APPARATUS AND METHOD FOR VISIBLE LIGHT COMMUNICATION
    12.
    发明申请
    APPARATUS AND METHOD FOR VISIBLE LIGHT COMMUNICATION 有权
    用于可见光通信的装置和方法

    公开(公告)号:US20170041069A1

    公开(公告)日:2017-02-09

    申请号:US15135699

    申请日:2016-04-22

    CPC classification number: H04B10/116 H04B10/516 H04B10/524 H04B10/60

    Abstract: Disclosed herein is visible light communication technology having improved reception performance regardless of dimming control of lighting based on VPPM signals. A visible light communication apparatus includes a preamble generator for generating a preamble signal, a header generator for generating a PHY header, which includes information about the physical layer of a transmission packet and dimming information including the target dimming level of the transmission packet, a fixed dimming VPPM modulator for modulating the PHY header into a first VPPM signal according to a predetermined ratio, a transmission unit signal processor for generating transmission data by performing signal processing for data to be transmitted, a variable dimming VPPM modulator for modulating the transmission data into a second VPPM signal having the target dimming level of the transmission packet, and a signal synthesizer for forming the transmission packet by combining the first and second VPPM signals.

    Abstract translation: 本文公开了具有改善的接收性能的可见光通信技术,而不管基于VPPM信号的照明的调光控制如何。 可见光通信装置包括用于产生前同步信号的前同步码生成器,用于生成PHY报头的报头生成器,其包括关于发送分组的物理层的信息和包含发送分组的目标调光等级的调光信息,固定 调光VPPM调制器,用于根据预定比例将PHY报头调制成第一VPPM信号;传输单元信号处理器,用于通过对待发送的数据执行信号处理来生成发送数据;变量调光VPPM调制器,用于将发送数据调制成 具有发送分组的目标调光电平的第二VPPM信号,以及用于通过组合第一和第二VPPM信号来形成发送分组的信号合成器。

    LIGHTING NETWORK CONTROL APPARATUS AND METHOD
    13.
    发明申请
    LIGHTING NETWORK CONTROL APPARATUS AND METHOD 有权
    照明网络控制装置及方法

    公开(公告)号:US20140139113A1

    公开(公告)日:2014-05-22

    申请号:US13916047

    申请日:2013-06-12

    CPC classification number: H05B37/0245

    Abstract: Disclosed herein are an apparatus and method for controlling a lighting network. The apparatus for controlling lighting network includes a control device and a plurality of control gears. The control device generates and transfers commands to control lighting. The plurality of control gears receives the commands from the control device and control lighting. The control device assigns a right to use a lighting network to the control gears, and the control gears send information about a change in a lighting state or error details to the control device using the right to use a lighting network.

    Abstract translation: 这里公开了一种用于控制照明网络的装置和方法。 用于控制照明网络的装置包括控制装置和多个控制齿轮。 控制装置产生并传送命令以控制照明。 多个控制齿轮接收来自控制装置的命令和控制照明。 控制装置分配对控制齿轮使用照明网络的权利,并且控制装置使用照明网络的权利将关于照明状态或错误细节的改变的信息发送到控制装置。

    VISIBLE LIGHT COMMUNICATION METHOD AND APPARATUS
    15.
    发明申请
    VISIBLE LIGHT COMMUNICATION METHOD AND APPARATUS 有权
    可见光通信方法和设备

    公开(公告)号:US20140010540A1

    公开(公告)日:2014-01-09

    申请号:US13919140

    申请日:2013-06-17

    CPC classification number: H04B10/116

    Abstract: Disclosed herein are a visible light communication method and apparatus. The visible light communication method includes determining whether a current location is the start of a symbol of a transmission signal, setting a sample index, a signal accumulated value for an accumulation region of a front half portion of the symbol, and a signal accumulated value for an accumulation region of a rear half portion of the symbol, determining whether the sample index belongs to an accumulation region of the front or rear half portion of the symbol, and accumulating samples of the transmission signal in accordance with the location to which the sample index belongs, determining whether a current location corresponds to the end of the symbol, and outputting a Variable Pulse Position Modulation (VPPM) communication signal corresponding to the transmission signal.

