HK1062332A1 - System and method for mitigating co-channel interference in passive coherent location applications - Google Patents

System and method for mitigating co-channel interference in passive coherent location applications

Info

Publication number
HK1062332A1
HK1062332A1 HK04105230.5A HK04105230A HK1062332A1 HK 1062332 A1 HK1062332 A1 HK 1062332A1 HK 04105230 A HK04105230 A HK 04105230A HK 1062332 A1 HK1062332 A1 HK 1062332A1
Authority
HK
Hong Kong
Prior art keywords
mitigating
channel interference
location applications
passive coherent
coherent location
Prior art date
Application number
HK04105230.5A
Other languages
English (en)
Inventor
Kevin W Baugh
Original Assignee
Lockheed Corp
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 Lockheed Corp filed Critical Lockheed Corp
Publication of HK1062332A1 publication Critical patent/HK1062332A1/xx

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • G01S7/0236—Avoidance by space multiplex
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S2013/0236—Special technical features
    • G01S2013/0245—Radar with phased array 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G01S7/292—Extracting wanted echo-signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
HK04105230.5A 2001-05-04 2004-07-16 System and method for mitigating co-channel interference in passive coherent location applications HK1062332A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US28844801P 2001-05-04 2001-05-04
US28845101P 2001-05-04 2001-05-04
US10/137,646 US6703968B2 (en) 2001-05-04 2002-05-03 System and method for mitigating co-channel interference in passive coherent location applications
PCT/US2002/014070 WO2002091011A2 (en) 2001-05-04 2002-05-06 System and method for mitigating co-channel interference in passive coherent location applications

Publications (1)

Publication Number Publication Date
HK1062332A1 true HK1062332A1 (en) 2004-10-29

Family

ID=27385055

Family Applications (1)

Application Number Title Priority Date Filing Date
HK04105230.5A HK1062332A1 (en) 2001-05-04 2004-07-16 System and method for mitigating co-channel interference in passive coherent location applications

Country Status (10)

