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We propose a technique to authenticate received packets in underwater acoustic networks based on the physical layer features of the underwater acoustic channel (UWAC). Several sensors a) locally estimate features (e.g., the number of taps…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Francesco Ardizzon , Roee Diamant , Paolo Casari , Stefano Tomasin

Due to its ubiquitous and contact-free nature, the use of WiFi infrastructure for performing sensing tasks has tremendous potential. However, the channel state information (CSI) measured by a WiFi receiver suffers from errors in both its…

Information Theory · Computer Science 2024-05-22 Vishnu V. Ratnam , Hao Chen , Hao Hsuan Chang , Abhishek Sehgal , Jianzhong , Zhang

We propose a robust spectrum sensing framework based on deep learning. The received signals at the secondary user's receiver are filtered, sampled and then directly fed into a convolutional neural network. Although this deep sensing is…

Information Theory · Computer Science 2019-08-05 Qihang Peng , Andrew Gilman , Nuno Vasconcelos , Pamela C. Cosman , Laurence B. Milstein

With the recent increase in the number of underwater activities, having effective underwater communication systems has become increasingly important. Underwater acoustic communication has been widely used but greatly impaired due to the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Oluwaseyi Onasami , Damilola Adesina , Lijun Qian

Underwater wireless sensor networks (UWSN), similar to the terrestrial sensor networks, have different challenges such as limited bandwidth, low battery power, defective underwater channels, and high variable propagation delay. A crucial…

Networking and Internet Architecture · Computer Science 2014-03-18 Sihem Souiki , Maghnia Feham , Mohamed Feham , Nabila Labraoui

Underwater wireless optical communications is an emerging solution to the expanding demand for broadband links in oceans and seas. In this paper, a cellular underwater wireless optical code division multiple-access (UW-OCDMA) network is…

Networking and Internet Architecture · Computer Science 2016-02-26 Farhad Akhoundi , Mohammad Vahid Jamali , Navid Banihassan , Hamzeh Beyranvand , Amir Minoofar , Jawad A. Salehi

The extended near-field range in future mm-Wave and sub-THz wireless networks demands a precise and efficient near-field channel simulator for understanding and optimizing wireless communications in this less-explored regime. This paper…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Vahid Yazdnian , Atsutse Kludze , Yasaman Ghasempour

The development of integrated sensing and communication (ISAC) systems has recently gained interest for its ability to offer a variety of services including resources sharing and new applications, for example, localization, tracking, and…

Signal Processing · Electrical Eng. & Systems 2023-02-17 Mohamed Abdalgader , Nadia Adem

Machine learning for wireless systems is commonly studied using standardized stochastic channel models (e.g., TDL/CDL/UMa) because of their legacy in wireless communication standardization and their ability to generate data at scale.…

Signal Processing · Electrical Eng. & Systems 2025-12-16 João Morais , Akshay Malhotra , Shahab Hamidi-Rad , Ahmed Alkhateeb

Recent research shows that integrating artificial intelligence (AI) into wireless communication systems can significantly improve spectral efficiency. However, most AI-based receiver studies rely on simulated radio channel data for both…

Signal Processing · Electrical Eng. & Systems 2025-02-05 Riku Luostari , Dani Korpi , Mikko Honkala , Janne M. J. Huttunen

Underwater images typically experience mixed degradations of brightness and structure caused by the absorption and scattering of light by suspended particles. To address this issue, we propose a Real-time Spatial and Frequency Domains…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Jingxia Jiang , Jinbin Bai , Yun Liu , Junjie Yin , Sixiang Chen , Tian Ye , Erkang Chen

We propose using Carrier Sensing (CS) for distributed interference management in millimeter-wave (mmWave) cellular networks where spectrum is shared by multiple operators that do not coordinate among themselves. In addition, even the base…

Information Theory · Computer Science 2021-02-25 Shamik Sarkar , Xiang Zhang , Arupjyoti Bhuyan , Mingyue Ji , Sneha Kumar Kasera

Doppler radars are routinely used for the remote sensing of oceanic surface currents and atmospheric wind profiles. Even though they operate at different frequencies and address different media, they follow very similar processing for the…

Atmospheric and Oceanic Physics · Physics 2021-02-02 Baptiste Domps , Julien Marmain , Charles-Antoine Guérin

Reconfigurable intelligent surface (RIS)-assisted communications is one of the promising candidates for next generation wireless networks by controlling the propagation environment dynamically. In this study, a channel modeling strategy for…

Information Theory · Computer Science 2021-11-03 Fatih Kilinc , Ibrahim Yildirim , Ertugrul Basar

This paper considers the problem of optimally deploying omnidirectional sensors, with potentially limited sensing radius, in a network-like environment. This model provides a compact and effective description of complex environments as well…

Optimization and Control · Mathematics 2010-06-18 Luca Greco , Matteo Gaeta , Benedetto Piccoli

It has been recently brought into spotlight that through the exploitation of network coding concepts at physical-layer, the interference property of the wireless media can be proven to be a blessing in disguise. Nonetheless, most of the…

Networking and Internet Architecture · Computer Science 2010-09-21 M. Amin Rahimian , Ali Ayremlou , Farokh Marvasti

Communication-aware robot planning requires accurate predictions of wireless network performance. Current approaches rely on channel-level metrics such as received signal strength and signal-to-noise ratio, assuming these translate reliably…

Networking and Internet Architecture · Computer Science 2026-03-11 Nils Jörgensen

The goal of this paper is two-fold. First, to establish a tractable model for the underwater acoustic channel useful for network optimization in terms of convexity. Second, to propose a network coding based lower bound for transmission…

Information Theory · Computer Science 2008-09-02 Daniel E. Lucani , Muriel Médard , Milica Stojanovic

Underwater quantum communication has recently been explored using polarization and orbital angular momentum. Here, we show that spatially structured modes, e.g., a coherent superposition of beams carrying both polarization and orbital…

This paper presents a simulation based study of Artificial Intelligence assisted communication channel adaptation in Unmanned Aerial Vehicle enabled cellular networks. The considered system model includes communication channel Ground Base…

Networking and Internet Architecture · Computer Science 2026-02-17 Andrii Grekhov , Volodymyr Kharchenko , Vasyl Kondratiuk
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