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John Vardakas

 
Personal Data
Name:   
John Vardakas
Email:   
jvardakas@iquadrat.com
Personal Web Page:   
Personell Type:   
Researcher
Current Employment: Iquadrat Informatica, Barcelona, Spain
   
   
   

Curriculum Vitae

John S. Vardakas was born in Alexandria, Greece, in 1979. He received his Dipl. - Eng. degree in Electrical and Computer Engineering from the Democritus University of Thrace, Greece, in 2004 and his PhD from the Department of Electrical and Computer Engineering, University of Patras, Greece, in 2012. Since July 2012 he is a Senior Researcher at Iquadrat, Barcelona, Spain. His research interests include teletraffic engineering in optical and wireless networks and perfrormance analysis of smart grids. He is a member of the IEEE, the Optical Society of America (OSA) and the Technical Chamber of Greece (TEE).
 

My CV

 

PhD Dissertation
    D-1           John S. Vardakas, Performance Assessment of Multi-Rate Communication Networks with Emphasis on Optical Networks, 2012.

 

Journal Publications

J-34   I. Zenginis, J. Vardakas, J. Abadal, C. Echave, M. Morato and C. Verikoukis, "Optimal power equipment sizing and management for cooperative buildings in microgrids," IEEE Transactions on Industrial Informatics, early access, 2018.
J-33   J. S. Vardakas, I. Zenginis, N. Zorba, C. Echave, M. Morató, and C. V. Verikoukis, “Electricial energy savings through efficient cooperation of urban buildings: the smart community case of ‘Superblocks’ in Barcelona”, IEEE Communications Magazine, vol. 56, no. 11, pp. 102-109, Nov. 2018.
J-32   I. Zenginis, J. S. Vardakas, C. Echave, M. Morató, J. Abadal, and C. V. Verikoukis, “Cooperation in microgrids through power exchange: An optimal sizing and operation approach”, Applied Energy, vol. 203, pp. 972-981, 2017.
 
J-31   M.Vincenzi, A.Antonopoulos, E.Kartsakli, J.Vardakas, L.Alonso and Ch.Verikoukis “Multitenant Slicing for Spectrum Management on the Road to 5G”, IEEE Wireless Communications, vol. 24, no. 5, pp. 118-125, October 2017..
 
J-30   G. Kalfas, J. Vardakas, L. Alonso, C. Verikoukis, N. Pleros, "Non-saturation delay analysis of Medium Transparent MAC protocol for 5G 60GHz Fiber-Wireless towards 5G mmWave networks," IEEE/OSA Journal of Lightwave Technology , 2017.
 
J-29   Ioannis Zenginis, John S. Vardakas, Nizar Zorba, and Christos V. Verikoukis, "Performance Evaluation of a Multi-standard Fast Charging Station for Electric Vehicles", IEEE Transactions on Smart Grid, accepted, 2017.
 
J-28   Ioannis Zenginis, John S. Vardakas, Nizar Zorba, and Christos V. Verikoukis, "Analysis and quality of service evaluation of a fast charging station for electric vehicles", Energy, vol. 112, no. 1, pp. 669-678, October 2016.
 
J-27   John S. Vardakas, Nizar Zorba and Christos V. Verikoukis, "Power Demand Control Scenarios for Smart Grid Applications with Finite Number of Appliances", Applied Energy, vol. 162, pp. 83–98, Jan. 2016. pdf

J-26   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, Computer Networks, vol. 92, Part 1, 9 December 2015, pp. 1–23. pdf
 
J-25   John S. Vardakas, Nizar Zorba and Christos V. Verikoukis,"Performance Evaluation of Power Demand Scheduling Scenarios in a Smart Grid Environment", Applied Energy, Vol. 142, pp. 164–178, 15 March 2015. pdf
 
J-24   K. Niotaki, A. Georgiadis, A. Collado, J. S. Vardakas, "Dual-Band Resistance Compression Networks for Improved Rectifier Performance," IEEE Transactions on Microwave Theory and Techniques, vol.62, no.12, pp. 3512-3521, Dec. 2014.
 
J-23  
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 Volume 4, Issue 3, May 2015, p. 195 – 208.

