John S. Vardakas

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 51

Top Topics

Resource Management

Wireless Networks

Quality Of Service

Top Venues

Publications

Christophoros Christophorou, Iacovos Ioannou, Vasos Vassiliou, Loizos Christofi, John S. Vardakas, Erin E. Seder, Carla-Fabiana Chiasserini, Marius Iordache, Chaouki Ben Issaid, Ioannis Markopoulos, Giulio Franzese, Tanel Järvet, Christos V. Verikoukis
ADROIT6G DAI-driven Open and Programmable Architecture for 6G Networks. CoRR (2024)
Ioannis Zenginis, John S. Vardakas, Nikolaos E. Koltsaklis, Christos V. Verikoukis
Real-Time Energy Scheduling Applying the Twin Delayed Deep Deterministic Policy Gradient and Data Clustering. IEEE Syst. J. 18 (1) (2024)
Anestis Dalgkitsis, Luis A. Garrido, Kostas Ramantas, John S. Vardakas, George Kormetzas, Christos V. Verikoukis
SCHEMA III: Dynamic & Scalable VNE Framework Based on Multi-Agent RL for 5G/6G Networks. GLOBECOM (2023)
Ioannis P. Chochliouros, John S. Vardakas, Kostas Ramantas, Sofie Pollin, Sylvie Mayrargue, Adlen Ksentini, Walter Nitzold, Md. Arifur Rahman, Jimmy O'Meara, Ashima Chawla, Dimitrios Kritharidis, Vasileios Theodorou, Shuaib Siddiqui, Francisco Ibañez, Georgios Gardikis, Dimitris Diagourtas, Loizos Christofi, Alain Mourad, Didier Nicholson, Alexandros Kostopoulos, Anastasia S. Spiliopoulou, Christos V. Verikoukis
6G-BRICKS: Developing a Modern Experimentation Facility for Validation, Testing and Showcasing of 6G Breakthrough Technologies and Devices. AIAI Workshops (2023)
Massimiliano Maule, John S. Vardakas, Christos V. Verikoukis
Multi-Service Network Slicing 5G NR Orchestration via Tailored HARQ Scheme Design and Hierarchical Resource Scheduling. IEEE Trans. Veh. Technol. 72 (4) (2023)
Ioannis P. Chochliouros, John S. Vardakas, Christos V. Verikoukis, Md. Arifur Rahman, Andrea P. Guevara, Robbert Beerten, Philippe Chanclou, Roberto Gonzalez, Charalambos Klitis, Pierangela Samarati, Polyzois Soumplis, Emmanuel A. Varvarigos, Dimitrios Kritharidis, Kostas Chartsias, Christina Lessi
Use Cases Employing a Machine Learning Network Architecture. AIAI Workshops (2023)
Anestis Dalgkitsis, Luis A. Garrido, Farhad Rezazadeh, Hatim Chergui, Kostas Ramantas, John S. Vardakas, Christos V. Verikoukis
SCHE2MA: Scalable, Energy-Aware, Multidomain Orchestration for Beyond-5G URLLC Services. IEEE Trans. Intell. Transp. Syst. 24 (7) (2023)
Irene P. Keramidi, John S. Vardakas, Kostas Ramantas, Ioannis D. Moscholios, Christos V. Verikoukis
Computational Load Management Strategies in Cell-Free-Based, Converged-Optical-Wireless 6G Networks. ICC (2023)
Christophoros Christophorou, Iacovos Ioannou, Vasos Vassiliou, Loizos Christofi, John S. Vardakas, Erin E. Seder, Carla-Fabiana Chiasserini, Marius Iordache, Chaouki Ben Issaid, Ioannis Markopoulos, Giulio Franzese, Tanel Järvet, Christos V. Verikoukis
ADROIT6G DAI-Driven Open and Programmable Architecture for 6G Networks. GLOBECOM (Workshops) (2023)
Massimiliano Maule, John S. Vardakas, Georgios Kormentzas, Christos V. Verikoukis
Multi-service Single Tenant 5G Fronthaul Resource Orchestration Framework based on Network Slicing. GLOBECOM (2022)
Ioannis Zenginis, John S. Vardakas, Nikolaos E. Koltsaklis, Christos V. Verikoukis
Smart Home's Energy Management Through a Clustering-Based Reinforcement Learning Approach. IEEE Internet Things J. 9 (17) (2022)
Irene P. Keramidi, John S. Vardakas, Kostas Ramantas, Ioannis D. Moscholios, Christos V. Verikoukis
Traffic Management in Cell-Free-Based 6G Networks. CSNDSP (2022)
Alexandros Kostopoulos, Ioannis P. Chochliouros, John S. Vardakas, Miquel Payaró, Sergio Barrachina, Md Arifur Rahman, Evgenii Vinogradov, Philippe Chanclou, Roberto Gonzalez, Charalambos Klitis, Sabrina De Capitani di Vimercati, Polyzois Soumplis, Emmanuel Manos Varvarigos, Dimitrios Kritharidis, Kostas Chartsias
