An Accurate UAV Ground Landing Station System Based on BLE-RSSI and Maximum Likelihood Target Position Estimation. - Avilés-Viñas, Jaime; Carrasco-Alvarez, Roberto; Vázquez-Castillo, Javier; Ortegón-Aguilar, Jaime; Estrada-López, Johan J.; Jensen, Daniel D.; Peón-Escalante, Ricardo; Castillo-Atoche, Alejandro (Applied Sciences (2076-3417), 2022)