    Abstract translation: 本文公开了可见光通信方法和装置。 可见光通信方法包括:确定当前位置是发送信号的符号的开始,设置样本索引,用于符号的前半部分的累积区域的信号累加值,以及信号累加值 符号的后半部分的累积区域,确定样本索引是否属于符号的前半部分的累积区域,并根据样本索引的位置累积发送信号的样本 属于,确定当前位置是否对应于符号的结尾,并且输出与发送信号相对应的可变脉冲位置调制(VPPM)通信信号。

    LED LIGHTING CONTROL APPARATUS AND METHOD BASED ON VISIBLE LIGHT COMMUNICATION
    16.
    发明申请
    LED LIGHTING CONTROL APPARATUS AND METHOD BASED ON VISIBLE LIGHT COMMUNICATION 有权
    基于可见光通信的LED照明控制装置和方法

    公开(公告)号:US20130234607A1

    公开(公告)日:2013-09-12

    申请号:US13793769

    申请日:2013-03-11

    Abstract: Disclosed herein is an LED lighting control apparatus and method based on visible light communication. The LED lighting control apparatus includes lighting information collection means for collecting status information about lighting means and environmental information about surroundings of the lighting means, and transmitting the collected information to lighting control means. The lighting information collection means includes a visible light reception processing unit for receiving the status information about the lighting means contained in a visible light signal emitted from the lighting means, a lighting information analysis unit including a plurality of environmental information sensors for detecting the environmental information about the surroundings of the lighting means, the lighting information analysis unit analyzing the environmental information detected by the environmental information sensors, and a lighting information control unit for collecting the status information and the analyzed environmental information and transmitting the collected information to the lighting control means.

    Abstract translation: 本文公开了一种基于可见光通信的LED照明控制装置和方法。 LED照明控制装置包括照明信息收集装置,用于收集关于照明装置的状态信息和关于照明装置的环境的环境信息,并将收集的信息发送到照明控制装置。 照明信息收集装置包括:可见光接收处理单元,用于接收关于包含在从照明装置发射的可见光信号中的照明装置的状态信息;照明信息分析单元,包括用于检测环境信息的多个环境信息传感器 关于照明装置的周围的照明信息分析单元,分析由环境信息传感器检测到的环境信息,以及照明信息控制单元,用于收集状态信息和分析的环境信息,并将收集的信息发送到照明控制装置 。

    PULSE-MATCHED FILTER-BASED PACKET DETECTION APPARATUS AND METHOD

    公开(公告)号:US20230155678A1

    公开(公告)日:2023-05-18

    申请号:US17900403

    申请日:2022-08-31

    CPC classification number: H04B10/116 H04B1/707 H04L27/2613

    Abstract: Provided are a pulse-matched filter-based packet detection apparatus and method. The packet detection apparatus includes a photoelectric converter for converting an optical wireless communication signal into an electrical signal, an analog-to-digital converter (ADC) for converting the electrical signal into a digital signal, a pulse-matched filter for outputting a first correlation representing a correlation between a pulse obtained by oversampling a modulated pulse and the digital signal, a correlator for outputting a second correlation representing a correlation between the first correlation and a preamble code, a packet detection signal generator for generating a packet detection signal by comparing the second correlation and a packet detection threshold value, and a demodulator for demodulating the digital signal based on the packet detection signal.

    APPARATUS AND METHOD FOR MEASURING POSITION OF LIGHT
    19.
    发明申请
    APPARATUS AND METHOD FOR MEASURING POSITION OF LIGHT 审中-公开
    用于测量光的位置的装置和方法

    公开(公告)号:US20140316738A1

    公开(公告)日:2014-10-23

    申请号:US14249501

    申请日:2014-04-10

    Abstract: An apparatus and a method for measuring a position of a light are disclosed. The apparatus for measuring a position of a light includes: an inputting unit configured to receive position information on a building and a floor in which a user is positioned; a position coordinate calculating unit configured to measure distances between a position of the user and wall surfaces in the building in each direction and calculate a position coordinate of the user based on the distances in each direction; a position determining unit configured to apply the position coordinate to a plan view corresponding to the position information to determine an initial position of the user; and a position information combining unit configured to receive a light identifier depending on movement of the user and store position information of the light corresponding to the light identifier.

    Abstract translation: 公开了一种用于测量光的位置的装置和方法。 用于测量光的位置的装置包括:输入单元,被配置为接收建筑物和用户所在的楼层的位置信息; 位置坐标计算单元,被配置为测量在每个方向上的用户的位置和建筑物中的墙壁表面之间的距离,并且基于每个方向上的距离来计算用户的位置坐标; 位置确定单元,被配置为将位置坐标应用于与所述位置信息相对应的平面图,以确定所述用户的初始位置; 以及位置信息组合单元,被配置为根据用户的移动接收光标识符,并存储与该光标识符对应的光的位置信息。

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