• 5G-VICTORI: Future Railway Communications Requirements Driving 5G Deployments in Railways 

      Mesogiti I., Theodoropoulou E., Setaki F., Lyberopoulos G., Tzanakaki A., Anastassopoulos M., Politi C., Papaioannou P., Tranoris C., Denazis S., Flegkas P., Makris N., Maletic N., Cvetkovski D., Teran J.G., Chartsias P.K., Stamatis K., Xezonaki M., Kritharidis D., Dalkalitsis A., Taferner M., Piovarci M. (2021)
      The complete transformation of the ICT domain driven by 5G network principles and capabilities, will impact significantly the path towards digitalization of many vertical industries, with modern railway transportations ...
    • 5G-XHaul: A Novel Wireless-Optical SDN Transport Network to Support Joint 5G Backhaul and Fronthaul Services 

      Camps-Mur D., Gutiérrez J., Grass E., Tzanakaki A., Flegkas P., Choumas K., Giatsios D., Beldachi A.F., Diallo T., Zou J., Legg P., Bartelt J., Chaudhary J.K., Betzler A., Aleixendri J.J., González R., Simeonidou D. (2019)
      The increased carrier bandwidth and the number of antenna elements expected in 5G networks require a redesign of the traditional IP-based backhaul and CPRI-based fronthaul interfaces used in 4G networks. We envision future ...
    • 5GOS: Demonstrating multi-domain orchestration of end-to-end virtual RAN services 

      Camps-Mur D., Canellas F., Machwe A., Paracuellos J., Choumas K., Giatsios D., Korakis T., Kouchaksaraei H.R. (2020)
      Despite recent progress in orchestration of Virtual Network Functions (VNFs) and in multi-technology SDN connectivity, the automated provisioning of end-to-end network services composed of virtual functions deployed across ...
    • Backbone formation in military multi-layer ad hoc networks using complex network concepts 

      Papakostas D., Basaras P., Katsaros D., Tassiulas L. (2016)
      Modern battlefields are characterized by increasing deployment of ad hoc communications among allied entities. These networks can be seen as a complex multi-layer ad hoc network, where each layer may be an independently ...
    • Bargaining-based mobile data offloading 

      Gao, L.; Iosifidis, G.; Huang, J.; Tassiulas, L.; Li, D. (2014)
      The unprecedented growth of mobile data traffic challenges the performance and economic viability of today's cellular networks and calls for novel network architectures and communication solutions. Data offloading through ...
    • C2M: Mobile data offloading to mesh networks 

      Apostolaras, A.; Iosifidis, G.; Chounos, K.; Korakis, T.; Tassiulas, L. (2014)
      As the unprecedented growth of mobile data traffic places significant strain on cellular networks, alternative plans for exploiting already existing and under-utilized wireless infrastructure, become quite attractive. In ...
    • A citizen telemonitoring strategy as envisaged for Central Greece 

      Dafoulas, G. E.; Gorgogetas, G.; Liatou, K.; Karampoulas, K.; Vallas, G.; Angelidis, P. (2011)
      Renewing Health, a Pilot A, CIP/PSP project, funded from the European Commission, aims at implementing large-scale real-life test beds for the validation and subsequent evaluation of innovative telemedicine services using ...
    • The CNOSSOS-EU initiative: A framework for road, railway, aircraft and industrial noise modelling for strategic noise mapping in EU Member States 

      Coelho, J. L. B.; Vogiatzis, K.; Licitra, G. (2011)
      The European Directive 2002/49/EC relating to assessment and management of environmental noise establishes that common assessment methods for the determination of environmental noise indicators will be defined for use in ...
    • Collusion of operators in wireless spectrum markets 

      Korcak, O.; Alpcan, T.; Iosifidis, G. (2012)
      The liberalization of wireless spectrum markets has been envisioned as a method for improving mobile communication services and accommodating the increasing traffic volumes of wireless users. It has been assumed that ...
    • Community building over neighborhood Wireless Mesh Networks 

