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公开(公告)号：US20220225459A1
公开(公告)日：2022-07-14
申请号：US17607749
申请日：2020-05-05
申请人： NTT DOCOMO, INC.
IPC分类号： H04W76/18
摘要： According to one embodiment, a communication network component is described comprising a receiver configured to receive a request for a communication service of a local area data network from a mobile terminal and a controller configured to reject the request if the mobile terminal is located in a part of the local area data network that requires an intermediate session management function to serve the mobile terminal.
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公开(公告)号：US20220248273A1
公开(公告)日：2022-08-04
申请号：US17607721
申请日：2020-05-06
申请人： NTT DOCOMO, INC.
IPC分类号： H04W36/00
摘要： A method for managing wireless communications after inserting an intermediate-session management function I-SMF to communicate between an access and mobility management function AMF and one or more session management functions SMFs, the method including: receiving, at the I-SMF, a session request (604) from the AMF, the session request comprising an SMF information, and forwarding (606) the session request to at least one SMF of the one or more SMFs based on the SMF information; receiving, at the I-SMF, a response (610) to the session request from the at least one SMF, the response comprising a first subscription information for at least one event subscription, and creating a first identification based on the first subscription information; and transmitting (614), from the I-SMF, the first identification to the AMF to trigger the AMF to change an address for the at least one event subscription from the at least one SMF to the I-SMF.
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公开(公告)号：US10993068B2
公开(公告)日：2021-04-27
申请号：US16325753
申请日：2017-06-02
申请人： NTT DOCOMO, INC.
发明人： Takuya Shimojou , Masayoshi Shimizu , Atsushi Minokuchi , Shigeru Iwashina , Malla Reddy Sama , Srisakul Thakolsri , Wolfgang Kiess , Riccardo Guerzoni
摘要： A common C-Plane control node includes a change request acquiring unit that acquires a change request relating to changing of a communication path relating to a UE, a determination unit that determines whether or not the UE has set up the communication path in each of control nodes of a plurality of slices using information included in the change request acquired by the change request acquiring unit, and a communication processing unit that performs a process relating to changing of a communication path while forming a state in which the communication path before change and the communication path after change coexist for each of a plurality of communication paths in a case in which the determination unit determines that the UE has set up the communication path in each of the plurality of slices.
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公开(公告)号：US20220394580A1
公开(公告)日：2022-12-08
申请号：US17764444
申请日：2019-10-04
申请人： NTT DOCOMO, INC.
摘要： An access control apparatus including: a reception unit; and a control unit configured to store, in a buffer, data transmitted from a terminal from when the reception unit receives a first message indicating that an application server is to be switched until when the reception unit receives a second message indicating move completion of an application context.
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公开(公告)号：US11445420B2
公开(公告)日：2022-09-13
申请号：US16610354
申请日：2018-05-02
申请人： NTT DOCOMO, INC.
摘要： UE (50) includes a mapping information retaining unit (57) that retains association information in which a type of EPS bearer configured in 4G and a type of QoS flow that corresponds to the service quality and is configured in 5G are associated, and a handover executing unit (59) that acquires, by using the association information, association between the EPS bearer configured by the UE (50) and the QoS flow configured by the UE (50), and executes handover between the EPS bearer and the QoS flow associated with each other.
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公开(公告)号：US11323976B2
公开(公告)日：2022-05-03
申请号：US16611660
申请日：2018-05-08
申请人： NTT DOCOMO, INC.
摘要： A radio communication method according to the present invention supports Dual registration in which the same UE (50) is simultaneously registered on 4G and 5G. The radio communication method includes the UE (50) requesting connection to EPC and transmitting, to the 4G, Attach Request that includes Dual registration indication that indicates that the UE (50) has been dually registered, and MME (100) that constitutes the 4G notifying, after the Attach Request has been acquired, HSS (110) of the Dual registration indication that indicates that the UE (50) has been dually registered.
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公开(公告)号：US20190182733A1
公开(公告)日：2019-06-13
申请号：US16325753
申请日：2017-06-02
申请人： NTT DOCOMO, INC.
发明人： Takuya Shimojou , Masayoshi Shimizu , Atsushi Minokuchi , Shigeru Iwashina , Malla Reddy Sama , Srisakul Thakolsri , Wolfgang Kiess , Riccardo Guerzoni
摘要： A common C-Plane control node includes a change request acquiring unit that acquires a change request relating to changing of a communication path relating to a UE, a determination unit that determines whether or not the UE has set up the communication path in each of control nodes of a plurality of slices using information included in the change request acquired by the change request acquiring unit, and a communication processing unit that performs a process relating to changing of a communication path while forming a state in which the communication path before change and the communication path after change coexist for each of a plurality of communication paths in a case in which the determination unit determines that the UE has set up the communication path in each of the plurality of slices.
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公开(公告)号：US20200092780A1
公开(公告)日：2020-03-19
申请号：US16610354
申请日：2018-05-02
申请人： NTT DOCOMO, INC.
摘要： UE (50) includes a mapping information retaining unit (57) that retains association information in which a type of EPS bearer configured in 4G and a type of QoS flow that corresponds to the service quality and is configured in 5G are associated, and a handover executing unit (59) that acquires, by using the association information, association between the EPS bearer configured by the UE (50) and the QoS flow configured by the UE (50), and executes handover between the EPS bearer and the QoS flow associated with each other.
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公开(公告)号：US12075251B2
公开(公告)日：2024-08-27
申请号：US17601246
申请日：2020-02-04
申请人： NTT DOCOMO, INC.
CPC分类号： H04W12/10 , H04W12/06 , H04W12/08 , H04W84/042
摘要： A network node includes a receiving unit configured to receive, from a management node, information for improving security of communication between network nodes, and a control unit configured to receive a request transmitted from a first network node arranged in a first PLMN (Public Land Mobile Network) based on the information for improving security, and transmit the request to a second network node arranged in a second PLMN.
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公开(公告)号：US12058580B2
公开(公告)日：2024-08-06
申请号：US17764444
申请日：2019-10-04
申请人： NTT DOCOMO, INC.
摘要： An access control apparatus including: a reception unit; and a control unit configured to store, in a buffer, data transmitted from a terminal from when the reception unit receives a first message indicating that an application server is to be switched until when the reception unit receives a second message indicating move completion of an application context.
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