ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,628, issued on Aug. 4, was assigned to ZTE Corp. (Shenzhen, China).

"Methods and devices for signal processing" was invented by Xuan Ma (Shenzhen, China), Jun Xu (Shenzhen, China), Mengzhu Chen (Shenzhen, China), Focai Peng (Shenzhen, China), Xiaoying Ma (Shenzhen, China) and Qiujin Guo (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Medium Access Control (MAC) entity of a user equipment (UE) comprises a primary discontinuous reception (DRX) group and a secondary DRX group. A control channel is monitored for receiving downlink control information (DCI) in at least one serving cell in at least one of the primary DRX group or the seco...