ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,885, issued on Dec. 9, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Satellite communication method and apparatus for internet of things communication" was invented by Gyeong Rae Im (Daejeon, South Korea), Pan Soo Kim (Daejeon, South Korea), Joon Gyu Ryu (Daejeon, South Korea), Dong Hyun Jung (Daejeon, South Korea) and Soo Yeob Jung (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation method of an IoT terminal performing communications with a satellite may comprise: receiving a first signal from the satellite; determining a number of symbols constituting a preamble based on...