能耗优化的分布式天线部署策略

doi:10.13190/j.jbupt.2015.02.011

北京邮电大学学报 ›› 2015, Vol. 38 ›› Issue (2): 64-68.doi: 10.13190/j.jbupt.2015.02.011

能耗优化的分布式天线部署策略

袁建国^1,2, 黄小峰^1,2, 林金朝², 庞宇², 王永¹

1. 重庆邮电大学光通信与网络重点实验室, 重庆 400065;
2. 重庆邮电大学光电信息感测与传输技术重庆市重点实验室, 重庆 400065

收稿日期:2014-05-29 出版日期:2015-04-28 发布日期:2015-05-14
作者简介:袁建国(1968—), 男, 教授, 博士, E-mail: yuanjg@cqupt.edu.cn.
基金资助:
重庆高校创新团队建设计划项目(J2013-46); 国家自然科学基金项目(61472464, 61471075); 重庆市基础与前沿研究计划项目(cstc2013jcyjA40017)

Study on the Deployment Strategy for Distributed Antenna with Energy Consumption Optimization

YUAN Jian-guo^1,2, HUANG Xiao-feng^1,2, LIN Jin-zhao², PANG Yu², WANG Yong¹

1. Key Laboratory of Optical Communication and Networks, Chongqing University of Posts and Telecommunications, Chongqing 400065, China;
2. Chongqing Key Laboratory of Photoelectronic Information Sensing and Transmitting Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China

Received:2014-05-29 Online:2015-04-28 Published:2015-05-14

摘要/Abstract

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(CoMP)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CoMP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CoMP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CoMP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.

关键词: 分布式天线, 能耗效率, 多点协同传输, 覆盖率, 部署策略

Abstract:

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.

Key words: distributed antenna, energy efficiency, coordinated multi-point, coverage, deployment strategy

中图分类号:

TN929.53

袁建国, 黄小峰, 林金朝, 庞宇, 王永. 能耗优化的分布式天线部署策略[J]. 北京邮电大学学报, 2015, 38(2): 64-68.

YUAN Jian-guo, HUANG Xiao-feng, LIN Jin-zhao, PANG Yu, WANG Yong. Study on the Deployment Strategy for Distributed Antenna with Energy Consumption Optimization[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(2): 64-68.

参考文献

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能耗优化的分布式天线部署策略

Study on the Deployment Strategy for Distributed Antenna with Energy Consumption Optimization

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