Georgios Athanasiou

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As the spectrum is becoming more scarce due to exponential demand of formidable data quantities, the new millimiterwave (mmW) band is considered as an enabling player of 5G communications to provide multi-gigabits wireless acccess. MmW communications exhibit high attenuation and blockage, directionality due to massive beamforming, deafness,(More)
Taking into consideration the rapid evolution of communication standards that include message authentication and integrity verification, it is realized that constructions like MAC and HMAC, are widely used in the most popular cryptographic schemes since provision of a way to check the integrity of information transmitted over or stored in an unreliable(More)
Citizen participation in the environmental policy making process is a new concept still in development, however there is a growing interest in it. Present paper presents the newly funded H2020 EU project SCENT, which aims to use smart collaborative technologies, to enable citizens to become the 'eyes' of the authorities and policy makers and to monitor(More)
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