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Implementation Of Collaborative Rf Localization Using A Software-Defined Radio Network, Augustine A. Honore
Implementation Of Collaborative Rf Localization Using A Software-Defined Radio Network, Augustine A. Honore
Theses and Dissertations
This thesis investigates the use of collaboration between sensor nodes that were tasked with localizing a radio frequency emitter. Localization is a necessary component for dynamic spectrum access. Using a set of software-defined radios as our sensors and a received signal strength-based maximum likelihood localization algorithm, we successfully localized transmitting nodes based on their received signal strength. Our experiment was conducted outdoors using a flexible topology that could be shaped into 21 sub-topologies that varied in size, and orientation with respect to the transmitters. This was made possible through application of a time shift concept and a post-processing technique. We …