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dc.contributor.advisorKragh, Frank E.
dc.contributor.authorPatterson, John E.
dc.dateDec-14
dc.date.accessioned2015-02-18T00:18:05Z
dc.date.available2015-02-18T00:18:05Z
dc.date.issued2014-12
dc.identifier.urihttp://hdl.handle.net/10945/44642
dc.descriptionApproved for public release; distribution is unlimiteden_US
dc.description.abstractThis thesis investigates a means to mitigate co-channel interference from fourth generation cellular signals in order to support passive synthetic aperture radar (SAR) imaging using those same signals. Synthetic aperture radar is a staple of the military and intelligence communities, but the active transmission required for such images informs the target of the imaging process. Use of passive signals, such as the orthogonal frequency-division multiplexing (OFDM) signals of fourth generation cellular systems, is an attractive option, but co-channel interference mitigation is required. A method to separate the transmitted signals that leverages the estimated signal delays between multiple transmitters and receivers is examined for narrowband and wideband signals. Multiple methods of assessing recovery performance are proposed. The impact of noise is considered, as is the impact of collection geometry on recovery perfor-mance, and recovery of OFDM signals is evaluated. Signal interpolation is a critical element of the proposed recovery process, and two methods are compared for accuracy and speed of computation.en_US
dc.description.urihttp://archive.org/details/cochannelinterfe1094544642
dc.publisherMonterey, California: Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.titleCo-channel interference mitigation using satellite based receiversen_US
dc.typeThesisen_US
dc.contributor.secondreaderLoomis, Herschel H.
dc.contributor.secondreaderRomero, Ric
dc.contributor.departmentElectrical and Computer Engineering
dc.subject.authorCo-channel interferenceen_US
dc.subject.authororthogonal frequency-division multiplexing (OFDM)en_US
dc.subject.authorPassive Synthetic Aperture Radaren_US
dc.subject.authorInterpolationen_US
dc.description.serviceCommander, United States Navyen_US
etd.thesisdegree.nameElectrical Engineeren_US
etd.thesisdegree.nameMaster of Science in Electrical Engineeringen_US
etd.thesisdegree.levelMastersen_US
etd.thesisdegree.disciplineElectrical Engineeringen_US
etd.thesisdegree.grantorNaval Postgraduate Schoolen_US


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