Publications

A.1 Journals & Magazines

 [J19]    Th. Rokkas, I. Neokosmidis, D. Katsianis and D. Varoutas, “Cost Analysis of WDM and TDM Fiber to the Home (FTTH) Networks: A System of Systems Approach” IEEE Trans SMC-C, vol. 42, no 6, pp.1842-1853, Nov 2012.

[J18]   D. Katsianis, Th. Rokkas, I. Neokosmidis, M. Tselekounis, I. Zacharopoulos, A. Bartzoudi, and D. Varoutas, “Risks associated with Next Generation Access networks investment scenarios”, IEEE Network, vol. 26, no 4, pp. 11-17,  July/August 2012

[J17]   G. Charalampopoulos, D. Katsianis and D. Varoutas, ”The option to expand to a next generation access network infrastructure and the role of regulation in a discrete time setting: A real options approach”, Telecommunications Policy, Elsevier, vol. 35, no 9-10, pp 895-906, Oct-Nov 2011.

[J16]   Th. Rokkas, D. Katsianis, Th. Kamalakis and D. Varoutas, “On the economics of Time and Wavelength Domain Multiplexed Passive Optical Networks” IEEE/OSA J. Optical Comm and Networking, vol. 2 no 12, Dec 2010.

[J15]    Th. Rokkas, D. Katsianis and D. Varoutas, “Techno-economic evaluation of FTTC/VDSL and FTTH roll-out scenarios: discounted cash flows and real option valuation” IEEE/OSA J. Optical Comm and Networking, vol. 2, no. 9, Sep 2010.

[J14]   V. Kyriakidou, D. Katsianis, I. Orfanos, A. Chipouras and D. Varoutas “Business Modeling and Financial Analysis for Metropolitan Area Networks: Evidence from Greece” Telematics and Informatics, Elsevier, vol.28, no 2, May 2011

[J13]   J. Harno, D. Katsianis, T. Smura, Th. G. Eskedal, R. Venturin, O. P. Pohjola, K. R. Renjish Kumar and D. Varoutas “Alternatives for mobile operators in the competitive 3G and beyond business” Telecommunications Systems, vol 41, no 3, pp. 77-95, June 2009.

[J12]    Th. Rokkas, D. Katsianis, Th. Kamalakis, D. Varoutas and Th. Sphicopoulos, “Evaluation of FSO and FTTH tecnologies using techno-economic and risk analysis” Info J., vol. 11, no 3, pp. 87-96, May 2009.

[J11]    Th. Rokkas, D. Varoutas, D. Katsianis, T. Smura K.R.Renjish Kumar, , M. Heikkinen,  J. Harno, M. Kind, D. Von Hugo and Th. Monath, “On the economics of Fixed-Mobile Convergence” Info J., vol. 11, no 3, pp. 75-86, May 2009

[J10]   J. Harno, K. R. Renjish Kumar, Th. G. Eskedal, R. Venturin, D. Katsianis and D. Varoutas “Techno-Economic evaluation of 3G and beyond mobile business alternatives” Netnomics, vol. 8, no 1-2, pp. 5-23, Oct 2007.

[J9]      D. Katsianis, A. Gyürke, R. Konkoly, D. Varoutas and Th. Sphicopoulos, “A game theory modeling approach for 3G operators”, Netnomics, vol. 8, no 1-2, pp. 71-90, Oct 2007.

[J8]     Th. Rokkas, Th. Kamalakis, D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Business Prospects of Wide-Scale Deployment of Free Space Optical Technology as a Last-Mile Solution: A Techno-Economic Evaluation”, OSA J. Optical Networking, vol. 6, no 7, pp. 860-870, July 2007.

[J7]      D. Katsianis, D. Varoutas and V. Apostolopoulou, “The economics of integration of DVB-S with terrestrial technologies and the role of dynamic bandwidth management”, Int. J. Satellite Comm., Wiley, vol. 5, no 3, pp. 237-250, May/June 2007.

