IL133599A - Digital interference reduction system, radio interference cancellation - Google Patents

Digital interference reduction system, radio interference cancellation

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)
Hebrew (he)
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/en

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 Digital interference reduction system, radio interference cancellation IL133599A (en)

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 (en) 2004-07-25

Family

ID=25381928

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13359998A IL133599A (en) 1997-06-26 1998-06-23 Digital interference reduction system, radio interference cancellation

Country Status (7)

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

Families Citing this family (170)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100204599B1 (ko) * 1996-12-21 1999-06-15 정선종 적응형 직병렬 혼합 잡음 제거 방법
US6101228A (en) * 1997-05-22 2000-08-08 Conexant Systems, Inc. Receiver of wideband digital signal in the presence of a narrow band interfering signal
US6531982B1 (en) 1997-09-30 2003-03-11 Sirf Technology, Inc. Field unit for use in a GPS system
US6337885B1 (en) * 1998-02-13 2002-01-08 Telefonaktiebolaget Lm Ericsson (Publ) Radio receiver that digitizes a received signal at a plurality of digitization frequencies
US6327471B1 (en) 1998-02-19 2001-12-04 Conexant Systems, Inc. Method and an apparatus for positioning system assisted cellular radiotelephone handoff and dropoff
US6219376B1 (en) * 1998-02-21 2001-04-17 Topcon Positioning Systems, Inc. Apparatuses and methods of suppressing a narrow-band interference with a compensator and adjustment loops
US6348744B1 (en) 1998-04-14 2002-02-19 Conexant Systems, Inc. Integrated power management module
DE69838138T2 (de) * 1998-05-25 2008-04-10 Mitsubishi Denki K.K. Empfänger
US7711038B1 (en) 1998-09-01 2010-05-04 Sirf Technology, Inc. System and method for despreading in a spread spectrum matched filter
US7545854B1 (en) * 1998-09-01 2009-06-09 Sirf Technology, Inc. Doppler corrected spread spectrum matched filter
US6693953B2 (en) 1998-09-30 2004-02-17 Skyworks Solutions, Inc. Adaptive wireless communication receiver
KR100455275B1 (ko) * 1998-10-14 2004-12-17 삼성전자주식회사 햄라디오 간섭 잡음 제거 디지털 가입자선 시스템 및 그 방법
US6298050B1 (en) * 1998-11-25 2001-10-02 Nortel Networks Limited System and method for cancelling the extra interference created during position location in a CDMA cellular system
US6606349B1 (en) 1999-02-04 2003-08-12 Sirf Technology, Inc. Spread spectrum receiver performance improvement
US6448925B1 (en) * 1999-02-04 2002-09-10 Conexant Systems, Inc. Jamming detection and blanking for GPS receivers
US6577271B1 (en) 1999-03-30 2003-06-10 Sirf Technology, Inc Signal detector employing coherent integration
US6304216B1 (en) * 1999-03-30 2001-10-16 Conexant Systems, Inc. Signal detector employing correlation analysis of non-uniform and disjoint sample segments
US6351486B1 (en) 1999-05-25 2002-02-26 Conexant Systems, Inc. Accelerated selection of a base station in a wireless communication system
US6535560B1 (en) * 1999-06-03 2003-03-18 Ditrans Corporation Coherent adaptive calibration system and method
US6823174B1 (en) * 1999-10-11 2004-11-23 Ditrans Ip, Inc. Digital modular adaptive antenna and method
US20050088338A1 (en) * 1999-10-11 2005-04-28 Masenten Wesley K. Digital modular adaptive antenna and method
JP3573039B2 (ja) * 1999-12-10 2004-10-06 株式会社日立製作所 無線端末位置測定方法およびそれを用いた端末装置、端末位置管理局装置
US6704349B1 (en) * 2000-01-18 2004-03-09 Ditrans Corporation Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth
US6985542B1 (en) * 2000-06-02 2006-01-10 Cellguide Ltd. Coherent processing of satellite signals to locate a mobile unit
US6952587B2 (en) * 2000-02-17 2005-10-04 Visteon Global Technologies, Inc. Antenna beam steering responsive to receiver and broadcast transmitter
US6775646B1 (en) * 2000-02-23 2004-08-10 Agilent Technologies, Inc. Excitation signal and radial basis function methods for use in extraction of nonlinear black-box behavioral models
US6714775B1 (en) 2000-02-24 2004-03-30 Veridian Engineering, Inc. Interference canceller
GB0005120D0 (en) * 2000-03-03 2000-04-26 Roke Manor Research Combining adaptive beamforming with multi-user detection
US20030206577A1 (en) * 2000-03-21 2003-11-06 Liberti Joseph Charles Combined adaptive spatio-temporal processing and multi-user detection for CDMA wireless systems
US6512803B2 (en) * 2000-04-05 2003-01-28 Symmetricom, Inc. Global positioning system receiver capable of functioning in the presence of interference
