ALEXANDRIA, Va., March 5 -- United States Patent no. 12,245,153, issued on March 4, was assigned to QUALCOMM Inc. (San Diego).

"Wake up radio and wakeup signaling" was invented by Ahmed Elshafie (San Diego), Hung Dinh Ly (San Diego), Yuchul Kim (San Diego) and Paul McAdams (Mountain View, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus, methods, and computer program products for wireless communication are provided. An example method may include receiving, from a second network entity, one or more LP reference signal (LP RS) resources, where the one or more LP RS resources are configured for at least one of: time or frequency tracking or synchronization, time or frequency error estimation or c...