5G mobile communication systems 1 Aircraft boarding 1 Aircraft communication 1 Aircraft detection 1 Beyond 5g 1 Cabins (aircraft) 1 Channel impulse response 1 Connected aircraft cabin 1 Grid mapping 1 Impulse response 1 K-nearest neighbor classification 1 Mapping 1 Motion compensation 1 Multipath 1 Multipath-assisted radio sensing 1 Nearest neighbor search 1 Occupancy detections 1 Probabilistic grid mapping 1 Probabilistics 1 Radio sensing 1 Ultra-wideband 1 Ultra-wideband (UWB) 1 Ultrawide band 1 Wireless sensor network 1 Wireless sensor networks 1 aircraft boarding 1 beyond 5G (B5G) 1 channel impulse response (CIR) connected aircraft cabin 1 k-nearest neighbor (kNN) classification 1