Διεθνή επιστημονικά περιοδικά με κριτές

[24] G. Amponis, T. Lagkas, P. Sarigiannidis, V. Vitsas and P. Fouliras, “Inter-UAV routing scheme testbeds”, Drones 2021, MDPI, 5(1),2, Dec. 28, 2020, https://doi.org/10.3390/drones5010002.

[23] V. Moysiadis, P. Sarigiannidis, V. Vitsas and A. Khelifi, “Smart Farming in Europe”, Computer Science Review, accepted for publication, 2020

[22] A. Sarigiannidis, M. Iloridou, P. Nicopolitidis, G. Papadimitriou, F.-N. Pavlidou, P. Sarigiannidis, M. Louta and V. Vitsas, "Architectures and Bandwidth Allocation Schemes for Hybrid Wireless-Optical Networks", accepted for publication in IEEE Communications Surveys and Tutorials, 2014.

[21] S. Harhalakis, N. Samaras and V. Vitsas, “Reconsidering usage of standalone packets for congestion indication”, IEE Electronics Letters, vol. 46, no 11, pp. 765-766, 2010.

[20] P. Rapris, V. Vitsas, and K. Paparrizos, “Packet Delay Metrics for IEEE 802.11 Distributed Coordination Function“ , ACM/Springer Mobile Networks and Applications ( MONET ), special issue on "Recent Advances in IEEE 802.11 WLANs: Protocols, Solutions and Future Directions", vol. 14, no 6, pp. 772-781, Dec. 2009. (pdf)

[19] P. Rapris, V. Vitsas, P. Chatzimisios and K. Paparrizos, “Delay jitter analysis of 802.11 DCF”, IEE Electronics Letters , vol. 43, no 25, pp. 1472-1474, 6 th Dec. 2007.

[18] D. S. Amanatiadis, V. Vitsas, A. Manitsaris, I. Mavridis, P. Chatzimisios and A.C. Boucouvalas, ”Calculating voice capacity of IEEE 802.11b WLANs”, accepted for publication at the Mediterranean Journal of Computers and Networks.

[17] P. Chatzimisios, V. Vitsas, A. C. Boucouvalas and M. Tsoulfa, “Achieving performance enhancement in IEEE 802.11 WLANs by using the DIDD backoff mechanism”, International Journal of Communication Systems, vol. 20, no. 1, pp. 23-41 , Jan 2007. (pdf)

[16] P. Chatzimisios, AC Boucouvalas and V. Vitsas , “IEEE 802.11 Wireless LANs: Performance Analysis and Protocol Refinement”, Eurasip Journal on Wireless Communications and Networking, vol. 2, no. 1, pp. 67-78, March 2005 . (pdf)

[15] P. Chatzimisios, AC Boucouvalas and V. Vitsas , “ Performance analysis of the IEEE 802.11 MAC protocol for Wireless LANs ”, International Journal of Communication Systems, vol. 18, no. 6, pp. 545-569, June 2005 (pdf)

[14] P. Chatzimisios, AC Boucouvalas and V. Vitsas “ Effectiveness of RTS/CTS handshake in IEEE 802.11a wireless LANs ”, IEE Electronics Letters , vol. 40, no 14, pp. 915-916, 8 th July 2004. (pdf)

[13] P. Chatzimisios, AC Boucouvalas and V. Vitsas “Influence of channel BER on IEEE 802.11 DCF”, IEE Electronics Letters , vol. 39, no 23, pp. 1687-1689, 13 th November 2003 . (pdf)

[12] P. Chatzimisios, AC Boucouvalas and V. Vitsas “Packet delay analysis of IEEE 802.11 MAC protocol”, IEE Electronics Letters , vol. 39, no 18, pp. 1358-1359, 4 th September 2003 . (pdf)

[11] AC Boucouvalas and V. Vitsas “ 100 Mbit/s IrDA Optical Wireless Throughput Performance Analysis ”, IEE Proceedings Optoelectronics, vol. 150, no. 5, pp. 465-472, Oct. 2003. (pdf)

[10] V. Vitsas and AC Boucouvalas, “ Performance Analysis of the Advanced Infrared (AIr) CSMA/CA MAC Protocol for Wireless LANs ”, Wireless Networks, vol. 9, no. 5, pp. 495-507, Sept. 2003. (pdf)

[9] V. Vitsas and AC Boucouvalas, “Optimisation of IrDA IrLAP Link Access Protocol”, IEEE Transactions on Wireless Communications , vol. 2, no. 5, pp. 926-938, Sept. 2003. (pdf)

[8] V. Vitsas, P. Barker and AC Boucouvalas, “ IrDA Infrared Wireless Communications: Protocol Throughput Optimization ”, I EEE Wireless Communications Magazine: Special Issue on Optical Wireless Communications, vol. 10, no. 2, pp. 22-29, April 2003. (pdf)

