J. Huang, G. S. Vijay and A. Rajeev, et al., “Joint Scheduling and Resource Allocation in Uplink OFDM Systems for Broadband Wireless Access Networks,” IEEE J. Select. Areas Commun. Vol. 27, No. 2, 2009, pp. 226-234. doi:10.1109/JSAC.2009.090213
 C. Fan, L. Zhang and W. J. Lian, “A Scheduling Algorithm for Guarantying QoS of Streaming Traffic over Mixed Services,” Journal of Bijing University of Posts and Telecommunications, Vol. 30, No. 3, 2007, pp. 75-78.
 W. W. L. Ho and Y. C. Liang, “Optimal Resource Allocation for Multiuser MIMO-OFDM Systems with User Rate Constraints,” IEEE Trans. Veh. Technol., Vol. 58, No. 3, 2009, pp. 1190-1203. doi:10.1109/TVT.2008.927721
 S. Y. Lin and J. S. Huang, “Adaptive Subcarrier Assignment and Bit Allocation for Multiuser OFDM System Using Ordinal Optimization Approach,” IEEE Trans. Veh. Technol., Vol. 57, No. 5, 2008, pp. 2907-2919.
 H. Hou, W. Zhou, S. Zhou, et al., “Cross-layer Resource Allocation for Heterogeneous Traffics in Multiuser OFDM based on a New QoS Fairness Criterion,” in Proc. VTC, Baltimore, MD, USA, Sept. 2007, pp. 1593-1597.
 B. Sanghamitra, S. Sriparna and U. Maulik, “A Simulated Annealing-based Multiobjective Optimization Algorithm: AMOSA,” IEEE Transactions on Evolutionary Computation, Vol. 12, No. 3, 2008, pp. 269-283. doi:10.1109/TEVC.2007.900837