ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,728, issued on May 20, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China).

"Methods for sending and receiving sounding reference signal, terminal device and network device" was invented by Xin You (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure provide a wireless communication method, a terminal device, and a network device, enabling the terminal device to achieve uplink synchronization in an idle state or an inactive state, thereby allowing SRS transmission. The wireless communication method includes: determining, by the terminal device, a first Timing Advance ...