基于CDMA网络拥有的软容量特点和小区呼吸功能提出了一种连续预测模型,并根据该模型估计负载的变化,进而在MSC的统一协调下调整QoS参数以提高网络的性能.通过对网络的采样得到接入和连接拆除数据,以此作为依据估计系统负载的阻滞增长结果,进而演算出密度函数,得到与信道释放率联立的负载描述方程.实验表明,模型对于空闲和繁忙的运行状况都具有很好的自适应性,能够平滑处理突发接入请求,计算代价较小.
[1] KOO INSOO, BAHNG SEUNGIAE, KIM KISEON. QoS-sensitive admission policy for non-real-time data packets in voice/data integrated CDMA systems [J]. Computer Communications 2003, 26.
[2] PHANSE KAUSTUBH S, DASILVA LUIZ A. Addressing the requirements of QoS management for wireless ad hoc networks [J]. Computer Communications 2003, 26.
[3] Neda Nikaein, CHRISTIAN BONNET. QoS-based adaptive error control for wireless networks [J]. Wireless Communications and Mobile Computing 2003, 3.
[4] K ITTI WONGTHAVARAWAT, AURA GANZ. Packet scheduling for QoS support in IEEE 802.16 broadband wireless access systems [J]. International Journal of Communication Systems 2002, 16.
[5] KEMPF JAMES, YEGANI PARVIZ. A new architecture for mobile wireless internet radio access networks [J]. IEEE Communications Magazine 2002, 40.
[6] ALBERTO LoPEZ, JUKKA MANNER, ANDREJ MIHAILOVIC. A study on QoS provision for IP-based radio access networks [A]. Taormina 2001.
[7] Johnston Leigh, Krishnamurthy Vikram. Hidden Markov model algorithms for narrowband interference suppression in CDMA spread spectrum systems [J]. Signal Processing: The Official Publication of the European Association for Signal Processing (EURASIP) 1999, 3(3).
