ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,632, issued on July 29, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Guangdong, China).
"Ranging method and device" was invented by Ye Si (Guangdong, China), Huaming Wu (Guangdong, China), Xueming Pan (Guangdong, China) and Peng Sun (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ranging method includes: sending a first signal, where a time at which the first signal is sent from a first UE is a first time; receiving a second signal sent by a second UE, where a time at which the second signal reaches the first UE is a second time; and determining a distance between the first UE and the second UE according to the first time, ...