10 citations · 10 across the 7 of their papers we have counts for
10 papers
Extreme Level Crossing Rate: A New Performance Indicator for URLLC Systems
Nikolaos I. Miridakis, Theodoros A. Tsiftsis, Panagiotis A. Karkazis +2
Level crossing rate (LCR) is a well-known statistical tool that is related to the duration of a random stationary fading process \emph{on average}. In doing so, LCR cannot capture…
Low Complexity Resource Allocation for Massive Carrier Aggregation
Stelios Stefanatos, Fotis Foukalas, Theodoros A. Tsiftsis
Optimal resource allocation (RA) in massive carrier aggregation scenarios is a challenging combinatorial optimization problem whose dimension is proportional to the number of users…
Energy-efficient Traffic Bypassing in LTE HetNets with Mobile Relays
George T. Karetsos, Angelos Rouskas, Fotis Foukalas
One of the core technologies being standardized by 3GPP for LTE-A is the introduction of Relay Nodes (RNs). RNs are intended for ensuring coverage at cell edges as well as for the…
On the Performance of Adaptive Modulation in Cognitive Radio Networks
F. Foukalas, G. T. Karetsos
We study the performance of cognitive radio networks (CRNs) when incorporating adaptive modulation at the physical layer. Three types of CRNs are considered, namely opportunistic s…
Packet Relaying Control in Sensing-based Spectrum Sharing Systems
F. Foukalas, T. Khattab, H. V. Poor
Cognitive relaying has been introduced for opportunistic spectrum access systems by which a secondary node forwards primary packets whenever the primary link faces an outage condit…
A Study on Spectral Efficiency of Physical Layer over Cognitive Radio
Fotis Foukalas, Lazaros Merakos
Despite the conclusive potential of cognitive radio for provisioning the dynamic and flexible spectrum/channel allocation, the research community should study the performance gain…