Next Generation GNSS Bistatic Radar Receiver
Presenting Author: Christopher Ruf
Organization: University of Michigan
Co-Author(s): Roger Backhus, Tim Butler, Chi-Chih Chen, Scott Gleason, Eric Loria, Ryan Miller, Rachel Norris, Andrew O'Brien, Line van Nieuwstadt
Global Navigation Satellite System (GNSS) bistatic radars use the existing constellations of navigation satellites (GPS, Galileo, etc.) as the transmit half of a bistatic radar link. The receive half of the link is a customized GNSS receiver designed specifically for remote sensing applications. A next generation GNSS bistatic radar receiver is developed capable of processing signals transmitted by both GPS and Galileo satellites, including both low (L1/E1) and high (L5/E5) bandwidth signals. The receiver is also be capable of processing between 7 (minimum) and 14 (goal) simultaneous signals. As a consequence of these hardware and firmware developments, horizontal resolution is improved by a factor of three, vertical resolution by a factor of ten, and spatial coverage and revisit time by a factor of two (minimum) to four (goal). In these and other ways, the next generation GNSS bistatic radar receiver will enable major improvements in climate studies, weather monitoring and prediction, soil moisture and flood inundation mapping, disaster management, and uses by commercial maritime organizations. This three year effort will raise the technology readiness of a Next Generation GNSS Bistatic Radar Receiver from TRL-4 to TRL-6.