US Patent Issued to Telefonaktiebolaget LM Ericsson on July 28 for "VoWiFi split PDU session handover" (Chinese, Canadian, German Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,696,129, issued on July 28, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"VoWiFi split PDU session handover" was invented by Juying Gan (Shanghai), George Foti (Dollard des Ormeaux, Canada), Ralf Keller (Wurselen, Germany) and Chunbo Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Voice Over Wifi (VoWifi) split Protocol Data Unit (PDU) Session handover is provided. In embodiments described herein, a VoWiFi session is established via a Non-3GPP N3IWF over a 5G Core, and a handover to 3GPP access through the 5G System is initiated. During handover and based on local configuration, the Packet Data Network Gateway-Cont...