ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,328, issued on May 13, was assigned to FUJITSU Ltd. (Kawasaki, Japan).

"Signal transmission, and signal reception apparatuses" was invented by Zhe Chen (Beijing), Lei Song (Beijing), Lei Zhang (Beijing) and Xin Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes: a receiver configured to: receive a downlink signal related to beam failure recovery, and receive a downlink reference signal; and a transmitter configured to, after receiving the downlink signal, transmit a first uplink signal on a first cell by using a first spatial filter identical to a second spatial filter receiving the downlink reference signal."

The pa...