Models | BLUEs | Equality conditions |
---|---|---|
Original Model in (1) | Joint estimator in (2) | [I L 0 L×M ]a, \(\mathbf {P}_{\mathbf {G}}^{\perp }\triangleq \mathbf {I}_{N}-\mathbf {G} \mathbf {G}^{\dagger }\) |
OSP Model Type I in (4) | OSP estimator type I in (6) | \(\mathbf {P}_{\mathbf {G}}^{\perp T} \mathbf {P}_{\mathbf {G}}^{\perp }=\mathbf {P}_{\mathbf {G}}^{\perp }\) |
OSP Model Type II in (7) | OSP estimator type II in (9) | \(\mathbf {U}_{n}\mathbf {U}_{n}^{T}=\mathbf {P}_{\mathbf {G}}^{\perp }\) |
Differential Model in (19) | Differential estimator in (22) | \(\mathbf {P}^{T}\mathbf {P}=\mathbf {P}_{\mathbf {G}}^{\perp }\) |
or the Whitened One in (20) |