知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

21 records (took 0.08 seconds)

    Wake-up radio assisted WLAN power saving technologies
    1.
    发明授权
    Wake-up radio assisted WLAN power saving technologies 有权

    公开(公告)号：US10484941B2

    公开(公告)日：2019-11-19

    申请号：US15631351

    申请日：2017-06-23

    Applicant: Apple Inc.

    Inventor： Yong Liu ,  Christiaan A. Hartman ,  Siegfried Lehmann ,  Su Khiong Yong ,  Guoqing Li

    IPC: H04W52/02 ,  G08C17/02 ,  H04B7/185 ,  H04W68/02 ,  H04W84/04 ,  H04L29/06 ,  H04W48/12 ,  H04W84/12 ,  H04W88/06 ,  H04W88/10 ,  H04W4/80

    Abstract: A dual-radio AP including both a high-power (e.g., Wi-Fi) radio and a low-power (e.g., BLE) radio may support an assisted wakeup service for a power-limited dual-radio mobile device (STA). The power-limited STA may register with the AP for the assisted wakeup service, and may then disable its Wi-Fi radio (or otherwise initiate a lower-power mode). The power-limited STA may receive a BLE communication indicating the AP has pending Wi-Fi transmissions or updates applicable to the power-limited STA. In response, the power-limited STA may turn on its Wi-Fi radio and receive the pending transmissions or updates from the AP. If an AP does not include a low-power radio, then a high-power/low-power dual-radio STA that is not power-limited may serve as an assisted wakeup service proxy. The proxy may scan and trace the Wi-Fi beacons from the AP, and generate the BLE communication to the power-limited STA on behalf of the AP.

    Bluetooth audio role-based scheduling
    2.
    发明授权
    Bluetooth audio role-based scheduling 有权

    公开(公告)号：US10200843B1

    公开(公告)日：2019-02-05

    申请号：US15927734

    申请日：2018-03-21

    Applicant: Apple Inc.

    Inventor： Camille Chen ,  Siegfried Lehmann ,  Hsin-Yao Chen ,  Wen Zhao

    IPC: H04W4/80 ,  H04W76/14 ,  H04W4/02 ,  H04W72/14 ,  H04W48/16 ,  H04W84/12

    Abstract: In the subject system for Bluetooth audio role-based scheduling, an electronic device (e.g., a mobile phone), may receive streaming audio over a cellular connection, e.g. LTE, and may stream the audio to a head unit of a vehicle, e.g. via Bluetooth. The electronic device may also concurrently communicate with other electronic devices via, e.g., Wi-Fi, Bluetooth, and/or BTLE. The electronic device may determine the Bluetooth/communication capabilities of the HU device, such as buffer size, and the electronic device may proactively configure Bluetooth settings/parameters for communicating with the HU device based on the capabilities of the HU device. The electronic device may also adaptively modify scheduling for communications with other electronic devices based on the determined capabilities of the HU device. In this manner, the electronic device can proactively mitigate and/or prevent the sub-optimal user experience caused by any differences in Bluetooth/communication capabilities of the HU device and the electronic device.

    SIMULTANEOUS WIRELESS CONNECTIONS WITH IMPROVED EFFICIENCY
    3.
    发明申请
    SIMULTANEOUS WIRELESS CONNECTIONS WITH IMPROVED EFFICIENCY 有权
    同时提高无线连接的效率

    公开(公告)号：US20160360526A1

    公开(公告)日：2016-12-08

    申请号：US15001116

    申请日：2016-01-19

    Applicant: Apple Inc.

    Inventor： Siegfried Lehmann ,  Christiaan A. Hartman ,  Camille Chen ,  Sriram Hariharan ,  Jianxiong Shi ,  Syed Aon Mujtaba ,  Alessio Centazzo ,  Donald Eng ,  Michael J. Giles ,  Craig P. Dooley ,  Akshay Mangalam Srivatsa ,  Anjali S. Sandesara ,  Langford M. Wasada

    IPC: H04W72/04 ,  H04L29/06 ,  H04W4/00

    CPC classification number: H04L65/4076 ,  G06F1/3209 ,  G06F1/3278 ,  G06F3/0227 ,  H04W4/80 ,  H04W28/06 ,  Y02D10/157

    Abstract: An interface circuit in a computing device may communicate with user-interface devices using shared slots during time intervals. In particular, the computing device may transmit outgoing messages to the user-interface devices at a first predefined time during sequential time intervals when the user-interface devices transition from a sleep mode to a normal mode. In response, the computing device may receive incoming messages from one or more of the user-interface devices at a second predefined time following the first predefined time during the sequential time intervals. Then, the computing device may transmit a multicast message to the user-interface devices at a third predefined time during the sequential time intervals. In response to the given multicast message, one of the user-interface devices may communicate data to the computing device. Note that, in some instances, a multicast time slot may instead be used to communicate data to one of the user-interface devices.

