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US 10,772,069 B2Granted
Passive positioning using directional transmissions
AssigneeQUALCOMM Incorporated
InventorsAssaf Yaakov Kasher, Amitai Abramson, Amichai Sanderovich
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Abstract
Certain aspects of the present disclosure provide methods and apparatus for enhancing a beamforming training procedure.
Claims8
An apparatus for wireless communications, comprising:
- an interface configured to obtain:
- a first frame, during a first sector sweep procedure, having an indication of a first direction of transmission of the first frame relative to a position of a first wireless node, and
- a second frame, during a second sector sweep procedure, having an indication of a second direction of transmission of the second frame relative to a position of a second wireless node;
- and
- a processing system configured to estimate a position of the apparatus based on the first direction, the second direction, the position of the first wireless node, and the position of the second wireless node,
- wherein the estimation is further based on one or more training fields, associated with the first and second frames, obtained during the first and second sector sweep procedures.
3 more elements
Dependencies are inferred from the claim text.