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dc.creatorKassas, Zaher M.
dc.creatorBhatti, Jahshan A.
dc.creatorHumphreys, Todd E.
dc.date.accessioned2018-01-25T19:00:24Z
dc.date.available2018-01-25T19:00:24Z
dc.date.issued2013
dc.identifierdoi:10.15781/T2QB9VN9N
dc.identifier.urihttp://hdl.handle.net/2152/63225
dc.description.abstractGlobal positioning system (GPS) software-defined receivers (SDRs) offer many advantages over their hardwarebased counterparts, such as flexibility, modularity, and upgradability. A typical GPS receiver is readily expressible as a block diagram, making a graphical approach a natural choice for implementing GPS SDRs. This paper presents a real-time, graphical implementation of a GPS SDR, consisting of two modes: acquisition and tracking. The acquisition mode performs a twodimensional fast Fourier transform (FFT)-based search over code offsets and Doppler frequencies. The carrier-aided code tracking mode consists of the following main building blocks: correlators, code and carrier phase detectors, code and carrier phase filters, a code generator, and a numerically-controlled oscillator. The presented GPS SDR provides an abstraction level that enables future research endeavors.en_US
dc.language.isoengen_US
dc.relation.ispartofRadionavigation Laboratory Conference Proceedingsen_US
dc.subjectKassasen_US
dc.subjectBhattien_US
dc.subjectHumphreysen_US
dc.subjectGPS software-defineden_US
dc.subjectreceiver implementationen_US
dc.titleA Graphical Approach to GPS Software-Defined Receiver Implementationen_US
dc.typeConference proceedingsen_US
dc.description.departmentAerospace Engineering and Engineering Mechanicsen_US
dc.rights.restrictionOpenen_US


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