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公开(公告)号：US20230354178A1
公开(公告)日：2023-11-02
申请号：US18129064
申请日：2023-03-30
Applicant: MEDIATEK INC.
Inventor： Yuan-Chieh Lin , Chia-Lin Lai
Abstract: A method for handling updated NPN configuration received via downlink Non-Access Stratum (DL NAS) signaling from a first non-hosting network is provided. In one embodiment, a UE receives an updated CAG related configuration containing one or more CAG(s) associated with (time) validity information. The UE enters the state PLMN-SEARCH and applies a network selection process with the updated CAG related configuration. The UE selects and registers to a second hosting network with one or more CAG(s) included in the updated CAG related configuration and configured with associated (time) validity information, and (time) validity criteria are met.
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公开(公告)号：US20230354175A1
公开(公告)日：2023-11-02
申请号：US18129050
申请日：2023-03-30
Applicant: MEDIATEK INC.
Inventor： Chia-Lin Lai , Yuan-chieh Lin
CPC classification number: H04W48/18 , H04W48/04 , H04W84/042
Abstract: A method of enhanced manual network selection mode for access localized services in NPN is proposed. If an SNPN is available and included in the UE-stored configuration for SNPN selection, the UE presents to the user whether the SNPN is associated with validity information and whether the corresponding validity criteria are met. If a CAG cell in a PLMN broadcasting a CAG-ID is available and included in the (Allowed) CAG list of the UE-stored CAG related configuration of the PLMN, the UE presents to the user whether the CAG-ID is associated with validity information and whether the corresponding validity criteria are met, e.g., whether the CAG-ID is authorized based on the (Allowed) CAG list.
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公开(公告)号：US20230354167A1
公开(公告)日：2023-11-02
申请号：US18129058
申请日：2023-03-30
Applicant: MEDIATEK INC.
Inventor： YUAN-CHIEH LIN , Chia-Lin Lai
Abstract: A method of handling updated CAG related configuration is proposed. UE receives an updated CAG related configuration in a DL NAS message via a CAG cell, which broadcasts a list of supported CAG-IDs of the current network. UE may also receive an updated CAG related configuration in a DL NAS message via a non-CAG cell of the current network. The UE examines the list of allowed CAG-IDs in the updated CAG related configuration, determines whether they are supported by the CAG cell, whether they are associated with validity information, whether the validity criteria are met, whether the UE is ONLY allowed to access 5GS via CAG cells, and whether the UE has any emergency PDU session. Depending on the determination, the UE then either enters LIMITED-SERVICE and search for suitable cell in the current network, or enters PLMN-SEARCH state and applies PLMN selection process.
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公开(公告)号：US11683749B2
公开(公告)日：2023-06-20
申请号：US17365018
申请日：2021-07-01
Applicant: MEDIATEK INC.
Inventor： Chia-Lin Lai , Chien-Chun Huang-Fu , Yuan-Chieh Lin , Guillaume Sebire
CPC classification number: H04W48/18 , H04W48/16 , H04W84/042
Abstract: Aspects of the disclosure provide methods and apparatuses. The method can include receiving, at a user equipment (UE), system information broadcast from a base station which may be shared by one or more PLMNs and SNPNs, the system information including an indication of whether accessing an SNPN using home service provider (HSP) subscription of a HSP network is supported. The UE can be configured with subscription information of the HSP network. The subscription information can include the HSP subscription and a home SP selection list that includes one or more candidate networks each represented by an SNPN identifier. The method can further include responsive to the system information, selecting a network from the home SP selection list according to a priority order of the candidate networks, and accessing the network selected from the home SP selection list using the HSP subscription.
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公开(公告)号：US20220240210A1
公开(公告)日：2022-07-28
申请号：US17559028
申请日：2021-12-22
Applicant: MEDIATEK INC.
Inventor： Chia-Lin Lai , Yuan-Chieh Lin , Chien-Chun Huang-Fu , Guillaume Sebire , Marko Niemi
Abstract: A method to facilitate onboarding registration via an onboarding network (ON) that is a stand-alone non-public network (ON-SNPN) is proposed. A UE is preconfigured with default UE credentials for Onboarding. UE discovers and selects an ON-SNPN and registers to the ON-SNPN using default UE credentials. Both user plane (UP) and control plane (CP) provisioning procedure can be used to obtain the SNPN credentials from a subscriber owner (SO) via an ON-SNPN access connectivity. In accordance with one novel aspect, when UE sends a registration request for UE onboarding registration, the registration request comprises information for registration type (e.g., SNPN ONBOARDING), and UE supported provisioning procedure (e.g., CP, UP, or both). Upon successful registration, UE follows the supported provisioning procedure (i.e., CP or UP) decided by the ON-SNPN to obtain the SNPN credentials from the SO-SNPN via the ON-SNPN access connectivity to a Provisioning Server (PVS).