[J6]     B. T. Olsen, D. Katsianis, D. Varoutas, K. Stordahl, J. Harno, N.K. Elnegaard, I. Welling, F. Loizillon, T. Monath, P. Cadro, “Technoeconomic Evaluation of the Major Telecommunication Investment Options for European Players”, IEEE Network, vol. 20, no 4, July 2006.

[J5]      D. Varoutas, D. Katsianis, Th. Sphicopoulos, K. Stordahl and I. Welling, “On the economics of 3G Mobile Virtual Network Operators (MVNOs)”, Wireless Personal Commun., Springer, vol. 36, no 2, pp 129-142, Jan. 2006.

[J4]      G. Kakaletris, D.Varoutas, D. Katsianis, Th. Sphicopoulos and G. Kouvas, “Designing and implementing an open infrastructure for location-based, tourism-related content delivery”, Wireless Personal Commun., Kluwer Academic Publishers, vol. 30, no. 2-4 pp 153-165, Sep 2004.

[J3]      Th. Monath, N.K. Elnegaard, Ph. Cadro, D. Katsianis and D. Varoutas, “Economics of fixed broadband access network strategies” IEEE Communications, vol.41, no. 9, pp 132-139, Sep 2003.

[J2]      D. Varoutas, D. Katsianis, Th. Sphicopoulos, F. Louizillon, K.O. Kalhagen, K. Stordahl, I. Welling and J. Harno “Business opportunities for UMTS-WLAN networks” Ann. Telecommun.  Vol. 58, no. 3-4, pp 553-575, March-April 2003

[J1]      D. Katsianis, I. Welling, M. Ylönen, D. Varoutas, T. Sphicopoulos, N. K. Elnegaard, B. T. Olsen, L. Budry “The financial perspective of the mobile networks in Europe”, IEEE Personal  Communications, Dec 2001, pp 58-64.

 A.2 Book Chapters

 [Β4] V. Kyriakidou, A. Chipouras, D. Katsianis and Th. Sphicopoulos, 2009. Business Models for Municipal Metro Networks – Theoretical and Financial Analysis.Τopic “Market scenarios and experiences gained from the deployment of optical access infrastructures Optical Access Networks and Advanced Photonics: Technologies and Deployment Strategies, IGI Global, pp 213-230 2009

[Β3] D. Katsianis, T. Rokkas, D. Varoutas, T. Sphicopoulos, J. Harno, I. Welling, “3G Mobile Virtual Network Operators (MVNOs): Business strategies, regulation and policy issues”, in S. Park (ed.) Strategies and Policies in Digital Convergence, ISBN 978-1-59904-156-8, Idea Group Publishing, Feb 2007. Also selected in J. Kisielnicki (ed.) Virtual Technologies: Concepts, Methodologies, Tools, and Applications, ISBN 978-1-59904-955-7, Idea Group Publishing, May 2008.

[Β2] G. Kakaletris, D. Varoutas, D. Katsianis and Th. Sphicopoulos, “Design and Implementation Approaches for Location-Based, Tourism-Related Services” in W.R. Pease, M. Rowe, and M. Cooper (Eds.) Information and Communication Technologies in Support of the Tourism Industry, ISBN: 978-1-59904-159-9, Idea Group Publishing, Feb 2007.

[Β1] T. Smura, H. Hämmäinen, Th. Rokkas and D. Katsianis, “Techno-economic analysis of fixed WiMAX network deployments” in Yan Zhang, Hsiao-Hwa Chen Metropolitan Area Networks: WiMAX and Beyond (Wireless Networks and Mobile Communications), AUERBACH, CRC Press, 2006.

A.3 International Conferences

[C47] N. Ioannou, D. Katsianis and D. Varoutas, “Comparative Techno-Economic Evaluation of LTE Fixed Wireless Access and FTTdp G.fast network deployment for providing broadband services of at least 30Mbps in rural areas”, 29th International Telecommunications Society (ITS) Europe Conference, Trento, Italy, Aug, 2018.

