TY - GEN
T1 - A statistical noise constrained least mean fourth adaptive algorithm
AU - Imam, Syed Ali Aamir
AU - Zerguine, Azzedine
AU - Moinuddin, Muhammad
PY - 2008
Y1 - 2008
N2 - In this work, a statistical noise-constrained least mean fourth (SN CLMF) adaptive algorithm is proposed. Based on the fact that in many practical applications an accurate estimate of the fourth-order moment of the noise is available, or can be easily estimated, the learning speed of the LMF algorithm can be then increased considerably by adding a constraint to it. This noise constrained LMF algorithm can be seen as a variable step-size LMF algorithm. Moreover, the concept of energy conservation is used to carry out the rigorous steady-state analysis. Finally, a number of simulations are carried out to corroborate the theoretical findings, and as expected, improved performance is obtained through the use of this technique over the traditional LMF algorithm.
AB - In this work, a statistical noise-constrained least mean fourth (SN CLMF) adaptive algorithm is proposed. Based on the fact that in many practical applications an accurate estimate of the fourth-order moment of the noise is available, or can be easily estimated, the learning speed of the LMF algorithm can be then increased considerably by adding a constraint to it. This noise constrained LMF algorithm can be seen as a variable step-size LMF algorithm. Moreover, the concept of energy conservation is used to carry out the rigorous steady-state analysis. Finally, a number of simulations are carried out to corroborate the theoretical findings, and as expected, improved performance is obtained through the use of this technique over the traditional LMF algorithm.
KW - Adaptive filters
KW - Constrained optimization
KW - LMF
KW - LMS
KW - Noise constraints
KW - SNCLMF algorithm
UR - https://www.scopus.com/pages/publications/51449101321
U2 - 10.1109/ICASSP.2008.4518485
DO - 10.1109/ICASSP.2008.4518485
M3 - Conference contribution
AN - SCOPUS:51449101321
SN - 1424414849
SN - 9781424414840
T3 - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
SP - 3817
EP - 3820
BT - 2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP
ER -