6Xiao Hu Yu, Guoan Chen, Ming Chen, et al. Towards Beyond 3G: The FUTURE Project in China [J]. IEEE Communication Magazine, 2005, 43(1): 70-75.
7Ying Jun Zhang, Khaled Ben Letaief. Multiuser adaptive subcarrier- and-bit allocation with adaptive cell selection for OFDM systems [J]. IEEE Transactions on Wireless Communications, 2004, 3(5): 1566-1575.
8Wang Jim, Wang Yong, Yang Xia, et al. Adaptive subcarrier and bit allocation for multiuser OFDM networks [A]. 2006 Asia Pacific Conference on Communications [C]. Busan, South Korea, 31 Aug.-I Sept. 2006.
9C Y Wong, R S Cheng, K B Letaief, R D Murch. Multiuser OFDM with adaptive subcarrier, bit, and power allocation ~J). IEEE J. Select. Areas Commun., 1999, 17(10): 1747-1758.
10Didem Kivanc, Resource Allocation for Multicarrier Communications [D]. Washington:University of Washington, 2005.
