ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,538,094, issued on Jan. 27, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Ranging capacity request method, ranging capacity sending method, and ranging capacity receiving method" was invented by Xiandong Dong (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ranging capacity request method includes sending a first message, in which the first message includes request information, and the request information is configured to request for ranging capacity information of a second terminal that has received the request information. The second terminal may reply with a message including the ranging capacity information of the seco...