Signalling channel modelling for congestion management in cellular networks. - Sofoklis A. Kyriazakos; George T. Karetsos; Charis Kechagias; Christos Karabalis; Kostas Vlahodimitropoulos (VTC Fall, 2001)

Performance evaluation of GSM and GPRS systems based on measurement campaigns and statistical analysis. - Sofoklis A. Kyriazakos; Nikolaos Papaoulakis; Dimitris Nikitopoulos; Evangelos Gkroustiotis; Charis Kechagias; Chris Karambalis; George T. Karetsos (GLOBECOM, 2002)

A Real-Time Monitoring and Intelligent Decisions-Making Platform for Enhanced Radio Resource Management in Wireless Cellular Systems. - Sofoklis A. Kyriazakos; George T. Karetsos; Ivan Mura; Evangelos Gkroustiotis; Nikolaos Papaoulakis; Charis Kechagias; Kostas Vlahodimitropoulos (Wirel. Pers. Commun., 2004)