ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,643, issued on Feb. 3, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Communication method and apparatus" was invented by Ruijie Li (Beijing), Lei Guan (Beijing) and Shengyu Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication method and apparatus resolve a problem that a terminal device frequently sends channel state information or an uplink reference signal, so that signaling overheads of the terminal device can be reduced. The method includes: determining a first feedback information set, and sending first channel state information or a first uplink reference signal to a network device when the first feedba...