US6714158B1 (en) * 2000-04-18 2004-03-30 Sirf Technology, Inc. Method and system for data detection in a global positioning system satellite receiver
US6931055B1 (en) 2000-04-18 2005-08-16 Sirf Technology, Inc. Signal detector employing a doppler phase correction system
US6952440B1 (en) 2000-04-18 2005-10-04 Sirf Technology, Inc. Signal detector employing a Doppler phase correction system
US6788655B1 (en) 2000-04-18 2004-09-07 Sirf Technology, Inc. Personal communications device with ratio counter
US7885314B1 (en) 2000-05-02 2011-02-08 Kenneth Scott Walley Cancellation system and method for a wireless positioning system
US6778136B2 (en) 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
US6639541B1 (en) 2000-08-29 2003-10-28 The United States Of America As Represented By The Secretary Of The Navy Device and method for detecting, measuring, and reporting low-level interference at a receiver
FR2813728B1 (fr) * 2000-09-07 2003-03-07 Mitsubishi Electric Inf Tech Recepteur cdma adaptatif bi-modulaire
US7006553B1 (en) 2000-10-10 2006-02-28 Freescale Semiconductor, Inc. Analog signal separator for UWB versus narrowband signals
US6529568B1 (en) * 2000-10-13 2003-03-04 Time Domain Corporation Method and system for canceling interference in an impulse radio
US6914949B2 (en) * 2000-10-13 2005-07-05 Time Domain Corporation Method and system for reducing potential interference in an impulse radio
US20020086601A1 (en) * 2000-11-08 2002-07-04 Marvin Lewis Crochet-knitted mattress closing tape
US6856945B2 (en) 2000-12-04 2005-02-15 Tensorcomm, Inc. Method and apparatus for implementing projections in singal processing applications
US6711219B2 (en) 2000-12-04 2004-03-23 Tensorcomm, Incorporated Interference cancellation in a signal
US8374218B2 (en) * 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
US6480151B2 (en) * 2000-12-29 2002-11-12 Lockheed Martin Corporation GPS receiver interference nuller with no satellite signal distortion
US6600444B2 (en) 2001-02-23 2003-07-29 Lockheed Martin Corporation System and method for computing navigation information in the presence of interference
US20020126029A1 (en) * 2001-03-08 2002-09-12 Grale Trenton John Programmable test modulator for selectively generating test signals of delta-sigma order N
US7209528B2 (en) * 2001-06-01 2007-04-24 National Semiconductor, Inc. Over-sampling A/D converter with adjacent channel power detection
US6597316B2 (en) 2001-09-17 2003-07-22 The Mitre Corporation Spatial null steering microstrip antenna array
EP1430625A2 (de) * 2001-09-27 2004-06-23 Terapulse, Inc. Verfahren und vorrichtung zur kompensation höherer ordnung der übertragungsverzerrung in optischen übertragungsmedien
US8085889B1 (en) 2005-04-11 2011-12-27 Rambus Inc. Methods for managing alignment and latency in interference cancellation
US7158559B2 (en) * 2002-01-15 2007-01-02 Tensor Comm, Inc. Serial cancellation receiver design for a coded signal processing engine
US6856925B2 (en) * 2001-10-26 2005-02-15 Texas Instruments Incorporated Active removal of aliasing frequencies in a decimating structure by changing a decimation ratio in time and space
EP1540860A2 (de) 2001-11-16 2005-06-15 Tensorcomm Incorporated Konstruktion einer störungsmatrix für eine verarbeitungsmaschine für kodierte signale
US7260506B2 (en) * 2001-11-19 2007-08-21 Tensorcomm, Inc. Orthogonalization and directional filtering
WO2005081438A1 (en) * 2001-11-19 2005-09-01 Tensorcomm, Incorporated Interference cancellation in a signal
US20050101277A1 (en) * 2001-11-19 2005-05-12 Narayan Anand P. Gain control for interference cancellation
AU2002353028A1 (en) 2001-12-04 2003-06-17 Electro-Radiation, Inc. Method and apparatus for reducing electromagnetic interference and jamming in gp equipment operating in rolling environments
US7453921B1 (en) 2001-12-11 2008-11-18 Google Inc. LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
US6675095B1 (en) 2001-12-15 2004-01-06 Trimble Navigation, Ltd On-board apparatus for avoiding restricted air space in non-overriding mode
JP3906792B2 (ja) * 2002-01-22 2007-04-18 松下電器産業株式会社 高周波信号受信装置とその製造方法
US7003058B2 (en) * 2002-02-27 2006-02-21 The Boeing Company Polarization division duplexing with cross polarization interference canceller
WO2003079054A2 (en) * 2002-03-15 2003-09-25 Terapulse, Inc. Athermal delay line
US6703974B2 (en) * 2002-03-20 2004-03-09 The Boeing Company Antenna system having active polarization correlation and associated method
