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首页> 外文期刊>The journal of China Universities of Posts and Telecommunications >On the Capacity Degradation Due to Coexistence of WCDMA and CDMA2000 Systems
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On the Capacity Degradation Due to Coexistence of WCDMA and CDMA2000 Systems

机译：WCDMA和CDMA2000系统共存导致的容量降低

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摘要

In this paper, we investigate the capacity degradation due to the coexistence of WCDMA and CDMA2000 networks by system-level Monte Carlo simulation . Both systems are simulated according to the deployment of macro cells, and speech service is considered. The capacity losses under different carrier spacing and different geographical offset are evaluated. Simulation results show that considerable capacity loss is seen when WCDMA is the victim system, while the influence of WCDMA to CDMA2000 is slight. Increasing carrier-to-carrier spacing and decreasing geographical offset lead to less capacity loss and co-locating the base stations of both systems is a preferred solution.
机译：在本文中，我们通过系统级蒙特卡洛仿真研究了WCDMA和CDMA2000网络共存导致的容量降低。两种系统均根据宏小区的部署进行了仿真，并考虑了语音服务。评估了不同载波间隔和不同地理偏移下的容量损失。仿真结果表明，当WCDMA成为受害者系统时，会出现相当大的容量损失，而WCDMA对CDMA2000的影响很小。增大载波到载波的间隔和减小地理偏移量导致较少的容量损失，并且将两个系统的基站共置是一种优选的解决方案。

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