[특허]Passive three dimensional track of non-cooperative targets through opportunistic use of global positioning system (GPS) and GLONASS signals

[미국특허] Passive three dimensional track of non-cooperative targets through opportunistic use of global positioning system (GPS) and GLONASS signals 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-003/02
출원번호	US-0310808 (1999-05-12)
발명자 / 주소	McIntosh John C.
대리인 / 주소	Clodfelter
인용정보	피인용 횟수 : 38 인용 특허 : 7

초록 ▼

A method and apparatus for utilization of GPS, GLONASS or other existing RF signals is disclosed. These existing RF signals are scattered by targets, with a receiver of these scattered signals providing processing to extract three dimensional track of these objects. Angle-of-Arrival (AOA) information of a received signal may be used, but is not required. Modifications of standard GPS signal processing allows observables such as range-sum, range-difference, and bistatic Doppler frequency to be observed. These observables, when coupled with standard bistatic/multistatic location equations, provide unambiguous and even redundant information on target coordinates. The method/device employs a modified code (range)/carrier(Doppler) search routine for initial target search/acquisition, wherein a direct path signal is used as a reference from which chip delay and Doppler shift excursions are examined. In this manner, the range and Doppler components observed will correspond to [range-sum-direct path] range, and true bistatic target Doppler irrespective of the satellite or receiver induced Doppler shifts.

대표청구항 ▼

[ Having thus described my invention and the manner of its use, it should be apparent that incidental changes may be made thereto that fairly fall within the scope of the following appended claims, wherein I claim:] [1.]1. A method for utilizing RF location signals broadcast over a wide area by at least one remote transmitter, with a receiver of said RF location signals disposed for discriminating between direct path said RF location signals and reflected said RF location signals in order to develop data relating to at least one reflective source of said reflected RF location signals, said method comprising the steps of:a) receiving said RF location signals from said remote transmitter,b) extracting from said RF location signals direct range data representative of a direct RF signal path between said remote transmitter and said receiver,c) from said RF location signals, developing target range data representative of an RF signal path from said remote transmitter to said reflective source and then to said receiver,d) comparing said direct range data and said target data to develop relational data indicative of at least one selected relationship between said receiver and said reflective source.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Martin Neira Manuel (VN Voorhout NLX), Altimetry method.
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Isbister ; Eric J. ; Fidler ; Horace E., Marine radar interrogator-transponder target detection, identification, and range measurement system.
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Katzberg Stephen J. ; Garrison ; Jr. James L., Method and system for producing images of an object.
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Hammerquist Earl L. (Thousand Oaks CA), Passive monopulse ranging to a non-cooperative emitter and non-emitting object.
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Friedman Maurice (Roslyn PA) Fischer Robert W. (Long Island NY) Ross Michael D. (Somerdale NJ) Potts Luken W. (Merion PA) Rogers Gary (Blue Bell PA), Passive ranging system utilizing range tone signals.
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Tsui James B. Y. (Dayton OH) Shaw Rudy L. (Huber Heights OH), Passive ranging through global positioning system.
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Gray Clifford M. (Owego NY) Johnson James L. (Frederick MD), Target location system.
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이 특허를 인용한 특허 (38) 인용/피인용 타임라인 분석

