EP2274780A4 - Receiver interference protection and direction finding antenna system - Google Patents

Receiver interference protection and direction finding antenna system

Info

Publication number
EP2274780A4
EP2274780A4 EP08873589A EP08873589A EP2274780A4 EP 2274780 A4 EP2274780 A4 EP 2274780A4 EP 08873589 A EP08873589 A EP 08873589A EP 08873589 A EP08873589 A EP 08873589A EP 2274780 A4 EP2274780 A4 EP 2274780A4
Authority
EP
European Patent Office
Prior art keywords
antenna system
direction finding
interference protection
finding antenna
receiver interference
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Withdrawn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
EP08873589A
Other languages
German (de)
French (fr)
Other versions
EP2274780A1 (en
Inventor
Stanley F Williams
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.)
Microwave Mitigation and Detection MMAD
Original Assignee
Microwave Mitigation and Detection MMAD
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 Microwave Mitigation and Detection MMAD filed Critical Microwave Mitigation and Detection MMAD
Publication of EP2274780A1 publication Critical patent/EP2274780A1/en
Publication of EP2274780A4 publication Critical patent/EP2274780A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
    • H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
EP08873589A 2008-03-27 2008-10-29 Receiver interference protection and direction finding antenna system Withdrawn EP2274780A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6481208P 2008-03-27 2008-03-27
PCT/US2008/081615 WO2009120237A1 (en) 2008-03-27 2008-10-29 Receiver interference protection and direction finding antenna system

Publications (2)

Publication Number Publication Date
EP2274780A1 EP2274780A1 (en) 2011-01-19
EP2274780A4 true EP2274780A4 (en) 2012-10-24

Family

ID=41114232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08873589A Withdrawn EP2274780A4 (en) 2008-03-27 2008-10-29 Receiver interference protection and direction finding antenna system

Country Status (2)

Country Link
EP (1) EP2274780A4 (en)
WO (1) WO2009120237A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017111987A1 (en) * 2017-05-31 2018-12-06 Mbda Deutschland Gmbh Device for reducing interference in antennas
US11956027B2 (en) 2020-08-28 2024-04-09 Isco International, Llc Method and system for mitigating interference by displacing antenna structures
US11476574B1 (en) 2022-03-31 2022-10-18 Isco International, Llc Method and system for driving polarization shifting to mitigate interference
US11476585B1 (en) 2022-03-31 2022-10-18 Isco International, Llc Polarization shifting devices and systems for interference mitigation
US11502404B1 (en) 2022-03-31 2022-11-15 Isco International, Llc Method and system for detecting interference and controlling polarization shifting to mitigate the interference
US11509072B1 (en) 2022-05-26 2022-11-22 Isco International, Llc Radio frequency (RF) polarization rotation devices and systems for interference mitigation
US11509071B1 (en) 2022-05-26 2022-11-22 Isco International, Llc Multi-band polarization rotation for interference mitigation
US11515652B1 (en) 2022-05-26 2022-11-29 Isco International, Llc Dual shifter devices and systems for polarization rotation to mitigate interference
US11949489B1 (en) 2022-10-17 2024-04-02 Isco International, Llc Method and system for improving multiple-input-multiple-output (MIMO) beam isolation via alternating polarization
US11985692B2 (en) 2022-10-17 2024-05-14 Isco International, Llc Method and system for antenna integrated radio (AIR) downlink and uplink beam polarization adaptation
US11956058B1 (en) 2022-10-17 2024-04-09 Isco International, Llc Method and system for mobile device signal to interference plus noise ratio (SINR) improvement via polarization adjusting/optimization
US11990976B2 (en) 2022-10-17 2024-05-21 Isco International, Llc Method and system for polarization adaptation to reduce propagation loss for a multiple-input-multiple-output (MIMO) antenna

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473421A (en) * 1945-05-30 1949-06-14 Fubini Eugene Search antenna array
US3383694A (en) * 1965-02-15 1968-05-14 Carll F. Strohmeyer Jr. Rotatable directional antenna attachment for use with a vertical antenna rod
US20020008672A1 (en) * 1998-09-21 2002-01-24 Tantivy Communications, Inc. Adaptive antenna for use in wireless communication systems
US20030156061A1 (en) * 2001-11-07 2003-08-21 Takashi Ohira Method for controlling array antenna equipped with a plurality of antenna elements, method for calculating signal to noise ratio of received signal, and method for adaptively controlling radio receiver
JP2004101522A (en) * 2002-08-21 2004-04-02 Advanced Telecommunication Research Institute International Radio wave arrival direction detecting method and apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001057953A1 (en) * 2000-02-01 2001-08-09 Science Applications International Corporation Passive anti-jamming antenna system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473421A (en) * 1945-05-30 1949-06-14 Fubini Eugene Search antenna array
US3383694A (en) * 1965-02-15 1968-05-14 Carll F. Strohmeyer Jr. Rotatable directional antenna attachment for use with a vertical antenna rod
US20020008672A1 (en) * 1998-09-21 2002-01-24 Tantivy Communications, Inc. Adaptive antenna for use in wireless communication systems
US20030156061A1 (en) * 2001-11-07 2003-08-21 Takashi Ohira Method for controlling array antenna equipped with a plurality of antenna elements, method for calculating signal to noise ratio of received signal, and method for adaptively controlling radio receiver
JP2004101522A (en) * 2002-08-21 2004-04-02 Advanced Telecommunication Research Institute International Radio wave arrival direction detecting method and apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009120237A1 *

Also Published As

Publication number Publication date
EP2274780A1 (en) 2011-01-19
WO2009120237A1 (en) 2009-10-01

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