J-22   John S. Vardakas, Nizar Zorba and Christos V. Verikoukis, “A Survey on Demand Response Programs in Smart Grids: Pricing Methods and Optimization Algorithms”, IEEE Communication Surveys and Tutorials, vol.17, no.1, pp.152-178, First quarter 2015. pdf
 
J-21  
K. Niotaki, A. Collado, A. Georgiadis, A., and J. Vardakas, "5 Watt GaN HEMT Power Amplifier for LTE", RADIOENGINEERING, vol. 23, no. 1, pp. 338-344, April 2014.
 
J-20  
John S. Vardakas, Nizar Zorba and Christos V. Verikoukis, “Scheduling Policies for Two-State Smart-Home Appliances in Dynamic Electricity Pricing Environments”, Energy, Elsevier, vol. 69, pp. 455-469, May 2014.    pdf
 
J-19   J. S. Vardakas, I. D. Moscholios, M. D. Logothetis and V. G. Stylianakis, "Performance Analysis of OCDMA PON Configuration Supporting Multi-Rate Bursty Traffic with Retrials and QoS Differentiation", Optical Switching and Networking, vol. 13, pp. 112–123, July 2014. pdf

J-18   J. S. Vardakas, I. D. Moscholios, N. Zorba, M. D. Logothetis and C. V. Verikoukis, “Delay Analysis of Converged Optical- Wireless Networks with QoS Support”, IET Circuits, Devices & Systems, vol. 8, no. 5, pp. 339-348, Sept. 2014. pdf
 
J-17  
I. Moscholios, V. Vassilakis, M. Logothetis, M., & J. Vardakas, "Erlang-Engset Multirate Retry Loss Models for Elastic and Adaptive Traffic under the Bandwidth Reservation Policy", International Journal On Advances in Networks and Services, vol. 7, no. (1 and 2), pp. 12-24, 2014. pdf
 
J-16   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis and M. & Koukias, “A Quasi- Random Multirate Loss Model Supporting Elastic and Adaptive Traffic under the Bandwidth Reservation Policy”, International Journal On Advances in Networks and Services, vol. 6, no. 3 and 4, pp. 163-174, Dec. 2013. pdf
 
J-15   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis and A. C. Boucouvalas, “Derivatives of Blocking Probabilities in Multirate Access Tree Networks”, Advances in Electronics and Telecommunications, vol. 3, no. 5, Dec. 2013. pdf
 
J-14   J. S. Vardakas, I. D. Moscholios, M. D. Logothetis and V. G. Stylianakis, "Performance Analysis of OCDMA PONs Supporting Multi-Rate Bursty Traffic", IEEE Transactions on Communications, vol. 61, no. 8, pp. 3374-3384, August 2013. pdf

J-13   J. S. Vardakas, I. D. Moscholios, M. D. Logothetis and V. G. Stylianakis, "Blocking Performance of Multi-rate OCDMA PONs with QoS Guarantee", International Journal On Advances in Telecommunications, Vol. 5, No. 3 and 4, pp. 120-130, December 2012. pdf
 
J-12   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis and A. C. Boucouvalas, “Congestion Probabilities in a Batched Poisson Multirate Loss Model Supporting Elastic and Adaptive Traffic”, Annals of Telecommunications, Springer, vol. 68, no. 5, 2013, pp. 327-344. pdf
 
J-11   I. Moscholios, J. Vardakas, M. Logothetis, and A. Boucouvalas, "New algorithms for Performance Measures Derivatives in the Erlang Multirate Loss Model including the Bandwidth Reservation Policy", Mediterranean Journal of Computers and Networks, vol. 7, no 4, Oct. 2011. pdf
 
J-10   I. D. Moscholios, V. G. Vassilakis, J. S. Vardakas and M. D. Logothetis, Retry loss models supporting elastic traffic”, Advances in Electronics and Telecommunications, vol.2, no.3, September 2011. pdf
 
J-9   John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, and Vassilios G. Stylianakis, "An Analytical Approach for Dynamic Wavelength Allocation in WDM-TDMA PONs Servicing ON-OFF Traffic", IEEE/OSA Journal of Optical Communications and Networking, Vol.3, No. 4, April 2011, pp. 347-358. pdf
 
