IL133599A - מערכת דיגיטלית להנחתת הפרעות, לביטול הפרעות רדיו - Google Patents

מערכת דיגיטלית להנחתת הפרעות, לביטול הפרעות רדיו

Info

Publication number
IL133599A
IL133599A IL13359998A IL13359998A IL133599A IL 133599 A IL133599 A IL 133599A IL 13359998 A IL13359998 A IL 13359998A IL 13359998 A IL13359998 A IL 13359998A IL 133599 A IL133599 A IL 133599A
Authority
IL
Israel
Prior art keywords
digital
interference
signals
signal
polarimeter
Prior art date
Application number
IL13359998A
Other languages
English (en)
Other versions
IL133599A0 (en
Original Assignee
Electro Radiation 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 Electro Radiation Inc filed Critical Electro Radiation Inc
Publication of IL133599A0 publication Critical patent/IL133599A0/xx
Publication of IL133599A publication Critical patent/IL133599A/he

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/90—Jamming or countermeasure characterized by its function related to allowing or preventing navigation or positioning, e.g. GPS
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/045—Receivers
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H04K3/228—Elimination in the received signal of jamming or of data corrupted by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/32—Jamming or countermeasure characterized by the infrastructure components including a particular configuration of antennas

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Noise Elimination (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
IL13359998A 1997-06-26 1998-06-23 מערכת דיגיטלית להנחתת הפרעות, לביטול הפרעות רדיו IL133599A (he)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/883,077 US5872540A (en) 1997-06-26 1997-06-26 Digital interference suppression system for radio frequency interference cancellation
PCT/US1998/012992 WO1999000872A1 (en) 1997-06-26 1998-06-23 Digital interference suppression system for radio frequency interference cancellation

Publications (2)

Publication Number Publication Date
IL133599A0 IL133599A0 (en) 2001-04-30
IL133599A true IL133599A (he) 2004-07-25

Family

ID=25381928

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13359998A IL133599A (he) 1997-06-26 1998-06-23 מערכת דיגיטלית להנחתת הפרעות, לביטול הפרעות רדיו

Country Status (7)

Country Link
US (1) US5872540A (he)
AU (1) AU8160398A (he)
CA (1) CA2288929C (he)
DE (1) DE19882633B4 (he)
GB (1) GB2341493B (he)
IL (1) IL133599A (he)
WO (1) WO1999000872A1 (he)

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CA2288929A1 (en) 1999-01-07
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WO1999000872A1 (en) 1999-01-07
US5872540A (en) 1999-02-16
AU8160398A (en) 1999-01-19
DE19882633T1 (de) 2001-03-08

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