AU2001225930A1 - Planar antenna with switched beam diversity for interference reduction in a mobile environment - Google Patents

Planar antenna with switched beam diversity for interference reduction in a mobile environment

Info

Publication number
AU2001225930A1
AU2001225930A1 AU2001225930A AU2593001A AU2001225930A1 AU 2001225930 A1 AU2001225930 A1 AU 2001225930A1 AU 2001225930 A AU2001225930 A AU 2001225930A AU 2593001 A AU2593001 A AU 2593001A AU 2001225930 A1 AU2001225930 A1 AU 2001225930A1
Authority
AU
Australia
Prior art keywords
antenna
planar antenna
mobile environment
interference reduction
switched beam
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
AU2001225930A
Inventor
Hui-Pin Hsu
Daniel Sievenpiper
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.)
HRL Laboratories LLC
Original Assignee
HRL Laboratories LLC
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 HRL Laboratories LLC filed Critical HRL Laboratories LLC
Publication of AU2001225930A1 publication Critical patent/AU2001225930A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • 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
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
    • H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/08—Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
    • H01Q13/085—Slot-line radiating ends
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
    • H01Q15/008—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces said selective devices having Sievenpipers' mushroom elements
    • 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
    • H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/242—Circumferential scanning

Abstract

A directive antenna and method of directing a radio frequency wave received by and/or transmitted from the antenna. The antenna preferably includes a high impedance surface with a plurality of antenna elements disposed on said surface, a plurality of associated demodulators and power sensors and a switch. A Vivaldi Cloverleaf antenna is disclosed.
AU2001225930A 2000-03-15 2000-12-22 Planar antenna with switched beam diversity for interference reduction in a mobile environment Abandoned AU2001225930A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/525,831 US6366254B1 (en) 2000-03-15 2000-03-15 Planar antenna with switched beam diversity for interference reduction in a mobile environment
US09525831 2000-03-15
PCT/US2000/035030 WO2001069724A1 (en) 2000-03-15 2000-12-22 Planar antenna with switched beam diversity for interference reduction in a mobile environment

Publications (1)

Publication Number Publication Date
AU2001225930A1 true AU2001225930A1 (en) 2001-09-24

Family

ID=24094772

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001225930A Abandoned AU2001225930A1 (en) 2000-03-15 2000-12-22 Planar antenna with switched beam diversity for interference reduction in a mobile environment

Country Status (7)

Country Link
US (1) US6366254B1 (en)
EP (2) EP1287588B1 (en)
JP (1) JP2003527018A (en)
AT (1) ATE422102T1 (en)
AU (1) AU2001225930A1 (en)
DE (1) DE60041506D1 (en)
WO (1) WO2001069724A1 (en)

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Also Published As

Publication number Publication date
WO2001069724A1 (en) 2001-09-20
ATE422102T1 (en) 2009-02-15
EP1287588B1 (en) 2009-01-28
JP2003527018A (en) 2003-09-09
EP1909358A1 (en) 2008-04-09
DE60041506D1 (en) 2009-03-19
EP1287588A1 (en) 2003-03-05
US6366254B1 (en) 2002-04-02

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