Experimentation Scenarios for Machine Learning-Based Resource Management. AIAI Workshops (2022)
Ioannis Zenginis, John S. Vardakas, Kostas Ramantas, Christos V. Verikoukis
Smart home's energy management applying the deep deterministic policy gradient and clustering. CAMAD (2022)
Massimiliano Maule, John S. Vardakas, Christos V. Verikoukis
A Novel 5G-NR Resources Partitioning Framework Through Real-Time User-Provider Traffic Demand Analysis. IEEE Syst. J. 16 (4) (2022)
John S. Vardakas, Kostas Ramantas, Evgenii Vinogradov, Md. Arifur Rahman, Adam Girycki, Sofie Pollin, Simon Pryor, Philippe Chanclou, Christos V. Verikoukis
Machine Learning-Based Cell-Free Support in the O-RAN Architecture: An Innovative Converged Optical-Wireless Solution Toward 6G Networks. IEEE Wirel. Commun. 29 (5) (2022)
Michail Dalgitsis, John S. Vardakas, Christos V. Verikoukis
5G RAN resource slicing with flexible functional splits over multi-tenant environment. CAMAD (2021)
John S. Vardakas, Kostas Ramantas, Eftychia G. Datsika, Miquel Payaró, Sofie Pollin, Evgenii Vinogradov, Manos Varvarigos, Panagiotis C. Kokkinos, Roberto González-Sánchez, Juan Jose Vegas Olmos, Ioannis P. Chochliouros, Philippe Chanclou, Pierangela Samarati, Adam Flizikowski, Md Arifur Rahman, Christos V. Verikoukis
Towards Machine-Learning-Based 5G and Beyond Intelligent Networks: The MARSAL Project Vision. MeditCom (2021)
Eftychia G. Datsika, John S. Vardakas, Kostas Ramantas, Prodromos-Vasileios Mekikis, Idelfonso Tafur Monroy, Luiz Anet Neto, Christos V. Verikoukis
SDN-Enabled Resource Management for Converged Fi-Wi 5G Fronthaul. IEEE J. Sel. Areas Commun. 39 (9) (2021)
Massimiliano Maule, John S. Vardakas, Christos V. Verikoukis
5G RAN Slicing: Dynamic Single Tenant Radio Resource Orchestration for eMBB Traffic within a Multi-Slice Scenario. IEEE Commun. Mag. 59 (3) (2021)
Ioannis P. Chochliouros, Alexandros Kostopoulos, Miquel Payaró, Christos V. Verikoukis, Sabrina De Capitani di Vimercati, Evgenii Vinogradov, Vida Ranjbar, John S. Vardakas, Md. Arifur Rahman, Polyzois Soumplis, Emmanouel A. Varvarigos
Machine Learning-Based, Networking and Computing Infrastructure Resource Management. AIAI Workshops (2021)
Ekaterina Mpantola, John S. Vardakas, Malamati D. Louta
Performance evaluation of Cloud Radio Access Networks by jointly considering communicational and computational network resources. SEEDA-CECNSM (2021)
Mohammadreza Mosahebfard, John S. Vardakas, Christos V. Verikoukis
Modelling the Admission Ratio in NFV-Based Converged Optical-Wireless 5G Networks. IEEE Trans. Veh. Technol. 70 (11) (2021)
Massimiliano Maule, Prodromos-Vasileios Mekikis, Kostas Ramantas, John S. Vardakas, Christos V. Verikoukis
Dynamic partitioning of radio resources based on 5G RAN Slicing. GLOBECOM (2020)
Eftychia G. Datsika, John S. Vardakas, Georgios Kalfas, Christos Vagionas, Agapi Mesodiakaki, Christos V. Verikoukis
End-to-End Delay Performance of Analog Fiber Wireless Architecture for 5G NR Fronthaul. ICTON (2020)
Zoran Vujicic, Jonathan Rodriguez, Nikos I. Passas, Rahat Iqbal, Tomasz Maniak, Eftychia G. Datsika, John S. Vardakas, Charalampos Karyotis, Sherif Adeshina Busari, Christos V. Verikoukis
EXPLOR - A Novel Holistic Numerical Platform for Converged Optical-Wireless B5G Networks. CAMAD (2020)
George Kalfas, Christos Vagionas, Angelos Antonopoulos, Elli Kartsakli, Agapi Mesodiakaki, Sotirios Papaioannou, Pavlos Maniotis, John S. Vardakas, Christos V. Verikoukis, Nikos Pleros
Next Generation Fiber-Wireless Fronthaul for 5G mmWave Networks. IEEE Commun. Mag. 57 (3) (2019)
Agapi Mesodiakaki, Pavlos Maniotis, Christos Vagionas, John S. Vardakas, Elli Kartsakli, Angelos Antonopoulos, Christos V. Verikoukis, Nikos Pleros, George Kalfas