[C46] D. Katsianis, I. Neokosmidis, A. Pastor, L. Jacquin and G. Gardikis, “Factors Influencing Market Adoption and Evolution of NFV/SDN Cybersecurity Solutions. Evidence from SHIELD Project,” 2018 European Conference on Networks and Communications (EuCNC), Ljubljana, Slovenia, 2018, pp. 1-5.
doi: 10.1109/EuCNC.2018.8442845

[C45] H. Attak, M. Combalia, G. Gardikis, B. Gastón, L. Jacquin, D. Katsianis, A. Litke, N. Papadakis, D. Papadopoulos, A. Pastor, M. Roig, O. Segou, “Application of distributed computing and machine learning technologies to cybersecurity”,C&ESAR 2018,  Rennes (France), November 19th-21st 2019.

[C44] G. Charalampopoulos, D. Katsianis and D. Varoutas, “Deviating from Net Neutrality: Assessing the impact on the implementation of economic replicability tests in Europe,” 2017 Internet of Things Business Models, Users, and Networks, Copenhagen, Denmark, 2017, pp. 1-8.
doi: 10.1109/CTTE.2017.8260934

[C43] G. Gardikis et al., “SHIELD: A novel NFV-based cybersecurity framework,” 2017 IEEE Conference on Network Softwarization (NetSoft), Bologna, 2017, pp. 1-6.
doi: 10.1109/NETSOFT.2017.8004228

[C42] Bouchet, O.; Javaudin, J.-P.; Kortebi, A.; El Abdellaouy, H.; Lebouc, M.; Fontaine, F.; Cochet, F.; Jaffré, P.; Brzozowski, M.; Mengi, A.; Katsianis, D.; Celeda, P.; Mayer, C.; Hongyu Guan; Aytekin, B.G.; Kurt, F., “ACEMIND: The Smart Integrated Home Network,” Intelligent Environments (IE), 2014 International Conference on , vol., no., pp.1,8, June 30 2014-July 4 2014doi: 10.1109/IE.2014.8

[C41] M. Fokas, D. Katsianis, D. Varoutas, Th. Rokkas, J-P. Javaudin, M. Bellec, G. Goni and R.  G. Fuentetaja “Initial Techno-economic Results for OMEGA Home Gigabit Networks” in Proc. 21st IEEE PIMRC2010, pp. 2793 – 2798, Istanbul, Turkey, 26-29 Sep 2010 [DOI: 10.1109/PIMRC.2010.5671824].

[C40]  M. Fokas, Th. Rokkas, D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Business Modelling in Home Networks: the OMEGA case“, in Proc. 18th ICT Mobile and Wireless Summit, ISBN: 978-1-905824-12-0, 10-12 June 2009, Santander, Spain.

[C39] D. Katsianis, Th. Rokkas, V. Kyriakidou, A. Chipouras, Th. Kamalakis, D. Varoutas and Th. Sphicopoulos. BroadBand Europe 2007, 3-6 December 2007, Antwerb, Belgium. (Invited Speaker)

[C38] Th. Rokkas, D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Fixed Mobile Convergence for an Integrated Operator: A Techno-Economic Study”’, Proc. 18th IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), 3-7 Sep 2007, Athens, Greece

[C37] Th. Rokkas, Th. Kamalakis, D. Katsianis, D. Varoutas and Th. Sphicopoulos, “Business Prospects of Wide-Scale Deployment of Free Space Optical Technology as a Last-Mile Solution: A Techno-Economic Analysis”’, Proc. 18th IEEE Annual International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC 2007), 3-7 Sep 2007, Athens, Greece

[C36] Th. Rokkas, Th. Kamalakis, D. Katsianis, D. Varoutas and Th. Sphicopoulos “Free Space Optical Technology as an alternative Last-Mile Solution: A Techno-Economic Analysis” Proc. 6th Conference on Telecommunication TechoEconomics CTTE 2007, 14-15 June 2007, Helsinki

