Patent ID: 11895541
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A wireless device configured to operate in first and second access networks, the first and second access networks respectively providing access to first and second core networks of different types, a first wireless communication network comprises the first access network and the first core network, and a second wireless communication network comprises the second access network and the second core network, the wireless device comprising:
communication circuitry; and
processing circuitry configured to receive, from the first access network, control signaling indicating that the wireless device is to suspend a connection with the first access network and indicating a notification area within which the wireless device is allowed to move without notifying either the first and second wireless communication networks, the control signaling indicating that the notification area includes one or more areas of the first wireless communication network and one or more areas of the second wireless communication network;
suspend the connection with the first access network according to the control signaling; and
transmit or not transmit to the second access network signaling indicating that the wireless device one of is in an area of the second wireless communication network and that the wireless device requests a connection to the second access network, depending on whether the area of the second wireless communication network in which the wireless device is located is included in the notification area;
start a timer upon the wireless device one of entering, camping in, and moving into the area of the second wireless communication network, and one of:
if the area is not included in the notification area, transmit the signaling upon expiry of the timer; and
refrain from transmitting the signaling if the area is not included in the notification but the timer does not expire.