J-8  
John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, and Vassilios G. Stylianakis, “A Mathematical Framework for the Performance Evaluation of an All-Optical Packet Switch with QoS Differentiation”, International Journal On Advances in Telecommunications, 2010, vol. 3, no. 3&4. pdf
 
J-7   Kyriakos E. Zoiros, John S. Vardakas, and Marios Tsigkas, "Study on the instantaneous frequency deviation of pulses switched from semiconductor optical amplifier “assisted Sagnac interferometer", Optical Engineering, Vol. 49, Iss. 7, pp.075003, 2010, ISSN: 00913286.
 
J-6   John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, “Call-level analysis of hybrid WDM-OCDMA Pssive Optical Networks with finite traffic sourcesJournal on Information Technologies and Communications (JITC), Special issue on Modeling and Analysis Aspects of NGN networks, July 2009. pdf
 
J-5      J. S. Vardakas, M. K. Sidiropoulos and M. D. Logothetis, "Performance Behavior of IEEE 802.11 Distributed Coordination Function", IET Circuits, Devices & Systems, Vol. 2, No. 1, pp. 50-59, Feb. 2008. pdf
 
J-4      J.S. Vardakas, V.G. Vassilakis and M.D. Logothetis, “Performance Modeling and Analysis of Passive Optical Networks for Poisson Traffic"”, Journal of Communications, 4/2008, pp. 38 – 44, University of Zilina, Slovakia, 2008.  pdf
 
J-3      J. S. Vardakas, K. E. Zoiros, "Performance Investigation of All-Optical Clock Recovery Circuit Based on Fabry-Pérot Filter and SOA-Assisted Sagnac Switch", Optical Engineering, Vol. 46(8), 085005, August 2007.
 
J-2      K.E. Zoiros, J. Vardakas, T. Houbavlis, and M. Moyssidis, "Investigation of SOA–assisted Sagnac recirculating shift register switching characteristics", Optic-International Journal for Light and Electron, Elsevier, Vol. 116, Issue 11, 17 October 2005, Pages 527-541.
 
J-1      K.E. Zoiros, J. Vardakas, C.S. Koukourlis, T. Houbavlis, "Analysis and design of ultrahigh–speed all optical semiconductor-optical-amplifier assisted Sagnac recirculating shift register with an inverter", Optical Engineering, Vol. 44(6), 065001, June 2005.

Conference Publications

C-55   E. Datsika, E. Kartsakli, J. Vardakas, A. Antonopoulos, G. Kalfas, P. Maniotis, C. Vagionas, N. Pleros, and C. Verikoukis, “QoS-aware resource management for converged Fiber Wireless 5G Fronthaul networks, in Proc. IEEE GLOBECOM 2018, Abu Dhabi, 9-13 Dec. 2018.
 
C-54   Stamatia Rizou, Klemen Kenda, Dimitris Kofinas, Nikos Mellios, Petra Pergar, P Ritsos, John Vardakas, Kostas Kalaboukas, Chrysi Laspidou, Matej Senožetnik, Alexandra Spyropoulou, “Water4Cities: An ICT Platform Enabling Holistic Surface Water and Groundwater Management for Sustainable Cities” in Proc. 3rd EWaS International Conference, Lefkada, Greece, 27-30 Jun. 2018.
 
C-53   G. Kalfas, P. Maniotis, A. Mesodiakaki, S. Papaioannou, Ch. Vagionas, M. Gatzianas, E. Kartsakli, and J. Vardakas, “Medium-transparent packet-based fronthauling for 5G Hot-spot networks (Invited)”, in Proc. ICTON 2018, Bucharest, Romania, 1-5 Jul. 2018.
 
C-52   K. Ramantas, A. Antonopoulos, E. Kartsakli, P.-V. Mekikis, J. Vardakas, and C. Verikoukis, “A C-RAN based 5G platform with a fully virtualized, SDN controlled optical/wireless fronthaul (Invited)”, in Proc. ICTON 2018, Bucharest, Romania, 1-5 Jul. 2018.
 
