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    Network selection in a non-terrestrial network
    4.
    发明授权
    Network selection in a non-terrestrial network 有权

    公开(公告)号：US12120624B2

    公开(公告)日：2024-10-15

    申请号：US17660230

    申请日：2022-04-22

    Applicant: Apple Inc.

    Inventor： Roland Gruber ,  Robert Zaus

    IPC: H04W60/00 ,  H04B7/185 ,  H04W4/021 ,  H04W48/10 ,  H04W84/04

    CPC classification number: H04W60/00 ,  H04B7/18513 ,  H04W4/021 ,  H04W48/10 ,  H04W84/042

    Abstract: A user equipment (UE) is configured to receive broadcast information from a public land mobile network (PLMN) including at least a PLMN identifier (ID), attempt a registration with the PLMN by sending a registration request to the PLMN, wherein the UE attempts the registration via a base station operated by the PLMN deployed in a non-terrestrial network (NTN) arrangement including a non-terrestrial component configured to provide services to the UE via a service link, receive a message including a cause code indicating the PLMN is not allowed to operate at a current UE location and further including a set of attributes indicating further conditions wherein the registration with the PLMN is not allowed and avoid further registration attempts with the PLMN when the further conditions are met.

    Public land mobile network selection for disaster roaming
    6.
    发明授权
    Public land mobile network selection for disaster roaming 有权

    公开(公告)号：US12052643B2

    公开(公告)日：2024-07-30

    申请号：US17554674

    申请日：2021-12-17

    Applicant: Apple Inc.

    Inventor： Sudeep Manithara Vamanan ,  Robert Zaus ,  Haijing Hu ,  Krisztian Kiss ,  Roland Gruber

    IPC: H04W4/90 ,  H04W8/12 ,  H04W48/20 ,  H04W84/04

    CPC classification number: H04W4/90 ,  H04W8/12 ,  H04W48/20 ,  H04W84/042

    Abstract: Some embodiments include an apparatus, method, and computer program product for public land mobile network (PLMN) selection for disaster roaming in a 5G wireless communications system. A user equipment (UE) can receive two or more messages that disaster roaming service is offered by two or more forbidden public land mobile networks (PLMNs) of a forbidden PLMN list of the UE. The UE can select a first forbidden PLMN of the two or more forbidden PLMNs, where the first forbidden PLMN corresponds to a highest priority PLMN of a preferred PLMN list of the UE, and establish communications, via the transceiver, with the first forbidden PLMN. Some embodiments include designating a forbidden PLMN as offering a disaster roaming PLMN for manual selection. Some embodiments include enabling a Closed Access Group (CAG)-capable UE to access disaster roaming services from a forbidden PLMN of a CAG-only cell or a 5G cell.

    Mobile radio communication system
    7.
    发明授权
    Mobile radio communication system 有权

    公开(公告)号：US11057812B2

    公开(公告)日：2021-07-06

    申请号：US16523576

    申请日：2019-07-26

    Applicant: Apple Inc.

    Inventor： Roland Gruber

    IPC: H04W36/14

    Abstract: A mobile radio communication system having a mobile radio communication network and a mobile radio subscriber appliance, wherein a unit in the network layer of the core network of the mobile radio communication network is configured to transmit to the mobile radio subscriber appliance a first message, based on an occurrence of a predetermined event, with a request for a statement which describes at least one radio characteristic of the mobile radio subscriber appliance.

    Handling of timer expiry for MT CSFB
    8.
    发明授权
    Handling of timer expiry for MT CSFB 有权

    公开(公告)号：US11044786B2

    公开(公告)日：2021-06-22

    申请号：US16489222

    申请日：2018-06-27

    Applicant: APPLE INC.

    Inventor： Nitin Kuppelur ,  Deepak Dash ,  Robert Zaus ,  Roland Gruber

    IPC: H04W88/02 ,  H04W76/25 ,  H04W4/029 ,  H04W76/38 ,  H04W8/06 ,  H04W8/08 ,  H04W8/24 ,  H04W68/00

    Abstract: Apparatuses and computer-readable storage media for handling timers for mobile terminated circuit-switched fallback (MT CSFB) calls. An apparatus for a user equipment (UE) includes processing circuitry operably coupled to a data storage device. The data storage device is configured to store a value of an extended service request for mobile terminated services (EXT-MT) timer. The value of the EXT-MT timer is less than a value of a guard timer of a Visitor Location Register (VLR). The processing circuitry is configured to start the EXT-MT timer and generate an extended service request message to be transmitted to a Mobility Management Entity (MME) responsive to a paging for an MT CSFB call, and attempt to select a radio access technology of a different type of network if the EXT-MT timer expires before the UE successfully performs inter system change and a circuit switched fallback cancellation request was not received from a subscriber.

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