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基于电磁矢量传感器的MIMO天线阵列系统研究

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34 5 期  
2013 5 月  
通 信 学 报  
Journal on Communications  
Vol.34 No. 5  
May 2013  
doi:10.3969/j.issn.1000-436x.2013.05.001  
基于电磁矢量传感器MIMO 天线阵列系统研究  
周杰 1,2,邱琳 1,菊池久和 2  
(1. 南京信息工程大学 电子与信息工程学院,江苏 南京 2100442. 日本国立新泻大学 工学部电气电子工学科,新泻 950-2181)  
摘 要:将电磁矢量传感器(EVS, electromagnetic vetor sensor)信号处理法与传MIMO 信号处理有机地结合,建  
立了基EVS 的多天线三维信道模型。采用多重信号分类(MUSIC, multiple signal classification)算法MIMO 的  
达波信号方向(DOA, direction of arrival)进行空间谱估计,导出基EVS 的三维空间信道解析式,阐明EVS 信  
号处理MIMO 多径信道相关性的关系。与传统标量传感器阵列(SSA, scalar sensor array)MIMO 天线阵列比较,  
EVS 阵列能获取达波信号的多维极化信息时具有空间域和极化信号处理能力此可缓解空间多径信道相关  
使空间极化分量的相关性趋于零值使MIMO 系统性能受空间结构的影响较小论分析和仿真结果表  
明在提MIMO 天线系统性能上,基EVS 阵列的系统SSA 系统具有更高的优越性。  
关键词MIMO 阵列天线;标量传感器阵列;电磁矢量传感器;空间谱估计;信道容量  
中图分类号TN911.6  
文献标识码A  
文章编号1000-436X(2013)05-0001-11  
Analysis of MIMO antenna array based on  
electromagnetic vector sensor  
ZHOU Jie1, 2, QIU Lin1, HISAKAZU Kikuchi2  
(1. College of Electronic & Information EngineeringNanjing University of Information Science and Technology, Nanjing 210044, China;  
2. Department of Electronic and Electrical EngineeringNiigata University, Niigata 950-2181, Japan)  
Abstract: EVS(electromagnetic vetor sensor) signal processing method was combined with traditional MIMO signal  
processing method and three-dimensional channel model of multi-antenna array was set up. The algorithm of multiple  
signal classification (MUSIC) was adopted to make spatial spectrum estimation for direction of arrival (DOA) signal,  
analytical expressions of three-dimensional spatial channel was derived base on EVS for MIMO receiver system and the  
relationship between EVS signal processing and MIMO multipath channel correlation was clarified. To compare with tra-  
ditional MIMO antenna array, EVS array possesses abilities of obtaining multidimensional polarization information,  
processing spatial and polarization domain for arrival signal and degrading effects of spatial factors on MIMO channel  
capacity. Theoretical analysis and simulation results indicate that EVS array provide more advantages than traditional  
scalar sensor array on enhancing MIMO system performance.  
Key words: MIMO antenna array; scalar sensor array; electromagnetic vector sensor; spatial spectrum estimation; chan-  
nel capacity  
收稿日期2012-07-20修回日期2012-10-07  
基金项目:国家自然科学基金资助项目(61072137科技部公益性行业科研专项基金资助项目(GYHY200906053江苏  
省科技支撑计划(工业)基金资助项目(BE2011298江苏省高校自然科学研究计划基金资助项目(08KJB510009教育  
部留学回国人员科研基金资助项教外司20071108苏省六大人才高峰基金资助项2008-118苏省博士后基  
金资助项目(2011-11-010986678)  
Foundation Items: The National Natural Science Foundation of China (61072137); The National Department Public Benefit Re-  
search Foundation (GYHY200906053); Scientific & Technological Support Project(Industry) of Jiangsu Province(BE2011298); Ji-  
angsu Provincial Research Scheme of Natural Science for Higher Education Institute(08KJB510009); The Scientific Research Foun-  
dation for the Returned Overseas Chinese Scholars, State Education Ministry (20071108); The Six Kinds of Jiangsu Prov-  
ince(2008-118); Jiangsu Province Postdoctoral Science Foundation (2011-11-010986678)  

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