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On Co-Existence of In-Band UWB-OFDM and GPS Signals: Tracking Performance Analysis

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dc.contributor.author Mao, Xiaolei en_US
dc.contributor.author Morton, Yu en_US
dc.contributor.author Garmatyuk, Dmitry en_US
dc.date.accessioned 2008-12-15T20:21:36Z en_US
dc.date.accessioned 2013-07-10T15:07:01Z
dc.date.available 2008-12-15T20:21:36Z en_US
dc.date.available 2013-07-10T15:07:01Z
dc.date.created 2008-01-01 en_US
dc.date.issued 2008-12-15T20:21:36Z en_US
dc.identifier.uri
dc.identifier.uri http://hdl.handle.net/2374.MIA/267 en_US
dc.description The problem of in-band co-existence between GPS and other potential interfering signals is viewed from the following angle in this paper: Is there a coding or modulation technique which would permit simultaneous use of GPS and other RF services occupying same bandwidth? Very low interference between the UWB radar and GPS signals can be achieved by shaping radar pulses using orthogonal frequency division multiplexing (OFDM) coding, which is a multi-carrier modulation technique targeted for commercial UWB communications. The paper shows that we can, in fact, expect a very good degree of interoperability of a system used for GPS reception and UWB-OFDM radar purposes. The benefits of using UWB sensor in conjunction with GPS can be for example, to supplement positioning algorithms with radar-collected data, as well as to perform general reconnaissance of the surrounding area. The paper includes detailed analysis of the proposed multiple-use UWB-OFDM radar/GPS receiver concept, the effect of co-existing UWB-OFDM signals on GPS receiver tracking loop carrier noise level, and the impact on the quality of GPS solution in weak GPS signal environment. A brief discussion of MATLAB implementation of the modeled scenarios is presented as well. en
dc.language.iso en en
dc.title On Co-Existence of In-Band UWB-OFDM and GPS Signals: Tracking Performance Analysis en
dc.type Text en_US
dc.type.genre Article en_US


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