ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,833, issued on May 20, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).

"Communication operations in a shared spectrum" was invented by Hossein Bagheri (Urbana, Ill.), Joachim Lohr (Wiesbaden, Germany), Alexander Golitschek Edler von Elbwart (Darmstadt, Germany), Hyejung Jung (Northbrook, Ill.), Ankit Bhamri (Bad Nauheim, Germany) and Vijay Nangia (Woodridge, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Various aspects relate to a device that receives a configured uplink grant from a base station for semi-persistent uplink transmissions, receives a configuration for a retransmission timer, receives a configuration of a next-generatio...