Delay Analysis of a Gated Service MAC Protocol for Fiber-Wireless 5G MmWave C-RANs. ICC (2019)
Massimiliano Maule, Prodromos-Vasileios Mekikis, Kostas Ramantas, John S. Vardakas, Christos V. Verikoukis
Real-Time Dynamic Network Slicing for the 5G Radio Access Network. GLOBECOM (2019)
Tareq M. Shami, David Grace, Alister G. Burr, John S. Vardakas
Load balancing and control with interference mitigation in 5G heterogeneous networks. EURASIP J. Wirel. Commun. Netw. 2019 (2019)
Ioannis Zenginis, John S. Vardakas, Jordi Abadal, Cynthia Echave, Moises Morato, Christos V. Verikoukis
Optimal Power Equipment Sizing and Management for Cooperative Buildings in Microgrids. IEEE Trans. Ind. Informatics 15 (1) (2019)
George Kalfas, Nikos Pleros, Mauro Agus, Annachiara Pagano, L. Anet Neto, Agapi Mesodiakaki, Christos Vagionas, John S. Vardakas, Eftychia G. Datsika, Christos V. Verikoukis
Converged Analog Fiber-Wireless Point-to-Multipoint Architecture for eCPRI 5G Fronthaul Networks. GLOBECOM (2019)
Agapi Mesodiakaki, Pavlos Maniotis, Georgios Kalfas, Christos Vagionas, John S. Vardakas, Elli Kartsakli, Angelos Antonopoulos, Eftychia G. Datsika, Christos V. Verikoukis, Nikos Pleros
A Gated Service MAC Protocol for 5G Fiber-Wireless Cloud-Radio Access Networks. ONDM (2019)
Mohammadreza Mosahebfard, John S. Vardakas, Kostas Ramantas, Christos V. Verikoukis
SDN/NFV-Based Network Resource Management for Converged Optical-Wireless Network Architectures. ICTON (2019)
Kostas Ramantas, Angelos Antonopoulos, Elli Kartsakli, Prodromos-Vasileios Mekikis, John S. Vardakas, Christos V. Verikoukis
A C-RAN Based 5G Platform with a Fully Virtualized, SDN Controlled Optical/Wireless Fronthaul. ICTON (2018)
Eftychia G. Datsika, Elli Kartsakli, John S. Vardakas, Angelos Antonopoulos, George Kalfas, Pavlos Maniotis, Christos Vagionas, Nikos Pleros, Christos V. Verikoukis
QoS-Aware Resource Management for Converged Fiber Wireless 5G Fronthaul Networks. GLOBECOM (2018)
Georgios Kalfas, Pavlos Maniotis, Agapi Mesodiakaki, Sotirios Papaioannou, Christos Vagionas, Marios Gatzianas, Elli Kartsakli, John S. Vardakas
Medium-Transparent Packet-Based Fronthauling for 5G Hot-Spot Networks. ICTON (2018)
Agapi Mesodiakaki, Pavlos Maniotis, Christos Vagionas, Marios Gatzianas, Eftychia G. Datsika, Elli Kartsakli, John S. Vardakas, George Kalfas
Medium-transparent Dynamic Bandwidth Allocation for 5G Fiber Wireless Dense Fronthaul Networks. CAMAD (2018)
Sotirios Papaioannou, George Kalfas, Christos Vagionas, Pavlos Maniotis, Amalia N. Miliou, Nikos Pleros, L. Anet Neto, Paraskevas Chanclor, M. Raj-Ali, Paraskevas Bakopoulos, Christophe Caillaud, Helene Debregeas, M. B. Sirbu, Y. Eichhammer, Eleni Theodoropoulou, George L. Lyberopoulos, Elli Kartsakli, John S. Vardakas, Guy Torfs, X. Yin, Kostas Tsagkaris, Panagiotis Demestichas, Giannis Giannoulis, Hercules Avramopoulos, George Lentaris, Emmanouel A. Varvarigos, Idelfonso Tafur Monroy, E. Dayan, Yigal Leiba, I. Dimogiannis, A. Kontogiannis, Roberto Magri, Antonio Tartaglia, C. G. H. Roeloffzen, R. M. Oldenbeuving
5G mm Wave Networks Leveraging Enhanced Fiber-Wireless Convergence for High-Density Environments: The 5G-PHOS Approach. BMSB (2018)
Ioannis Zenginis, John S. Vardakas, Nizar Zorba, Christos V. Verikoukis
Performance Evaluation of a Multi-Standard Fast Charging Station for Electric Vehicles. IEEE Trans. Smart Grid 9 (5) (2018)
John S. Vardakas, Ioannis Zenginis, Nizar Zorba, Cynthia Echave, Moises Morato, Christos V. Verikoukis
Electrical Energy Savings through Efficient Cooperation of Urban Buildings: The Smart Community Case of Superblocks' in Barcelona. IEEE Commun. Mag. 56 (11) (2018)
