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Performance Simulation for Frequency-hopping Communication System in Underwater Acoustic Channel

Jianping Qian

Abstract

The characteristics of UWA (Underwater Acoustic) channel was overviewed, and a UWA channel model concluding the time-varying fading, multipath interference and AWGN (Additive Gaussian White Noise) was established. Based on the model, a UWA frequency-hopping communication system using noncoherent FSK modulation was designed, the simulation method was described and the simulation results of the system’s performance under different channel conditions were provided and particularly analyzed, which built the foundation for the FH/MFSK system’s parameters selection and performance optimization. The simulation results also demonstrate that this kind of communication system can effectively overcome the multipath interference and has high reliability.

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Available abstract

Key concepts: Frequency-shift keying, Underwater acoustic communication, Additive white Gaussian noise, Interference (communication), Frequency-hopping spread spectrum, Channel (broadcasting), Multipath propagation, Electronic engineering