On the Size of Antenna Cluster in Multi-User Distributed Antenna Systems

被引：0
|
作者：
Feng, Wei [1 ]
Li, Yunzhou [1 ]
Gan, Jiansong [1 ]
Zhou, Shidong [1 ]
Wang, Jing [1 ]
Xia, Minghua [2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Microwave & Digital Commun, Tsinghua Natl Lab Informat Sci & Technol, Room 4-407,Informat Sci & Technol Bldg, Beijing 100084, Peoples R China
[2] ETRI Beijing R&D Ctr, Beijing 100027, Peoples R China
来源：
2008 THIRD INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA, VOLS 1-3 | 2008年
关键词：
Distributed antenna systems (DAS); antenna cluster size; mean square access distance (MSAD);
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, multi-user distributed antenna systems (DAS) with antennas deployed in clusters are studied. In order to investigate the impact of the size of antenna cluster on the system performance, the mean square access distance (MSAD), which is a function of the size of antenna cluster, is defined as a metric of the system performance. From the analysis of the asymptotic behavior of the metric, we obtain the approximate closed-form expressions for the expectation and relative variance of the MSAD. Accordingly, we find out the semi-quantitative relationship between the size of antenna cluster and the system performance. Moreover, the benefits of the DAS under different cluster size are discussed. The validity of our analysis is well verified by simulations.
引用
收藏
页码：1046 / +
页数：2
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