US Patent Issued to QUALCOMM on March 17 for "Breathing rate estimation using radio frequency (RF) sensing" (California, Wisconsin Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,621, issued on March 17, was assigned to QUALCOMM Inc. (San Diego).

"Breathing rate estimation using radio frequency (RF) sensing" was invented by Muhammad Osama Shahid (Madison, Wis.), Peyman Siyari (San Jose, Calif.) and Xiaoxin Zhang (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a device may obtain channel state information (CSI) corresponding to each subcarrier of a plurality of subcarriers in a set of RF transmissions comprising at least the plurality of subcarriers. The device may extract phase information of the CSI corresponding to each subcarrier and determine, for each subcarrier, a frequency s...