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Patent Agency Ranking
公开(公告)号：US20220124497A1
公开(公告)日：2022-04-21
申请号：US17474886
申请日：2021-09-14
Applicant: MEDIATEK INC.
Inventor： Yuan-Chieh Lin , Chien-Chun Huang-Fu , Chia-Lin Lai
Abstract: A method of enhanced handling of a Forbidden SNPN list by a UE is proposed. When the UE registers to a first SNPN using credentials supplied by a second SNPN and receives a rejection from the network, the UE adds an entry of the first SNPN into one of the forbidden SNPN lists, and also creates an association between the first SNPN and the second SNPN. As a result, the UE is refrained from registering to the first SNPN using the credentials supplied by the second SNPN as long as the first SNPN entry remains in the forbidden SNPN list. However, the UE is allowed to register to the first SNPN using credentials supplied by other SNPNs.
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公开(公告)号：US11265767B2
公开(公告)日：2022-03-01
申请号：US16903568
申请日：2020-06-17
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chia-Lin Lai
Abstract: A method of handling multi-access (MA) Protocol data unit (PDU) session under inter-system change is proposed. An MA PDU session uses one 3GPP access network or one non-3GPP access network at a time, or simultaneously one 3GPP access network and one non-3GPP access network. The UE and network can support Access Traffic Steering Switching and Splitting (ATSSS) functionalities to distribute traffic over 3GPP access and non-3GPP access for the established MA PDU session. Upon intersystem change from 5GS to EPS over the 3GPP access, the 3GPP part of an MA PDU session is transferred to a PDN connection, and the non-3GPP part of the MA PDU session is released. The QoS flows of the MA PDU session over both 3GPP access type and non-3GPP access type are transferred to the EPS bearer contexts of the corresponding PDN connection.
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公开(公告)号：US11228997B2
公开(公告)日：2022-01-18
申请号：US16903589
申请日：2020-06-17
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chia-Lin Lai
Abstract: A method of handling multi-access (MA) Protocol data unit (PDU) session under inter-system change is proposed. An MA PDU session uses one 3GPP access network or one non-3GPP access network at a time, or simultaneously one 3GPP access network and one non-3GPP access network. The UE and network can support Access Traffic Steering Switching and Splitting (ATSSS) functionalities to distribute traffic over 3GPP access and non-3GPP access for the established MA PDU session. Upon intersystem change from 5GS to EPS over the 3GPP access, if interworking with EPS is not supported, the MA PDU session is maintained in 5GS over the non-3GPP access type. Data traffic over of the MA PDU session over the 3GPP access type is transferred to the non-3GPP access type.
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公开(公告)号：US20210092664A1
公开(公告)日：2021-03-25
申请号：US17110462
申请日：2020-12-03
Applicant: MEDIATEK INC.
Inventor： Chia-Lin Lai , Chien-Chun Huang-Fu
Abstract: A method of handling multi-access (MA) Protocol data unit (PDU) session handover is proposed. A UE and network can support Access Traffic Steering Switching and Splitting (ATSSS) functionalities to distribute traffic over 3GPP access and non-3GPP access for the established MA PDU session. An ATSSS-Supported UE first establishes a MA PDU Session on both 3GPP and non-3GPP access in a currently registered PLMN which is an ATSSS-Supported network. The UE then moves from the ATSSS-Supported network to an ATSSS-not-Supported network and finally reaches another ATSSS-Supported network. In one novel aspect, a solution is provided on how to handle the ongoing MA PDU Session with two accesses under handover scenarios between ATSSS-Supported and ATSSS-not-Supported networks. Furthermore, if the ongoing MA PDU Session cannot handover, a solution is provided on how to handle the MA PDU Session.
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公开(公告)号：US20210051562A1
公开(公告)日：2021-02-18
申请号：US16930040
申请日：2020-07-15
Applicant: MEDIATEK INC.
Inventor： Chien-Chun Huang-Fu , Chia-Lin Lai
IPC: H04W40/02 , H04L12/725 , H04W76/10
Abstract: A method for evaluation of UE route selection policy (URSP) rules is proposed. URSP is used by a UE to determine if a detected application can be associated to an established PDU session, can be offloaded to non-3GPP access outside a PDU session, or can trigger the establishment of a new PDU session. The UE first finds a non-default URSP rule with a matching traffic descriptor to the application. Then, the UE selects a route selection descriptor including a preferred access type from a list of RSDs of the non-default URSP rule. After that, the UE matches or establishes a Protocol Data Unit (PDU) session for the application by ignoring the preferred access type or using the preferred access type.
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