Channel Emulator Framework for Underwater Acoustic Communications

In this paper, we develop a tractable mathematical model and an emulation framework for communicating information through water using acoustic signals. Water is considered one of the most complex media to due its vastness variety characteristics, which depend on scenario, type body (lakes, rivers, tanks, sea, etc.), geographical location being considered. Our proposed involves concept damped harmonic oscillators represent medium (water); Milne’s oscillator technique used map interaction between signal water. Wave equations formulated pressure wave velocity are employed characterise travelling signal. The strength, phase shift, time delay generated from then inputted into Simulink-based emulator generate channel samples impulse responses. utilises wide sense stationary uncorrelated scattering (WSSUS) assumption finite sum-of-sinusoids (SOS) approach with uniformly distributed samples. By utilising platform, it becomes feasible profiles amplitude variation, Doppler spread experienced by any in various underwater communication scenarios. Such platform can be simulate different scenarios, network topologies, data training learning models. Additionally, predict performance modulation, multiplexing, error correction, multi-access techniques (UWAC) systems.