5 papers
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…
Analytic performance evaluation of M-QAM based decode-and-forward relay networks over enriched multipath fading channels
Mulugeta K. Fikadu, Paschalis C. Sofotasios, Qimei Cui +1
This work is devoted to the analysis of a regenerative multi-node dual-hop cooperative system over enriched multipath fading channels. Novel analytic expressions are derived for th…
Exact Error Analysis and Energy-Efficiency Optimization of Regenerative Relay Systems with Spatial Correlation
Mulugeta K. Fikadu, Paschalis C. Sofotasios, Qimei Cui +2
Energy efficiency and its optimization constitute critical tasks in the design of low-power wireless networks. The present work is devoted to the error rate analysis and energy-eff…
Sensing of Unknown Signals over Weibull Fading Conditions
Paschalis C. Sofotasios, Mulugeta K. Fikadu, Khuong Ho-Van +1
Energy detection is a widely used method of spectrum sensing in cognitive radio and Radio Detection And Ranging (RADAR) systems. This paper is devoted to the analytical evaluation…
The Area Under a Receiver Operating Characteristic Curve Over Enriched Multipath Fading Conditions
Paschalis C. Sofotasios, Mulugeta K. Fikadu, Khuong Ho-Van +2
This work is devoted to the analysis of the performance of energy detection based spectrum sensing in the presence of enriched fading conditions which are distinct for the large nu…