C-51   J. S. Vardakas, E. Kartsakli, S. Papaioannou, G. Kalfas, N. Pleros, A. Antonopoulos, and C. Verikoukis, “Quality of Service Provisioning in High-Capacity 5G Fronthaul/Backhaul Networks”, in Proc. IMCL 2017, pp. 797-804, Thessaloniki, Greece, 30-Nov. 01 Dec. 2017.
 
C-50   V.G. Vassilakis, I.D. Moscholios, J. S. Vardakas, M.D. Logothetis, "On the Digital Certificate Management in Advanced Metering Infrastructure Networks", in Proc. IEICE ICTF, Poznan, Poland, July 2017.
 
C-49   J. S. Vardakas, I.T. Monroy, L. Wosinska, G. Agapiou, R. Brenot, N. Pleros, and C. Verikoukis, “Towards high capacity and low latency backhauling in 5G: The 5G STEP-FWD vision (Invited)”, in Proc. ICTON 2017, Girona, Spain, 3-6 Jul. 2017.
 
C-48   G. Kalfas, J. Vardakas, L. Alonso, C. Verikoukis, and N. Pleros, “Medium transparent MAC access schemes for seamless packetized fronthaul in mm-wave 5G picocellular networks (Invited)”, in Proc. ICTON 2017, Girona, Spain, 3-6 Jul. 2017.
 
C-47   G. Kalfas, P. Maniotis, M. Oikonomakou, E, Kartsakli, J. Vardakas, N. Pleros, C. Verikoukis, “On converged Medium-Transparent MAC protocols for mm-wave Fiber-Wireless Networks, in Proc. IEEE CAMAD 2017, Lund, Sweden, 19-21 Jun. 2017.
 
C-46   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”, in Proc. IEEE CAMAD 2017, Lund, Sweden, 19-21 Jun. 2017.
 
C-45   Matteo Vincenzi, Angelos Antonopoulos, Elli Kartsakli, John Vardakas, Luis Alonso and Christos Verikoukis, “Cooperation Incentives for Multi-Operator C-RAN Energy Efficient Sharing”, in Proc. IEEE ICC 2017, Paris, France, 21-25 May 2017.
 
C-44   G. Kalfas, J. S. Vardakas, N. Pleros, L. Alonso and C. V. Verikoukis, “Delay analysis of converged Medium Transparent fixed service Optical-Wireless networks”, in Proc. IEEE Globecom 2016, Washington D.C., USA, 4-8 Dec. 2016.
 
C-43   N. Giatsoglou, A. Antonopoulos, E. Kartsakli, J. S. Vardakas, and C. V. Verikoukis, “Transmission Policies for Interference Management in Full-Duplex D2D Communication”, in Proc. IEEE Globecom 2016, Washington D.C., USA, 4-8 Dec. 2016.
 
C-42   J. S. Vardakas, Ioannis Zenginis, and Maria Oikonomakou, “Peak Demand Reduction Through Demand Control: A Mathematical Analysis”, in Proc. ICTF 2016, 6-8 July, Patras, Greece.
 
C-41   J. S. Vardakas, Nizar Zorba, Charalabos Skianis, and Christos V. Verikoukis, "Performance Analysis of M2M Communication Networks for QoS-differentiated Smart Grid Applications", in Proc. IEEE GLOBECOM workshops, San Diego, USA, 5-10 Dec. 2015.
 
C-40   Ali Parichehreh, Kostas Ramantas, Umberto Spagnolini, John S. Vardakas, "Scheduling of the Super-Dense Wireless Cloud Networks", in Proc. IEEE ICC 2015-Workshop on Advanced PHY and MAC Techniques for Super Dense Wireless Networks, London, UK, 8-12 June, 2015.

