本文主要通过对蜂窝无线通信系统信道、扇区化等的建模，使用MATLAB仿真实现对系统的中断概率的计算，并中断概率的大小分别作为衡量系统性能的标准。-This paper mainly modeled on the cellular wireless communication systems of channel, division of sectors and so on , by using the method of MATLAB, and realized to the calculation of blocking probability , and regarded the size of　outage probability as a measure of system performance.