[7] V. Vitsas and AC Boucouvalas, “ Packet Level Acknowledgement and Go-Back-N protocol performance in Infrared Wireless LANs ” , International Journal of Communication Systems , vol. 16, no.2, pp. 171-191, 28 Feb. 2003 . (pdf)

[6] V. Vitsas, “Throughput analysis of linear backoff scheme for wireless LANs”, IEE Electronics Letters , vol. 39, no 1, pp. 99-100, 9 th January 2003 . (pdf)

[5] V. Vitsas and A.C. Boucouvalas, “Automatic repeat request schemes for infrared wireless communications” , IEE Electronics Letters , vol.38, no.5, pp. 244-246, 28th February 2002 . (pdf)

[4] P. Barker, V. Vitsas and A.C. Boucouvalas, “Simulation analysis of advanced infrared (AIr) MAC wireless communications protocol”, IEE Proceedings – Circuits, Devices and Systems , vol. 149, no. 3, pp. 193-197, June 2002. (pdf)

[3] V. Vitsas and A.C. Boucouvalas, “Simultaneous optimisation of window and frame size for maximum throughput IrDA links” , IEE Electronics Letters , vol. 37, no. 16, pp.1042-1043, 2nd August 2001. (pdf)

[2] A. C. Boucouvalas and V.Vitsas, “Optimum Window and Frame Size for IrDA links”, IEE Electronics Letters , vol. 37, no. 3, pp.194-196, 1st Feb. 2001 . (pdf)

[1] P.Barker, A.C. Boucouvalas and V. Vitsas, “Performance Modelling of the IrDA Infrared Wireless Communications Protocol”, International Journal of Communication Systems , vol.13, pp. 589-604, 2000. (pdf)

Bραβεία σε διεθνή επιστημονικά συνέδρια με κριτές

[1] V. Vitsas and A. C. Boucouvalas, “IrDA IrLAP Protocol Throughput Performance Analysis for Optical Wireless Links”, Proceedings of the IEEE 2 nd International Workshop on Networked Appliances (IWNA 2000), Nov.30- Dec.1, 2000, Rutgers Univ., New Jersey, USA. ( Βραβείο καλύτερης δημοσίευσης στο συνέδριο)

Δημοσιεύσεις σε διεθνή συνέδρια με κριτές

[36] D. Pliatsios, P. Sarigiannidis, K. Psannis, S. Goudos,V. Vitsas, I. Moscholios, ‘Big Data Against Security Threats: The SPEAR Intrusion Detection System’, The 3rd World Symposium on Communication Engineering (WSCE 2020), Oct. 09-11, 2020, pp. 12-17, DOI:10.1109/WSCE51339.2020.9275580.

[35] N. Kalathas, V.Vitsas and D.Kleftouris, 'Calculating Voice Capacity in IEEE 802.11 WLANs Under Basic Access Data Traffic, in Proc of 9th IEEE/IET International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 20124, July 23-25, 2014, MMU, UK, pp. 727-732 (pdf)

[34]D.V. Vourkas and V.Vitsas, 'Analytical modelling of voice capacity under data traffic in 802.11 WLANs’, in Proc. of 8th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2012, July 18 – 20, 2012, pp. 1-6.

[33] S. Harhalakis, N. Samaras and V. Vitsas, ‘The effects of active queue management and explicit congestion notification on DNS traffic’, 6th IEEE Symposium on Computers and Communications, ISCC 2011, June 28 – July 1, 2011, pp. 906-911. .(pdf)

[32] D. Michalopoulos, I. Mavridis and V. Vitsas, ‘Towards a Risk Management Based Approach for Protecting Internet Conversations’, 9th European Conference on Information Warfare and Security, ECIW 2010, 1-2 July 2010, pp. 201-208.

[31] C.Brouzioutis, V. Vitsas and P. Chatzimisios, " Studying the Impact of Data Traffic on Voice Capacity in IEEE 802.11 WLANs ", accepted for publication in IEEE International Conference on Communications ICC 2010 - Communication QoS, Reliability and Modeling Symposium, 23-27 May 2010.

[30] P. Raptis, V. Vitsas, P. Chatzimisios and K. Paparrizos , "Voice and Data Traffic Analysis in IEEE 802.11 DCF Infrastructure WLANs", Second International Conference on Advances in Mesh Networks, MESH 2009, pp. 37 - 42, 18-23 June 2009.

[29] S. Harhalakis, N. Samaras and V. Vitsas, “ Exploiting the Congestion Control Behaviour of the Transmission Control Protocol ”, accepted for publication at 4th Balkan Conference in Informatics, Thessaloniki, GREECE, September 17-19, 2009.

