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1 前言 中国的CDMA经过一期的建设,建设容量已经达到1500万,完成了全国300多个主要城市的覆盖。从GSM多年的建设经验来看,一个网络质量的好坏首先取决于它的覆盖效果。而综合网络质量和建设成本、外部环境等因素来看,系列化的基站设备、不同类
1 Preface China’s CDMA after a period of construction, construction capacity has reached 15 million, completed the coverage of more than 300 major cities nationwide. From GSM years of construction experience, the quality of a network depends first and foremost on its coverage. The comprehensive network quality and construction costs, the external environment and other factors, the series of base station equipment, different types