WO2003087741A1 (en) * 2002-04-10 2003-10-23 Terapulse, Inc. Optical signal-to-noise monitor having increased coherence
US7809087B2 (en) * 2002-04-26 2010-10-05 Qualcomm, Incorporated Power detection techniques and discrete gain state selection for wireless networking
US7324496B1 (en) 2002-05-01 2008-01-29 Nxp B.V. Highly integrated radio-frequency apparatus and associated methods
US6718166B2 (en) * 2002-05-17 2004-04-06 Illinois Superconductor Corporation, Inc. Multiple carrier adaptive notch filter
EP1512025B1 (de) * 2002-06-11 2007-03-28 Worcester Polytechnic Institute Rekonfigurierbares geolokationssystem
US20040031723A1 (en) * 2002-06-20 2004-02-19 L'oreal Adhesive applicator for fixing to the end of a finger
US20040208238A1 (en) * 2002-06-25 2004-10-21 Thomas John K. Systems and methods for location estimation in spread spectrum communication systems
US20040042569A1 (en) * 2002-09-03 2004-03-04 Electro-Radiation Incorporated Method and apparatus to provide communication protection technology for satellite earth stations
US7787572B2 (en) 2005-04-07 2010-08-31 Rambus Inc. Advanced signal processors for interference cancellation in baseband receivers
US7577186B2 (en) * 2002-09-20 2009-08-18 Tensorcomm, Inc Interference matrix construction
US20050180364A1 (en) * 2002-09-20 2005-08-18 Vijay Nagarajan Construction of projection operators for interference cancellation
US7876810B2 (en) 2005-04-07 2011-01-25 Rambus Inc. Soft weighted interference cancellation for CDMA systems
US7463609B2 (en) * 2005-07-29 2008-12-09 Tensorcomm, Inc Interference cancellation within wireless transceivers
US8761321B2 (en) * 2005-04-07 2014-06-24 Iii Holdings 1, Llc Optimal feedback weighting for soft-decision cancellers
US7808937B2 (en) * 2005-04-07 2010-10-05 Rambus, Inc. Variable interference cancellation technology for CDMA systems
JP4444832B2 (ja) 2002-09-23 2010-03-31 テンソルコム インコーポレイテッド スペクトル拡散システムにおける干渉除去を選択的に利用するための方法及び装置
US8005128B1 (en) 2003-09-23 2011-08-23 Rambus Inc. Methods for estimation and interference cancellation for signal processing
US20050123080A1 (en) * 2002-11-15 2005-06-09 Narayan Anand P. Systems and methods for serial cancellation
US8179946B2 (en) 2003-09-23 2012-05-15 Rambus Inc. Systems and methods for control of advanced receivers
KR20050087784A (ko) 2002-10-04 2005-08-31 시그네이브 피티와이 엘티디. 위성 기반 위치 지정 시스템
WO2004036811A2 (en) * 2002-10-15 2004-04-29 Tensorcomm Inc. Method and apparatus for interference suppression with efficient matrix inversion in a ds-cdma system
CN1723627A (zh) * 2002-10-15 2006-01-18 张量通讯公司 用于信道幅度估计和干扰矢量构造的方法和装置
AU2003290558A1 (en) * 2002-10-31 2004-06-07 Tensorcomm, Incorporated Systems and methods for reducing interference in cdma systems
WO2004073159A2 (en) * 2002-11-15 2004-08-26 Tensorcomm, Incorporated Systems and methods for parallel signal cancellation
US7352833B2 (en) * 2002-11-18 2008-04-01 Google Inc. Method and system for temporal autocorrelation filtering
US7532682B1 (en) 2002-11-27 2009-05-12 Schell Stephan V Quadrature modulation without carrier
US6710739B1 (en) 2003-01-03 2004-03-23 Northrop Grumman Corporation Dual redundant GPS anti-jam air vehicle navigation system architecture and method
US6889175B2 (en) * 2003-01-13 2005-05-03 Trimble Navigation Limited Tunable filter device for spatial positioning systems
US6944422B2 (en) * 2003-04-18 2005-09-13 Motorola, Inc. Method and device for detecting an interference condition
US7221312B2 (en) 2003-06-18 2007-05-22 General Dynamics C4 Systems, Inc. Method and system for detecting interference for global positioning systems
US6825804B1 (en) * 2003-07-09 2004-11-30 Rockwell Collins, Inc. Interference-aided navigation with cyclic jammer cancellation
US7702049B2 (en) * 2003-09-30 2010-04-20 Intel Corporation Signal conversion apparatus, systems, and methods
US6882310B1 (en) * 2003-10-15 2005-04-19 Raytheon Company Direct sampling GPS receiver for anti-interference operations
US6961017B1 (en) 2003-12-16 2005-11-01 Lockheed Martin Corporation Apparatus for providing anti-jamming capability to legacy GPS receivers
US7477710B2 (en) * 2004-01-23 2009-01-13 Tensorcomm, Inc Systems and methods for analog to digital conversion with a signal cancellation system of a receiver
US20050169354A1 (en) * 2004-01-23 2005-08-04 Olson Eric S. Systems and methods for searching interference canceled data
GB0402407D0 (en) * 2004-02-04 2004-03-10 Koninkl Philips Electronics Nv A method of, and receiver for, cancelling interfering signals