C-39   Alister Burr, Cheng Chen and Mehdi Molu, Kostas Ramantas, John S. Vardakas, "System-level Simulation of Multihop Wireless Networks using Physical-layer Network Coding", in Proc. EuCNC 2015, Paris, France, June 29/July 2, 2015
 
C-38   I. D. Moscholios, V. G. Vassilakis, J. S. Vardakas and M. D. Logothetis, "Multirate Retry Loss Models Supporting Elastic Traffic of Quasi-Random Input", in Proc. IEICE ICTF 2014, Poznan, Poland, 28-30 May 2014.
C-37   M. D. Logothetis, I. D. Moscholios, A. C. Boucouvalas and J. S. Vardakas, "Delay Performance of WDM-EPON for Multi-dimensional Traffic Under the IPACT Fixed Service and the MultiPoint Control Protocol" Proc. of ETS 2013,  Karlskrona, Sweden, September 30 - October 2, 2013. pdf
 
C-36   John S. Vardakas, "Electric Vehicles Charging Management in Communication Controlled Fast Charging Stations", in proc. IEEE CAMAD 2014, Athens, Greece, 1-3 Dec. 2014. pdf
 
C-35   Georgios Kollias, Ferran Adelantado, John Vardakas, Kostas Ramantas, "Handover Performance in LTE-A HetNets Through Inter-Site Distance Differentiation", in Proc. IEEE CAMAD 2014, Athens, Greece, 1-3 Dec. 2014.
 
C-34   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", in Proc. IEEE CAMAD 2014, Athens, Greece, 1-3 Dec. 2014.
 
C-33   John S. Vardakas, Ioannis Zenginis, "A Survey on Short-Term Electricity Price Prediction Models for Smart Grid Applications", in Proc. WICON 2014, Lisbon, Portugal, 12-14 Nov. 2014. http://www.wcl.ece.upatras.gr/sites/default/files/c33 author's copy.pdf">http://www.wcl.ece.upatras.gr/sites/default/files/c33 author's copy.pdf">pdf
 
C-32   M. D. Logothetis, J. S. Vardakas and I. D. Moscholios, “Performance Evaluation of PON Technologies”, in proc. ICTON 2014, Graz, Austria, 6-10 July 2014 (invited paper).
 
C-31   M. D. Logothetis, J. S. Vardakas and I. D. Moscholios, “Performance Evaluation of a Dynamic Wavelength Allocation Protocol in WDM-TDM PONs Servicing Pareto ON–OFF Traffic”, in proc. ICTON 2014, Graz, Austria, 6-10 July 2014 (invited paper)

C-30   Kyriaki Niotaki, Ana Collado, Apostolos Georgiadis, and John Vardakas, "A Dual-Band Power Amplifier Based on Composite Right/Left-Handed Matching Networks", in Proc. IEEE ECTC 2014, Florida, USA, 27-30 May, 2014.
 
C-29   K. Niotaki, F. Giuppi, A. Collado, A. Georgiadis and J. Vardakas, "A Broadband Power Amplifier Based on Composite Right/Left-Handed Half-Mode Substrate Integrated Waveguide," in Proc. DCIS 2013, San Sebastian, Nov. 27-29, 2013.
 
C-28   Ioannis D. Moscholios, Michael D. Logothetis, Vassilios G. Stylianakis and John S. Vardakas, "The Priority Wavelength Release Protocol for Dynamic Wavelength Allocation in WDM-TDMA PONs Supporting Random and Quasi-Random Bursty Traffic" Proc. of 18th European Conference on Network and Optical Communications, NOC 2013, GRAZ, Austria, July 10 - June 12, 2013.
 
C-27   Ioannis D. Moscholios, Vassilios G. Vasilakis, Michael D. Logothetis and John S. Vardakas, "Bandwidth Reservation in the Erlang Multirate Loss Model for Elastic and Adaptive Traffic" Proc. of 9th Advanced Int. Conf. on Telecommunications, AICT 2013, Rome, Italy, June 23 - June 28, 2013.  pdf
 
C-26   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis, and M. N. Koukias, "A Quasi-random Multirate Loss Model supporting Elastic and Adaptive Traffic", in Proc. of the 4th EMERGING 2012, 23-28 September 2012, Barcelona, Spain. pdf
 
C-25   J.S. Vardakas, I.D. Moscholios, M.D. Logothetis, and V.G. Stylianakis, "On Code Reservation in Multi-Rate OCDMA Passive Optical Networks", in Proc. of the 8th IEEE, IET CSNDSP 2012, 18-20 July 2012, Poznan, Poland.
 
