From: Block-sparsity-based localization in wireless sensor networks
 | \(w_{i_{1}}\) | \(w_{i_{2}}\) | … | \(w_{i_{k}}\) | \(w_{i_{k}+1}\) | … | \(w_{i_{D}}\) |
---|---|---|---|---|---|---|---|
NN | 1 | 0 | … | 0 | 0 | … | 0 |
kNN | 1 | 1 | … | 1 | 0 | … | 0 |
WkNN | \(1/\lambda _{i_{1}}\) | \(1/\lambda _{i_{2}}\) | … | \(1/\lambda _{i_{k}}\) | 0 | … | 0 |