Wi-Fi direction finding with frequency-scanned antenna and channel-hopping scheme
A Gil-Martínez, M Poveda-García… - IEEE Sensors …, 2021 - ieeexplore.ieee.org
IEEE Sensors Journal, 2021•ieeexplore.ieee.org
A novel and simple technique for Direction of Arrival (DoA) estimation in 802.11 Wi-Fi
networks is proposed. It is based on the use of a dual-port frequency-beam scanning
antenna, which is connected to single MIMO access point. By simply performing a channel
hopping scheme and acquiring Received Signal Strength Information (RSSI) from each
channel, the DoA can be estimated in a wide Field of View of 180° with a mean angular error
of 5°. Due to its simplicity, a single commodity Wi-Fi AP can be used without the need of …
networks is proposed. It is based on the use of a dual-port frequency-beam scanning
antenna, which is connected to single MIMO access point. By simply performing a channel
hopping scheme and acquiring Received Signal Strength Information (RSSI) from each
channel, the DoA can be estimated in a wide Field of View of 180° with a mean angular error
of 5°. Due to its simplicity, a single commodity Wi-Fi AP can be used without the need of …
A novel and simple technique for Direction of Arrival (DoA) estimation in 802.11 Wi-Fi networks is proposed. It is based on the use of a dual-port frequency-beam scanning antenna, which is connected to single MIMO access point. By simply performing a channel hopping scheme and acquiring Received Signal Strength Information (RSSI) from each channel, the DoA can be estimated in a wide Field of View of 180° with a mean angular error of 5°. Due to its simplicity, a single commodity Wi-Fi AP can be used without the need of Channel State Information (CSI), or complex electronically reconfigurable or mechanically revolving antennas.
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