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AssigneeElectronics and Telecommunications Research Institute
InventorsSoohwan Lee, Dongmyoung Kim, Myung Ki Shin
Estimating the term…
Provided is a service request method performed by an SMF device, including receiving, by an AMF device, an N2 message including a service request message from an access network, and receiving an Nsmf_PDUSession_UpdateSMContext request message including a PDU session ID and location information and an access type of a UE from the AMF device; verifying selection criteria of a UPF device based on the received location information of the UE and determining whether to use a new UPF device or an old UPF device; and sending an Nsmf_PDUSession_UpdateSMContext response message including information on a PDU session ID with the new UPF device or the old PUF device based on the determining. The access network is configured to receive, from the AMF device, an N2 request message including an MM NAS service accept and the access network is configured to perform a service through an RRC connection reconfiguration with the UE.
A service request method performed by a session management function (SMF) device, the method comprising:
A service request method performed by a new user plane function (UPF) device, the method comprising:
A service request method comprising:
Dependencies are inferred from the claim text.