ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,450, issued on July 1, was assigned to QUALCOMM Inc. (San Diego).

"Techniques for direct secondary cell activation using temporary reference signals" was invented by Kazuki Takeda (Tokyo), Changhwan Park (San Diego) and Punyaslok Purkayastha (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. A user equipment (UE) may be configured to receive, via a first serving cell, a message including an indication to activate a second serving cell different from the first serving cell. The UE may receive, via the first serving cell, a control message indicating a first resource for tr...