【摘要】 动态资源分配(DCA)是解决无线信道紧张的最有限途径之一,文中研究CDMA系统动态资源分配下的QoS性能。从CDMA自干扰受限系统出发,分析信道优先级的排队算法以及上下行信号的接入控制算法,从而进一步提出接入用户的信道资源的优化调整方案,来提高系统服务质量(QoS)等级。文中进行了系统的仿真研究,从系统模型分析和仿真研究结果表明,文中给出的算法使系统掉话率下降,系统的性能得到改善。更多还原

【Abstract】 Dynamic resource assignment is one of the main ways in solving the limited spectrum problem.This paper analyzes the alignment algorithm of channel priority,control algorithm of uplink and downlink call access.Further,the optimized channel reallocation schemes are proposed,thus to raise the quality of service(QoS)of the system.Simulation results show that the call blocking probability and handover failure probability are decreased,and the system performance is improved.更多还原