Paging Mechanisms for Link-Budget-Limited User Devices

    公开(公告)号:US20170135067A1

    公开(公告)日:2017-05-11

    申请号:US15414754

    申请日:2017-01-25

    Applicant: Apple Inc.

    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.

    SYSTEMS AND METHODS FOR COORDINATING SYNCHRONIZED SAMPLING

    公开(公告)号:US20250085318A1

    公开(公告)日:2025-03-13

    申请号:US18955381

    申请日:2024-11-21

    Applicant: Apple Inc.

    Abstract: Systems and methods for coordinating data sampling among devices include a set of electronic devices that may periodically sample energy data from a smart meter according to sample timing information. The sample timing information may specify a set of times to sample energy data for each electronic device. The set of electronic devices may take turns in sampling energy data from the smart meter so that individual electronic devices may reduce power consumption by sampling less frequently. A server may determine the sample times for the electronic devices and may instruct the electronic devices to sample energy data. Additionally, each individual electronic device may leave and/or join wireless communication networks less frequently than if each individual electronic device performed every sample. Accordingly, the coordinated sampling may decrease the radio resource usage and/or bandwidth usage of any individual electronic device.

    SYSTEMS AND METHODS FOR IMPLEMENTING SLEEPY FUNCTIONALITY IN WIRELESS MESH NETWORKS

    公开(公告)号:US20240430797A1

    公开(公告)日:2024-12-26

    申请号:US18339764

    申请日:2023-06-22

    Applicant: Apple Inc.

    Abstract: The present disclosure relates to techniques for wireless communication between electronic devices in a wireless network, such as a mesh wireless network. For example, a first electronic device may include processing circuitry that is configured to cause a transceiver of the first electronic device to transmit to a second electronic device in a wireless network an indication of time slots. The processing circuitry may cause at least a portion of the transceiver to enter a low power state during one or more times outside the time slots and cause the transceiver to exit the low power state to transmit or receive wireless signals during the time slots.

    DEVICES AND METHODS FOR BEAM TRACKING
    78.
    发明公开

    公开(公告)号:US20240063887A1

    公开(公告)日:2024-02-22

    申请号:US17890793

    申请日:2022-08-18

    Applicant: Apple Inc.

    CPC classification number: H04B7/088 H04W72/046 H04W72/0446

    Abstract: User equipment includes one or more antennas, a receiver coupled to the one or more antennas, and processing circuitry coupled to the receiver and configured to cause the user equipment to receive downlink signals at each communication cycle using a predetermined beam in a beam time slot. Based on processed downlink signals and other relevant information the user equipment may determine a desired beam for the next communication cycle. If the desired beam is the same as the predetermined beam, the user equipment may continue using the predetermined beam at the next communication cycle. If the desired beam is different from the predetermined beam, the user equipment may switch to the desired beam at the next communication cycle. In this way, the user equipment may continue tracking a desired beam to maintain reliable data communications with a communication node.

    Adaptive operation to mitigate specular reflections

    公开(公告)号:US11843443B1

    公开(公告)日:2023-12-12

    申请号:US17235855

    申请日:2021-04-20

    Applicant: Apple Inc.

    CPC classification number: H04B7/0894 G01S19/22 G01S19/428

    Abstract: Methods, devices, and apparatus to adapt operating parameters for satellite signal reception and transmission by a wireless device to mitigate effects of fading due to specular reflections are described herein. The wireless device measures received signal power levels and compares characteristics of the measurements over an observation duration to at least one fading criteria to determine whether to operate in a normal or adaptive mode. While operating in the adaptive mode, the wireless device alternates between high performance mode time periods and low performance mode time periods. The wireless device indicates to a ground station associated with the satellite in which operating mode the wireless device is operating via an uplink data message transmitted during a data cycle at the start of a high or low performance mode time period. The ground station schedules data transmissions accordingly during subsequent data cycles of the high or low performance mode time periods.

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