Variable Is Better Than Invariable: Sparse VSS-NLMS Algorithms with Application to Adaptive MIMO Channel Estimation

<table>Average MSE performance versus received iterations (<svg height="12.7375" id="M195" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 40.150002 12.7375" width="40.150002" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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The Scientific World Journal

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Figure 9

Figure 9: Variable Is Better Than Invariable: Sparse VSS-NLMS Algorithms with Application to Adaptive MIMO Channel Estimation 