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公开(公告)号：US12052783B2
公开(公告)日：2024-07-30
申请号：US17295228
申请日：2019-11-15
发明人： Yudai Kawasaki , Masafumi Aramoto , Yasuo Sugawara
摘要： The present invention provides a communication method for realizing a function for URLLC that requires high-reliability and/or low-latency communication in a 5GS. A user apparatus can provide a communications method capable of realizing a URLLC function in a 5GS by performing the communication method, which comprises: receiving, in a registration procedure, a registration accept messages including DNN and S-NSSAI for URLLC; receiving, in a first PDU session establishment procedure, a PDU session establishment accept messages including information indicating that an SSC mode for a PDU session for URLLC is SSC mode 1; and transmitting, in a second PDU session establishment procedure, a PDU session establishment request messages including information indicating that the SSC mode for the PDU session for URLLC is SSC mode 1.
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公开(公告)号：US11612004B2
公开(公告)日：2023-03-21
申请号：US17045643
申请日：2019-04-09
发明人： Yudai Kawasaki , Masafumi Aramoto
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.
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公开(公告)号：US11601990B2
公开(公告)日：2023-03-07
申请号：US17054765
申请日：2019-05-09
摘要： A User Equipment (UE) includes: a transmitter configured to transmit, in a case that a timer is running for a piece of Single Network Slice Selection Assistance Information (S-NSSAI) at a time when a Public Land Mobile Network (PLMN) is changed, a Protocol Data Unit (PDU) session establishment request message for an identical piece of S-NSSAI in a changed PLMN without stopping the timer. This configuration allows for provision of a communication control method for the terminal to apply congestion managements expected by the network to the congestion managements applied by the network in 5G congestion management to which multiple congestion managements are applied.
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公开(公告)号：US11405842B2
公开(公告)日：2022-08-02
申请号：US16765410
申请日：2018-11-20
IPC分类号： H04W36/32 , H04W76/18 , H04W76/27 , H04W8/08 , H04W36/14 , H04W48/16 , H04W48/18 , H04W60/00 , H04W88/06 , H04W92/24
摘要： A communication measure is provided that causes a PDU session established in a 5GS to return to the PDU session in an original state after the PDU session established in the 5GS is moved (handed over) to an EPS and then moved (handed over) to the 5GS again. In addition, according to the present invention, a communication measure is provided that causes a PDN connection established in the EPS to return to the PDN connection in an original state after the PDN connection established in the EPS is moved (handed over) to the 5GS and then again moved (handed over) to the EP. In addition, according to the present invention, a communication measure is provided that allows smooth mobility of the UE in an idle mode between the 5GS and the EPS. Further, a communication measure is provided that performs a handover between the 5GS and the EPS smoothly.
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公开(公告)号：US11343678B2
公开(公告)日：2022-05-24
申请号：US16623652
申请日：2018-06-19
摘要： A terminal apparatus or a device in a core network exchanges capability information for each function in a registration procedure or a PDU session establishment procedure, and in user data communication additional information is added into an uplink packet to implement terminal apparatus-initiated RQoS control, and additional information is added into a downlink packet to implement network device-initiated RQoS control. A dedicated control message and information for an authentication and/or authorization function by a DN are defined to implement the authentication and/or authorization function by the DN. Furthermore, the terminal apparatus and the device in the core network have a timer or a control process for each network slice to implement a management process such as congestion management for each network slice. This provides a communication control method in order to implement the terminal apparatus-initiated or network-initiated RQoS control, implement the authentication and/or authorization function by the DN, and implement the management process such as congestion management for each network slice.
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公开(公告)号：US11310857B2
公开(公告)日：2022-04-19
申请号：US16895645
申请日：2020-06-08
发明人： Yudai Kawasaki , Masafumi Aramoto
摘要： To provide a communication control means for establishing a session suitable for a terminal apparatus connecting to multiple access networks of various kinds and a network apparatus, a user data communication control means suitable for a terminal apparatus that has established sessions via multiple access networks and a network apparatus, and the like. This provides a communication control means suitable for a terminal apparatus and a network apparatus that support connection to multiple access networks of various kinds.
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公开(公告)号：US11252781B2
公开(公告)日：2022-02-15
申请号：US17045935
申请日：2019-04-09
摘要： A User Equipment (UE) including a controller configured to perform, in a case of failure of a connection attempt for a first emergency call that uses a Packet Switched (PS) domain, a connection attempt for a second emergency call that uses the PS domain, a transmission and/or reception unit configured to receive a service reject message due to the failure of the connection attempt for the first emergency call, wherein the UE uses a first access network for the connection attempt for the first emergency call, and the UE uses a second access network for the connection attempt for the second emergency call. Accordingly, a user equipment, a core network apparatus, a control method to be performed by an IMS apparatus, and the like are provided for the user equipment to connect to a network suitable for an emergency call service in 5th generation (5G) mobile communication system, which is a next-generation mobile communication system.
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公开(公告)号：US11178711B2
公开(公告)日：2021-11-16
申请号：US16346365
申请日：2017-11-06
发明人： Yoko Kuge , Yudai Kawasaki , Masafumi Aramoto
IPC分类号： H04W76/15 , H04W60/04 , H04W76/11 , H04W48/02 , H04W48/12 , H04W48/14 , H04W48/16 , H04W48/18
摘要： Provided is a communication control method for optimally managing control information of a terminal apparatus capable of connecting to various kinds of core networks, a device communication controller for a network capable of connecting to the terminal apparatus, a configurator for configuring control information relating to communication of each device, a communication controller for updating configuration information relating to communication stored by each device, and the like, in the terminal apparatus and the network. This provides a communication controller suitable for a communication system and a terminal apparatus that support configurations of various kinds of core networks.
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公开(公告)号：US11172528B2
公开(公告)日：2021-11-09
申请号：US16324910
申请日：2017-08-09
摘要： Provided are, for example: a communication controller configured to establish a suitable session for a terminal apparatus and a network apparatus that are connected to a wide variety of multiple access networks; a user-data communication controller that is suitable for a terminal apparatus and a network apparatus establishing a session via multiple access networks. Hence, the NextGen has studied the optimization of session management for the mobile communication service between a terminal apparatus and a network apparatus. Provided is a communication controller suitable for a terminal apparatus and network apparatus supporting the connection to a wide variety of multiple access networks.
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公开(公告)号：US11140599B2
公开(公告)日：2021-10-05
申请号：US16339651
申请日：2017-08-14
发明人： Shuichiro Chiba , Yudai Kawasaki , Masafumi Aramoto , Yoko Kuge
摘要： Provided are a terminal apparatus capable of connecting to various core networks, a communication controller suitable for a device in a network connectable to the terminal apparatus, a communication controller for changing a core network to which the terminal apparatus is connected, a communication controller for switching a session established by the terminal apparatus to a session with another core network, and the like. This provides the terminal apparatus supporting a switch of connectivity between multiple core networks, and a communication controller suitable for the device in the network connectable with the terminal apparatus.
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