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    Real-time relay of wireless communications
    2.
    发明授权
    Real-time relay of wireless communications 有权

    公开(公告)号：US10178711B2

    公开(公告)日：2019-01-08

    申请号：US15708584

    申请日：2017-09-19

    申请人： APPLE INC.

    发明人： Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Peter M. Agboh ,  Mohit Narang

    IPC分类号： H04W84/18 ,  H04W88/04 ,  H04L5/00 ,  H04W72/08 ,  H04W72/04 ,  H04W88/06 ,  H04W4/80 ,  H04L1/00

    摘要： Exemplary embodiments include a system having a first wireless audio output device and a second wireless audio output device. One of the first or second audio output devices is configured to one of connect as a slave to a source device in a first piconet and connect as a master to the other one of the first or second audio output devices in a second piconet. The one of the first or second wireless audio output devices determines whether an audio packet transmitted by the source device via the first piconet was received by the first wireless audio output device and the second wireless audio output device, and, when at least one of the first wireless audio output device or the second wireless audio output device did not receive the audio packet, the audio packet is exchanged between the first and second wireless audio output devices via the second piconet.

    SUB-CHANNEL SELECTION BASED ON TRANSMIT POWER
    3.
    发明申请
    SUB-CHANNEL SELECTION BASED ON TRANSMIT POWER 审中-公开
    基于发射功率的子频道选择

    公开(公告)号：US20160249361A1

    公开(公告)日：2016-08-25

    申请号：US14850834

    申请日：2015-09-10

    申请人： Apple Inc.

    发明人： Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Diego C. Hernandez ,  Peter M. Agboh ,  Mohit Narang ,  Ruben Caballero ,  Indranil S. Sen

    IPC分类号： H04W72/04 ,  H04L5/00

    CPC分类号： H04L5/0064 ,  H04L5/006 ,  H04W72/0453 ,  H04W72/085 ,  H04W84/12

    摘要： In order to improve the quality of communication between electronic devices, one or more sub-channels used during communication between the electronic devices are dynamically modified based on one or more performance metrics and allowed transmit powers of the sub-channels. In particular, when the one or more performance metrics indicate that a distance between the electronic devices falls within a mid-range of distances, the one or more performance metrics may be used to guide selective changes to the sub-channels used during the communication based on the allowed transmit powers. The changes to the sub-channels used during the communication may increase, decrease or leave the total bandwidth unchanged. Moreover, by changing the sub-channels used during the communication, the allowed transmit power(s) of the sub-channel(s) used may be increased, which may improve the performance during the communication.

    摘要翻译： 为了提高电子设备之间的通信质量，基于一个或多个性能度量和子信道的允许发送功率动态地修改在电子设备之间通信期间使用的一个或多个子信道。 特别地，当一个或多个性能度量指示电子设备之间的距离落在距离的中间范围内时，可以使用一个或多个性能度量来指导在基于通信期间使用的子信道的选择性改变 关于允许的发射功率。 在通信期间使用的子信道的改变可以增加，减少或保持总带宽不变。 此外，通过改变在通信期间使用的子信道，可以增加所使用的子信道的允许发送功率，这可以提高通信期间的性能。

    Per packet antenna switch diversity
    4.
    发明授权
    Per packet antenna switch diversity 有权

    公开(公告)号：US10862567B2

    公开(公告)日：2020-12-08

    申请号：US15709360

    申请日：2017-09-19

    申请人： Apple Inc.

    发明人： Lei Li ,  Peter M. Agboh ,  Xiaojun Chen ,  Qiyang Wu ,  Vusthla Sunil Reddy ,  Mohit Narang

    IPC分类号： H04B7/08 ,  H04B1/44 ,  H04B7/06 ,  H04L5/14 ,  H04B17/12 ,  H04B17/318 ,  H04W72/04

    摘要： A wireless communication device includes a number of radio-frequency (RF) antennas and one or more radio circuits. Each radio circuit includes a receive (RX) chain to process RX signals and a transmit (TX) chain to process TX signals. An RF switch network couples at least one RF antenna to at least one radio circuit. A baseband processor controls a configuration of the RF switch network. The baseband processor determines a plurality of parameters and controls the RF switch network based on at least one of the parameters. The parameters are determined during a training interval including at least an inter-frame space (IFS). The configuration of the RF switch network is based on the determined parameters and is employed for selection of an antenna to improve a link performance when used for communication of a next packet following the IFS.

    Real-time Relay of Wireless Communications
    5.
    发明申请
    Real-time Relay of Wireless Communications 审中-公开

    公开(公告)号：US20180084456A1

    公开(公告)日：2018-03-22

    申请号：US15708521

    申请日：2017-09-19

    申请人： APPLE INC.

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

    IPC分类号： H04W28/04 ,  H04W84/18 ,  H04W76/02 ,  H04W4/00

    摘要： 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.

    Real-time relay of wireless communications
    6.
    发明授权
    Real-time relay of wireless communications 有权

    公开(公告)号：US10681773B2

    公开(公告)日：2020-06-09

    申请号：US16238750

    申请日：2019-01-03

    申请人： APPLE INC.

    发明人： Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Peter M. Agboh ,  Mohit Narang

    IPC分类号： H04W88/04 ,  H04L5/00 ,  H04W84/18 ,  H04W72/08 ,  H04W72/04 ,  H04W88/06 ,  H04W4/80 ,  H04L1/00

    摘要： Exemplary embodiments include a system having a first wireless audio output device and a second wireless audio output device. One of the first or second audio output devices is configured to one of connect as a slave to a source device in a first piconet and connect as a master to the other one of the first or second audio output devices in a second piconet. The one of the first or second wireless audio output devices determines whether an audio packet transmitted by the source device via the first piconet was received by the first wireless audio output device and the second wireless audio output device, and, when at least one of the first wireless audio output device or the second wireless audio output device did not receive the audio packet, the audio packet is exchanged between the first and second wireless audio output devices via the second piconet.

    Sub-channel selection based on transmit power
    9.
    发明授权
    Sub-channel selection based on transmit power 有权

    公开(公告)号：US10263753B2

    公开(公告)日：2019-04-16

    申请号：US14850834

    申请日：2015-09-10

    申请人： Apple Inc.

    发明人： Lei Li ,  Xiaojun Chen ,  Vusthla Sunil Reddy ,  Diego C. Hernandez ,  Peter M. Agboh ,  Mohit Narang ,  Ruben Caballero ,  Indranil S. Sen

    IPC分类号： H04L5/00 ,  H04W72/08 ,  H04W84/12 ,  H04W72/04

    摘要： In order to improve the quality of communication between electronic devices, one or more sub-channels used during communication between the electronic devices are dynamically modified based on one or more performance metrics and allowed transmit powers of the sub-channels. In particular, when the one or more performance metrics indicate that a distance between the electronic devices falls within a mid-range of distances, the one or more performance metrics may be used to guide selective changes to the sub-channels used during the communication based on the allowed transmit powers. The changes to the sub-channels used during the communication may increase, decrease or leave the total bandwidth unchanged. Moreover, by changing the sub-channels used during the communication, the allowed transmit power(s) of the sub-channel(s) used may be increased, which may improve the performance during the communication.

    Dynamic antenna switching
    10.
    发明授权
    Dynamic antenna switching 有权
    动态天线切换

    公开(公告)号：US09231686B2

    公开(公告)日：2016-01-05

    申请号：US14291769

    申请日：2014-05-30

    申请人： Apple Inc.

    发明人： 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分类号： H04B7/08

    CPC分类号： H04B7/0817 ,  H04B7/0822

    摘要： 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.

    摘要翻译： 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。