Modeling and Simulation of SWARA Path Loss Model for Underwater Acoustic Communication in Multipath Environment

More Sangram S.; Bartakke Prashant P.; Agrawal Monika

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Modeling and Simulation of SWARA Path Loss Model for Underwater Acoustic Communication in Multipath Environment

机译：Modeling and Simulation of SWARA Path Loss Model for Underwater Acoustic Communication in Multipath Environment

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Effective communication in underwater environments is essential for numerous applications, including marine research, oil and gas exploration, and underwater surveillance. However, signal loss during propagation is a significant challenge for underwater communication systems. Accurate mathematical models are necessary to develop and optimize communication systems for underwater environments. This research proposes a mathematical model, SWARA, that incorporates crucial parameters such as transmitter and receiver responses, channel conditions, node placements, and signal frequency to accurately model short-range losses in underwater medium. We conducted tank trials at the UWAA Lab, CARE, IIT Delhi to validate our simulation results, using a chirp signal with a frequency ranging from 25-35 kHz. Our simulation results show that the SWARA model effectively predicts short-range propagation losses in underwater media. Compared to experimental losses, the maximum and minimum simulated losses deviated by only - 0.18-0.10 W/Hz and - 0.36-0.19 W/Hz, respectively, indicating the accuracy of the model. Our tank trials further revealed the significant impact of projector and hydrophone placements on incurred losses, highlighting the importance of careful placement in the design of underwater communication systems. In conclusion, this research proposes the SWARA model for studying short-range losses in underwater tank, which effectively incorporates crucial parameters for accurate modeling. The model has practical applications in the design and optimization of underwater communication systems for short-range applications. This research provides important insights for the development of effective underwater communication systems.

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《Wireless personal communications: An Internaional Journal》 |2023年第4期|2861-2890|共30页
作者
More Sangram S.; Bartakke Prashant P.; Agrawal Monika;
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作者单位

Coll Engn;

Indian Inst Technol;

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原文格式 PDF
正文语种英语
中图分类无线通信;
关键词
Far field analysis; Mathematical modeling; Path loss models; Multipath interference mitigation; Plane wave propagation; Propagation loss analysis; Shallow water acoustics; Transmission loss estimation; Underwater acoustic communication; Underwater tank experiments;

Modeling and Simulation of SWARA Path Loss Model for Underwater Acoustic Communication in Multipath Environment

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