[C35] D. Varoutas, Th. Kamalakis, D. Katsianis, Th. Sphicopoulos and Th. Monath,” Techno-Economic Evaluation of Optical Access and Metropolitan Area Networks: The Influence of the Status of Maturity of the Photonics Component Industry”, Proc. OFC 2007, Annaheim California USA (25-29 March 2007)

[C34] D. Varoutas, Th. Kamalakis, D. Katsianis, Th. Sphicopoulos and Th. Monath “Importance of the Maturity of Photonic Component Industry on the Business Prospects of Optical Access Networks: A Techno-economic Analysis”, Proc. IFIP Networking 2007, Atlanta, USA (14-18 May 2007). (Lecture Notes in Computer Science 4479 LNCS, pp. 935-944)

[C33] J. Harmo, Th. Rokkas, D. Katsianis, ”Business scenario analysis for alternative B3G technologies” Proc. 3rd International CICT Conference 30th November -1st December 2006, Lyngby, Denmark.

[C32] D. Katsianis, A. Gyόrke, R. Konkoly, D. Varoutas and Th. Sphicopoulos “Implementing a Game Theory model for 3G Operators” Proc. 5th Conference on Telecommunication TechoEconomics CTTE 2006 pp. 51-56, 8-9 June 2006

[C31] J. Harno, K. R. R. Kumar, Th. G. Eskedal, R. Venturin, D. Katsianis, D. Varoutas, “Techno-Economic evaluation of 3G and beyond mobile business alternatives” Proc. 5th Conference on Telecommunication TechoEconomics CTTE 2006 pp. 51-56, 8-9 June 2006

[C30] J. Harno, T. Smura, K. R. R. Kumar, D. Katsianis and D. Varoutas “Validation of 3G and beyond mobile business scenarios entrant’s UMTS deployment business case.” Proc. 15th IST Mobile & Wireless Communications Summit, Mykonos  – Greece, 4-8 June 2006

[C29] J. Harno, J-S Bedo, D. Katsianis, ”Analysis of 3G and beyond mobile technology alternatives using real options methodology”, Proc. Networking and E-Commerce Conference (NAEC 2005 ATSMA), Lake Garda, Italy, Oct. 2005

[C28] J. Harno, D. Katsianis, T. Smura, T.G. Eskedal, R. Venturin, O. P. Pohjola, R.K.R. Kumar, D. Varoutas,” Alternatives for mobile operators in the competitive 3G and beyond business”, Proc. Networking and E-Commerce Conference (NAEC 2005), Lake Garda, Italy, Oct. 2005

[C27] D. Katsianis, “Techno economic methodology for the evaluation of telecommunication investment projects: Sensitivity and risk analysis incorporation”, Managing Risk in the Competitive Environment of the Telecommunication Sector, ITU Experts Dialogue Meeting, 28-29 October 2004, Geneva, (invited from ITU)

[C26] D. Katsianis, D. Varoutas, V. Apostolopoulou, “Dynamic bandwidth allocation schemes and their evaluation: The case of IST-REPOSIT”, Proc. 13th IST Mobile & Wireless Communications Summit, Lyon – France, 27-30 June 2004

[C25] D. Katsianis, G. Kakaletris, D. Varoutas (University of Athens, “Location Based Services, A Techno-Economic View, Mobile Venue 04 , Mobile Location Workshop (MLW), Athens, May 27-28 2004.

