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    • 1. 发明申请
    • TRANSMITTER FOR WIRELESS OPTICAL COMMUNICATION SYSTEM USING LIGHT SOURCE
    • 用于光源的无线光通信系统的发射机
    • WO2011149254A3
    • 2012-02-23
    • PCT/KR2011003807
    • 2011-05-24
    • UNIV YEUNGNAM IACFKWON JAE KYUNJUNG SUNG-YOONJANG JA-SOONAHN KANG-IL
    • KWON JAE KYUNJUNG SUNG-YOONJANG JA-SOONAHN KANG-IL
    • H04B10/116
    • H04B10/116
    • The present invention relates to a transmitter for a wireless optical communication system using a light source, the transmitter being capable of maximizing the data transmission rate while maintaining a luminous intensity adjustment function of the light source. The transmitter comprises: a dimming level input unit for receiving the input of the dimming level of the light source; an encoder for encoding the primitive data so that "1" and "0" each takes up 50%, and for outputting the data thereby; a dimming encoder for confirming the dimming level inputted into the dimming level input unit, generating a symbol-codeword table that corresponds to the dimming level, and encoding the data outputted from the encoder using the generated symbol-codeword table; a line encoder for converting the data encoded by the dimming encoder into a pulse signal; and a data storage unit for storing symbol-codeword tables that correspond to a plurality of dimming levels. The transmitter for a wireless optical communication system using a lighting light-source, according to the present invention, can maximize communication efficiency while maintaining the luminous intensity adjustment function of the light source by using a dimming encoding method.
    • 本发明涉及一种使用光源的无线光通信系统的发射机,该发射机能够在保持光源的发光强度调节功能的同时最大化数据传输速率。 发射机包括:调光电平输入单元,用于接收光源的调光电平的输入; 编码器,用于对原始数据进行编码,使得“1”和“0”分别占据50%,并由此输出数据; 用于确认输入到调光电平输入单元的调光电平的调光编码器,产生与调光电平相对应的符号码字表,以及使用所生成的符号码字表对从编码器输出的数据进行编码; 用于将由调光编码器编码的数据转换成脉冲信号的线编码器; 以及数据存储单元,用于存储对应于多个调光电平的符号码字表。 根据本发明的使用照明光源的无线光通信系统的发射机可以通过使用调光编码方法来保持光源的发光强度调节功能,从而最大化通信效率。