The Variable Step-Size Gauss-Seidel Pseudo Affine Projection Algorithm
نویسندگان
چکیده
In this paper, a new pseudo affine projection (AP) algorithm based on Gauss-Seidel (GS) iterations is proposed for acoustic echo cancellation (AEC). It is shown that the algorithm is robust against near-end signal variations (including double-talk). Keywords—pseudo affine projection algorithm, acoustic echo cancellation, double-talk.
منابع مشابه
Nonlinear Active Noise Control Using Volterra Filtering with a Variable Step-size Gs-pap Algorithm
In this paper, a nonlinear active noise control (ANC) is proposed using adaptive Volterra filtering with a variable step-size Gauss-Seidel pseudo affine projection (VSSGSPAP) algorithm. In particular, it requires a lower computational burden than the VSS affine projection (VSSAP) algorithm, and provides an improved convergence as the VSSAP algorithm does. Simulation results show that the propos...
متن کاملNonlinear Acoustic Echo Cancellation Using Volterra Filtering with a Variable Step-Size GS-PAP Algorithm
In this paper, a nonlinear acoustic echo cancellation (AEC) system is proposed, whereby 3rd order Volterra filtering is utilized along with a variable step-size Gauss-Seidel pseudo affine projection (VSSGS-PAP) algorithm. In particular, the proposed nonlinear AEC system is developed by considering a double-talk situation with near-end signal variation. Simulation results demonstrate that the pr...
متن کاملA New Block Exact Affine Projection Algorithm
A block affine projection algorithm that it is mathematically equivalent to a recently proposed Gauss-Seidel Pseudo Affine Projection (GS -PAP) algorithm is proposed. A partitioning method is applied to the original sample-bysample algorithm. It is shown that the derived algorithm has better convergence, tracking abilities and much reduced complexity than the NLMS algorithm. Its application in ...
متن کاملThe Gauss-seidel Pseudo Affine Projection Algorithm and Its Application for Echo Cancellation
In this paper we propose a new approach for adaptive echo cancellation: the Gauss-Seidel Pseudo Affine Projection algorithm (GSPAP). It is proved by simulations that it is stable, fast convergent and has good tracking abilities. The computational complexity of the GSPAP algorithm is evaluated. It is shown that its simplified and division-less version achieves much improved performances and is o...
متن کاملThe Gauss-seidel Fast Affine Projection Algorithm
In this paper we propose a new stable Fast Affine Projection algorithm based on Gauss -Seidel iterations (GSFAP). We investigate its implementation using the logarithmic number system (LNS) and compare it with other two FAP algorithms. A method to simplify its implementation is also proposed. We show that the 32-bit or 20-bit LNS implementation of the GSFAP algorithm is superior to those of oth...
متن کامل