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User equipment, control apparatus, and communication control method

專利號
US11612004B2
公開日期
2023-03-21
申請人
SHARP KABUSHIKI KAISHA; FG Innovation Company Limited(JP Sakai HK Tuen Mun)
發(fā)明人
Yudai Kawasaki; Masafumi Aramoto
IPC分類
H04W76/10; H04W76/30; G16Y10/75; H04W60/00; H04W84/12
技術(shù)領(lǐng)域
ciot,ue,5gs,pdu,session,ladn,may,message,amf,procedure
地域: Sakai

摘要

Provided is a communication unit configured to allow a function for CIoT to be used even in a 5GS that supports a network-initiated configuration update procedure and a plurality of types of session and service continuities. Further provided is a communication unit configured to appropriately manage, by a user equipment, connection established between the user equipment and a network even in a case that a network-initiated change of a state of the user equipment has been performed. Thereby, the communication unit for implementing the function for CIoT in the 5GS and the communication unit for implementing a network-initiated procedure of changing the state of the user equipment are provided.

說明書

The third condition determination may be executed based on the PDU session establishment request message, pieces of identification information included in the PDU session establishment request message, subscriber information, capability information of the network, an operator policy, the state of the network, registration information of a user, context stored in the SMF, and/or the like. For example, the third condition determination may be true in a case where the network permits a request of the UE. The third condition determination may be false in a case where the network does not permit a request of the UE. The third condition determination may be true in a case where the network as a connection destination of the UE and/or an apparatus in the network supports a function requested by the UE, and the third condition determination may be false in a case where the network does not support the function requested by the UE. The third condition determination may be true in a case where identification information to be transmitted and/or received is permitted, and the third condition determination may be false in a case where the identification information to be transmitted and/or received is not permitted. It is noted that conditions for determining whether the third condition determination is true or false may not be limited to the previously-disclosed conditions.

Actions in a case where the third condition determination is true, specifically actions of procedure (A) of FIG. 7 will be disclosed. The SMF selects an UPF which is an establishment destination of a PDU session, transmits a session establishment request message to the selected UPF via the N4 interface (S906), and initiates procedure (A) of FIG. 7.

權(quán)利要求

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