ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,537, issued on March 17, was assigned to ZTE Corp. (Shenzhen, China).

"Channel occupancy time determination method, first communication node and storage medium" was invented by Wei Lin (Shenzhen, China), Li Tian (Shenzhen, China) and Hanqing Xu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A channel occupancy time determination method is applied to a first communication node. The method includes, in response to the first communication node initiating no channel occupancy, detecting information sent by a second communication node; and determining, according to the detection result, channel occupancy time (COT) for data transmission...