[C24] D. Varoutas, D. Katsianis et al. “Mobile Virtual Network Operators: A viable path to enter the 3G world” Proc. 7th European Conference on Networks & Optical Communications (NOC 2002), Darmstadt, Germany, June 18 – 21, 2002

[C23] D. Varoutas, D. Katsianis et al. “3G MNVOs financial perspectives” Proc. IST Mobile & Wireless Telecommunications Summit 2002, Thessaloniki, Greece, 16-19 June 2002

[C22] D. Varoutas, G. Gasbarrone, D. Katsianis, E. Karathanos, “Market forecasts and business case modeling for 3G and wireless services in Europe” Proc. of 6th Wireless World Research Forum (WWRF) London, England, June 25-26, 2002

[C21] E. Karathanos, D. Katsianis et al “Prospects of the 3G Mobile Networks in Greece”, Proc. IST Mobile & Wireless Telecommunications Summit 2002, Thessaloniki – Greece, 16-19 June 2002

[C20] D. Varoutas, D. Katsianis, Th. Sphicopoulos, A.. Cerboni, S. Canu, K.O. Kalhagen, K. Stordahl, J. Harno, I/ Welling:: ‘Economic viability of 3G Mobile Virtual Network Operators”, Proc. Τhe Third Generation Wireless and Beyond, May 28 to 31, 2002 in San Francisco (Silicon Valley) of United States

[C19] D. Varoutas, D. Katsianis et al. “Techno Economic analysis of 3G Mobile Virtual Network Operators in Europe” Proc. 4th Workshop on Telecommunications Techno-Economics, Rennes – France, 14-15 May 2002

[C18] D. Katsianis, E. Karathanos, D. Varoutas, Th. Sphicopoulos. “3G economics in Greece from now to 2012 ” Proc. 4th Workshop on Telecommunications Techno-Economics, Rennes – France, 14-15 May 2002

[C17] F. Loizillon, J. Harno, I. Welling, D. Katsianis, D. Varoutas, K..O. Kalhagen, K. Stordahl “Seamless mobile IP service provision economics” Proc. 4th Workshop on Telecommunications Techno-Economics, Rennes – France, 14-15 May 2002

[C16] D. Varoutas, D. Katsianis et al.: “The Business perspective of UMTS-WLAN deployment”” Proc. 14th International Symposium on Services and Local AccesS (ISSLS), TOPIC A. Business challenges for network and service providers, Seoul, Korea, 14-17 April 2002.

[C15] A. Cerboni, J. Harno, D. Katsianis, D. Varoutas, I. Welling, K.O. Kalhagen. “UMTS-WLAN roaming in hot-spot areas: a techno-economic study” Proc. 3rd IEEE Workshop on WLANs Boston Sep. 27-28, 2001. Authors:

[C14] A. Cerboni, D. Katsianis, I. Welling, D. Varoutas, N. K. Elnegaard, L. Budry, B. T. Olsen, “Business Prospects for 3G Mobile Systems in Europe”, Proc. ATAMS 2001 (Advanced Technologies, Applications and Market Strategies for 3G), Cracow Poland, June 17-20, 2001.

[C13] A. Cerboni, D. Katsianis, M. Ylönen, D. Varoutas, N. K. Elnegaard, L. Budry, B. T. Olsen, L. A. Ims, “Economics of IMT-2000 3G mobile systems”, Proc. ΙΕΕΕ GLOBECOM 2000, IEEE Global Communications Conference, San Francisco, California, USA – November 27-December 1, 2000, Volume 1, November 2000 pp. 236-240.

[C12] D. Katsianis, Invited to present in International Conference on Communications, IEEE Communications Society — ICC 2000, Global Convergence Through Communications, New Orleans, Louisiana, USA — June 18-22, 2000, in Business Application Sessions (BAS) “Investment in telecommunication networks: Techno-economic methodologies and case studies”, “Case study on next-generation mobile services: Methods and results”.

[C11] L. Budry, A. Cerboni, M. Ylönen, N. K. Elnegaard, D. Katsianis, B. T. Olsen, L. A. Ims. “The economics of migration to 3rd Generation Mobile Systems: what really counts”, Proc. Networks 2000 Toronto Canada from 10/9/2000 to 15/9/2000. Theme B: Access.

