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    Secure connection release and network redirection
    282.
    发明授权
    Secure connection release and network redirection 有权

    公开(公告)号：US10051473B2

    公开(公告)日：2018-08-14

    申请号：US15671614

    申请日：2017-08-08

    Applicant: Apple Inc.

    Inventor： Venkateswara Rao Manepalli ,  Srinivasan Nimmala ,  Farouk Belghoul

    IPC: H04W76/00 ,  H04W12/08 ,  H04W36/00 ,  H04W36/08 ,  H04W48/16 ,  H04W12/06 ,  H04W76/18 ,  H04W76/30

    Abstract: This disclosure relates to techniques for securely performing connection release and network redirection in a wireless communication system. A wireless device may establish a radio resource control (RRC) connection with a first cell. The wireless device may receive a RRC connection release message from the first cell. The RRC connection release message may include an indication to redirect the wireless device to a second cell. The RRC connection with the first cell may be released. It may be determined whether security has been established with the first cell when the indication to redirect the wireless device to the second cell is received. A new serving cell may be selected based at least in part on whether security has been established with the first cell when the indication to redirect the wireless device to the second cell is received.

    Determining connection states of a mobile wireless device
    284.
    发明授权
    Determining connection states of a mobile wireless device 有权
    确定移动无线设备的连接状态

    公开(公告)号：US09560538B2

    公开(公告)日：2017-01-31

    申请号：US15174623

    申请日：2016-06-06

    Applicant: Apple Inc.

    Inventor： Li Su ,  Srinivasan Nimmala

    IPC: H04W24/00 ,  H04W24/08 ,  H04W72/12 ,  H04W74/08 ,  H04W76/02 ,  H04W76/04

    CPC classification number: H04W24/08 ,  H04W72/1284 ,  H04W74/0833 ,  H04W76/19 ,  H04W76/27

    Abstract: Methods, apparatuses and computer readable media are described that determine a connection state between a mobile wireless device and a wireless network upon detection of an interruption of a connection between the mobile wireless device and the wireless network. The mobile wireless device transmits an uplink resource allocation message to the wireless network, and when receiving no response to the uplink resource allocation message, transmits a random access message to the wireless network. When receiving no response from the wireless network to the random access message, the mobile wireless device executes a radio link failure procedure. In an embodiment, the uplink resource allocation message includes a unique identifier for an existing radio resource control connection between the mobile wireless device and the wireless network.

    Abstract translation: 描述了在检测到移动无线设备和无线网络之间的连接的中断时确定移动无线设备和无线网络之间的连接状态的方法，设备和计算机可读介质。 移动无线设备向无线网络发送上行链路资源分配消息，当对上行链路资源分配消息没有响应时，向无线网络发送随机接入消息。 当从无线网络不接收到随机接入消息的响应时，移动无线设备执行无线链路故障过程。 在一个实施例中，上行链路资源分配消息包括用于移动无线设备和无线网络之间的现有无线电资源控制连接的唯一标识符。

    Paging Mechanisms for Link-Budget-Limited User Devices
    285.
    发明申请
    Paging Mechanisms for Link-Budget-Limited User Devices 有权
    Link-Budget-Limited用户设备的寻呼机制

    公开(公告)号：US20160066296A1

    公开(公告)日：2016-03-03

    申请号：US14830325

    申请日：2015-08-19

    Applicant: Apple Inc.

    Inventor： Li Su ,  Sami M. Almalfouh ,  Venkateswara Rao Manepalli ,  Srinivas Burugupalli ,  Srinivasan Nimmala ,  Vijay Kumar Ramamurthi ,  Stephan V. Schell

    IPC: H04W68/00 ,  H04W76/04 ,  H04W72/04

    CPC classification number: H04W68/005 ,  H04W64/003 ,  H04W68/02 ,  H04W72/0446 ,  H04W72/048 ,  H04W76/28

    Abstract: Various mechanisms for paging link-budget-limited (LBL) devices are disclosed, including: (1) transmitting paging message with non-conventional paging identifier; (2) transmitting paging message(s) with increased power; (3) repeating transmission of paging message to support combining at receiver. Various mechanisms for UE device to signal LBL status are disclosed, including, transmitting status flag or special value of DRX cycle to network node as part of tracking area update and/or attach request. The network node informs a base station of the device's LBL status as part of a paging message. (The network node may, e.g., assign an S-RNTI to the LBL device from a reserved subset of S-RNTI space.) The base station invokes a paging enhancement mechanism when paging an LBL device. Alternatively, the base station may page UE devices without knowledge of LBL status, e.g., by counting paging attempts for a given UE, and boosting power after the Nth paging attempt.

    Abstract translation: 公开了用于寻呼链路限制（LBL）设备的各种机制，包括：（1）发送具有非常规寻呼标识符的寻呼消息; （2）以增加的功率发送寻呼消息; （3）重复发送寻呼消息以支持在接收机组合。 公开了用于UE设备信号LBL状态的各种机制，包括作为跟踪区域更新和/或附加请求的一部分，向网络节点发送DRX周期的状态标志或特殊值。 网络节点将设备的LBL状态通知给基站，作为寻呼消息的一部分。 （网络节点可以例如从S-RNTI空间的保留子集向LBL设备分配S-RNTI。）当寻呼LBL设备时，基站调用寻呼增强机制。 或者，基站可以在不知道LBL状态的情况下寻呼UE设备，例如通过对给定UE计数寻呼尝试，以及在第N次寻呼尝试之后升高功率。

    METHODS AND APPARATUS FOR AUTOMATED DEVICE STATE CHANGES IN RESPONSE TO NETWORK CONDITIONS
    286.
    发明申请
    METHODS AND APPARATUS FOR AUTOMATED DEVICE STATE CHANGES IN RESPONSE TO NETWORK CONDITIONS 有权
    自动化设备状态变化对网络条件的响应的方法和设备

    公开(公告)号：US20140071905A1

    公开(公告)日：2014-03-13

    申请号：US13940151

    申请日：2013-07-11

    Applicant: Apple Inc.

    Inventor： Srinivasan Nimmala ,  Longda Xing ,  Li Su

    IPC: H04W72/04

    CPC classification number: H04W72/042 ,  H04L29/06 ,  H04W28/06 ,  H04W28/18 ,  H04W84/10 ,  H04W84/18

    Abstract: Methods and apparatus for the automated altering of wireless device states in response to detected connection behaviors. In one embodiment, a mobile device receives network parameters, some of which are incorrectly configured, from a base station (or access point). To ensure the proper behavior of the mobile device, the device reviews the network provided parameters to determine if one or more of the parameters has been set incorrectly. If so, the device locally alters its own settings to mitigate the incorrect operation associated with the incorrect network provided parameters. In second exemplary embodiment, a number of tolerances are utilized to ensure the proper operation of the mobile device while maintaining an active link. Upon violation of one or more of these tolerances, the device breaks the active link to the wireless network.

    Abstract translation: 响应于检测到的连接行为自动改变无线设备状态的方法和装置。 在一个实施例中，移动设备从基站（或接入点）接收网络参数（其中一些被错误地配置）。 为了确保移动设备的正常行为，设备将审查网络提供的参数，以确定一个或多个参数是否设置不正确。 如果是这样，设备本地会改变自己的设置，以减轻与不正确的网络提供的参数相关的错误操作。 在第二示例性实施例中，利用多个公差来确保移动设备的正常操作，同时保持主动链路。 在违反这些公差中的一个或多个时，设备将断开到无线网络的活动链路。

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