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一、引言近几年来,移动通信的应用范围正以惊人的速度扩展着。移动通信的迅速发展和广泛应用带来了一些新问题:1.制式需改革。目前,不少单位各自独立组网,实行通信网路的全业务区覆盖。这种制式形成了在同一地区内不同网路的严重重叠,造成电波互相干扰。
I. INTRODUCTION In recent years, the application of mobile communications is expanding at an alarming rate. The rapid development and widespread application of mobile communication have brought some new problems: 1. The system needs reform. At present, many units have their own independent network, the implementation of communications network coverage of the entire business area. This system has formed a serious overlap of different networks in the same area, resulting in mutual interference of radio waves.