| CPC H04W 4/029 (2018.02) [G01S 3/14 (2013.01); G01S 5/0242 (2013.01); G01S 5/0249 (2020.05); G01S 5/08 (2013.01)] | 20 Claims |
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1. A movable device, comprising:
a radio connected to an antenna array, wherein the radio is configured to:
receive, by the movable device at a first position, a first signal transmitted from a first direction by a wireless communication device to the movable device, the wireless communication device being deployed at a fixed position; and
receive, by the movable device at a second position, a second signal transmitted from a second direction by the wireless communication device to the movable device;
a memory; and
a processor configured to:
calculate a first angle of arrival (AOA) based on the first signal and a reference direction, and a second AOA based on the second signal and the reference direction, wherein the first AOA is defined by the first direction and the reference direction, and the second AOA is defined by the second direction and the reference direction; and
estimate the fixed position of the wireless communication device based on the first AOA, the second AOA, the first position and the second position; and
store the fix position of the wireless communication device and the first signal including a basic service set identifier (BSSID) of the wireless communication device into a database stored in the memory.
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