System and method for proximity detection with single-antenna device
[pierson:snap-patent]
Timothy J. Pierson, Ronald Peterson, and David F. Kotz. System and method for proximity detection with single-antenna device. U.S. Patent 11,871,233; International Patent Application WO2019210201A1, January 9, 2024. Priority date 2018-04-27; Filed 2019-04-26; Published 2021-07-29, Issued 2024-01-09.Abstract:
A single-antenna device includes a single antenna, at least one processor, and at least one memory. The single-antenna device is operable to receive a signal including at least one frame. Each of said frame includes a repeating portion. The single-antenna device determines a difference of phase and amplitude of the repeating portion and further determines whether the signal is transmitted from a trusted source based at least in part on the difference of phase and amplitude of the repeating portion.
Citable with [BibTeX]
Projects: [thaw]
Keywords: [authentication] [iot] [mhealth] [patent] [security] [wifi]
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