Research on Long-range UWA Communication for UUV

摘要

On the basis of traditional MFSK & MPSK communication techniques, a new long-range acoustic communication method named MFSK-MPSK alternate modulation was presented in this paper. The long-range acoustic communication channel model was established, and then the principle of MFSK-MPSK alternate modulation & demodulation was studied. The bit error rate under different SNR at 80Km with active channel equalization technique based on RLS algorithm was simulated. The simulation outcome was compared with sea trial results of 2FSK communication at 80km, and a valuable conclusion on long-range acoustic communication was made.