OFDM communication method and system based on SOQPSK

The invention discloses an OFDM (Orthogonal Frequency Division Multiplexing) communication method and system based on SOQPSK. The method comprises the following steps: generating an SOQPSK modulation signal; each symbol of the SOQPSK modulation signal is sampled at equal intervals, N sampling points corresponding to each symbol are obtained, and sample values of the N sampling points form first sample value data; performing serial-to-parallel conversion on the first sample value data to obtain M paths of data; and performing inverse fast Fourier transform on the M paths of data to obtain a target signal, and transmitting the target signal to a receiver, so that the receiver demodulates the target signal to obtain an SOQPSK demodulation signal. By adopting the method, the inter-channel interference resistance of the OFDM communication system can be improved. 本申请公开了一种基于SOQPSK的OFDM通信方法和系统。该方法包括产生SOQPSK调制信号；对SOQPSK调制信号的每个符号进行等间隔采样，得到与每个符号对应的N个采样点，N个采样点的样值组成第一样值数据；对第一样值数据进行串并转换，得到M路数据；对M路数据进行快速傅里叶逆变换，得到目标信号，并将目标信号