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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 SMF may transmit the PDU session establishment reject message to indicate that a request of the UE according to the PDU session establishment request has been rejected. The SMF may transmit information indicating the reason of the rejection in the PDU session establishment reject message, or may indicate the reason of the rejection by transmitting the reason of the rejection. The UE may recognize the reason that a request of the UE has been rejected by receiving information indicating the reason of the rejection. The reason of the rejection may indicate that contents of the identification information received by the SMF are not permitted.

The UE can receive the PDU session establishment reject message to recognize that a request of the UE according to the PDU session establishment request message has been rejected and recognize contents of various kinds of identification information included in the PDU session establishment reject message.

Each of the apparatuses completes the PDU session establishment procedure based on the completion of procedure (A) or (B) of FIG. 7. Each of the apparatuses may transition to a state where a PDU session has been established, based on the completion of procedure (A) of FIG. 7, or may recognize that the PDU session establishment procedure has been rejected or may transition to a state where a PDU session has not been established, based on the completion of procedure (B) of FIG. 7. The UE can communicate with a DN using the established PDU session by completing procedure (A) of FIG. 7.

權(quán)利要求

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