-02-24
GB9815693D0 (en) 1998-09-16
JP2003158417A (ja) 2003-05-30
RU2162260C2 (ru) 2001-01-20
GB2288913B (en) 1999-02-24
GB9407669D0 (en) 1994-06-08
CN1392681A (zh) 2003-01-22
GB2324912A (en) 1998-11-04
WO1995028747A3 (en) 1995-11-23
WO1995028747A2 (en) 1995-10-26
AU2080895A (en) 1995-11-10
EP0982803A3 (en) 2001-10-04

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