ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,875, issued on May 5, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Access method and related device" was invented by Hai Huang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A network device sends a contention resolution message to a terminal device, and in instances when the network device determines that a target ACK sent by the terminal device is not received on an uplink carrier, the network device sends a first uplink grant message to the terminal device on a data transmission carrier. The terminal device may send a first message to the network device on the data transmission carrier based on the first uplink grant ...