    Abstract translation: 计算设备中的接口电路可以在时间间隔期间使用共享时隙与用户接口设备进行通信。 具体地，当用户界面设备从睡眠模式转换到正常模式时，计算设备可以在连续时间间隔期间的第一预定义时间将输出消息发送到用户界面设备。 作为响应，计算设备可以在连续时间间隔内的第一预定时间之后的第二预定时间从一个或多个用户界面设备接收传入消息。 然后，计算设备可以在连续时间间隔期间的第三预定时间向用户接口设备发送组播消息。 响应于给定的多播消息，用户接口设备之一可以将数据传送到计算设备。 注意，在某些情况下，可以替代地使用多播时隙将数据传送到用户界面设备之一。

    Wi-Fi and bluetooth coexistence
    5.
    发明授权
    Wi-Fi and bluetooth coexistence 有权

    公开(公告)号：US10172146B2

    公开(公告)日：2019-01-01

    申请号：US15272519

    申请日：2016-09-22

    Applicant: Apple Inc.

    Inventor： Yong Liu ,  Christiaan A. Hartman ,  Siegfried Lehmann

    IPC: H04W72/12 ,  H04W72/04 ,  H04W84/12 ,  H04W4/80

    Abstract: In embodiments, one or more wireless stations operate to configure direct communication with neighboring mobile stations, i.e., direct communication between the wireless stations without utilizing an intermediate access point. Embodiments of the disclosure relate a mechanism for coexistence of various radio access technologies during peer-to-peer communications. In some embodiments, a first communication may be scheduled in one or more time slots with a peer station according to a first radio access technology (RAT), an end time of the first communication during a first time slot of the one or more time slots may be determined, and a second communication according to a second RAT may be transmitted. At least a portion of the second communication may be performed during the first time slot. In some embodiments, the first and second communications may be transmitted on the same channel.

    Wake-Up Radio Assisted WLAN Power Saving Technologies
    6.
    发明申请
    Wake-Up Radio Assisted WLAN Power Saving Technologies 审中-公开

    公开(公告)号：US20180027490A1

    公开(公告)日：2018-01-25

    申请号：US15631351

    申请日：2017-06-23

    Applicant: Apple Inc.

    Inventor： Yong Liu ,  Christiaan A. Hartman ,  Siegfried Lehmann ,  Su Khiong Yong ,  Guoqing Li

    IPC: H04W52/02 ,  H04W68/02 ,  G08C17/02 ,  H04W84/04 ,  H04B7/185

    Abstract: A dual-radio AP including both a high-power (e.g., Wi-Fi) radio and a low-power (e.g., BLE) radio may support an assisted wakeup service for a power-limited dual-radio mobile device (STA). The power-limited STA may register with the AP for the assisted wakeup service, and may then disable its Wi-Fi radio (or otherwise initiate a lower-power mode). The power-limited STA may receive a BLE communication indicating the AP has pending Wi-Fi transmissions or updates applicable to the power-limited STA. In response, the power-limited STA may turn on its Wi-Fi radio and receive the pending transmissions or updates from the AP. If an AP does not include a low-power radio, then a high-power/low-power dual-radio STA that is not power-limited may serve as an assisted wakeup service proxy. The proxy may scan and trace the Wi-Fi beacons from the AP, and generate the BLE communication to the power-limited STA on behalf of the AP.

    Prioritizing short-range wireless packets for time-sensitive applications
    10.
    发明授权
    Prioritizing short-range wireless packets for time-sensitive applications 有权

    公开(公告)号：US10237193B2

    公开(公告)日：2019-03-19

    申请号：US15062360

    申请日：2016-03-07

    Applicant: Apple Inc.

    Inventor： Camille Chen ,  Siegfried Lehmann ,  Hsin-Yao Chen ,  Wenping Lou

    IPC: H04L12/26 ,  H04L12/853 ,  H04W76/10 ,  H04W4/80 ,  H04L29/06 ,  H04W72/12 ,  H04W84/12

    Abstract: In embodiments, a client station operates to identify and prioritize time-sensitive short-range wireless packets, such as time-sensitive Bluetooth Low Energy (BTLE) packets, in a congested wireless environment. The client station may identify time-sensitive packets using, e.g., the type of device providing the packets, a state of the device providing the packets, and/or the type of data included in the packets. The client station may prioritize the time-sensitive packets in various ways, including by providing priority scheduling to the time-sensitive packets; pausing communication of other types of Bluetooth packets, such as A2DP packets; reducing a data rate of other types of Bluetooth packets, such as A2DP packets; and/or extending a data packet size of time-sensitive BTLE packets. The time-sensitive packets may thus be prioritized over packets associated with the same wireless protocol and/or a different wireless protocol.

Patent Agency Ranking