The financial perspective of the mobile networks in Europe. - Dimitris Katsianis; Ilari Welling; Maria Ylönen; Dimitris Varoutas; Thomas Sphicopoulos; Nils Kristian Elnegaard; Borgar Tørre Olsen; Lucien Budry (IEEE Wirel. Commun., 2001)

Business opportunities throughUMTS-WLAN networks. - Dimitris Varoutas; Dimitris Katsianis; Thomas Sphicopoulos; François Loizillon; Kjell Ove Kalhagen; Kjell Stordahl; Ilari Welling; Jarmo Harno (Ann. des Télécommunications, 2003)

Designing and Implementing an Open Infrastructure for Location-Based, Tourism-Related Content Delivery. - George Kakaletris; Dimitris Varoutas; Dimitris Katsianis; Thomas Sphicopoulos; Giorgos Kouvas (Wirel. Pers. Commun., 2004)

On the Economics of 3G Mobile Virtual Network Operators (MVNOs). - Dimitris Varoutas; Dimitris Katsianis; Thomas Sphicopoulos; Kjell Stordahl; Ilari Welling (Wirel. Pers. Commun., 2006)

Development of a demand model for the simultaneous estimation of the interaction between a product's diffusion and price: an application to telecommunications. - Christos Michalakelis; Georgia Dede; Antonia Zerva; Dimitris Varoutas; Thomas Sphicopoulos (CTTE, 2007)

Free Space Optical Technology as an alternative Last-Mile Solution: A Techno-Economic Analysis. - Theodoros Rokkas; Thomas Kamalakis; Dimitris Katsianis; Dimitris Varoutas; Thomas Sphicopoulos (CTTE, 2007)

Importance of the Maturity of Photonic Component Industry on the Business Prospects of Optical Access Networks: A Techno-Economic Analysis. - Dimitris Varoutas; Thomas Kamalakis; Dimitris Katsianis; Thomas Sphicopoulos; Thomas Monath (Networking, 2007)

Business Prospects of Wide-Scale Deployment of Free Space Optical Technology as a Last-Mile Solution: A Techno-Economic Analysis. - Theodoros Rokkas; Thomas Kamalakis; Dimitris Katsianis; Dimitris Varoutas; Thomas Sphicopoulos (PIMRC, 2007)

Fixed Mobile Convergence for an Integrated Operator: A Techno-Economic Study. - Theodoros Rokkas; Dimitris Katsianis; Dimitris Varoutas; Thomas Sphicopoulos (PIMRC, 2007)

A Radio Resource Allocation Scheme for Fixed Broadband Wireless Access Systems with Avoidance of Major Interferers. - Nicholas Vaiopoulos; Alexander Vavoulas; Dimitris Varoutas; Thomas Sphicopoulos (Wirel. Pers. Commun., 2007)

A 40 Gb/s IM payload/2.5 Gb/s header AOLS technique based on an all fiber realization. - Nikolaos Skarmoutsos; Efthymios N. Lallas; Dimitris Syvridis; Thomas Sphicopoulos (Opt. Switch. Netw., 2008)

Impact of cross-national diffusion process in telecommunications demand forecasting. - Christos Michalakelis; Georgia Dede; Dimitris Varoutas; Thomas Sphicopoulos (Telecommun. Syst., 2008)

Performance Analysis of Decision Feedback and Linear Equalization schemes for Non-Directed Indoor Optical Wireless Systems. - Georgia Ntogari; Thomas Kamalakis; Thomas Sphicopoulos (J. Commun., 2009)

Performance analysis of space time block coding techniques for indoor optical wireless systems. - Georgia Ntogari; Thomas Kamalakis; Thomas Sphicopoulos (IEEE J. Sel. Areas Commun., 2009)

Combining Illumination Dimming Based on Pulse-Width Modulation With Visible-Light Communications Based on Discrete Multitone. - Georgia Ntogari; Thomas Kamalakis; Joachim W. Walewski; Thomas Sphicopoulos (JOCN, 2011)

Modeling Competition in the Telecommunications Market Based on Concepts of Population Biology. - Christos Michalakelis; Thomas Sphicopoulos; Dimitris Varoutas (IEEE Trans. Syst. Man Cybern. Part C, 2011)

Dynamic estimation of markets exhibiting a prey-predator behavior. - Christos Michalakelis; Charisios Christodoulos; Dimitris Varoutas; Thomas Sphicopoulos (Expert Syst. Appl., 2012)

Utilization of communications network potential: Public practices and effects. - Vagia Kyriakidou; Christos Michalakelis; Thomas Sphicopoulos (Gov. Inf. Q., 2012)

Forecasting the Diffusion of Gigabit Home Networking In Europe. - Michalis Fokas; Christos Michalakelis; Thomas Sphicopoulos (Int. J. Technol. Diffusion, 2014)

Convergence properties and practical estimation of the probability of rank reversal in pairwise comparisons for multi-criteria decision making problems. - Georgia Dede; Thomas Kamalakis; Thomas Sphicopoulos (Eur. J. Oper. Res., 2015)

On the Efficiency of Grey Modeling in Early-Stage Technological Diffusion Forecasting. - Charisios Christodoulos; Christos Michalakelis; Thomas Sphicopoulos (Int. J. Technol. Diffusion, 2015)

Theoretical estimation of the probability of weight rank reversal in pairwise comparisons. - Georgia Dede; Thomas Kamalakis; Thomas Sphicopoulos (Eur. J. Oper. Res., 2016)