Null steering antenna beamforming utilizing space-time adaptive processing

查看全文 作　　者：Zeng [1]Hao;Ahmad [1]Zeeshan;Dong [2]Tao;Liu [1]Ling

机构地区：[1]School of Communications Engineering,Chongqing University;[2]Space Star Technology Co.,Ltd

出　　处：《The Journal of China Universities of Posts and Telecommunications》索引2015年第22卷第4期,共5页

基　　金：supported by the China Academy of Space Technology (CAST) Fund in 2014 (CAST20140008);the Fundamental Research Funds for the Central University of China (106112013CDJZR160002) 摘　　要：A new architecture of null steering antenna based upon the technology of space-time adaptive processing(STAP) with optimized parameters is proposed. The new STAP antenna is comprised of multiple channels and each channel is a transversal filter. So separate sensor element for the reference signal is not required because the antenna gets the reference signal from the first sensor of the auxiliary array. Furthermore, the least mean square(LMS) algorithm is employed to calculate the weight vector. Detailed analysis about the relationship between noise power and output error is investigated. Compared with the traditional null steering antenna in space or space-time domain, the new approach obtains more freedom degrees and can suppress both the wideband and narrowband interferences more efficiently with deeper nulls. Simulation results shows that the proposed architecture outperforms the conventional STAP techniques for interference suppression. 关键词：空时自适应处理天线结构波束形成传感器元件 STAP 参考信号调零天线横向滤波器

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Null steering antenna beamforming utilizing space-time adaptive processing

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