C-24  
I. D. Moscholios, J. S. Vardakas, M. D. Logothetis, and A. C. Boucouvalas, "Derivatives of Blocking Probabilities in Multirate Access Tree Networks", in Proc. of the 8th IEEE, IET CSNDSP 2012, 18-20 July 2012, Poznan, Poland.
 
C-23   I. D. Moscholios, V. G. Vassilakis, J. S. Vardakas, and M. D. Logothetis, "Call Blocking Probabilities of Elastic and Adaptive Traffic with Retrials", in Proc. of the 8th AICT, 27 May-1 June 2012, Stuttgart, Germany. pdf
 
C-22   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis, and A. C. Boucouvalas, "QoS Guarantee in a Batched Poisson Multirate Loss Model Supporting Elastic and Adaptive Traffic",  IEEE International Conference on Communications (ICC 2012), 10-15 June 2012, Ottawa, Canada.
 
C-21   J.S. Vardakas, I.D. Moscholios, M.D. Logothetis, and V.G. Stylianakis, "Blocking performance of Multi-rate OCDMA PONs", in Proc. of EMERGING 2011, Nov. 20-25, 2011 - Lisbon, Portugal.  pdf

C-20   John S. Vardakas, Ioannis L. Anagnostopoulos, Ioannis D. Moscholios, Michael D. Logothetis, and Vassilios G. Stylianakis, "A Multi-Rate Loss Model for OCDMA PONs", in Proc. of the 13th International Conference on Transparent Optical Networks, ICTON 2011, 26-30 June, 2011, Stockholm, Sweden.
 
C-19   J.S. Vardakas, I.D. Moscholios, M.D. Logothetis, V.G. Stylianakis, and F. Röck, "Evaluation of dynamic wavelength allocation scenarios in WDM-TDMA PONs servicing ON-OFF traffic from finite sources", in Proc. of the 11th IEEE International Conference on Telecommunications , June 15-17, 2011, Graz, Austria.
 
C-18   I. D. Moscholios, J. S. Vardakas, M. D. Logothetis, and A. C. Boucouvalas, "A Batched Poisson Multirate Loss Model Supporting Elastic Traffic Under The Bandwidth Reservation Policy", IEEE International Conference on Communications (ICC 2011), 5-9 June 2011, Kyoto, Japan.
 
C-17   Ioannis Moscholios, Vassilios Vassilakis, John Vardakas and Michael Logothetis, "Retry Loss Models Supporting Elastic Traffic", 1st European Teletraffic Seminar (ETS), 14-16 February 2011, Poznan, Poland.
 
C-16
F. Röck, J. S. Vardakas, I. D. Moscholios,  M. D. Logothetis, and E Leitgeb, "A Simple Analytical Model for the Calculation of Packet Blocking Probability in an Optical Packet Switching Network",14th Panhellenic Conference on Informatics, 10-12 September 2010, Tripoli, Greece.
 
C-15   I. D. Moscholios, J. S. Vardakas,  M. D. Logothetis,and A. C. Boucouvalas, "QoS Guarantee in the Erlang Multirate Loss Model based on Derivatives of Blocking Probabilities",in Proc. of the 7th IEEE/IET ICSNDSP, 21-23 July 2010, Newcastle, UK.
 
C-14   John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, and Vassilios Stylianakis, "ON-OFF Traffic Models for a Hybrid TDM-WDM PON with Dynamic Wavelength Allocation",in Proc. of the 7th IEEE/IET CSNDSP, 21-23 July 2010, Newcastle, UK.
 
C-13   John S. Vardakas, Ioannis D. Moscholios, and Michael D. Logothetis, "An analytical Study of an All-Optical Packet Switch with QoS Support", in Proc. of the 6th AICT 2010 , Barcelona, Spain, May 9-14, 2010.(Best Paper Award
 
C-12   John S. Vardakas and Michael D. Logothetis, "Packet delay analysis for Priority-based Passive Optical Networks" in Proc. of the International Conference on Emerging Network Intelligence, EMERGING 2009, October 11-16, 2009 - Sliema, Malta.
 