George Kalfas, Pavlos Maniotis, Maria Oikonomakou, Elli Kartsakli, John S. Vardakas, Nikos Pleros, Christos V. Verikoukis
On converged Medium-Transparent MAC protocols for mm-wave fiber-wireless networks. CAMAD (2017)
Matteo Vincenzi, Angelos Antonopoulos, Elli Kartsakli, John S. Vardakas, Luis Alonso, Christos V. Verikoukis
Cooperation incentives for multi-operator C-RAN energy efficient sharing. ICC (2017)
John S. Vardakas, Idelfonso Tafur Monroy, Lena Wosinska, George Agapiou, Romain Brenot, Nikos Pleros, Christos V. Verikoukis
Towards high capacity and low latency backhauling in 5G: The 5G STEP-FWD vision. ICTON (2017)
Matteo Vincenzi, Angelos Antonopoulos, Elli Kartsakli, John S. Vardakas, Luis Alonso, Christos V. Verikoukis
Multi-Tenant Slicing for Spectrum Management on the Road to 5G. IEEE Wirel. Commun. 24 (5) (2017)
Maria Oikonomakou, Polynikis Kaloudis, Angelos Antonopoulos, Pavlos Maniotis, Elli Kartsakli, John S. Vardakas
Internet services market across Europe during crisis: A study focused on low-income groups. CAMAD (2017)
George Kalfas, John S. Vardakas, L. Alonso, Christos V. Verikoukis, Nikos Pleros
Medium Transparent MAC access schemes for seamless packetized fronthaul in mm-wave 5G picocellular networks. ICTON (2017)
John S. Vardakas, Elli Kartsakli, Sotirios Papaioannou, George Kalfas, Nikos Pleros, Angelos Antonopoulos, Christos V. Verikoukis
Quality of Service Provisioning in High-Capacity 5G Fronthaul/Backhaul Networks. IMCL (2017)
Nikolaos Giatsoglou, Angelos Antonopoulos, Elli Kartsakli, John S. Vardakas, Christos V. Verikoukis
Transmission Policies for Interference Management in Full-Duplex D2D Communication. GLOBECOM (2016)
George Kalfas, John S. Vardakas, Nikos Pleros, Luis Alonso, Christos V. Verikoukis
Delay Analysis of Converged Medium Transparent Fixed Service Optical-Wireless Networks. GLOBECOM (2016)
Nikolaos Giatsoglou, Angelos Antonopoulos, Elli Kartsakli, John S. Vardakas, Christos V. Verikoukis
Transmission Policies for Interference Management in Full-Duplex D2D Communication. CoRR (2016)
John S. Vardakas, Nizar Zorba, Christos V. Verikoukis
A Survey on Demand Response Programs in Smart Grids: Pricing Methods and Optimization Algorithms. IEEE Commun. Surv. Tutorials 17 (1) (2015)
John S. Vardakas, Nizar Zorba, Charalabos Skianis, Christos V. Verikoukis
Performance Analysis of M2M Communication Networks for QoS-Differentiated Smart Grid Applications. GLOBECOM Workshops (2015)
Ioannis D. Moscholios, Michael D. Logothetis, John S. Vardakas, Anthony C. Boucouvalas
Performance metrics of a multirate resource sharing teletraffic model with finite sources under the threshold and bandwidth reservation policies. IET Networks 4 (3) (2015)
Ioannis D. Moscholios, Michael D. Logothetis, John S. Vardakas, Anthony C. Boucouvalas
Congestion probabilities of elastic and adaptive calls in Erlang-Engset multirate loss models under the threshold and bandwidth reservation policies. Comput. Networks 92 (2015)
Ali Parichehreh, Kostas Ramantas, Umberto Spagnolini, John S. Vardakas
Scheduling of the super-dense wireless cloud networks. ICC Workshops (2015)
Alister G. Burr, Cheng Chen, Mehdi M. Molu, Kostas Ramantas, John S. Vardakas
System-level simulation of multihop wireless networks using physical-layer network coding. EuCNC (2015)
John S. Vardakas
Electric vehicles charging management in communication controlled fast charging stations. CAMAD (2014)
Georgios Kollias, Ferran Adelantado, John S. Vardakas, Kostas Ramantas
Handover performance in LTE-A HetNets through inter-site distance differentiation. CAMAD (2014)
Vassilios G. Vassilakis, Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis
Handoff modeling in cellular CDMA with finite sources and state-dependent bandwidth requirements. CAMAD (2014)
