ALEXANDRIA, Va., July 14 -- United States Patent no. RE50,952, issued on July 14, was assigned to Phase Sensitive Innovations Inc. (Newark, Del.).

"Beam steering antenna transmitter, multi-user antenna mimo transmitter and related methods of communication" was invented by Janusz Murakowski (Bear, Del.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An transmitter to be used in wireless multi-user MIMO has been described above. The system combines the virtues of digital, analog and optical processing to arrive at a solution for scalable, non-blocking, simultaneous transmission to multiple UE-s. The system architecture is independent of the RF carrier frequency, and different frequency bands can be accessed eas...