Patent ID: 11932320
Assignee: NOKIA SOLUTIONS AND NETWORKS OY
Field: Transport (Mechanical engineering)
Classification: CPC B  H | IPC B  H

Claim 4:
5. A mobility management entity of an evolved packet core network, the mobility management entity comprising:
at least one processor; and
at least one memory including computer program code,
wherein the at least one memory and the computer program code is configured to, with the at least one processor, cause the mobility management entity at least to
receive an attach request from a user equipment to register the user equipment with the mobility management entity, wherein the attach request comprises user equipment capabilities related to a plurality of radio access technologies including evolved universal terrestrial radio access and 5G new radio;
determine an access restriction for the user equipment, wherein the access restriction restricts the user equipment from communicating using 5G new radio;
send an attach accept to the user equipment, the attach accept comprising an indication of the access restriction for the user equipment; and
transmit to an enhanced Node B an indication that the enhanced Node B is to not establish dual connectivity with 5G new radio for the user equipment.