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Ramez M. Elmasry, Mohamed A. Abd El Ghany, Mohammed A.-M. Salem and Omar M. Fahmy
Human behavior is regarded as one of the most complex notions present nowadays, due to the large magnitude of possibilities. These behaviors and actions can be distinguished as normal and abnormal. However, abnormal behavior is a vast spectrum, so in thi...
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Syed Zafar Abbas Mehdi, Aiffah Mohd Ali and Safiah Zulkifli
One of the challenges of the Internet of Things (IoT) is to provide connectivity to devices around the globe. Long Range (LoRa) is one of the most practical technologies due to its low-power and long-range capabilities to be used by the Low Earth Orbit (...
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Ramson Munyaradzi Nyamukondiwa, Necmi Cihan Orger, Daisuke Nakayama and Mengu Cho
The atmospheric total water vapor content (TWVC) affects climate change, weather patterns, and radio signal propagation. Recent techniques such as global navigation satellite systems (GNSS) are used to measure TWVC but with either compromised accuracy, t...
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Rong Wang, Yuehai Zhou, Xiaoyu Yang, Feng Tong and Jianming Wu
In recent years, underwater acoustic applications have attracted much attention, for example, for underwater environmental monitoring, underwater exploration, etc. Hydrophones play a particularly important role. Although hydrophone design has been in mul...
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Yonggang Ji, Xu Liang, Weifeng Sun, Weimin Huang, Yiming Wang, Xinling Wang and Zhihao Li
A bistatic high-frequency surface wave radar (HFSWR) with both receiving and transmitting stations placed on different ships (platforms) is a new radar system and referred to as shipborne bistatic HFSWR. In this paper, a first-order ocean surface cross s...
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Antonio Francesco Gentile, Davide Macrì, Floriano De Rango, Mauro Tropea and Emilio Greco
Virtual private network (VPN) represents an HW/SW infrastructure that implements private and confidential communication channels that usually travel through the Internet. VPN is currently one of the most reliable technologies to achieve this goal, also b...
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Guang Yang, Feng Zhou, Gang Qiao, Yunjiang Zhao, Yufei Liu, Yinheng Lu and Yuanan He
In mobile underwater acoustic (UWA) communications, the Doppler effect causes severe signal distortion, which leads to carrier frequency shift and compresses/broadens the signal length. This situation has a more severe impact on communication performance...
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Liu Songzuo, Basit Iqbal, Imran Ullah Khan, Niaz Ahmed, Gang Qiao and Feng Zhou
Underwater wireless communication has gained a great deal of attention in the last couple of decades because of its applications in the military, industrial, and monitoring sectors. Despite the extreme physical and MAC layer difficulties, acoustics are u...
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Yufei Liu, Feng Zhou, Gang Qiao, Yunjiang Zhao, Guang Yang, Xinyu Liu and Yinheng Lu
A deep learning-based cyclic shift keying spread spectrum (CSK-SS) underwater acoustic (UWA) communication system is proposed for improving the performance of the conventional system in low signal-to-noise ratio and multipath effects. The proposed deep l...
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Pedro Silveira Pisa, Bernardo Costa, Jéssica Alcântara Gonçalves, Dianne Scherly Varela de Medeiros and Diogo Menezes Ferrazani Mattos
The growing convergence of various services characterizes wireless access networks. Therefore, there is a high demand for provisioning the spectrum to serve simultaneous users demanding high throughput rates. The load prediction at each access point is m...
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