Microwave sensors 6 History of engineering and technology 4 Alumina 2 Aluminum oxide 2 Base stations 2 Bayesian 2 Broadband networks 2 Cramer Rao lower bound 2 Localisation 2 Maximum likelihood estimation 2 Maximum likelihood estimator 2 Optimal estimations 2 Propagation delay time 2 Received signal strength 2 Time difference of arrival 2 Time of arrival 2 Time-difference-of-arrival 2 UWB Networks 2 Ultra-wideband (UWB) 2 Wireless sensor networks 2 localization 2 maximum likelihood (ML) estimator 2 microwave sensors 2 received signal strength (RSS) 2 time difference of arrival (TDOA) 2 Aerospace field 1 Antennas 1 Biosensors 1 Capacitance 1 Capacitive couplings 1