Complexity for channel sparsity detection at each path | |
---|---|

Inner product computations | |

MP-SA | \(\left (\hat {L}^{\text {(MP-SA)}}_{a}+1\right)L_{h}\) |

MA-SA | \(\left (\hat {L}^{\text {(MA-SA)}}_{a}+1\right)\left (L_{h}-\frac {1}{2}\hat {L}^{\text {(MA-SA)}}_{a}\right)\) |