      Antoniadis, P.; Le Grand, B.; Satsiou, A.; Tassiulas, L.; Aguiar, R.; Barraca, J. P.; Sargento, S. (2008)
      The fourth generation (4G) networks provide a converged environment for technology and service provision. The user-centric vision next-generation 4G is neighborhood Wireless Mesh Networks (WMNs). The vision for the formation ...
    • Cross-layer optimized authentication and error control for wireless 3D medical video streaming over LTE 

      Liu Y., Liu J., Argyriou A., Ci S. (2017)
      3D video for tele-medicine applications is gradually gaining momentum since the 3D technology can provide precise location information. However, the weak link for 3D video streaming is the necessary wireless link of the ...
    • Cross-network and cross-layer optimized video streaming over LTE and WCDMA downlink 

      Deng Z., Liu Y., Liu J., Chen X., Argyriou A., Xu Z., Ci S. (2016)
      Video services are proliferating over today's mobile Internet and efforts have been made to improve their performance. The cross-layer video streaming that jointly optimizes the parameters at different protocol layers is ...
    • Demo: Experimentation in controlled and operational LTE settings with FLEX-MONROE 

      Fida M.-R., Kousias K., Lutu A., Rajiullah M., Alay O., Brunstrom A., Argyriou A. (2017)
      This demo paper presents FLEX-MONROE, a platform that facilitates better understanding of current LTE Mobile Broadband (MBB) networks and enables performance improvements by allowing experimentation with controllable LTE ...
    • Demo: Real LTE experimentation in a controlled environment 

      Maglogiannis V., Naudts D., Moerman I., Makris N., Korakis T. (2015)
      LTE, commonly known as 4G, stands for Long-Term Evolution and is a wireless communication technology standardized by 3GPP. LTE adoption has increased drastically over the last years, and today is integrated widely in a ...
    • A demonstration of evolved user equipment for collaborative wireless backhauling in next generation cellular networks 

      Apostolaras A., Nikaein N., Knopp R., Cipriano A.M., Korakis T., Koutsopoulos I., Tassiulas L. (2015)
      In this work, we demonstrate and validate a novel architecture for next generation cellular networks that enables collaborative forwarding at Layer 2 among adjacent eNBs with the aid of enhanced user equipment (UE) devices, ...
    • A diet-guide mobile application for diabetes mellitus management 

      Kasmeridis N.Ch., Vassilakopoulos M.G. (2015)
      Modern nutritional habits have caused the dramatic increase in diabetes mellitus cases, predominantly in developed countries. Diabetes, which is characterized by high blood sugar levels over a prolonged period, is mainly ...
    • A double-auction mechanism for mobile data-offloading markets 

      Iosifidis G., Gao L., Huang J., Tassiulas L. (2015)
      The unprecedented growth of mobile data traffic challenges the performance and economic viability of today's cellular networks and calls for novel network architectures and communication solutions. Mobile data offloading ...
    • Enabling distributed spectral awareness for disaggregated 5G ultra-dense hetnets 

      Chounos K., Makris N., Korakis T. (2019)
      Future wireless infrastructures will have to deal with significantly higher loads of data, produced by applications demanding higher capacity with lower latency for the exchanged information. 5G networks are expected to ...
    • Enabling open access to LTE network components; The NITOS testbed paradigm 

      Makris N., Zarafetas C., Kechagias S., Korakis T., Seskar I., Tassiulas L. (2015)
      The lessons already learned from the existing protocols operation are taken into deep consideration during the standardization activities of the potential technologies opted for the future 5th Generation mobile networks. ...
    • Energy-aware backbone formation in military multilayer ad hoc networks 

      Papakostas D., Eshghi S., Katsaros D., Tassiulas L. (2018)
      Ad hoc networks designed for deployment in modern battlefields need to take care of traditional requirements related to their backbone's size, their energy efficiency, their scalability in terms of network size, but also ...