@misc{ZakrzewskaD'AndreagiovanniRueppetal., author = {Zakrzewska, Anna and D'Andreagiovanni, Fabio and Ruepp, Sarah and Berger, Michael S.}, title = {Biobjective Optimization of Radio Access Technology Selection and Resource Allocation in Heterogeneous Wireless Networks}, issn = {1438-0064}, url = {http://nbn-resolving.de/urn:nbn:de:0297-zib-42675}, abstract = {We propose a novel optimization model for resource assignment in heterogeneous wireless network. The model adopts two objective functions maximizing the number of served users and the minimum granted utility at once. A distinctive feature of our new model is to consider two consecutive time slots, in order to include handover as an additional decision dimension. Furthermore, the solution algorithm that we propose refines a heuristic solution approach recently proposed in literature, by considering a real joint optimization of the considered resources. The simulation study shows that the new model leads to a significant reduction in handover frequency, when compared to a traditional scheme based on maximum SNR.}, language = {en} } @inproceedings{ZakrzewskaD'AndreagiovanniRueppetal., author = {Zakrzewska, Anna and D'Andreagiovanni, Fabio and Ruepp, Sarah and Berger, Michael S.}, title = {Biobjective Optimization of Radio Access Technology Selection and Resource Allocation in Heterogeneous Wireless Networks}, series = {Proceedings of the 11th International Symposium on Modeling \& Optimization in Mobile, Ad Hoc \& Wireless Networks (WiOpt 2013) - RAWNET/WNC3'13}, booktitle = {Proceedings of the 11th International Symposium on Modeling \& Optimization in Mobile, Ad Hoc \& Wireless Networks (WiOpt 2013) - RAWNET/WNC3'13}, pages = {652 -- 658}, language = {en} }