A mutually-operated emitting and receiving system of microwave is prepared as forming emission system by randomization module, channel coding module, interlacing module, modulation module, setting-frame module, IFFT conversion module, adding circulation prefix module, parallel/series conversion module, etc; forming receiving system by sampling-positioning module, A/D conversion module, symbol synchronization module, de-circulation prefix module, FFT conversion module, de-framing module, channel estimation module, balance module, decoding module, derandomization module, etc.