公开(公告)号：US12207332B2

公开(公告)日：2025-01-21

申请号：US18453597

申请日：2023-08-22

Applicant: Apple Inc.

Inventor： Lei Li ,  Xiaojun Chen ,  Camille Chen ,  Siegfried Lehmann ,  Vusthla Sunil Reddy ,  Peter M Agboh

IPC: H04W76/16 ,  H04B17/318 ,  H04L5/00 ,  H04W4/80 ,  H04W12/55 ,  H04W52/50 ,  H04W84/18

Abstract: Methods performed by a first sink device, a source device, or a second sink device. The first sink device is connected to a source device via a first communication link and a second sink device via a second communication link, wherein the second sink device is configured to eavesdrop on communications between the first sink device and the source device on the first communication link. The methods include determining an occurrence of a trigger event and modifying an operation of at least one of the first sink device, the second sink device or the source device based at least on the trigger event occurring.

公开(公告)号：US11864025B2

公开(公告)日：2024-01-02

申请号：US17810105

申请日：2022-06-30

Applicant: Apple Inc.

Inventor： Anatoli Gostev ,  Louay Alsakka ,  Axel Berny ,  Tad Dreier ,  Joachim Hammerschmidt ,  Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Peter M. Agboh ,  Mohit Narang

IPC: H04W28/00 ,  H04W28/04 ,  H04L69/40 ,  H04R1/10 ,  H04L69/14 ,  H04L1/1607 ,  H04L1/1867 ,  H04W76/14 ,  H04W84/18 ,  H04W88/04 ,  H04R5/033 ,  H04W84/20 ,  H04L1/00 ,  H04W72/20 ,  H04W4/80 ,  H04W56/00

CPC classification number: H04W28/04 ,  H04L1/1685 ,  H04L1/1867 ,  H04L69/14 ,  H04L69/40 ,  H04R1/1016 ,  H04W76/14 ,  H04W84/18 ,  H04L2001/0097 ,  H04R5/033 ,  H04R2420/07 ,  H04W4/80 ,  H04W56/001 ,  H04W72/20 ,  H04W84/20 ,  H04W88/04

Abstract: Exemplary embodiments include a system having a first wireless audio output device configured to connect to a source device via a first piconet and a second wireless audio output device configured to connect to the first wireless audio output device via a second piconet. A schedule of the first piconet includes a plurality of slots associated with an audio packet, a first subset of the slots used by the source device to transmit the audio packet, the first and second wireless audio output devices tuning to the first piconet to listen for the transmissions of the audio packet, and when, after a last one of the first subset of slots, the first or second wireless audio output devices did not receive the audio packet, the first and second wireless audio output devices exchange information via the second piconet such that the both wireless audio output device receive the audio packet.

公开(公告)号：US11412409B2

公开(公告)日：2022-08-09

申请号：US16809694

申请日：2020-03-05

Applicant: Apple Inc.

Inventor： Anatoli Gostev ,  Louay Alsakka ,  Axel Berny ,  Tad Dreier ,  Joachim Hammerschmidt ,  Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Peter M. Agboh ,  Mohit Narang

IPC: H04H20/71 ,  H04W28/04 ,  H04L69/40 ,  H04R1/10 ,  H04L69/14 ,  H04L1/16 ,  H04L1/18 ,  H04W76/14 ,  H04W84/18 ,  H04W88/04 ,  H04R5/033 ,  H04W84/20 ,  H04L1/00 ,  H04W4/80 ,  H04W56/00 ,  H04W72/04

Abstract: Exemplary embodiments include a system having a first wireless audio output device configured to connect to a source device via a first piconet and a second wireless audio output device configured to connect to the first wireless audio output device via a second piconet. A schedule of the first piconet includes a plurality of slots associated with an audio packet, a first subset of the slots used by the source device to transmit the audio packet, the first and second wireless audio output devices tuning to the first piconet to listen for the transmissions of the audio packet, and when, after a last one of the first subset of slots, the first or second wireless audio output devices did not receive the audio packet, the first and second wireless audio output devices exchange information via the second piconet such that the both wireless audio output device receive the audio packet.

公开(公告)号：US11297670B2

公开(公告)日：2022-04-05

申请号：US16585534

申请日：2019-09-27

Applicant: Apple Inc.

Inventor： Lei Li ,  Xiaojun Chen ,  Camille Chen ,  Siegfried Lehmann ,  Vusthla Sunil Reddy ,  Peter M. Agboh

IPC: H04W76/16 ,  H04W52/50 ,  H04W4/80 ,  H04L5/00 ,  H04W84/18 ,  H04B17/318 ,  H04W12/55

Abstract: Methods performed by a first sink device, a source device, or a second sink device. The first sink device is connected to a source device via a first communication link and a second sink device via a second communication link, wherein the second sink device is configured to eavesdrop on communications between the first sink device and the source device on the first communication link. The methods include determining an occurrence of a trigger event and modifying an operation of at least one of the first sink device, the second sink device or the source device based at least on the trigger event occurring.

公开(公告)号：US20150349870A1

公开(公告)日：2015-12-03

申请号：US14291769

申请日：2014-05-30

Applicant: Apple Inc.

Inventor： Xiaojun Chen ,  Peter M. Agboh ,  Indranil S. Sen ,  Hsin-Yuo Liu ,  Vusthia Sunil Reddy ,  Diego C. Hernandez ,  Digvijay A. Jadhav ,  Mohit Narang ,  Ruben Caballero

IPC: H04B7/08

CPC classification number: H04B7/0817 ,  H04B7/0822

Abstract: Dynamic antenna switching based on weighted signal to noise ratio (SNR). A wireless device may include multiple antennas. SNR at each active antenna may be calculated. An antenna-specific weight may be applied to each antenna's SNR. The antenna-specific weights may further be radio specific and/or transmit or receive specific in some cases. Antenna selection (possibly just for a specific radio and/or for transmit or receive operations, depending on the specificity of the antenna weights), including potentially switching which antenna is used, may be based on the resulting weighted SNR values for each antenna. If the antenna-specific weights are radio specific and/or transmit or receive operation specific, the method may be performed multiple times with different antenna-specific weights to select antenna(s) for different radios and/or for other operations.

Abstract translation: 基于加权信噪比（SNR）的动态天线切换。 无线设备可以包括多个天线。 可以计算每个有源天线的SNR。 天线特定权重可以应用于每个天线的SNR。 在某些情况下，天线特定权重可以进一步是无线电特定的和/或发送或接收特定的。 天线选择（可能仅适用于特定无线电和/或用于发射或接收操作，取决于天线权重的特异性），包括潜在地切换使用哪个天线，可以基于所得到的每个天线的加权SNR值。 如果天线特定权重是无线电特定的和/或发送或接收操作特定的，则可以使用不同的天线特定权重多次执行该方法，以选择用于不同无线电和/或其他操作的天线。