From: A low computational complexity normalized subband adaptive filter algorithm employing signed regressor of input signal
Algorithm
Multiplications
NSAF[8]
3M + 3NK + 1
SPU-NSAF[11]
2M + SL + 3NK + 1
DS-NSAF[12]
\( \left(1+2\frac{N(k)}{N}\right)M+3 NK+N \)
FS-NSAF[13]
\( 2M+\left(\frac{N_s}{N}\right)M+3\mathrm{NK}+1 \)
Proposed SR-NSAF
M + 3NK + 1
