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文中通过蒙特卡洛仿真,研究了CDMA20001x和CDMA20001xEV-DO系统在不同频率配置、不同组网方式下共存的系统容量损失情况。仿真结果表明,共存系统容量随着两个系统的频率间隔的增加而减小,随着组网方式的改变而改变,相同条件下1:1的共站组网方式时系统容量的损失最小。此外,根据仿真分析的结果,给出了减少系统间干扰的措施。
Through the Monte Carlo simulation, this paper studies the system capacity loss of CDMA2000 1x and CDMA2000 1xEV-DO systems coexisting in different frequency configurations and different networking modes. The simulation results show that the capacity of the coexisting system decreases with the increase of the frequency spacing of the two systems and changes with the networking mode. The loss of system capacity with the 1: 1 co-site networking mode under the same conditions is the smallest. In addition, according to the results of simulation analysis, measures to reduce the interference between systems are given.