[28] P. Chatzimisios, P. Raptis, V. Vitsas, D Amanatiadis and K. Paparrizos, “Admission Control for VoIP and Data Traffic in IEEE 802.11 WLANs”, invited paper, MODENETs 2008, Oct. 24, 2008, Athens , Greece .(pdf)

[27] P. Raptis, V. Vitsas, A. Banchs and K. Paparrizos, ”Delay Distribution Analysis of IEEE 802.11 with Variable Packet Length”, in Proc. of the 65th IEEE Vehicular Technology Conference 2007 (VTC2007-Spring), pp. 830-834, 22-25 April 2007, Dublin, Ireland. (pdf)

[26] P. Raptis, A. Banchs, V. Vitsas, K. Paparrizos and P. Chatzimisios, “Delay Distribution Analysis of the RTS/CTS mechanism of IEEE 802.11”, in Proc of the 31 st IEEE Conference on Local Computer Networks, pp. 404-410, Nov. 2006. (pdf)

[25] D. S. Amanatiadis, V. Vitsas, A. Manitsaris, I. Mavridis, P. Chatzimisios and A.C. Boucouvalas, “Voice capacity of IEEE 802.11b WLANs” in Proc. of Fifth International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2006, p.p. 159-163, 19-21 July 2006, Patras, Greece. (pdf)

[24] P. Chatzimisios, V. Vitsas and A. C. Boucouvalas, “Revisit of fading channel characteristics in IEEE 802.11 WLANs: independent and burst transmission errors”, 17th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 11-14 Sept. 2006, Helsinki, Finland (pdf)

[23] P. Chatzimisios, V. Vitsas and A. C. Boucouvalas, “ DIDD backoff scheme: An enhancement to IEEE 802.11 DCF under burst transmission errors ”, in Proceedings of the IEEE Sarnoff 2006 Symposium, Nassau Inn in Princeton, NJ, USA, 27-28 March 2006 (pdf)

[22] P. Chatzimisios, V. Vitsas and A. C. Boucouvalas, “ On improving performance for IEEE 802.11 Wireless LANs under congested and error-prone environments ”, in Proceedings of the International Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2006), pp. 177-182, Innsbruck, Austria, 13-15 February 2006 (pdf)

[21] P. Chatzimisios, V. Vitsas, A. C. Boucouvalas, D. Kleftouris and M. Tsoulfa, “ Packet delay performance comparison of the IEEE 802.11 and IrDA AIr CSMA/CA protocols in high-speed Wireless LANs ”, in Proceedings of the International Conference on Internet and Multimedia Systems and Applications (EuroIMSA 2006), pp. 171-176, Innsbruck, Austria, 13-15 February 2006 (pdf)

[20] P. Raptis, V. Vitsas, K. Paparrizos, P. Chatzimisios and A. C. Boucouvalas, “ Packet Delay Distribution of the IEEE 802.11 Distributed Coordination Function”, in Proceedings of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM 2005), pp. 299-304, Taormina, Italy, 13 – 16 June 2005. (pdf)

[19] P. Raptis, V. Vitsas, K. Paparrizos, P. Chatzimisios A. C. Boucouvalas and P. Adamidis, “Packet Delay Modeling of IEEE 802.11 Wireless LANs ”, invited paper, in Proceedings of the 2nd International Conference on Cybernetics and Information Technologies, Systems and Applications (CITSA 2005), vol. I, pp. 71-76, Orlando , Florida , USA , 14-17 July 2005. (pdf)

[18] P. Chatzimisios, A. C. Boucouvalas, V. Vitsas, A. Vafiadis, A. Economidis and P. Huang “ A simple and effective backoff scheme to enhance IEEE 802.11 MAC performance ”, invited paper, in Proceedings of the 2nd International Conference on Cybernetics and Information Technologies, Systems and Applications (CITSA 2005), vol. I, pp. 48-53, Orlando , Florida , USA , 14-17 July 2005. (pdf)

[17] P. Chatzimisios, A.C. Boucouvalas and V. Vitsas, “ Optimisation of RTS/CTS handshake in IEEE 802.11 Wireless LANs for maximum performance ”, in Proceedings of the IEEE Global Telecommunications Conference (Globecom), Computer-aided Modeling, Analysis and Design of Communication Links and Networks (CAMAD) Workshop, pp. 270-275, Dallas Texas , USA, 29 Nov.- 3 Dec., 2004. (pdf)

[16] V. Vitsas, P. Chatzimisios , A.C. Boucouvalas, P. Raptis, K. Paparrizos and D. Kleftouris , “Enhancing performance of the IEEE 802.11 Distributed Coordination Function via packet bursting ”, invited paper , in Proceedings of the IEEE Global Telecommunications Conference (Globecom), Computer-aided Modeling, Analysis and Design of Communication Links and Networks (CAMAD) Workshop, pp. 245-252, Dallas Texas , USA , 29 Nov.- 3 Dec., 2004 . (pdf)

