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Software Approach to Access UWB Interference on GPS Receivers

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Show simple item record Janning, D. en_US Miller, Mikel en_US Tsui, J.B.Y. en_US Zhou, Qihou en_US French, M.P. en_US Morton, Yu en_US 2008-12-15T22:05:04Z en_US 2013-07-10T15:07:02Z 2008-12-15T22:05:04Z en_US 2013-07-10T15:07:02Z 2005-01 en_US 2008-12-15T22:05:04Z en_US
dc.identifier.uri en_US
dc.description Ever since the FCC approved the use of UWB devices in commercial and federal bands, various agencies whose operations and/or products rely on the integrity of signals within certain â restrictedâ radio frequency hands have voiced concerns over the potential impact of the UWB interference. GPS signals are among these â restrictedâ bands. Several groups in the GPS community have conducted experimental studies concerning the impact of UWB interference on the performance of various grades of commercial and aviation GPS receivers. In this paper, we present a software approach to simulate and evaluate UWB interference on GPS receivers. The software approach provides greater flexibility in the design of testing scenarios, such as the inclusion of a large number of aggregated UWB devices, the generation of new UWB signals and modulation schemes, and the possibility of extending the study to new GPS signals. The paper will discuss a general framework for developing algorithms to evaluate UWB and GPS interference under a wide variety of hardware and software conditions. This framework consists of three classes of components: Input, Processing, and Analysis. The input components are responsible for the generation of UWB signal waveforms and modulation schemes, and GPS signals. The processing components include a simulated model of GPS RF front end and software implementation of GPS processing blocks, such as acquisition, tracking, and post-processing. The Analysis components focus on the study of specsic receiver processing component outputs. Both real and simulated UWB signals can he used in the study. The real UWB signals are primarily used to validate the simulation procedure, whereas the simulated UWB signals are used to allow the immediate incorporation of new UWB waveforms and modulations in the evaluations. This paper will present details of the software components developed and the preliminary results achieved en
dc.language.iso en en
dc.title Software Approach to Access UWB Interference on GPS Receivers en
dc.type Text en_US
dc.type.genre Article en_US

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