The Houston Chronicle analyzed nine years of data on the city's bayou deaths to make sense of the rising trend that sparked ...

Abstract: The global navigation satellite system (GNSS) system has a number of disadvantages such as weak signal strength and high cost, while signals of opportunity (SOPs) can make up for these ...

Abstract: In this paper, we study to employ geographic information to address the blockage problem of air-to-ground links between UAV and terrestrial nodes. In particular, a UAV relay is deployed to ...