J. Zander and S. Kim, Radio Resource Management in Future Wireless Networks, 2001.
DOI : 10.1002/0471219282.eot375

L. Xiao, M. Johansson, and S. P. Boyd, Simultaneous Routing and Resource Allocation Via Dual Decomposition, IEEE Transactions on Communications, vol.52, issue.7, 2002.
DOI : 10.1109/TCOMM.2004.831346