Underwater Acoustic Communication Receiver Using Deep Belief Network
Abigail Lee-Leon, Chau Yuen, Dorien Herremans

TL;DR
This paper introduces a deep belief network-based receiver for underwater acoustic communication that effectively mitigates signal distortion from Doppler effects and multi-path propagation, demonstrating significant performance improvements.
Contribution
The paper presents a novel DBN-based receiver system with a unique pixelization preprocessing step, improving underwater communication reliability over traditional methods.
Findings
Achieved 13.2dB performance improvement at 10^-3 BER
Effective de-noising and classification of signals in challenging channels
Validated performance through simulations and sea trials
Abstract
Underwater environments create a challenging channel for communications. In this paper, we design a novel receiver system by exploring the machine learning technique--Deep Belief Network (DBN)-- to combat the signal distortion caused by the Doppler effect and multi-path propagation. We evaluate the performance of the proposed receiver system in both simulation experiments and sea trials. Our proposed receiver system comprises of DBN based de-noising and classification of the received signal. First, the received signal is segmented into frames before the each of these frames is individually pre-processed using a novel pixelization algorithm. Then, using the DBN based de-noising algorithm, features are extracted from these frames and used to reconstruct the received signal. Finally, DBN based classification of the reconstructed signal occurs. Our proposed DBN based receiver system does…
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Taxonomy
TopicsUnderwater Vehicles and Communication Systems · Underwater Acoustics Research · Wireless Signal Modulation Classification