US20050209762A1 (en) * 2004-03-18 2005-09-22 Ford Global Technologies, Llc Method and apparatus for controlling a vehicle using an object detection system and brake-steer
US8478921B2 (en) * 2004-03-31 2013-07-02 Silicon Laboratories, Inc. Communication apparatus implementing time domain isolation with restricted bus access
US7660374B2 (en) * 2004-05-21 2010-02-09 Honeywell International Inc. Method and apparatus for excision of narrowband interference signals in navigation or communication bands
US8884791B2 (en) * 2004-06-29 2014-11-11 St-Ericsson Sa Keypad scanning with radio event isolation
US7340218B2 (en) * 2004-06-30 2008-03-04 Agilent Technologies, Inc. Pulsed signal device characterization employing adaptive nulling and IF gating
US7248848B2 (en) * 2004-06-30 2007-07-24 Matthews Phillip M Communication apparatus including dual timer units
US7526249B2 (en) * 2004-07-13 2009-04-28 Mediaur Technologies, Inc. Satellite ground station to receive signals with different polarization modes
US7761056B2 (en) * 2004-07-23 2010-07-20 St-Ericsson Sa Method of controlling a processor for radio isolation using a timer
US8472990B2 (en) * 2004-07-23 2013-06-25 St Ericsson Sa Apparatus using interrupts for controlling a processor for radio isolation and associated method
US20050008095A1 (en) * 2004-07-23 2005-01-13 Rush Frederick A. Apparatus using interrupts for controlling a processor for radio isolation and associated methods
US7433393B2 (en) 2004-07-23 2008-10-07 Nxp B.V. Apparatus for controlling a digital signal processor for radio isolation and associated methods
US7412015B2 (en) * 2004-08-18 2008-08-12 The Boeing Company Digital signal processing remediation of cosite antenna interference
US7177613B2 (en) * 2004-09-30 2007-02-13 Texas Instruments Incorporated Reducing noise and distortion in a receiver system
US7567637B2 (en) 2004-09-30 2009-07-28 St-Ericsson Sa Wireless communication system and method with frequency burst acquisition feature using autocorrelation and narrowband interference detection
US7593482B2 (en) * 2004-09-30 2009-09-22 St-Ericsson Sa Wireless communication system with hardware-based frequency burst detection
US20060125689A1 (en) * 2004-12-10 2006-06-15 Narayan Anand P Interference cancellation in a receive diversity system
US7403153B2 (en) * 2004-12-15 2008-07-22 Valeo Raytheon Systems, Inc. System and method for reducing a radar interference signal
US7683827B2 (en) * 2004-12-15 2010-03-23 Valeo Radar Systems, Inc. System and method for reducing the effect of a radar interference signal
US8019382B2 (en) * 2004-12-29 2011-09-13 St-Ericsson Sa Communication apparatus having a standard serial communication interface compatible with radio isolation
US7778674B2 (en) * 2004-12-29 2010-08-17 St-Ericsson Sa Communication apparatus having a SIM interface compatible with radio isolation
US7805170B2 (en) * 2005-03-30 2010-09-28 St-Ericsson Sa System and method for efficient power supply regulation compatible with radio frequency operation
US7209061B2 (en) 2005-03-30 2007-04-24 Silicon Laboratories, Inc. Method and system for sampling a signal
US7826516B2 (en) 2005-11-15 2010-11-02 Rambus Inc. Iterative interference canceller for wireless multiple-access systems with multiple receive antennas
US20060229051A1 (en) * 2005-04-07 2006-10-12 Narayan Anand P Interference selection and cancellation for CDMA communications
US7202812B2 (en) * 2005-06-03 2007-04-10 Raytheon Company Technique for compensation of transmit leakage in radar receiver
US7801207B2 (en) * 2005-06-24 2010-09-21 St-Ericsson Sa Signal processing task scheduling in a communication apparatus
US7283503B1 (en) 2005-06-24 2007-10-16 Silicon Laboratories, Inc. Communication apparatus including a buffer circuit having first and second portions for alternately storing results
US7414560B2 (en) * 2005-06-29 2008-08-19 Shaojie Chen Wireless communication system including an audio underflow protection mechanism operative with time domain isolation
US20070047678A1 (en) * 2005-08-30 2007-03-01 Motorola, Inc. Method and system for combined polarimetric and coherent processing for a wireless system
US20070082638A1 (en) * 2005-09-03 2007-04-12 Oleg Panfilov Adaptive Narrowband Interference Canceller for Broadband Systems
FR2895200B1 (fr) * 2005-12-20 2008-02-22 Silicon Lab Inc Procede d'acquisition d'un burst de correction de frequence par un dispositif de radiocommunication, et dispositif de radiocommunication correspondant.
GB2435357A (en) * 2006-02-15 2007-08-22 Univ Westminster Satellite radio navigation receivers
