Table 1 The run time of different algorithms
From: A novel method for sparse channel estimation using super-resolution dictionary
Algorithm | Reconstruction (s) | Extra time (s) |
|---|---|---|
LS (6.25%) | 0.0455 | 0 |
LS (12.5%) | 0.0372 | 0 |
OMP_DFT | 0.4282 | 0 |
OMP_OPT | 0.3017 | 163.8541 |
OMP_DIC (λ=2) | 0.9661 | 0 |
OMP_DIC (λ=4) | 2.9548 | 0 |