Michael D. Logothetis, John S. Vardakas, Ioannis D. Moscholios
Performance evaluation of a Dynamic Wavelength Allocation protocol in WDM-TDM PONs servicing Pareto ON-OFF traffic. ICTON (2014)
John S. Vardakas, Ioannis Zenginis
A Survey on Short-Term Electricity Price Prediction Models for Smart Grid Applications. WICON (2014)
Michael D. Logothetis, John S. Vardakas, Ioannis D. Moscholios
Performance evaluation of PON technologies. ICTON (2014)
John S. Vardakas, Ioannis D. Moscholios, Nizar Zorba, Michael D. Logothetis, Christos V. Verikoukis
Delay analysis of converged optical-wireless networks with quality of service support. IET Circuits Devices Syst. 8 (5) (2014)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Vassilios Stylianakis
Performance analysis of OCDMA PON configuration supporting multi-rate bursty traffic with retrials and QoS differentiation. Opt. Switch. Netw. 13 (2014)
Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis, Anthony C. Boucouvalas
Congestion probabilities in a batched Poisson multirate loss model supporting elastic and adaptive traffic. Ann. des Télécommunications 68 (5-6) (2013)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Vassilios Stylianakis
Performance Analysis of OCDMA PONs Supporting Multi-Rate Bursty Traffic. IEEE Trans. Commun. 61 (8) (2013)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Vassilios Stylianakis
On code reservation in multi-rate OCDMA Passive Optical Networks. CSNDSP (2012)
Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis, Anthony C. Boucouvalas
QoS guarantee in a batched poisson multirate loss model supporting elastic and adaptive traffic. ICC (2012)
Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis, Anthony C. Boucouvalas
Derivatives of blocking probabilities in multirate access tree networks. CSNDSP (2012)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Vassilios Stylianakis
An Analytical Approach for Dynamic Wavelength Allocation in WDM-TDMA PONs Servicing ON-OFF Traffic. JOCN 3 (4) (2011)
Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis, Anthony C. Boucouvalas
A Batched Poisson Multirate Loss Model Supporting Elastic Traffic under the Bandwidth Reservation Policy. ICC (2011)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Vassilios Stylianakis
ON-OFF traffic models for a hybrid TDM-WDM PON with dynamic wavelength allocation. CSNDSP (2010)
Ioannis D. Moscholios, John S. Vardakas, Michael D. Logothetis, Anthony C. Boucouvalas
QoS guarantee in the Erlang Multirate Loss Model based on derivatives of blocking probabilities. CSNDSP (2010)
Franz Röck, John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, Erich Leitgeb
A Simple Analytical Model for the Calculation of Packet Blocking Probability in an Optical Packet Switching Netw. Panhellenic Conference on Informatics (2010)
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis
An Analytical Study of an All-Optical Packet Switch with QoS Support. AICT (2010)
John S. Vardakas, Michael D. Logothetis
End-to-end delay analysis of the IEEE 802.11e with MMPP input-traffic. ISADS (2009)
John S. Vardakas, Vassilios G. Vassilakis, Michael D. Logothetis
Blocking Analysis for Priority Classes in Hybrid WDM-OCDMA Passive Optical Networks. AICT (2009)
John S. Vardakas, Vassilios G. Vassilakis, Michael D. Logothetis
Blocking Analysis in Hybrid TDM-WDM PONs Supporting Elastic Traffic. AICT (2008)
John S. Vardakas, Michael K. Sidiropoulos, Michael D. Logothetis
Performance behaviour of IEEE 802.11 distributed coordination function. IET Circuits Devices Syst. 2 (1) (2008)
Ioannis Papapanagiotou, John S. Vardakas, Georgios S. Paschos, Michael D. Logothetis, Stavros A. Kotsopoulos
Performance evaluation of IEEE 802.11e based on ON-OFF traffic model. MobiMedia (2007)