ALEXANDRIA, Va., June 6 -- United States Patent no. 12,284,685, issued on April 22, was assigned to SHANGHAI SATELLITE NETWORK RESEARCH INSTITUTE Co. LTD. (Shanghai).

"Random access method and random access device" was invented by Xiaofan Xu (Shanghai), Yueyue Zhang (Shanghai), Jianfei Tong (Shanghai) and Hong Yan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure disclose a random access method and a random access device, and relate to the field of communication technology. The method includes: first random access message is sent to a network device by a spatial terminal, where the first random access message carries a first preamble sequence, the first preamble s...