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    VOICE OVER INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM
    11.
    发明申请
    VOICE OVER INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM 有权

    公开(公告)号：US20230049004A1

    公开(公告)日：2023-02-16

    申请号：US17847124

    申请日：2022-06-22

    Applicant: Apple Inc.

    Inventor： Nitin Kuppelur ,  Anish George ,  Karthik Anantharaman ,  Deepak Dash

    IPC: H04W36/00 ,  H04L65/1073 ,  H04L65/1016

    Abstract: This disclosure describes a user equipment device (UE). The UE includes one or more antennas; one or more radios configured to perform cellular communication using a plurality of radio access technologies (RATs) that support voice over an Internet protocol (IP) multimedia subsystem (IMS); and one or more processors coupled to the one or more radios. The one or more processors are configured to cause the UE to perform operations including: sending, to a communications network associated with a first RAT of the plurality of RATs, a first request for IMS registration, wherein the UE is camped on a first cell of the first RAT; determining, based on an IMS rejection failure, that the IMS registration failure is due to a temporary radio failure; and responsively attempting to perform the IMS registration on at least one other cell of the first RAT.

    Adaptive data collection practices in a multi-processor device
    13.
    发明授权
    Adaptive data collection practices in a multi-processor device 有权
    多处理器设备中的自适应数据采集实践

    公开(公告)号：US09411396B2

    公开(公告)日：2016-08-09

    申请号：US14137288

    申请日：2013-12-20

    Applicant: Apple Inc.

    Inventor： Ben-Heng Juang ,  Arjuna Sivasithambaresan ,  Jesus A Gutierrez Gomez ,  Karthik Anantharaman ,  Srinivasan Nimmala

    IPC: G06F15/00 ,  G06F15/76 ,  G06F1/32 ,  G06F11/30

    CPC classification number: G06F1/3206 ,  G06F11/3024 ,  G06F11/3062

    Abstract: Adaptive data collection practices in a multi-processor device. The device may include a first processor and a second processor. The first processor may operate in any of a plurality of power states. The first processor may indicate to the second processor when it transitions to a different power state. The second processor may collect information relating to its operation. The second processor may collect the information according to different information collecting modes depending on in which power state the first processor is operating. Less information may be collected in an information collecting mode corresponding to a lower power state of the first processor than in an information collecting mode corresponding to a higher power state of the first processor.

    Abstract translation: 多处理器设备中的自适应数据采集实践。 该设备可以包括第一处理器和第二处理器。 第一处理器可以以多个功率状态中的任何一个工作。 当第一处理器转换到不同的功率状态时，第一处理器可以向第二处理器指示。 第二处理器可以收集与其操作有关的信息。 第二处理器可以根据不同的信息收集模式来收集信息，这取决于第一处理器在哪个功率状态下操作。 可以以对应于第一处理器的较高功率状态的信息收集模式中的与第一处理器的较低功率状态相对应的信息收集模式收集较少的信息。

    Mobile device which deletes duplicate preferred roaming list system records for improved performance
    14.
    发明授权
    Mobile device which deletes duplicate preferred roaming list system records for improved performance 有权
    删除重复首选漫游列表系统记录以提高性能的移动设备

    公开(公告)号：US08798590B2

    公开(公告)日：2014-08-05

    申请号：US13678701

    申请日：2012-11-16

    Applicant: Apple Inc.

    Inventor： Prashant H Vashi ,  Vikram B Yerrabommanahalli ,  Karthik Anantharaman

    IPC: H04M3/42 ,  H04W88/02 ,  H04W8/00

    CPC classification number: H04W8/00 ,  H04W8/18 ,  H04W88/02 ,  H04W88/06

    Abstract: A User Equipment (UE) device and associated method for operating a User Equipment (UE) in a wireless communication system. The UE may store a preferred roaming list in a memory. The preferred roaming list may comprise a plurality of system records which specify radio access technologies that can be used by the UE. The UE may examine the preferred roaming list to delete any duplicate system records in the PRL for respective geographic locations (GEOs). This may operate to mitigate the problems created by duplicate listing of system records within the PRL. In particular, the removal of redundant system records within the PRL may reduce or eliminate unneeded or undesired BSR algorithm execution. In addition, the removal of redundant system records within the PRL may reduce temporal service outages, since no service origination is allowed while the UE is attempting to find the most preferred system.

