ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,668, issued on April 7, was assigned to Nokia Technologies Oy (Espoo, Finland).

"Survival time state triggering and fallback for duplication with dual-connectivity" was invented by Kalle Petteri Kela (Espoo, Finland) and Ping-Heng Kuo (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus and a method for a wireless communication system is provided, wherein, a number of medium access control entities associated with at least one active radio link control entity of a radio bearer is determined; at least one condition for switching a state associated with the radio bearer based, at least partially, on the determined numb...