    \begin{align}
    \breve{\mathbf{G}} &= \sqrt{\frac{\kappa}{\kappa + 1}}\breve{\mathbf{G}}^\mathrm{LoS} + \sqrt{\frac{1}{\kappa + 1}}\breve{\mathbf{G}}^\mathrm{NLoS}, \\
    \breve{\mathbf{h}}_k &= \sqrt{\frac{\kappa_k}{\kappa_k + 1}}\breve{\mathbf{h}}_k^\mathrm{LoS} + \sqrt{\frac{1}{\kappa_k + 1}}\breve{\mathbf{h}}_k^\mathrm{NLoS}, \forall k, 
    \end{align}
