本文介绍美国Motorala公司创建的新型广域网SmartZone集群系统,它在传统的集群系统基础上,提供更大的通信容量和更高的话音质量,是当今先进的智能型射频集群通信系统。SmartZone系统可容纳多达50个台站和48000个用户单元,它具有动态信道分配、可变密度集群、故障检测和提供数据库管理等功能。文章着重介绍SmartZone新技术。 This article introduces the new SmartZone cluster system created by Motorala Company in the United States. Based on the traditional cluster system, it provides greater communication capacity and higher voice quality. It is an advanced intelligent radio cluster communication system. The SmartZone system accommodates up to 50 stations and 48,000 subscriber units with features such as dynamic channel assignment, variable density clustering, fault detection and database management. The article focuses on the new SmartZone technology.