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随着我国3G系统建设的全面启动,3G网络规划设计已成为研究的热点之一。为了实现建设目标,在进行3G无线网络规划设计时,必须同时考虑覆盖、容量及不同服务质量的要求。文章对无线网络覆盖和容量的规划设计进行了论述,分析了覆盖和容量的关系,讨论了覆盖规划、容量规划等几个重要问题。特别对链路预算、传播模型、容量估算和极限容量等进行了阐述,给出了上行极限容量分析及上行链路容量规划的举例。
With the full launch of China’s 3G system construction, 3G network planning and design has become one of the hot spots. In order to achieve the construction goal, when planning and designing a 3G wireless network, the requirements of coverage, capacity and different service quality must be considered at the same time. This paper discusses the planning and design of wireless network coverage and capacity, analyzes the relationship between coverage and capacity, and discusses several important issues such as coverage planning and capacity planning. In particular, the link budget, propagation model, capacity estimation and limit capacity are described, and examples of uplink limit capacity analysis and uplink capacity planning are given.