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    • 57. 发明申请
    • ENHANCED PREAMBLE WAVEFORM FOR COEXISTENCE
    • 增强的前景波形
    • US20160295420A1
    • 2016-10-06
    • US15078095
    • 2016-03-23
    • QUALCOMM Incorporated
    • Tao LuoArumugam Chendamarai KannanBin TianRahul Malik
    • H04W16/14H04W24/02
    • Methods, systems, and devices are described for wireless communication at a device. A Long Term Evolution Unlicensed (LTE-U) device may transmit an enhanced preamble that may be understood by Wireless Local Area Network (WLAN) devices, in addition to conveying a characteristic that is detectable by receiving LTE-U devices. The transmitting LTE-U device may generate the enhanced preamble by generating a first training field and a second training field. The characteristic that is detectable by receiving LTE-U devices may be a phase shift between the first and second training fields. Additionally or alternatively, the characteristic may be a sequence or tone mapping of the first or second training field. In some cases, the transmitting LTE-U device may introduce a third training field to the preamble which serves as the characteristic.
    • 描述了在设备处的无线通信的方法,系统和设备。 除了传送通过接收LTE-U设备可检测的特性之外,长期演进未许可(LTE-U)设备可以发送可被无线局域网(WLAN)设备理解的增强型前导码。 发送LTE-U设备可以通过生成第一训练场和第二训练场来生成增强的前同步码。 通过接收LTE-U设备可检测的特征可以是第一和第二训练场之间的相移。 附加地或替代地,特征可以是第一或第二训练场的序列或色调映射。 在某些情况下,发送的LTE-U设备可以将第三训练字段引入作为特征的前同步码。