US Patent Issued to ADRF KOREA on Sept. 22 for "O-RAN remote unit system for multi-carrier and multi-frequency band based on O-RAN standard" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,550, issued on Sept. 22, was assigned to ADRF KOREA Inc. (Icheon-si, South Korea).

"O-RAN remote unit system for multi-carrier and multi-frequency band based on O-RAN standard" was invented by Chan Ki Cho (Icheon-si, South Korea) and Hyun Kyung Song (Gwangju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An open radio access network (O-RAN) radio unit (RU) system includes an O-RU digital part and one or more smart antenna modules. The O-RU digital part includes a fronthaul transport layer configured to transmit and receive a signal to and from a distributed unit (DU), a low physical layer (Low PHY) configured to process a signal acc...