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Impact of transmission power control on appearance of traffic long-range dependence in DS-CDMA cellular system

机译:DS-CDMA蜂窝系统中传输功率控制对业务长期依赖出现的影响

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摘要

Long-range dependence exists in the traffic fluctuations of wired communications systems, which has a bad influence on system performance. On the other hand, interdependence among system components (i.e., interference among users) can be a cause of long-range dependence in cellular system traffic. Moreover, the influence of the interference depends on the transmission power control scheme adopted in the cellular system. From the viewpoint of the long-range dependence caused by interdependence among system components, we analyze the influence of transmission power control schemes on the traffic long-range dependence in a DS-CDMA cellular system by computer simulation. From the simulation results, it is found that the long-range dependence is caused by some transmission power control schemes, and we investigate the cause of the long-range dependence by comparing several power control schemes.
机译:有线通信系统的流量波动中存在长期依赖关系,这会对系统性能产生不良影响。另一方面,系统组件之间的相互依赖性(即用户之间的干扰)可能是蜂窝系统业务中长期依赖的原因。而且,干扰的影响取决于蜂窝系统中采用的发射功率控制方案。从系统组件之间相互依赖引起的远程依赖的角度,我们通过计算机仿真分析了发射功率控制方案对DS-CDMA蜂窝系统中业务远程依赖的影响。从仿真结果可以发现,远距离依赖性是由某些传输功率控制方案引起的,我们通过比较几种功率控制方案来研究远距离依赖性的原因。

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