Patent ID: 11943819
Assignee: NEC CORPORATION
Field: Digital communication (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 15:
16. A method of a radio teminal, the method comprising:
supporting a first Cellular Internet of Things (CIoT) architecture which enables the radio terminal to transport user data over a control plane;
supporting a second CIoT architecture which enables the radio terminal to transport user data over user plane; and
transmitting to a radio station a Radio Resource Control (RRC) Connection Setup Complete message including an information elemeent indicating to the radio station tht the radio terminal suports the second CIoT architecture,
wherein the RRC Connection Setup Complete message further includes a Non-Access Stratum (NAS) message, the NAS message being different from the information element, and
wherein the information element is Access Stratum (AS) layer information and is not included in the NAS message.