Antenna Location Optimization for Circular-Layout Distributed Antenna Systems

被引：2
|
作者：
Wang, Xinzheng [1 ]
Zhu, Pengcheng [1 ]
Chen, Ming [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2009年 / E92B卷 / 09期
关键词：
distributed antenna system (DAS); average transmit power; antenna location optimization; codebook design; DOWNLINK;
D O I：
10.1587/transcom.E92.B.2980
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：
The distributed antenna system (DAS) offers significant power savings but only if the antennas are properly located. In this letter, we convert antenna location optimization to the codebook design problem. For the widely studied circular-layout DAS with uniform user distribution, we derive closed-form expressions for antenna locations that yield near-optimal performance. For more general user distribution and antenna topology, the codebook design algorithms can provide numerical optimization results with acceptable performance and low complexity.
引用
收藏
页码：2980 / 2983
页数：4
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