Malathi, P, and P. T. Vanathi. “Multi-User Adaptive Resource Allocation Scheme for WLAN OFDM-MIMO Transmission”. INFOCOMP Journal of Computer Science, vol. 7, no. 4, Dec. 2008, pp. 31-37, https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/236.