Country Link
US (1) US6703968B2 (xx)
EP (1) EP1386176B1 (xx)
JP (1) JP4257122B2 (xx)
KR (1) KR100836521B1 (xx)
AU (2) AU2002340707B2 (xx)
CA (1) CA2446404C (xx)
DK (1) DK1386176T3 (xx)
HK (1) HK1062332A1 (xx)
IL (2) IL158724A0 (xx)
WO (1) WO2002091011A2 (xx)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7782256B2 (en) 1999-03-05 2010-08-24 Era Systems Corporation Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
WO2001094975A1 (en) * 2000-06-06 2001-12-13 Altratek Inc. System and method for detection and tracking of targets
WO2002097467A2 (en) * 2000-11-28 2002-12-05 Lockheed Martin Corporation System and method for adaptive broadcast radar system
US8398634B2 (en) * 2002-04-18 2013-03-19 Intuitive Surgical Operations, Inc. Wristed robotic surgical tool for pluggable end-effectors
US6995705B2 (en) * 2002-02-08 2006-02-07 Lockheed Martin Corporation System and method for doppler track correlation for debris tracking
US7701382B2 (en) * 2003-09-15 2010-04-20 Broadcom Corporation Radar detection circuit for a WLAN transceiver
US8190162B2 (en) * 2003-09-15 2012-05-29 Broadcom Corporation Radar detection circuit for a WLAN transceiver
EP1899744A2 (en) * 2005-06-06 2008-03-19 Signal-Labs, Inc. System and method for detection and discrimination of targets in the presence of interference
WO2008094701A1 (en) * 2007-01-31 2008-08-07 Signal Labs, Inc. System and methods for multistep target detection and parameter estimation
US8730092B2 (en) * 2010-05-04 2014-05-20 Raytheon Company Multistatic target detection and geolocation
RU2444755C1 (ru) * 2010-07-29 2012-03-10 Открытое акционерное общество "Конструкторское бюро по радиоконтролю систем управления, навигации и связи" (ОАО "КБ "Связь") Способ обнаружения и пространственной локализации воздушных объектов
RU2444754C1 (ru) * 2010-07-29 2012-03-10 Открытое акционерное общество "Конструкторское бюро по радиоконтролю систем управления, навигации и связи" (ОАО "КБ "Связь") Способ обнаружения и пространственной локализации воздушных объектов
US9059508B2 (en) * 2012-10-09 2015-06-16 The Boeing Company Conformal active reflect array for co-site and multi-path interference reduction
KR101632471B1 (ko) * 2013-04-02 2016-06-21 마크 리소시스, 인코포레이티드 복수의 물체들의 연속적 추적을 위한 레이더 시스템
FR3006060B1 (fr) * 2013-05-24 2016-12-02 Thales Sa Procede de localisation d'une cible et systeme radar multistatique pour la mise en œuvre d'un tel procede
GB201319151D0 (en) * 2013-10-30 2013-12-25 Ucl Business Plc Apparatus and method for performing passive sesing
US9369160B2 (en) * 2014-05-02 2016-06-14 Embry-Riddle Aeronautical University, Inc. Communications system using signal modulation
KR101733033B1 (ko) 2016-07-08 2017-05-08 엘아이지넥스원 주식회사 바이스태틱 거리를 이용한 위치 추정 방법
KR101733034B1 (ko) 2016-07-08 2017-05-08 엘아이지넥스원 주식회사 표적의 위치를 추정하기 위한 pcl 시스템
KR101733035B1 (ko) * 2016-07-19 2017-05-08 엘아이지넥스원 주식회사 표적으로부터 반사된 신호를 기반으로 위치를 추정하기 위한 pcl 시스템
KR101733036B1 (ko) * 2016-07-19 2017-05-08 엘아이지넥스원 주식회사 바이스태틱 거리 및 빔포밍을 이용한 위치 추정방법
IL254452B (en) * 2017-09-12 2019-12-31 Senstation Tech Ltd A method and system for target detection by a passive radar system that utilizes sources of multi-channel quality according to provider
US11656335B2 (en) * 2019-03-05 2023-05-23 Rohde & Schwarz Gmbh & Co. Kg System and method for detecting aircraft signatures
KR102219341B1 (ko) * 2020-04-22 2021-02-23 국방과학연구소 Fm 신호 기반의 수동형 코히어런트 위치 추정(pcl) 시스템에서 기준채널 내의 다중경로에 의한 간섭원을 제거하는 간섭원 제거장치 및 방법
CN111650563B (zh) * 2020-06-15 2022-05-31 桂林电子科技大学 一种外辐射源雷达同频干扰时延和能量快速估计系统及方法
JP7452678B2 (ja) 2020-09-16 2024-03-19 日本電気株式会社 レーダ装置、イメージング方法およびイメージングプログラム
US12015824B2 (en) 2021-03-19 2024-06-18 United States Of America As Represented By The Secretary Of The Navy Passive coherent location with a prediction of a broadcast signal
CN113419219B (zh) * 2021-06-18 2022-04-22 桂林电子科技大学 基于空域特征认知的外辐射源雷达同频干扰级联相消方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795911A (en) 1961-02-02 1974-03-05 C Hammack Method and apparatus for automatically determining position-motion state of a moving object
US3706096A (en) 1961-02-02 1972-12-12 Hammack Calvin M Polystation doppler system tracking of vehicles,measuring displacement and rate thereof and similar applications
US3786509A (en) 1962-11-21 1974-01-15 Gen Electric Automatic canceller
US3286263A (en) 1963-06-21 1966-11-15 Calvin M Hammack Polystation detector for multiple targets
US3270340A (en) 1963-09-30 1966-08-30 Calvin M Hammack Method of echo grouping
US3242487A (en) 1963-12-05 1966-03-22 Calvin M Hammack Detection and tracking of multiple targets
US3573611A (en) 1969-01-23 1971-04-06 Collins Radio Co Simultaneous delay measurement between selected signal frequency channels and reference frequency channel
US4114153A (en) 1974-06-26 1978-09-12 Neidell Norman S Echo location systems
FR2283606A1 (fr) 1974-08-30 1976-03-26 Stern Thomas Filtre de phase pour reduire les effets des composantes de bruit affectant les signaux modules en phase par les valeurs discretes
US5280294A (en) 1983-11-25 1994-01-18 Itt Corporation Passive monopulse ranging to a non-cooperative emitter and non-emitting object
US4746924A (en) * 1985-09-30 1988-05-24 The Boeing Company Apparatus and methods for locating a target utilizing signals generated from a non-cooperative source
US6424290B1 (en) * 1989-12-13 2002-07-23 The United States Of America As Represented By The Secretary Of The Air Force Narrowband passive differential tracking system (U)
US4994809A (en) 1990-03-07 1991-02-19 Hughes Aircraft Company Polystatic correlating radar
US5130952A (en) * 1990-09-26 1992-07-14 Hughes Aircraft Company Broadband adaptive doppler estimator and canceller
US5192955A (en) 1991-09-25 1993-03-09 Hughes Aircraft Company Individual target angle measurements in a multiple-target environment
US5252980A (en) 1992-07-23 1993-10-12 The United States Of America As Represented By The Secretary Of The Air Force Target location system
US5381156A (en) 1993-04-15 1995-01-10 Calspan Corporation Multiple target doppler tracker
US5623267A (en) 1993-11-30 1997-04-22 Wurman; Joshua M. A. R. Wide-angle multiple-doppler radar network
US5451960A (en) 1994-06-10 1995-09-19 Unisys Corporation Method of optimizing the allocation of sensors to targets
IL110771A (en) 1994-08-25 1998-02-08 Holon Holon Hanni A priori and adaptive filtering for detection of signals corrupted by noise
US5604503A (en) 1995-03-27 1997-02-18 Lockheed Martin Corporation Multipath and co-channel signal preprocessor
US5525995A (en) 1995-06-07 1996-06-11 Loral Federal Systems Company Doppler detection system for determining initial position of a maneuvering target
FR2776438B1 (fr) 1996-04-30 2000-05-05 Dassault Electronique Systeme de detection de mobiles, utilisant les emissions de telediffusion numerique d'un reseau d'emetteurs terrestres
US5912640A (en) 1997-08-26 1999-06-15 Lockheed Martin Corporation Boost engine cutoff estimation in Doppler measurement system
US6057877A (en) 1997-09-19 2000-05-02 Samsung Electronics Co., Ltd. NTSC interference detectors using pairs of comb filters with zero-frequency responses, as for DTV receivers
US6031879A (en) 1997-11-05 2000-02-29 The United States Of America As Represented By The Secretary Of The Navy Wideband undersampling digital receiver
US6133873A (en) 1998-06-03 2000-10-17 Krasner; Norman F. Method and apparatus for adaptively processing GPS signals in a GPS receiver
US5990831A (en) 1998-08-25 1999-11-23 Rockwell International Corporation FFT implementation of digital antenna arry processing in GNSS receivers
US6052421A (en) 1998-09-28 2000-04-18 Northrop Grumman Corporation Method for separating a desired signal from an interfering signal

