An omni-directional optical antenna and its beam control method based on the EC-KPA algorithm for mobile FSO

被引:7
作者
Shang, Tao [1 ]
Yang, Yintang [2 ]
Li, Weixu [1 ]
Wang, Xin [1 ]
Jia, Jijun [1 ]
机构
[1] Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Peoples R China
[2] Xidian Univ, Sch Microelect, Xian 710071, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1364/OE.21.002307
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In order to ensure the communication link stability in mobile FSO system, a new omni-directional optical antenna is designed. Being aimed at discontinuous tracking, a novel beam control method based on the error correction Kalman prediction algorithm (EC-KPA) is proposed. The comparison of EC-KPA and the conventional Kalman prediction algorithm (KPA) is given. Numerical simulations about beam control method are carried out. The results show that the prediction accuracy of EC-KPA is improved about 77% than that of KPA in Gaussian noise situation, and that the increase is up to 12.92 times in strong noise situation. Therefore, the beam control method is feasible, and this optical antenna can meet the demands of fast mobile FSO. (C) 2013 Optical Society of America
引用
收藏
页码:2307 / 2323
页数:17
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