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RSSI-based Direction-of-Departure Estimation in Bluetooth Low Energy using an array of Frequency-Steered Leaky-Wave Antennas
This paper presents a novel advanced Bluetooth Low Energy (BLE) beacon, which is based on an array of frequency-steered leaky-wave antennas (LWAs), as a transmitter for a Direction-of-Departure (DoD) estimation system. The LWA array is completely passive, fabricated in a low-cost FR4 printed-circuit board and designed to multiplex to different angular directions in space each one of the three associated BLE advertising channels that are used for periodically transmitting the ID of the beacon.doi:10.1109/access.2020.2965233 fatcat:a7dddrvarbh3tch5aq4l65i3da