Adaptive Equalizer Using Selective Partial Update Algorithm and Selective Regressor Affine Projection Algorithm over Shallow Water Acoustic Channels

Table 1

Family of APA adaptive filter algorithms.

Algorithm	𝑃	𝐷	𝐂(𝑛)	𝐃(𝑛)
APA	𝑃≤𝑀	𝐷=1	𝐈	(𝐗^𝑇(𝑛)𝐗(𝑛))^−1
BNDR-LMS	𝑃=2	𝐷=1	𝐈	(𝐗^𝑇(𝑛)𝐗(𝑛))^−1
R-APA	𝑃≤𝑀	𝐷=1	𝐈	(𝜀𝐈+𝐗^𝑇(𝑛)𝐗(𝑛))^−1
NLMS-OCF	𝑃≤𝑀	𝐷≥1	𝐈	(𝐗^𝑇(𝑛)𝐗(𝑛))^−1