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Journal of Sensor and Actuator Networks, Volume 13, Issue 5

October 2024 - 22 articles

Cover Story: Underwater optical wireless communication (UOWC) has gained importance with the rise of unmanned underwater vehicles, particularly in offshore industries focused on sustainable food production and energy security. UOWC supports high data rates and low latency for video transmission; however, links are influenced by inhomogeneous light attenuation and sunlight. This study models the underwater spectral light distribution across depths in eight stratified oceanic water types, exploring optimal transmission wavelengths for maximum signal-to-noise ratio (SNR). We challenge the assumption that the blue-green spectrum is always ideal, revealing a unique relationship between wavelength, SNR, and depth. The results have implications for solar discrimination and routing strategies in optical wireless networks in the photic zone. View this paper

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Review

12 Citations

7,228 Views

29 Pages

A Review of Multi-UAV Task Allocation Algorithms for a Search and Rescue Scenario

Sajjad A. Ghauri,
Mubashar Sarfraz,
Rahim Ali Qamar,
Muhammad Farhan Sohail and
Sheraz Alam Khan

J. Sens. Actuator Netw.2024, 13(5), 47;https://doi.org/10.3390/jsan13050047

23 August 2024

Unmanned aerial vehicles (UAVs) play a crucial role in enhancing search and rescue (SAR) operations by accessing inaccessible areas, accomplishing challenging tasks, and providing real-time monitoring and modeling in situations where human presence i...

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Article

3 Citations

1,578 Views

24 Pages

Opportunistic Interference Alignment in Cognitive Radio Networks with Space–Time Coding

Yusuf Abdulkadir,
Oluyomi Simpson and
Yichuang Sun

J. Sens. Actuator Netw.2024, 13(5), 46;https://doi.org/10.3390/jsan13050046

23 August 2024

For a multiuser multiple-input–multiple-output (MIMO) overlay cognitive radio (CR) network, an opportunistic interference alignment (IA) technique has been proposed that allows spectrum sharing between primary users (PUs) and secondary users (S...

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J. Sens. Actuator Netw. - ISSN 2224-2708

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