ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,108, issued on April 1, was assigned to Dali Wireless Inc. (Menlo Park, Calif.).

"Virtual radio access network using software-defined network of remotes and digital multiplexing switches" was invented by Shawn Patrick Stapleton (Vancouver, Canada) and Sasa Trajkovic (Burnaby, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for routing signals in a Distributed Antenna System (DAS) includes one or more Base Band Units (BBUs). Each of the one or more BB Us has one or more digital outputs. The system also includes a plurality of Digital Multiplexer Units (DMUs) coupled to each other and operable to route signals between the plurality of D...