C-11      John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, "Blocking Analysis for Priority Classes in hybrid WDM-OCDMA Passive Optical Networks", in proc. of the Fifth IARIA Advanced International Conference on Telecommunications - AICT 2009 , Venice, Italy, May 24-28, 2009.
 
C-10      John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, "End-to-End Delay Analysis of the IEEE 802.11e with MMPP Input-Traffic", 9th International Symposium on Autonomous Decentralized Systems (ISADS 2009), Third International Workshop on Ad Hoc, Sensor and P2P Networks (AHSP 2009)", Athens, Greece, March 23-25, 2009.
C-9      John. S. Vardakas, Vasillios G. Vassilakis and Michael D. Logothetis, "Loss Models in Traffic-Groomed WDM All-Optical Networks", in proc. of the 6th Symposium on Communication Systems and Digital Signal Processing (CSNDSP 2008), Graz, Austria, 23-28 July 2008.
 
C-8      John. S. Vardakas, Vasillios G. Vassilakis and Michael D. Logothetis, "Call-Level Analysis of Hybrid OCDMA-WDM PONs", in proc. of the 10th International Conference on Transparent Optical Networks,(ICTON 2009), Athens, Greece, 22-26 June 2008.
 
C-7      John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, "Blocking Analysis in Hybrid TDM-WDM Passive Optical Networks supporting elastic traffic", in proc. of the 4th Advanced International Conference on Telecommunications (AICT 2008), Athens, Greece, 8-13 June 2008.
 
C-6      John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, "Blocking Analysis in Hybrid TDM-WDM Passive Optical Networks", in proc. of the 5th International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks (HET-NETs 2008), Karlskrona, Sweden, 18-20 February, 2008. pdf
 
C-5      I. Papapanagiotou, J. S. Vardakas, M.D. Logothetis and S.A. Kotsopoulos, "Performance Evaluation of IEEE 802.11e based on ON-OFF Traffic Model", in proc. of the 3rd International Mobile, Multimedia Communications Conference (Mobimedia 2007), Nafpaktos, Greece, 27-29 August 2007.
 
C-4      J. S. Vardakas, I. Papapanagiotou, M.D. Logothetis and S.A. Kotsopoulos, "On the End-to-End Delay Analysis of the IEEE 802.11 Distributed Coordination Function", in proc. of the 2nd International Conference on Internet Monitoring and Protectionn (ICIMP 2007), Silicon Valley, USA , 1-6 July, 2007.
 
C-3      John S. Vardakas, Vasillios G. Vassilakis and Michael D. Logothetis, "Calculating Blocking Probabilities in Single-Hop WDM Traffic Groomed Optical Networks,in proc. of the 9th International Conference on Transparent Optical Networks, (ICTON 2007), Rome, Italy, 1-5 July 2007. pdf
 
C-2      Vassilios G. Vassilakis, Ioannis D. Moscholios and Michael D. Logothetis and John S. Vardakas, "Call-level Multi-rate Loss Models for Elastic Traffic", in proc. of the 45th European Telecommunications Congress of FITCE, Athens, Greece, 30 August- 2 September, 2006, pp. 287-291. pdf

C-1      M.K. Sidiropoulos, J. S. Vardakas and M. D. Logothetis, "On the Performance Behavior of the IEEE 802.11 Distributed Coordination Function", in proc. of the 5th CSNDSP, Patra, 24-26 July 2006. pdf


Book Chapters
BC-1

 

     John S. Vardakas, Vassilios G. Vassilakis and Michael D. Logothetis, "Blocking Analysis in Hybrid TDM-WDM Passive Optical Networks, in the book, Heterogeneous Networks, Vol. II - Performance Analysis & Applications (D.SEA.6.1.6: Part of Final Deliverables of NoE Euro-NGI to EC), River Publishers, 2008.


Tutorials

 

 
T-2 John S. Vardakas and Christos Verikoukis, "Demand Response in Smart Grids: a Cooperative Perspective", IEEE ISCC 2017, Heraklion Greece, 3-6 July 2017.
 
T-1   John S. Vardakas  and Michael D. Logothetis, "Passive Optical Network Configurations - Performance Analysis", the 8th AICT, 27 May-1 June 2012, Stuttgart, Germany.

Citations: Google Scholar page