Fig. 1. A structure of adaptive filtering system.
Fig. 2. Convergence performance comparison in the time invariant channel (a) mean square error comparison (-○-: RLS, -△-: proposed algorithm with fixed forgetting factor, -◇-: proposed algorithm with variable forgetting factor method 1, -×-: proposed algorithm with variable forgetting factor method 2) (b) comparison between two variable forgetting factor methods.
Fig. 3. Convergence performance comparison in the time invariant channel (a) mean square error comparison (-○-: RLS, -△-: proposed algorithm with fixed forgetting factor, -◇-: proposed algorithm with variable forgetting factor method 1, -×-: proposed algorithm with variable forgetting factor method 2) (b) comparison between two variable forgetting factor methods.
Table 1. Summary of the proposed algorithm.
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