The invention belongs to the field of optical communication network technology, in particular to a device for generating and receiving optical signals OFDMMSK. The device comprises a transmitting device and a receiving device, the transmission device comprises a continuous wave laser, data signal source, MSK encoder, signal demultiplexing device, signal mapping device, reverse Fu Liye transform and string conversion device, digital analog conversion device, single electrode electro-optic modulation device, a receiving device comprises a photoelectric detection device, diode, ADC string and transform device, signal conversion device, signal Fu Liye mapping and multiplexing device, MSK decoder and data receiver and other major components, and has the advantages of simple structure, stable performance, low price. The device can be used to improve the direct modulation and detection of optical OFDM communication system and the performance of optical OFDM signal coherent modulation - detection optical OFDM communication system and a simplified demodulation signal in a receiver processing.
【技术实现步骤摘要】
【技术保护点】
一种产生和接收光OFDM-MSK信号的装置,其特征在于包括发送装置和接收装置两部分; 在直接调制-检测光OFDM-MSK通信系统中,所述的发送装置包括:一个连续波激光器,一个数据信号源,一个MSK编码器,一个信号解复用映射装置,一个信号反向傅里叶变换装置,一个并串变换装置,一个数模变换装置,一个单电极电光调制器;所述的接收装置包括:一个光电检测二极管;一个模数变换装置,一个串并变换装置,一个信号傅里叶变换装置,一个信号解映射复用装置,一个MSK解码器,一个数据接收器; 其中,连续波激光器,用于产生光载波;数据信号源,用于产生稳定的数据信号;MSK编码器用于对数据信号进行MSK编码;信号解复用映射装置、信号反向傅里叶变换装置、并串变换装置和数模变换装置依次连接,将MSK编码的电信号转换成电OFDM-MSK信号;单电极电光调制器将电OFDM-MSK信号转换成光OFDM-MSK信号;光电检测二极管,用于把光OFDM-MSK信号转换成电OFDM-MSK信号;模数变换装置、串并变换装置、信号傅里叶变换装置和信号解映射复用装置依次连接,将电OFDM-MSK信号恢复成MSK编码的电信号;MSK编 ...
【技术特征摘要】
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