The Russians are jamming mobile communications during the movement of Russian equipment in the temporarily occupied territories (TOT) of Donetsk Oblast, as they distrust the local population. Source: Ukraine's National Resistance Center (NRC) Quote: "The enemy jams cellular signals during the movement of Russian equipment, so that people do not report information to the Defence Forces [of Ukraine - ed.
Leveraging tight coupling of GNSS with terrestrial radionavigation and inertial sensing provides robust PVT for unmanned aerial vehicles, but additional layers