ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,218,397, issued on Feb. 4, was assigned to Samsung Electronics Co. Ltd (South Korea).

"Device and method for variable signal attenuation in wireless communication system" was invented by Donggyu Minn (Gyeonggi-do, South Korea), Youngchang Yoon (Gyeonggi-do, South Korea), Daehyun Kang (Gyeonggi-do, South Korea) and Kyuhwan An (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long-Term Evolution (LTE). The present disclosure provides a device for ...