A Nonquadratic Algorithm Based on the Extended Recursive Least-Squares Algorithm

被引:5
|
作者
Coelho Amara, Luis Fernando [1 ]
Lopes, Marcus Vinicius [1 ]
Barros, Allan Kardec [1 ]
机构
[1] Univ Fed Maranhao, Dept Elect Engn, BR-65080805 Sao Luis, Brazil
关键词
Extended recursive least-squares (EX-RLS) algorithm; nonquadratic function; recursive filter adaptive; tracking performance; PARAMETER-ESTIMATION; GRADIENT ALGORITHM; NONLINEAR-SYSTEMS;
D O I
10.1109/LSP.2018.2864609
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
In adaptiveg filters, several recursive algorithms have been used to track state-space model vectors in nonstationary environments. So far, kernel recursive algorithms showed the best results in this regard. With this letter, we aim to propose an algorithm based on a nonlinear function of the error, motivated by the extended recursive least-squares algorithm. Simulations were performed on the problem of tracking a nonlinear Rayleigh fading multipath channel and on a system identification. The results showed that the proposed algorithm can overcome the extended kernel version ones.
引用
收藏
页码:1535 / 1539
页数:5
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