ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,849, issued on March 18, was assigned to QUALCOMM Inc. (San Diego).

"Subband full duplex guard band" was invented by Muhammad Sayed Khairy Abdelghaffar (San Jose, Calif.), Abdelrahman Mohamed Ahmed Mohamed Ibrahim (San Diego), Ahmed Attia Abotabl (San Diego), Qian Zhang (Basking Ridge, N.J.) and Wanshi Chen (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a channel state information report in a subband full duplex slot using a first guard band. The UE may receive a physical downlink shared channel (PDSCH...