JP2009536347A (ja) * 2006-05-08 2009-10-08 エヌエックスピー ビー ヴィ Ｇｐｓ用ｒｆフロントエンド、測位方法、及びこの方法用の記憶媒体及び装置
DE102006040102A1 (de) * 2006-08-28 2008-03-06 Rheinmetall Waffe Munition Gmbh Verfahren und Vorrichtung zur selektiven Störung von Empfängern, insbesondere von Systemen zur satellitengestützten Positionsbestimmung
US7949006B2 (en) * 2006-11-09 2011-05-24 Motorola Mobility, Inc. System and method for media burst control of discrete content for push-to-cellular communication
US7797000B2 (en) * 2006-12-01 2010-09-14 Trueposition, Inc. System for automatically determining cell transmitter parameters to facilitate the location of wireless devices
US20080159448A1 (en) * 2006-12-29 2008-07-03 Texas Instruments, Incorporated System and method for crosstalk cancellation
US7738586B2 (en) * 2007-01-23 2010-06-15 Infineon Technologies Ag Wireless communication device and method for reducing in-band interference in a GPS receiver
US7492293B2 (en) * 2007-03-28 2009-02-17 Olympus Communication Technology Of America, Inc. Variable rate analog-to-digital converter
US8159390B2 (en) 2007-03-29 2012-04-17 Raytheon Company Temporal CW nuller
US8334805B2 (en) * 2008-07-15 2012-12-18 Qualcomm Incorporated Digital front end for a satellite navigation receiver
US8249540B1 (en) 2008-08-07 2012-08-21 Hypres, Inc. Two stage radio frequency interference cancellation system and method
JP4752932B2 (ja) * 2009-02-25 2011-08-17 株式会社デンソー 送信装置、受信装置、及び送受信装置
US8712751B2 (en) * 2009-05-08 2014-04-29 Qualcomm Incorporated System and method of verification of analog circuits
US9217792B2 (en) 2009-08-14 2015-12-22 Saab-Sensis Corporation System and method for GNSS in-band authenticated position determination
US9548758B2 (en) * 2010-01-05 2017-01-17 Alcatel-Lucent Usa Inc. Secure compressive sampling using codebook of sampling matrices
US9806790B2 (en) 2010-03-29 2017-10-31 Odyssey Wireless, Inc. Systems/methods of spectrally efficient communications
EP2612440A4 (de) 2010-08-30 2014-02-19 Physical Devices Llc Einstellbare filtervorrichtungen und verfahren dafür
US9042857B2 (en) 2010-08-30 2015-05-26 Physical Devices, Llc Methods, systems, and non-transitory computer readable media for wideband frequency and bandwidth tunable filtering
US8666347B2 (en) 2010-10-14 2014-03-04 Physical Devices, Llc Methods and devices for reducing radio frequency interference
US9519062B2 (en) * 2012-02-28 2016-12-13 Physical Devices, Llc Methods, systems, and computer readable media for mitigation of in-band interference of global positioning system (GPS) signals
US9419711B2 (en) * 2012-09-17 2016-08-16 Ofs Fitel, Llc Measuring in-band optical signal-to-noise ratio (OSNR)
US9059508B2 (en) * 2012-10-09 2015-06-16 The Boeing Company Conformal active reflect array for co-site and multi-path interference reduction
US9001920B2 (en) 2013-02-19 2015-04-07 At&T Intellectual Property I, Lp Apparatus and method for interference cancellation in communication systems
KR20150015811A (ko) * 2013-08-01 2015-02-11 한국전자통신연구원 Gps 재밍 신호 수신기 및 gsp 재밍 신호 수신 방법
US9742522B2 (en) * 2013-10-14 2017-08-22 Lockheed Martin Corporation Jammer suppression for broadcast satellite system services
EP3060880A4 (de) 2013-10-22 2017-07-05 Polaris Sensor Technologies, Inc. Himmelpolarisations- und sonnensensorsystem und verfahren
KR101930354B1 (ko) * 2013-11-04 2018-12-18 한국전자통신연구원 위성항법 수신기에서의 기만 신호 검출 장치 및 방법
US20150244431A1 (en) 2014-02-21 2015-08-27 Physical Devices, Llc Devices and methods for diversity signal enhancement and cosite cancellation
WO2016085554A2 (en) * 2014-09-05 2016-06-02 The Board Of Trustees Of The Leland Stanford Junior University Spoofing detection and anti-jam mitigation for gps antennas
US9590673B2 (en) * 2015-01-20 2017-03-07 Qualcomm Incorporated Switched, simultaneous and cascaded interference cancellation
US10725182B2 (en) 2018-01-04 2020-07-28 Interstate Electronics Corporation Systems and methods for providing anti-spoofing capability to a global navigation satellite system receiver
US11349581B1 (en) * 2020-01-07 2022-05-31 The Aerospace Corporation Interference monitoring in radio communication systems
US11709221B2 (en) * 2020-09-08 2023-07-25 Texas Instruments Incorporated Noise-mitigated radar system
US20230194728A1 (en) * 2021-12-22 2023-06-22 Raytheon Company Standalone gnss anti-jam nuller-beamformer combining sfap and stap
FR3147008A1 (fr) * 2023-03-22 2024-09-27 Thales Dispositif électronique de détection d'interférence(s) GNSS, véhicule, procédé et programme d'ordinateur associés
CN116794611B (zh) * 2023-08-28 2023-11-03 南京航天工业科技有限公司 一种恒干信比有源隐身目标干扰方法及系统

