... WiMAX hot-spot, and differentserviceclassessuchasVoIP,streaming,circuit-switched voice and best-effort data services. For thesimulations we consider a 2-RAT scenario consisting of a cel-lular ... 2008.[6] J. Mo and J. Walrand, “Fair end-to-end window-based con-gestion control,” IEEE/ACM Transactions on Networking, vol.8, no. 5, pp. 556–567, 2000.[7] S. Sta´nczak, M. Wiczanowski, and H. Boche, ... allocation of the otherusers in the cell and therefore leads to strong variations of λ over time. The fluctuation of λ directly influences the set of optimum BSs Mopt of users and therefore often...