Normalized Combinations of Proportionate Affine Projection Sign Subband Adaptive Filter

Table 1

Algorithmic complexity.

Algorithms	Multiplications	Computation
SSAF	M + 2M/N + 3NL	1536
VSS-SSAF	2M + (2M + 4)/N + 3NL	2049
ICNSAF	4M + 4N + (M + 5)/N + 3NL + 3	2964
PAP-SSAF	MP + 3M/N + 3NL	3200
CAP-SSAF	MP + 4M/N + (M + 5)/N + 3NL + 1	5506
NCPAP-SSAF	2MP + 6M/N + (M + 6)/N + 3NL + 1	5762

M = 512, L = 64, N = 4, P = 4.