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421091A (en) * 1965-04-26 1969-01-07 Bell Telephone Labor Inc Detecting circuit for circularly polarized waves
US3883872A (en) * 1973-06-28 1975-05-13 Nasa System for interference signal nulling by polarization adjustment
US4283795A (en) * 1979-10-03 1981-08-11 Bell Telephone Laboratories, Incorporated Adaptive cross-polarization interference cancellation arrangements
US5298908A (en) * 1987-11-27 1994-03-29 Unisys Corporation Interference nulling system for antennas
US5311192A (en) * 1989-01-03 1994-05-10 Hughes Aircraft Company Polarization ECCM technique for radar systems
US4937582A (en) * 1989-07-19 1990-06-26 Itt Corporation Polarization adaptive active aperture system
US5036331A (en) * 1989-09-18 1991-07-30 The Boeing Company Adaptive polarization combiner
US5485485A (en) * 1992-04-10 1996-01-16 Cd Radio Inc. Radio frequency broadcasting systems and methods using two low-cost geosynchronous satellites and hemispherical coverage antennas
US5796779A (en) * 1992-06-29 1998-08-18 Raytheon Company Adaptive signal processor for non-stationary environments and method
US5268927A (en) * 1992-10-06 1993-12-07 Mayflower Communications Company, Inc. Digital adaptive transversal filter for spread spectrum receivers
US5515057A (en) * 1994-09-06 1996-05-07 Trimble Navigation Limited GPS receiver with N-point symmetrical feed double-frequency patch antenna
IL112233A (en) * 1995-01-03 1998-02-22 State Rafaelel Ministry Of Def Adaptive polarization diversity system
US5596600A (en) * 1995-04-06 1997-01-21 Mayflower Communications Company, Inc. Standalone canceller of narrow band interference for spread spectrum receivers
US5712641A (en) * 1996-02-28 1998-01-27 Electro-Radiation Incorporated Interference cancellation system for global positioning satellite receivers
AU4328097A (en) * 1996-08-23 1998-03-06 Data Fusion Corporation Rake receiver for spread spectrum signal demodulation

