CA2330788A1 - Patch antenna with an electrically small ground plate using peripheral parasitic stubs - Google Patents

Patch antenna with an electrically small ground plate using peripheral parasitic stubs Download PDF

Info

Publication number
CA2330788A1
CA2330788A1 CA002330788A CA2330788A CA2330788A1 CA 2330788 A1 CA2330788 A1 CA 2330788A1 CA 002330788 A CA002330788 A CA 002330788A CA 2330788 A CA2330788 A CA 2330788A CA 2330788 A1 CA2330788 A1 CA 2330788A1
Authority
CA
Canada
Prior art keywords
patch antenna
ground plate
electrically small
small ground
peripheral parasitic
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.)
Granted
Application number
CA002330788A
Other languages
French (fr)
Other versions
CA2330788C (en
Inventor
Allen Lee Van Hoozen
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.)
Northrop Grumman Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2330788A1 publication Critical patent/CA2330788A1/en
Application granted granted Critical
Publication of CA2330788C publication Critical patent/CA2330788C/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
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0428—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave
    • H01Q9/0435—Substantially flat resonant element parallel to ground plane, e.g. patch antenna radiating a circular polarised wave using two feed points
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0478—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with means for suppressing spurious modes, e.g. cross polarisation

Abstract

In accordance with the present invention, there is provided a patch antenna assembly (10) having a generally planar patch antenna (12), defined by a first peripheral boundary (14), and a generally planar parasitic ground plate (16), disposed at a spaced parallel relation to the patch antenna (12).
The assembly (10) further includes at least one conductive parasitic shielding element (18) for segregating electromagnetic fields between the patch antenna (12) and the ground plate (16). The shielding element (18) is disposed in electrical communication with the ground plate (16) and extends from the ground plate (16) and substantially about the first peripheral boundary (14) of the patch antenna (12).
CA002330788A 1998-05-08 1999-03-30 Patch antenna with an electrically small ground plate using peripheral parasitic stubs Expired - Fee Related CA2330788C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/075,091 US6181279B1 (en) 1998-05-08 1998-05-08 Patch antenna with an electrically small ground plate using peripheral parasitic stubs
US09/075,091 1998-05-08
PCT/US1999/006907 WO1999059221A1 (en) 1998-05-08 1999-03-30 Patch antenna with an electrically small ground plate using peripheral parasitic stubs

Publications (2)

Publication Number Publication Date
CA2330788A1 true CA2330788A1 (en) 1999-11-18
CA2330788C CA2330788C (en) 2009-09-15

Family

ID=22123482

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002330788A Expired - Fee Related CA2330788C (en) 1998-05-08 1999-03-30 Patch antenna with an electrically small ground plate using peripheral parasitic stubs

Country Status (6)

Country Link
US (1) US6181279B1 (en)
EP (1) EP1093677A4 (en)
JP (1) JP2002515661A (en)
AU (1) AU749496B2 (en)
CA (1) CA2330788C (en)
WO (1) WO1999059221A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111834735A (en) * 2020-07-28 2020-10-27 武汉虹信科技发展有限责任公司 Array antenna and base station equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111834735A (en) * 2020-07-28 2020-10-27 武汉虹信科技发展有限责任公司 Array antenna and base station equipment

Also Published As

Publication number Publication date
AU749496B2 (en) 2002-06-27
EP1093677A4 (en) 2002-11-13
AU5202199A (en) 1999-11-29
EP1093677A2 (en) 2001-04-25
US6181279B1 (en) 2001-01-30
JP2002515661A (en) 2002-05-28
CA2330788C (en) 2009-09-15
WO1999059221B1 (en) 1999-12-29
WO1999059221A1 (en) 1999-11-18

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