Also Published As

Publication number Publication date
WO2002091011A2 (en) 2002-11-14
US20020167440A1 (en) 2002-11-14
KR100836521B1 (ko) 2008-06-12
DK1386176T3 (da) 2012-08-27
IL158724A0 (en) 2004-05-12
US6703968B2 (en) 2004-03-09
CA2446404C (en) 2008-12-30
KR20040012789A (ko) 2004-02-11
IL158724A (en) 2009-02-11
JP4257122B2 (ja) 2009-04-22
JP2004526165A (ja) 2004-08-26
AU2009200844A1 (en) 2009-04-02
EP1386176B1 (en) 2012-07-25
EP1386176A2 (en) 2004-02-04
AU2009200844B2 (en) 2011-12-22
WO2002091011A3 (en) 2003-07-24
AU2002340707B2 (en) 2009-01-22
CA2446404A1 (en) 2002-11-14

Similar Documents

Publication Publication Date Title
HK1062332A1 (en) System and method for mitigating co-channel interference in passive coherent location applications
IL152432A0 (en) Passive coherent location system and method
IL158721A0 (en) System and method for central association and tracking in passive coherent location applications
AU2003228013A8 (en) Method and system for access point roaming
GB0118432D0 (en) Data acquisition and processing system and method
EP1411757A4 (en) SYSTEM AND METHOD FOR MONITORING PLANTS
GB0209511D0 (en) Computer system and method
IL170446A (en) Method and apparatus for reducing co-channel interference in a communication system
AU2003259875A8 (en) System and method for authenticating wireless component
EP1676374A4 (en) SYSTEM AND METHOD FOR REDUCING INTERFERENCE IN A WIRELESS INTERNAL COMMUNICATION DISTRIBUTION SYSTEM
AU2001298030A1 (en) Apparatus and method for intersymbol interference compensation in spread spectrum communications systems
GB0118574D0 (en) Method and apparatus for locking an application within a trusted environment
EP1427205A4 (en) NETWORK INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD
AU2003260109A8 (en) System and method for cdma communications
AU2002239946A1 (en) Pre-paid electronic access system and method
IL141650A (en) Method and system for tracking an object
GB2396558B (en) Method and system for processing bio-contaminated articles
GB2396527B (en) Systems and methods for reducing interference
GB2378285B (en) System and method for electronic document distribution
IL142487A0 (en) Method and system for protecting data
AU2002234660A1 (en) Method and arrangement for interference attenuation
GB2373420B (en) Communications system and method
GB2391978B (en) Method and system for literal data access
IL157678A0 (en) System and method for discovering patterns with noise
AU2002351415A8 (en) System and method for applet caching

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20200504