    Abstract translation: 用户设备（UE）设备和用于在无线通信系统中操作用户设备（UE）的相关方法。 UE可以将优选的漫游列表存储在存储器中。 优选的漫游列表可以包括指定可由UE使用的无线电接入技术的多个系统记录。 UE可以检查优选的漫游列表以删除PRL中针对各个地理位置（GEO）的任何重复的系统记录。 这样做可以减轻在PRL内重复列出系统记录所产生的问题。 特别地，去除PRL内的冗余系统记录可以减少或消除不需要的或不期望的BSR算法执行。 此外，由于在UE尝试找到最优选的系统时不允许服务发起，所以在PRL内删除冗余系统记录可以减少时间服务中断。

    Adaptive Data Collection Practices in a Multi-Processor Device
    15.
    发明申请
    Adaptive Data Collection Practices in a Multi-Processor Device 有权
    多处理器设备中的自适应数据采集实践

    公开(公告)号：US20140181471A1

    公开(公告)日：2014-06-26

    申请号：US14137288

    申请日：2013-12-20

    Applicant: APPLE INC.

    Inventor： Ben-Heng Juang ,  Arjuna Sivasithambaresan ,  Jesus A. Gutierrez Gomez ,  Karthik Anantharaman ,  Srinivasan Nimmala

    IPC: G06F9/38

    CPC classification number: G06F1/3206 ,  G06F11/3024 ,  G06F11/3062

    Abstract: Adaptive data collection practices in a multi-processor device. The device may include a first processor and a second processor. The first processor may operate in any of a plurality of power states. The first processor may indicate to the second processor when it transitions to a different power state. The second processor may collect information relating to its operation. The second processor may collect the information according to different information collecting modes depending on in which power state the first processor is operating. Less information may be collected in an information collecting mode corresponding to a lower power state of the first processor than in an information collecting mode corresponding to a higher power state of the first processor.

    Abstract translation: 多处理器设备中的自适应数据采集实践。 该设备可以包括第一处理器和第二处理器。 第一处理器可以以多个功率状态中的任何一个工作。 当第一处理器转换到不同的功率状态时，第一处理器可以向第二处理器指示。 第二处理器可以收集与其操作有关的信息。 第二处理器可以根据不同的信息收集模式来收集信息，这取决于第一处理器在哪个功率状态下操作。 可以以对应于第一处理器的较高功率状态的信息收集模式中的与第一处理器的较低功率状态相对应的信息收集模式收集较少的信息。

    Enhanced Network Slicing for Public Land Mobile Network Selection While Roaming
    18.
    发明申请
    Enhanced Network Slicing for Public Land Mobile Network Selection While Roaming 有权

    公开(公告)号：US20210297940A1

    公开(公告)日：2021-09-23

    申请号：US17200122

    申请日：2021-03-12

    Applicant: Apple Inc.

    Inventor： Sridhar Prakasam ,  Karthik Anantharaman ,  Krisztian Kiss ,  Nirlesh Koshta ,  Nitin Kuppelur ,  Xiangpeng Jing

    IPC: H04W48/18 ,  H04W8/02

    Abstract: User equipment devices (UEs) and methods are described for performing single network slice selection assistance information (S-NSSAI)-aware public land mobile network (PLMN) selection in a roaming scenario. A mapping list is received that includes a mapping of a plurality of public land mobile networks (PLMNs) to corresponding S-NSSAI values. The mapping list is received from a home PLMN (HPLMN) of the UE over non-3rd generation partnership (non-3GPP) access, from a server, or from a Universal Mobile Telecommunications Service (UMTS) subscriber identity module (USIM) of the UE. An available PLMN is determined that is mapped to a preferred S-NSSAI value of the UE based on the mapping list. A connection is established with the available PLMN.

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