An Improved Proportionate Normalized Least-Mean-Square Algorithm for Broadband Multipath Channel Estimation

Table 1

Computational complexity.

Algorithms	Additions	Multiplications	Divisions
NLMS	3𝑁	3𝑁+1	1
PNLMS	4𝑁+3	6𝑁+3	𝑁+2
IPNLMS	4𝑁+7	5𝑁+5	𝑁+2
MPNLMS	5𝑁+3	7𝑁+3	𝑁+3
LP-PNLMS	4𝑁+4	9𝑁+4	2𝑁+2