Martin, Gayle Patrick; Shipley, John W., Coherent two-dimensional image formation by passive synthetic aperture collection and processing of multi-frequency radio signals scattered by cultural features of terrestrial region.
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Zou,Qiuzhen; Sih,Gilbert C.; Kang,Inyup, Data boundary aware base station assisted position location.
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Shreve, Gregory A., Direct-path-signal detection apparatus and associated methods.
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Kump, John D.; Jundt, Dieter, Frequency synthesis for acousto-optic devices.
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Martin, Gayle Patrick; Shipley, John W., Image formation by passive collection and processing of radio frequency signals illuminating and scattered by cultural features of terrestrial region.
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Elvin, John D., Integrated inward turning inlets and nozzles for hypersonic air vehicles.
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Mayersak, Joseph R., Location of radio frequency emitting targets.
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Joseph R. Mayersak, Location of the radio frequency emitting targets.
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Westphal, Robert, Method for sensing a threat.
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Atkinson,Simon John; Baker,Adam Alexander; Rickett,Bryan Stephen; Smith,Christopher Nigel; Weedon,Robert John, Method of determining the position of a target using transmitters of opportunity.
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Ghaleb, Sam; Kinder, Floyd A., Method of using a microwave and millimeter frequency bistatic radar for tracking and fire control.
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Holder, Ernest Jefferson, Methods, apparatuses and systems for locating non-cooperative objects.
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Ghaleb,Sam; Kinder,Floyd A., Microwave and millimeter frequency bistatic radar tracking and fire control system.
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Letovsky, Howard, Missile detection and neutralization system.
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Boardman, Jonathan A., Missile tracking by GPS reflections.
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Redano, Richard T., Mobile ballistic missile detection and defense system.
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Redano,Richard T., Mobile ballistic missile detection and defense system.
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Barrick, Donald E.; Lilleboe, Peter M.; Teague, Calvin C., Multi-station HF FMCW radar frequency sharing with GPS time modulation multiplexing.
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Millet, Nicolas; Allam, Sébastien; Klein, Mathieu; Malherbe, Thierry, Multi-target data processing for multi-receiver passive radars in an SFN or MFN mode.
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Jaffer, Amin G., Multistatic target detection and geolocation.
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Sosulin, Yury G.; Tatarnikov, Dmitry V., Object detection and position determination by reflected global navigation satellite system signals.
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Neira, Manuel Martin; Matellano, Pablo Colmenarejo; Ruffini, Giulio, Ocean altimetry interferometric method and device using GNSS signals.
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Barrick, Donald E.; Lilleboe, Peter M.; Lipa, Belinda J.; Isaacson, James, Ocean surface current mapping with bistatic HF radar.
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Baugh, Kevin W.; Lodwig, Richard; Benner, Robert, Passive coherent location system and method.
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Lloyd, Peter Gregory; Harris, Gareth Liam; Stothard, Brian Phillip, Passive moving object detection system and method using signals transmitted by a mobile telephone station.
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Yeh, Hsin-Chung; Ting, Yuan Wen, Positioning method and navigation device.
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Kishigami, Takaaki; Nakagawa, Yoichi; Mukai, Hirohito, Radar device.
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Li, Ming-Chiang, Robust and broadband signal processing using replica generation apparatus.
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Martin Neira, Manuel; D'Addio, Salvatore, Space-borne altimetry apparatus, antenna subsystem for such an apparatus and methods for calibrating the same.
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Barrick, Donald E., Synthesis of total surface current vector maps by fitting normal modes to single-site HF radar data.
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Draganov, Alexandr; Haas, Jr., Franklin M.; Harlacher, Marc A., System and method for mitigating severe multipath interference for geolocation and navigation.
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Akopian, David; Valio, Harri; Turunen, Seppo, System for method for fine acquisition of a spread spectrum signal.
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Hager, James R.; Almsted, Larry D.; Jicha, Thomas, Systems and methods for target location.
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Elwell, Jr., John M.; Gustafson, Donald E., Systems and methods for transparency mapping using multipath signals.
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Elwell, Jr., John M.; Gustafson, Donald E.; Soltz, J. Arnold, Systems and methods for transparency mapping using multipath signals.
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Holder, Ernest Jefferson, Systems, methods and computer-readable media for improving platform guidance or navigation using uniquely coded signals.
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DiEsposti,Raymond S.; Tekawy,Jonathan A.; Kelley,Clifford W., User equipment navigation solution with position determination of a navigation signal reflector.
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Wallace, Gregory Craig; Loomis, Peter Van Wyck; Weisenburger, Shawn D.; Janky, James M., Vehicle-based global navigation satellite system receiver system with radio frequency hardware component.
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연합인증

[미국특허] Passive three dimensional track of non-cooperative targets through opportunistic use of global positioning system (GPS) and GLONASS signals 원문보기

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[미국특허] Passive three dimensional track of non-cooperative targets through opportunistic use of global positioning system (GPS) and GLONASS signals 원문보기

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이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

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