Journal papers
· Natasa Vulic, Sonia M. Heemstra de Groot and Ignas G.M.M. Niemegeers “Performance Evaluation of Vertical Handovers in a UMTS Radio Access-based Heterogeneous Architecture”, in Elsevier Computer Networks journal ISSN: 1389-1286 (2011), Volume 55, Issue 7, May 2011, Pages 1533-1548
· Ertan Onur, Yunua Durmus, Gamal M. Hawwas, Sonia Heemstra de Groot, Ignas Niemegeers, “Collaborative and Cognitive Network Platforms: Vision and Research Challenges” to be published in Springer International Journal on Wireless Personal Communications, Special Issue on “ Distributed and Secure Cloud Clustering (DISC)”2011
· M. Ibrohimovna Kamilova and S. M. Heemstra de Groot, "Resources Sharing and Access Control in Group-oriented Networks: Fednet and Related Paradigms" ARIA International Journal on Advances in Intelligent Systems volume 2 number 1, pages 203-228, 2009




