Base stations 10 5G mobile communication systems 5 Technology: general issues 4 Wireless sensor networks 4 Base station 3 History of engineering and technology 3 base station 3 Bayesian 2 Broadband networks 2 Cramer Rao lower bound 2 Deep learning 2 Energy efficiency 2 Iterative methods 2 Leaching 2 Lens antenna 2 Lens antennas 2 Localisation 2 Massive MIMO 2 Maximum likelihood estimation 2 Maximum likelihood estimator 2 Microwave sensors 2 Millimeter waves 2 Network lifetime 2 Optimal estimations 2 Propagation delay time 2 Received signal strength 2 RobustSTL 2 Time difference of arrival 2 Time of arrival 2 Time-difference-of-arrival 2