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    • 55. 发明申请
    • OPTICAL CLOCK RATE NEGOTIATION FOR SUPPORTING ASYMMETRIC CLOCK RATES FOR VISIBLE LIGHT COMMUNICATION
    • 用于支持可见光通信的不对称时钟频率的光时钟速率协商
    • US20110164881A1
    • 2011-07-07
    • US12975225
    • 2010-12-21
    • Sridhar RajagopalEran PisekFarooq KhanYing Li
    • Sridhar RajagopalEran PisekFarooq KhanYing Li
    • H04B10/00
    • H04B10/116H04B10/1149
    • A method and apparatus conduct an optical clock rate negotiation to support asymmetric clock rates for visible light communication (VLC) in a VLC device. A first frame that includes a receiver clock rate supported by a first VLC device is transmitted at a predetermined clock rate. A response frame that includes a receiver clock rate supported by a second VLC device is received from the second VLC device. A transmission clock rate of the first VLC device is selected based on the response frame from the second VLC device. Subsequent frames for data communication are transmitted to the second VLC device at the selected transmission clock rate of the first device. Alternatively, when conducting optical clock negotiation in the PHY layer, multiple clock rates are supported within a single frame.
    • 一种方法和装置进行光时钟速率协商以支持VLC设备中可见光通信(VLC)的非对称时钟速率。 以预定的时钟速率发送包括由第一VLC设备支持的接收机时钟速率的第一帧。 从第二VLC设备接收包括由第二VLC设备支持的接收机时钟速率的响应帧。 基于来自第二VLC设备的响应帧来选择第一VLC设备的传输时钟速率。 用于数据通信的后续帧以所选择的第一设备的传输时钟速率发送到第二VLC设备。 或者,当在PHY层中进行光时钟协商时,在单个帧内支持多个时钟速率。