Keep alive interval fallback
    2.
    发明授权

    公开(公告)号:US10321510B2

    公开(公告)日:2019-06-11

    申请号:US15702921

    申请日:2017-09-13

    Applicant: Apple Inc.

    Abstract: Methods and user equipment devices (UEs) are disclosed for performing keep alive interval fallback. During an active connection with a remote network, a UE may operate in a steady state configuration wherein keep alive message are periodically sent to the remote network. The UE may determine that a keep alive message has failed to receive an acknowledgement (ACK) response. Based on the determination that the keep alive message has failed, the UE may trigger keep alive interval fallback, wherein the UE sends keep alive messages at a shorter duration for a predetermined period of time.

    Suspended Baseband State
    6.
    发明申请

    公开(公告)号:US20180352587A1

    公开(公告)日:2018-12-06

    申请号:US15702978

    申请日:2017-09-13

    Applicant: Apple Inc.

    Abstract: A user equipment (UE) device and associated methods for entering a suspended baseband state in response to a signal strength indicator falling below a threshold. A UE engages in an active connection with a remote server, which may be a transmission control protocol (TCP) push connection. A baseband layer of the UE determines that the signal strength indicator has fallen below a threshold, and transmits a notification to an application layer of the UE to suspend the connection. The baseband layer may later determine that the signal strength has risen above a second threshold, whereby the UE may resume the suspended connection. The UE may maintain state information associated with the connection during the suspended state, such that the UE may resume the suspended connection without reestablishing a new connection with the remote server.

    Suspended baseband state
    8.
    发明授权

    公开(公告)号:US10588170B2

    公开(公告)日:2020-03-10

    申请号:US15702978

    申请日:2017-09-13

    Applicant: Apple Inc.

    Abstract: A user equipment (UE) device and associated methods for entering a suspended baseband state in response to a signal strength indicator falling below a threshold. A UE engages in an active connection with a remote server, which may be a transmission control protocol (TCP) push connection. A baseband layer of the UE determines that the signal strength indicator has fallen below a threshold, and transmits a notification to an application layer of the UE to suspend the connection. The baseband layer may later determine that the signal strength has risen above a second threshold, whereby the UE may resume the suspended connection. The UE may maintain state information associated with the connection during the suspended state, such that the UE may resume the suspended connection without reestablishing a new connection with the remote server.

    Keep Alive Interval Fallback
    9.
    发明申请

    公开(公告)号:US20180352586A1

    公开(公告)日:2018-12-06

    申请号:US15702921

    申请日:2017-09-13

    Applicant: Apple Inc.

    CPC classification number: H04W76/25 H04W52/0254 H04W52/0261 H04W76/38

    Abstract: Methods and user equipment devices (UEs) are disclosed for performing keep alive interval fallback. During an active connection with a remote network, a UE may operate in a steady state configuration wherein keep alive message are periodically sent to the remote network. The UE may determine that a keep alive message has failed to receive an acknowledgement (ACK) response. Based on the determination that the keep alive message has failed, the UE may trigger keep alive interval fallback, wherein the UE sends keep alive messages at a shorter duration for a predetermined period of time.

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