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公开(公告)号：US20220377693A1
公开(公告)日：2022-11-24
申请号：US17788657
申请日：2020-12-24
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YASUO SUGAWARA , YUDAI KAWASAKI
Abstract: A UE transmits a registration request message including an S-NSSAI and receives a registration accept message including the S-NSSAI, a first cause value, and a first back-off timer value. The UE starts a back-off timer using the first back-off timer value corresponding to the S-NSSAI. In a case that the UE receives a configuration update command including the S-NSSAI, a second cause value, and a second back-off timer value before expiration of the back-off timer, the UE updates, in a case that the second back-off timer value indicates a value other than zero the back-off timer to be the second back-off timer value and stops, in a case that the second back-off timer value indicates zero, the back-off timer. In a case that the back-off timer expires or stops, the UE transmits the registration request message including the S-NSSAI or a PDU session establishment request message. This allows for provision of a communication unit for implementing a function related to management of a maximum number of UEs and/or a maximum number of PDU sessions connected for each network slice in a 5GS.
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公开(公告)号：US20250119968A1
公开(公告)日：2025-04-10
申请号：US18724634
申请日：2023-01-23
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YOKO KUGE , YASUO SUGAWARA , SHUICHIRO CHIBA , Masaki IZUMI
Abstract: In 5GS, provided is a communication unit for continuing services of a PDU session in a network slice in a case that the network slice is congested, a case that network performance of the network slice does not satisfy an SLA, or the like. In 5GS, provided are a method and a communication unit for a PDU session modification procedure, and/or a PDU session release procedure, and/or a PDU session establishment procedure, and/or a PDU session anchor change procedure, for implementing session and/or service continuity by changing a slice and changing PDU session anchor, in a case that a network slice is congested, a case that network performance of the network slice does not satisfy an SLA, or the like.
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公开(公告)号：US20250063482A1
公开(公告)日：2025-02-20
申请号：US18717408
申请日：2022-12-06
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YASUO SUGAWARA
Abstract: To clarify handling of rejected S-NSSAI that is rejected in a certain tracking area in a certain registration area and that is available in another tracking area in the registration area, behaviors of a UE and an NW for the rejected S-NSSAI, and the like. In a case that, in rejected NSSAI for a current tracking area in the UE, S-NSSAI is stored that is not available in the current tracking area in a current registration area and that is available in another tracking area in the current registration area, and the UE receives new allowed NSSAI for a current PLMN or SNPN, S-NSSAI included in the allowed NSSAI is deleted from the rejected NSSAI for the current tracking area in the UE.
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公开(公告)号：US20240147576A1
公开(公告)日：2024-05-02
申请号：US18107495
申请日：2023-02-08
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YASUO SUGAWARA , SHUICHIRO CHIBA , Masaki IZUMI
CPC classification number: H04W76/50 , H04W60/00 , H04W84/042
Abstract: A UE capable of performing communication via a satellite receives a wait range via a first satellite from a first PLMN. In a case that the UE becomes able to perform communication via a second satellite connected to a second PLMN after becoming unable to perform communication via the first satellite, the UE selects the second PLMN, generates a wait timer based on the wait range, and starts a timer using the wait timer. In a case that an emergency call is made during the timer is running, the UE stops the timer and performs a registration procedure for the emergency call. In a case that an emergency call is not made during the timer is running, the UE performs the registration procedure after the timer expires.
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公开(公告)号：US20210136589A1
公开(公告)日：2021-05-06
申请号：US16623652
申请日：2018-06-19
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor： YUDAI KAWASAKI , YASUO SUGAWARA , MASAFUMI ARAMOTO , TSUYOSHI TAKAKURA
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20200336964A1
公开(公告)日：2020-10-22
申请号：US16765410
申请日：2018-11-20
Applicant: SHARP KABUSHIKI KAISHA , FG Innovation Company Limited
Inventor： YUDAI KAWASAKI , YASUO SUGAWARA , SHUICHIRO CHIBA , MASAFUMI ARAMOTO
IPC: H04W36/32 , H04W36/14 , H04W8/08 , H04W48/16 , H04W48/18 , H04W88/06 , H04W60/00 , H04W76/18 , H04W76/27
Abstract: 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：US20250071830A1
公开(公告)日：2025-02-27
申请号：US18724635
申请日：2023-01-23
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YOKO KUGE , YASUO SUGAWARA , SHUICHIRO CHIBA , Masaki IZUMI
Abstract: In 5GS, provided is a communication unit for continuing services of a PDU session in a network slice in a case that the network slice is congested, a case that network performance of the network slice does not satisfy an SLA, or the like. In 5GS, provided are a method and a communication unit for a PDU session modification procedure, and/or a PDU session release procedure, and/or a PDU session establishment procedure, and/or a PDU session anchor change procedure, for implementing session and/or service continuity by changing a slice and changing PDU session anchor, in a case that a network slice is congested, a case that network performance of the network slice does not satisfy an SLA, or the like.
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公开(公告)号：US20240237093A1
公开(公告)日：2024-07-11
申请号：US18116852
申请日：2023-03-03
Applicant: SHARP KABUSHIKI KAISHA
Inventor： SHUICHIRO CHIBA , YASUO SUGAWARA
Abstract: A user equipment (UE) operates as an area airspace manager (AAM) to receive information, regarding Detect-And-Avoid (DAA) support of an uncrewed aerial vehicle (UAV), transmitted from the UAV or a network. A technique to perform appropriate processing of an establishment of a direct communication path for the DAA support with the UAV based on the reception of the information.
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公开(公告)号：US20240121589A1
公开(公告)日：2024-04-11
申请号：US18271937
申请日：2022-01-14
Applicant: SHARP KABUSHIKI KAISHA
Inventor： SHUICHIRO CHIBA , YASUO SUGAWARA , YUDAI KAWASAKI , YOKO KUGE
IPC: H04W8/08
CPC classification number: H04W8/08
Abstract: A unit is provided through an application of a disaster condition to a PLMN in 5GS, the unit being for transmitting and/or receiving a notification in a case that a communication service cannot be provided to a UE and for selecting a roaming destination PLMN by the UE. Provided are a procedure to allow the UE to recognize a state of a certain PLMN and transmit and/or receive information for appropriately selecting a PLMN as a moving destination in a case that a disaster condition applies or no longer applies to the certain PLMN, a method of selecting a PLMN based on information received and stored by the UE through a notification from the PLMN or the like, and a communication unit.
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公开(公告)号：US20240114587A1
公开(公告)日：2024-04-04
申请号：US18267865
申请日：2021-12-22
Applicant: SHARP KABUSHIKI KAISHA
Inventor： YOKO KUGE , YASUO SUGAWARA , YUDAI KAWASAKI , SHUICHIRO CHIBA , Masaki IZUMI , MASAFUMI ARAMOTO
IPC: H04W76/28
CPC classification number: H04W76/28
Abstract: A User Equipment (UE) includes transmission and reception circuitry, and a controller, wherein while one or more Tsor-cm timers are running, and upon receiving a new Steering of roaming connected mode control information (SOR-CMCI), the controller sets a Tsor-cm timer value for an associated PDU session or service to a timer value in the new SOR-CMCI.
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