OFDM real-time signal processing method of MIMO system

The invention discloses a system, belongs to the technical field of underwater communication, and aims to overcome the defects of high delay, high loss and the like of an underwater communication mode in the prior art. The MIMO system for underwater wireless optical communication comprises a transmitting module, a convolutional coding module, a modulation module, a first orthogonal frequency division multiplexing module, an A/D conversion module, a plurality of lasers, a photoelectric receiving end array, a D/A conversion module, a second orthogonal frequency division multiplexing module, a demodulation module, a Viterbi decoding module and a calculation module. The spectrum efficiency of the system can be ensured while real signals are generated. 在本发明公开了一种系统，属于水下通信技术领域，现有技术中的水下通信方式具有高延时、高损耗等缺陷；本发明的用于水下无线光通信MIMO系统，包括发射模块，卷积编码模块，调制模块，第一正交频分复用模块，A/D转换模块，多台激光器，光电接收端阵列，D/A转换模块，第二正交频分复用模块，解调模块，Viteribi解码模块和计算模块，其能够在产生实信号的同时保证系统的频谱效率。