Patent ID: 11889462
Assignee: QUALCOMM INCORPORATED
Field: Measurement (Instruments)
Classification: CPC H  G | IPC G  H

Claim 13:
14. An apparatus for bi-static radio-based object location detection, the apparatus comprising:
means for obtaining a location of a wireless device;
means for obtaining a time-of-flight (ToF) and an angle of arrival (AoA) of a wireless wide-area network (WWAN) reference signal transmitted by a transmitting device, wherein the TOF and the AoA are obtained from measurements of the WWAN reference signal at a receiving device after the WWAN reference signal is reflected by an object wherein the means for obtaining the AoA of the WWAN reference signal comprises means for obtaining a differential AoA (DAoA) indicative of an angle between a reflected path of the WWAN reference signal and a direct path between the apparatus and the wireless device; and
means for determining a location of the object based on the location of the wireless device, the ToF, and the AoA, wherein:
the apparatus comprises the transmitting device and the wireless device comprises the receiving device, or
the apparatus comprises the receiving device and the wireless device comprises the transmitting device.