Modulated scattering array antenna for MIMO applications

被引：11
|
作者：
Chen, Qiang [1 ]
Wang, Lin [1 ]
Iwaki, Takanori [1 ]
Kakinuma, Yu [1 ]
Yuan, Qiaowei [2 ]
Sawaya, Kunio [1 ]
机构：
[1] Tohoku Univ, Aoba Ku, Sendai, Miyagi 9808579, Japan
[2] Tokyo Univ Agr & Technol, Koganei, Tokyo 1848588, Japan
来源：
IEICE ELECTRONICS EXPRESS | 2007年 / 4卷 / 23期
关键词：
antenna; array antenna; modulation; wireless communications; mobile handset; MIMO;
D O I：
10.1587/elex.4.745
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：
Modulated scattering array antenna (MSAA) for MIMO applications is experimentally studied. The MSAA has a multi-antenna structure, but it is composed of only one normal antenna element together with several modulated scattering elements (MSE). The Error Vector Magnitude (EVM) which indicates the MIMO performance is measured in an indoor environment when a 2-element MSAA is used as the MIMO antenna in a 2 x 2 MIMO system. It is demonstrated that 2-stream data link can be established. However, the EVMs of the 2 streams are quite different and an averaged 7 dB difference is observed due to the gain degradation of the MSE, indicating the MSAA can be used in the MIMO applications where simplifying the configuration of MIMO antenna system is taken high priority.
引用
收藏
页码：745 / 749
页数：5
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