Table 1 Most important variables

${\tilde{\mathbf{y}}}_{n_{\text{r}}}$

${\mathbb{C}}^{N_{\text{sub}}\times 1}$

${\tilde{\mathbf{H}}}_{n_{\text{r}},n_{\text{t}}}$

${\mathbb{C}}^{N_{\text{sub}}\times N_{\text{sub}}}$

${\text{x}}_{n_{\text{t}}}$

${\mathbb{C}}^{N_{\text{sub}}\times 1}$

${\mathbf{x}}_{\text{p},n_{\text{t}}}$

${\mathbb{P}}^{N_{\text{p}}\times 1}$

${\mathbf{x}}_{\text{d},n_{\text{t}}}$

${\mathbb{C}}^{N_{\text{d}}\times 1}$

${\tilde{\mathbf{n}}}_{n_{\text{r}}}$

${\mathbb{C}}^{N_{\text{sub}}\times 1}$

y _k

${\mathbb{C}}^{N_{\text{r}}\times 1}$

H _k,l

${\mathbb{C}}^{N_{\text{r}}\times N_{\text{t}}}$

W _k

${\mathbb{C}}^{N_{\text{t}}\times N_{\text{l}}}$

G _k,k

${\mathbb{C}}^{N_{\text{r}}\times N_{\text{l}}}$

s _k

${\mathbb{D}}^{N_{\text{l}}\times 1}$

n _k

${\mathbb{C}}^{N_{\text{r}}\times 1}$

E _k

${\mathbb{C}}^{N_{\text{r}}\times N_{\text{t}}}$

${\sigma }_s^2$

$\mathbb{R}$

${\sigma }_{\text{p}}^2$

$\mathbb{R}$

${\sigma }_x^2$

$\mathbb{R}$

${\sigma }_{\text{ICI}}^2$

$\mathbb{R}$

${\sigma }_n^2$

$\mathbb{R}$

${\sigma }_e^2$

$\mathbb{R}$

d

$\mathbb{R}$

f _c

$\mathbb{R}$

v _max

$\mathbb{R}$

f _d

$\mathbb{R}$

T _s

$\mathbb{R}$

N _p

$\mathbb{N}$

N _d

$\mathbb{N}$

N _l

$\mathbb{N}$

N _t

$\mathbb{N}$

N _r

$\mathbb{N}$

N _sub

$\mathbb{N}$

p _off

$\mathbb{R}$

γ _l

$\mathbb{R}$