Also Published As

Publication number Publication date
IL133599A0 (en) 2001-04-30
GB9928391D0 (en) 2000-01-26
DE19882633B4 (de) 2005-05-19
GB2341493A (en) 2000-03-15
CA2288929A1 (en) 1999-01-07
CA2288929C (en) 2002-09-03
GB2341493B (en) 2002-05-15
WO1999000872A1 (en) 1999-01-07
US5872540A (en) 1999-02-16
AU8160398A (en) 1999-01-19
DE19882633T1 (de) 2001-03-08

Similar Documents

Publication Publication Date Title
US5872540A (en) Digital interference suppression system for radio frequency interference cancellation
KR940002993B1 (ko) 영처리 수신장치 및 그 방법
US6828935B1 (en) Digitally synthesized phased antenna for multibeam global positioning
US6664921B2 (en) Apparatus for receiving ranging signals
US6697633B1 (en) Method permitting increased frequency re-use in a communication network, by recovery of transmitted information from multiple cochannel signals
US7197095B1 (en) Inverse fast fourier transform (IFFT) with overlap and add
DK2311140T3 (en) Phased array AND METHOD FOR USING A phased array
US6784831B1 (en) Method and apparatus for GPS signal receiving that employs a frequency-division-multiplexed phased array communication mechanism
US6215983B1 (en) Method and apparatus for complex phase equalization for use in a communication system
US6535666B1 (en) Method and apparatus for separating signals transmitted over a waveguide
US5768319A (en) GPS data collection in high noise-to-signal ratio environments
US6727846B1 (en) Apparatus and method for minimizing multipath signal errors during tracking of GPS satellite signals
US7440988B2 (en) System and method for dynamic weight processing
US7706429B2 (en) BOC signal acquisition and tracking method and apparatus
Chiba et al. Digital beam forming (DBF) antenna system for mobile communications
CN116134754A (zh) 用于卫星导航接收机的自适应窄带抗干扰
US7508339B1 (en) Anti-jam system for use with normal L1 only GPS receiver
JP6552817B2 (ja) 減少されたバンド幅を有する航法信号の処理を実行するための装置及び方法
Ruegamer et al. A Bavarian initiative towards a robust Galileo PRS receiver
KR101405260B1 (ko) Gps 신호 빔포밍을 위한 자체 교정 방법 및 장치
US8442020B1 (en) Phase compensation system and method to correct M-code dual sideband distortion
Owen et al. An advanced digital antenna control unit for GPS
Patel Digital beamforming using quadrature modulation algorithm
Pratt Multiple Antenna GPS-A Technology Ripe for Development
Alonso et al. Two prototypes of adaptive antenna receivers for mobile systems

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees