376 citations · 1k across the 55 of their papers we have counts for
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Performance Analysis of Energy Detection over Mixture Gamma based Fading Channels with Diversity Reception
Omar Alhussein, Ahmed Al Hammadi, Paschalis C. Sofotasios +4
The present paper is devoted to the evaluation of energy detection based spectrum sensing over different multipath fading and shadowing conditions. This is realized by means of a u…
Error Rate and Power Allocation Analysis of Regenerative Networks under Generalized Fading Conditions
Mulugeta K. Fikadu, Paschalis C. Sofotasios, Mikko Valkama +3
Cooperative communication has been shown to provide significant increase of transmission reliability and network capacity while expanding coverage in cellular networks. The present…
Entropy and Channel Capacity under Optimum Power and Rate Adaptation over Generalized Fading Conditions
Paschalis C. Sofotasios, Sami Muhaidat, Mikko Valkama +2
Accurate fading characterization and channel capacity determination are of paramount importance in both conventional and emerging communication systems. The present work addresses…
Energy Detection of Unknown Signals over Cascaded Fading Channels
Paschalis C. Sofotasios, Lina Mohjazi, Sami Muhaidat +2
Energy detection is a favorable mechanism in several applications relating to the identification of deterministic unknown signals such as in radar systems and cognitive radio commu…
Solutions to Integrals Involving the Marcum Q-Function and Applications
Paschalis C. Sofotasios, Sami Muhaidat, George K. Karagiannidis +1
Novel analytic solutions are derived for integrals that involve the generalized Marcum Q-function, exponential functions and arbitrary powers. Simple closed-form expressions are al…
Non-Orthogonal Multiple Access for Visible Light Communications
Hanaa Marshoud, Vasileios M. Kapinas, George K. Karagiannidis +1
The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal mul…
Efficient Machine Learning for Big Data: A Review
O. Y. Al-Jarrah, P. D. Yoo, S Muhaidat +2
With the emerging technologies and all associated devices, it is predicted that massive amount of data will be created in the next few years, in fact, as much as 90% of current dat…
Unified Analysis of Cooperative Spectrum Sensing over Composite and Generalized Fading Channels
Ahmed Al Hammadi, Omar Alhussein, Sami Muhaidat +3
In this paper, we investigate the performance of cooperative spectrum sensing (CSS) with multiple antenna nodes over composite and generalized fading channels. We model the probabi…
Modeling and Analysis of Wireless Channels via the Mixture of Gaussian Distribution
Bassant Selim, Omar Alhussein, Sami Muhaidat +2
Considerable efforts have been devoted to statistical modeling and the characterization of channels in a range of statistical models for fading channels. In this paper, we consider…
RF-Powered Cognitive Radio Networks: Technical Challenges and Limitations
Lina Mohjazi, Mehrdad Dianati, George K. Karagiannidis +2
The increasing demand for spectral and energy efficient communication networks has spurred a great interest in energy harvesting (EH) cognitive radio networks (CRNs). Such a revolu…