Research Article
Compressed Measurements Based Spectrum Sensing for Wideband Cognitive Radio Systems
Table 1
Complexities and memory requirements for some OMP computational approaches [
20].
| Algorithm | Complexity | Memory |
| Naive way | | | Cholesky Decomposition-1 | | | Cholesky Decomposition-2 | | | QR Decomposition-1 | ; solve: | | QR Decomposition-2 | | | Matrix Inversion Lemma | | |
|
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