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Table 1 The computational complexity of NLMS, SPU-NLMS, VSS-NLMS, and VSS-SPU-NLMS algorithms.

From: A family of variable step-size affine projection adaptive filter algorithms using statistics of channel impulse response

Algorithm

multiplication

Additional division

Additional multiplication

Comparisons

NLMS

3M+1

-

-

-

SPU-NLMS

3SL+1

-

1

B log2S+O(B)

VSS-NLMS

4M

M

3M+4

-

VSS-SPU-NLMS

4SL

SL

3SL+5

B log2S+O(B)