3IEEE Standard 802.16-2004.IEEE standard for local and metropolitan area networks-part 16: air interface for fixed broadband wireless access systems[z]. Oct. 2004.
4KATEVENIS M, SIDIRPPOUS S, COURCOUBETIS. Cour- eoubetis[J]. Weighted Round Robin Cell Multiplexing in a General Purpose ATM Switch Chip. IEEE J. Select. Areas Commun., 1991,9( 10): 1265-1279.