中文摘要：

为提高分布式天线系统的能耗效率,建立了多点协同传输（Co MP）系统模型,对其信道传播模型、能耗评价指标、系统覆盖率及基站间距离与系统能耗效率之间的关系进行了分析,得出Co MP环境下基站间距离与系统能耗效率之间的关系表达式,并借助蒙特卡罗法进行了仿真.仿真结果表明,在Co MP系统中,随着基站间距离的增加,单位面积能耗存在由大变小再变大的趋势;同时单位面积增长量对单位面积能耗增长量的绝对贡献也是先由大变小再变大,且系统单位面积能耗减小对系统频谱效率的影响相对较低.因而在Co MP系统下存在一个单位面积能耗最低的分布式天线部署策略.

英文摘要：

In order to improve the energy consumption efficiency of the distributed antenna system, a model of the cooperative multipoint transmission （CoMP） system was established. The channel propagation model, the energy consumption evaluation index and the system coverage, and the relationship existed in the distance between base stations and system energy efficiency were analyzed as well. The expressions between the distance between the base station and energy consumption efficiency were derived. Simulation was performed by Monte Carlo method. It is shown that, with increase of the distance between base stations in CoMP systems, there appears a trend that the energy consumption per unit area appears from large to small and then gradually become large. Meanwhile, the absolute contribution that the growth of the unit area contributes to the energy consumption per unit area also is seen from large to small and then gradually becomes large. Furthermore, the impaction of the energy consumption decrease per unit area on the system Spectrum efficiency seems relatively low. The distributed antenna deployment strategy of the minimum energy consumption per unit area in CoMP systems is therefore developed.