[15] P. Chatzimisios, A.C. Boucouvalas and V. Vitsas, ‘ ΙΕΕΕ 802.11 WLANs: Performance analysis in presence of bit errors', Proc. of the 4th International Symposium on Communication Systems, Networks and Digital Signal Processing, 20-22th July 2004, University of Newcastle upon Tyne, UK, pp.367-370. (pdf)

[14] P. Chatzimisios, A.C. Boucouvalas and V. Vitsas, “ Performance Analysis of IEEE 802.11 DCF in the Presence of Transmission Errors ”, IEEE ICC 2004, vol. 7, pp.3854-3858, Paris , France , 20-24 June, 2004. (pdf)

[13] P. Chatzimisios, A.C. Boucouvalas and V. Vitsas, ‘IEEE 802.11 packet delay – a finite retry limit analysis', Proc. of the IEEE Global Telecommunications Conference (Globecom) 2003, Dec. 1-5, 2003, pp. 950-954. (pdf)

[12] V. Kostoglou, A. Koliousis and V. Vitsas , “Playing strategies in the game of Blackjack: An overall approach through mathematical analysis and simulation”, Proc. οf the EURO/INFORMS Joint International Meeting, 6-10 July 2003, Instanbul , Turkey .

[11] V. Vitsas and A.C. Boucouvalas , “IrDA IrLAP protocol performance and optimum link layer parameters for maximum throughput”, Proc. οf the IEEE Globecom 2002, symposium HSN, vol. 3, pp. 2270-2275, 17-21 November 2002, Taipei, Taiwan. (pdf)

[10] P. Chatzimisios, V. Vitsas and A.C. Boucouvalas, ‘Throughput and delay analysis of IEEE 802.11 protocol', Proc. of the 5 th IEEE International Workshop on Networked Appliances, Oct. 30-31, 2002, Liverpool John Moores University, UK, pp. 168-174. (pdf)

[9] V. Vitsas and A.C. Boucouvalas, ‘Effectiveness of Selective Reject (SREJ) Automatic Repeat Request (ARQ) scheme with RR-coding in Infrared Wireless LANs', Proc. of the 3 rd International Symposium on Communication Systems, Networks and Digital Signal Processing, 15-17th July 2002, Staffordshire University, pp.495-498. (pdf)

[8] V. Vitsas and A.C. Boucouvalas, ‘ Effectiveness of packet level acknowledgement in infrared wireless LANs', IEEE 55th Vehicular Technology Conference, 2002, VTC Spring 2002. Vol. 4, pp. 1814-1818. (pdf)

[7] V. Vitsas and A.C. Boucouvalas, ‘ Performance analysis of the collision avoidance procedure of the advanced infrared (AIr) CSMA/CA protocol for wireless LANs', IEEE 55th Vehicular Technology Conference, 2002, VTC Spring 2002. vol. 3, pp. 1502-1506. (pdf)

[6] A. C. Boucouvalas and V.Vitsas, '100 Mb/s IrDA Protocol Performance Evaluation", IASTED International Conference on Wireless and Optical Communications, (WOC 2001), pp. 49-57, June 27-29, 2001 Banff , Canada

[5] V. Vitsas and A. C. Boucouvalas, ‘Window and frame size adaptivity for maximum throughput in IrDA links' Proceedings of the 3rd Electronic Circuits and Systems Conference , Slovak University of Technology in Bratislava, Bratislava, Slovakia, September 5-7, 2001, pp.147-152.

[4] V. Vitsas, A. C. Boucouvalas, ‘Performance Evaluation of IrDA Advanced Infrared AIr -MAC Protocol' Proc of the The fifth World Multiconference on Systemics, Cybernetics, and Informatics', Orlando , USA , July 22-25,2001 . vol. IV, pp.347-352.

[3] V. Vitsas and A. C. Boucouvalas, “Performance Analysis of the AIr-MAC Optical Wireless Protocol”, in ICSECIT 2001, International Conference on System Engineering , Communications and Information Technologies, Department of Electrical Engineering, University of Magallanes, Punta Arenas, April 16-19, 2001, Chile.

[2] V. Vitsas, A. C. Boucouvalas, “Throughput Analysis of the IrDA IrLAP Optical Wireless Link Access Protocol”, 3 rd Conference on Telecommunications, ConfTele 2001, pp. 225-229, April 23-24, 2001, Figueira da Foz, Portugal.

[1] V. Vitsas and D.N.Kleftouris, “A KWIC analysis for Greek texts”, MECO'83 International Conference, Athens 1983.