ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,567, issued on March 17, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Methods and apparatuses for detection of session status" was invented by Sangwook Cho (Seoul, South Korea) and Hongseok Kim (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses for detection of session status are disclosed. According to an embodiment, a user plane (UP) of a base station receives, from a control plane (CP) of the base station, a request for releasing at least one bearer for a terminal device. The request comprises time information usable for deriving a first time at which the at least one bearer was det...