[C10] A. Cerboni, K. Stordahl, B. T. Olsen, M. Ylönen, I. Welling, D. Katsianis, N. K. Elnegaard, L. Budry: ”Evaluation Of Demand For Next-Generation Mobile Services In Europe” Proc. the XIII Biennial Conference of the International Telecommucations Society (ITS),Buenos Aires July 2000.

[C9] D. Katsianis A. Cerboni, N. K. Elnegaard, M. Ylönen, D. Varoutas, B. T. Olsen, L. A.Ims,  L. Budry: “The economics of next generation mobile systems”, Proc. XIIIth    International Symposium on Services and Local accesS (ISSLS 2000) Stockholm, Sweeden June 18-23, 2000.

[C8] D. Katsianis, A. Cerboni, D. Varoutas, M. Ylönen, N. K. Elnegaard, B. T. Olsen, L. A. Ims, L. Budry. “Economically Viable Evolution Path For Umts” Proc. Third European Workshop on Techno-Economics for Multimedia Networks And Services, Aveiro 14-16 December 1999

[C7] L.A. Ims, N. K. Elnegaard, D. Myhre, A. R.-Cantera, S. Majorana, R. Sabatino, D. Tacchino, A. Jalalian, L. Budry, I. Dedopoulos, A. Gyürke, J. Iordanidis, D. Katsianis, F.B. Nilsen, M. Lähteenoja, B.T. Olsen. “Extended Investment Analysis of Telecommunication Operator Strategies – The Eurescom Approach” Proc. Third European Workshop on Techno-Economics for Multimedia Networks And Services, Aveiro 14-16 December 1999

[C6] A. Cerboni, K. Stordahl, B. T. Olsen,; M. Ylönen, I. Welling, D. Katsianis, N. K. Elnegaard, L. Budry: “Evaluation of Demand for Next Generation Mobile Services in Europe” Proc. Third European Workshop on Techno-Economics for Multimedia Networks And Services, Aveiro 14-16 December 1999

[C5] L. A. Ims, N. K. Elnegaard, D. Myhre, A. R. Cantera, S. Majorana, R. Sabatino, D. Tacchino, A. Jalalian, L. Budry, I. Dedopoulos, A. Gyürke, J. Iordanidis, D. Katsianis, F. Nilsen, M. Lähteenoja, B. T. Olsen. “Extended Investment Analysis of Telecommunication Operator Strategies – Project Objectives and First Results, “Extended investment analysis of telecommunication operator strategies – project objectives and first results”, Proc. Second International Conference on Telecommunications and Electronic Commerce (ICTEC) 1999, Nashville, USA, October 6-8, 1999.

[C4] D. Katsianis, D. Varoutas, I. Orfanos, Th. Sphicopoulos, S. Pantelis: “A techno-economic evolutionary path for access technologies”, Proc. NOC’99 European Conference on Networks & Optical Communications  Delft, The Netherlands, June 22-24, 1999

[C3] I. Orfanos, D. Katsianis, Th. Sphicopoulos, T. Jakab, M.Luyten “A Techno-Economic Comparison between SDH and WDM Mesh Network Architecture”, Proc. ICT ’99, International Conference on Telecommunications, 15-18 June 1999, Cheju Korea.

[C2] J.Jormakka, J. V. Dijk, J.; W.Jonker, V. D. Mei, P.Parise, L.Liffredo, M.Ullio, E.Aarstad, P.Huth, T.Jensen, T. Kilpinen, S.Lahtinen, D. Katsianis. I. Orfanos, E. Tzanettis “ATM traffic sources and core network dimensioning” Proc. IEEE ATM Workshop, 1997. p 243-252. Lisbon, Portugal

[C1] E. Tzannetis, I. Orfanos, D. Katsianis “Effective Bandwidth and Aggregate Traffic Measurements, Network Dimensioning”, ATM/IP EURESCOM Seminar and Workshop, Session 3: ATM: Services and Traffic, Heidelberg Germany, 11-12 September 1996.

ORCID iD iconorcid.org/0000-0002-7094-4029

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