[1] IEEE 802.16—2004, IEEE standard for local and metropolitan area networks-part 16: air interface for fixed broadband wireless access systems[S]. : IEEE, 2004. [2] IEEE 802.16e—2005, IEEE standard for local and metropolitan area networks—part 16: air interface for fixed and mobile broadband wireless access systems[S]. : IEEE, 2004. [3] 关艳峰, 胡爱群, 王兴建. 基于语音流统计特性的VoIP容量分析与提升算法[J]. 高技术通讯, 2007, 4(17): 342-347. Guan Yanfeng, Hu Aiqun, Wang Xingjian. Analysis and lifting algorithm of VoIP capacity based on the statistical property of voice streams[J]. Chinese High Technology Letters, 2007, 4(17): 342-347. [4] Lee H W, Kwon T S, Cho D H. An enhanced uplink scheduling algorithm based on voice activity for VoIP services in IEEE 802.16d/e system[J]. IEEE Communication Letters, 2005, 9(8): 691-693. [5] Lee H, Kwon T, Cho D H. An efficient uplink scheduling algorithm for VoIP services in IEEE 802.16 BWA systems//IEEE VTC Fall 2004. Los Angeles: IEEE Press, 2004: 3070-3074. [6] Lee H, Kwon T, Cho D H. Performance analysis of scheduling algorithms for VoIP services in IEEE 802.16e systems//IEEE VTC Spring 2006. Melbourne: IEEE Press, 2006: 1231-1235. [7] Srinivasan R, Zhuang J, Jalloul L, et al. Draft IEEE 802.16m evaluation methodology document[S]. 2007. [8] 3GPP TS 26.201 V5.0.0. AMR wideband speech codec; frame structure. : 3GPP, 2001. [9] Oh S M, Cho S, Kim J H, et al. VoIP scheduling algorithm for AMR speech codec in IEEE 802.16e/m system[J]. IEEE Communication Letters, 2008, 12(5): 374-376. [10] Brady P T. A model for generating ON-OFF speech patterns in two-way conversations[J]. Bell System Technology Journal, 1969, 48(7): 2445-2472. [11] Ozer S Z, Papavassiliou S. Performance analysis of CDMA systems with integrated services[J]. IEEE Transactions on Vehicle Technology, 2003, 5(4): 2823-2836. |