Coordinated signal reception across integrated circuit boundaries
    34.
    发明授权
    Coordinated signal reception across integrated circuit boundaries 有权
    跨集成电路边界的协调信号接收

    公开(公告)号:US09490864B2

    公开(公告)日:2016-11-08

    申请号:US14275286

    申请日:2014-05-12

    Applicant: Apple Inc.

    Abstract: A wireless electronic device having first and second baseband processors is provided. In one suitable arrangement, radio-frequency power splitters and adjustable low noise amplifiers may be form in the receive paths. The use of power splitters allow signals associated with the first and second baseband processors to be received in parallel. In another suitable arrangement, radio-frequency switches are used in place of the power splitters. The states of the switches may be controlled using at least one of the first and second baseband processors. The use of switches instead of power splitters requires that wake periods associated with the first baseband processor and wake periods associated with the second baseband processor are non-overlapping. To ensure minimal wake period collision, a wake period associated with the second baseband processor may be positioned at a midpoint between two successive wake periods associated with the first baseband processor.

    Abstract translation: 提供了具有第一和第二基带处理器的无线电子设备。 在一种合适的布置中,可以在接收路径中形成射频功率分配器和可调节的低噪声放大器。 功率分配器的使用允许并行地接收与第一和第二基带处理器相关联的信号。 在另一种合适的布置中,使用射频开关代替功率分配器。 可以使用第一和第二基带处理器中的至少一个来控​​制开关的状态。 使用开关而不是功率分配器要求与第一基带处理器相关联的唤醒周期和与第二基带处理器相关联的唤醒周期是不重叠的。 为了确保最小的唤醒周期冲突,与第二基带处理器相关联的唤醒周期可以位于与第一基带处理器相关联的两个连续的唤醒周期之间的中点处。

    Reducing power consumption in connected mode discontinuous reception
    36.
    发明授权
    Reducing power consumption in connected mode discontinuous reception 有权
    降低连接模式下的功耗不连续接收

    公开(公告)号:US09414315B2

    公开(公告)日:2016-08-09

    申请号:US14173478

    申请日:2014-02-05

    Applicant: Apple Inc.

    Abstract: A method for reducing power consumption in connected mode discontinuous reception is disclosed. The method can include a wireless communication device sending a transmission for a pending HARQ retransmission process and receiving an ACK for the transmission. The method can further include the wireless communication device determining a subset of remaining uplink transmission opportunities in the pending HARQ retransmission process to monitor for an uplink grant in response to receiving the ACK and monitoring the subset of remaining uplink transmission opportunities for an uplink grant. The method can additionally include the wireless communication device entering a sleep state for any uplink transmission opportunities remaining in the pending HARQ retransmission process after monitoring the subset of remaining uplink transmission opportunities in an instance in which an uplink grant for the pending HARQ retransmission process is not received for any of the subset of remaining uplink transmission opportunities.

    Abstract translation: 公开了一种用于降低连接模式不连续接收中的功耗的方法。 该方法可以包括无线通信设备发送用于待决HARQ重传过程的传输并且接收用于传输的ACK。 该方法还可以包括无线通信设备确定待决HARQ重传过程中的剩余上行链路传输机会的子集,以响应于接收到该ACK并监视用于上行链路授权的剩余上行链路传输机会的子集来监视上行链路许可。 该方法可以另外包括无线通信设备进入睡眠状态,用于在未决的HARQ重传过程中保持的任何上行链路传输机会之后监视剩余上行链路传输机会的子集,其中用于未决HARQ重传过程的上行链路许可不在 接收到剩余上行链路传输机会的任何子集。

    Motion Based Search and Measurement Periodicity
    37.
    发明申请
    Motion Based Search and Measurement Periodicity 有权
    基于运动的搜索和测量周期

    公开(公告)号:US20150350976A1

    公开(公告)日:2015-12-03

    申请号:US14291777

    申请日:2014-05-30

    Applicant: Apple Inc.

    CPC classification number: H04W48/16 H04W76/28

    Abstract: Adjusting search and measurement periodicity based on device motion. A wireless device may camp on a serving cell. Signal strength, signal quality, and signal to noise ratio of the serving cell may be measured. If each is above a respective threshold, and if the wireless device is stationary, the periodicities at which searches and neighbor cell measurements are performed may be adjusted (e.g., increased) from baseline periodicities.

    Abstract translation: 基于设备运动调整搜索和测量周期。 无线设备可以驻留在服务小区上。 可以测量服务小区的信号强度,信号质量和信噪比。 如果每个高于相应的阈值,并且如果无线设备是静止的,则可以从基线周期性调整(例如,增加)搜索和相邻小区测量的周期。

    Using a location to refine network-provided time zone information
    38.
    发明授权
    Using a location to refine network-provided time zone information 有权
    使用位置来优化网络提供的时区信息

    公开(公告)号:US09204249B2

    公开(公告)日:2015-12-01

    申请号:US14020555

    申请日:2013-09-06

    Applicant: Apple Inc.

    CPC classification number: H04W4/02 G04G9/0076 H04W4/021

    Abstract: A method for using a location to refine network-provided time zone information is disclosed. The method can include a wireless communication device receiving a time zone information message from a network; determining multiple candidate time zones matching a set of time zone identification parameters included in the received time zone information message; deriving a location of the wireless communication device; and using the location to select a current time zone for the wireless communication device from the candidate time zones matching the set of time zone identification parameters.

    Abstract translation: 公开了一种使用位置来改进网络提供的时区信息的方法。 该方法可以包括从网络接收时区信息消息的无线通信设备; 确定与所接收的时区信息消息中包括的一组时区标识参数匹配的多个候选时区; 导出无线通信设备的位置; 以及使用所述位置从与所述一组时区识别参数匹配的候选时区中选择所述无线通信设备的当前时区。

    Enhancing jitter buffer performance through radio level feedback
    40.
    发明授权
    Enhancing jitter buffer performance through radio level feedback 有权
    通过无线电级别反馈增强抖动缓冲区的性能

    公开(公告)号:US09107159B2

    公开(公告)日:2015-08-11

    申请号:US14293494

    申请日:2014-06-02

    Applicant: Apple Inc.

    Abstract: A jitter buffer in a Voice over LTE receiver may be influenced by radio level feedback (RLF) from both local and remote endpoints to preemptively adjust the jitter buffer delay in anticipation of predicted future losses that have a high probability of occurring. The radio events of the RLF and the scenarios that trigger the preemptive adjustments may be identified, and their use may be expressed in terms of mathematical formulas. In prior art designs, the instantaneous jitter is derived from a weighted history of the media stream, and consequently only packets that have already arrived are used to compute the instantaneous jitter to adjust the length of the buffer. By providing and using RLF from both local and remote endpoints, the anticipated delay—for packets that have not yet arrived—may be used to preemptively adjust the buffer, thereby minimizing packet loss without introducing unnecessary delay.

    Abstract translation: 在LTE语音接收机中的抖动缓冲器可能受来自本地和远端端点的无线电电平反馈(RLF)的影响,以预先考虑具有高概率发生的预测未来损耗的抖动缓冲器延迟。 可以识别RLF的无线电事件和触发抢先调整的场景,并且可以用数学公式来表示它们的使用。 在现有技术的设计中,瞬时抖动是从媒体流的加权历史导出的,因此只有已经到达的分组被用于计算瞬时抖动以调整缓冲器的长度。 通过从本地端点和远端端点提供和使用RLF,对于尚未到达的数据包,预期的延迟可能被用于抢先调整缓冲区,从而最大限度地减少数据包丢失而不引入不必要的延迟。

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