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Table 1 Computation of \({\mathbf {e}_{{z_{k,i}}}}\), 1≤iN+1, in, for a given z k,n

From: Massive MIMO signal transmission in spatially correlated channel environments

Initialization
1: \({\mathbf {e}_{{z_{k,1}}}} = \mathbf {w}_{k}^{MRT}\)
2: for i=2:N+1
3: if in
4: \(\;\;\;\,\,\,\;{\mathbf {e}_{{z_{k,i}}}} = \frac {{{\mathbf {h}_{{z_{k,i}}}} - \sum \limits _{j = 1,j \ne n}^{i - 1} {{{\left ({\mathbf {h}_{{z_{k,i}}}^{H}{\mathbf {e}_{{z_{k,j}}}}} \right)}^{H}}{\mathbf {e}_{{z_{k,j}}}}} }}{{\left \| {{\mathbf {h}_{{z_{k,i}}}} - \sum \limits _{j = 1,j \ne n}^{i - 1} {{{\left ({\mathbf {h}_{{z_{k,i}}}^{H}{\mathbf {e}_{{z_{k,j}}}}} \right)}^{H}}{\mathbf {e}_{{z_{k,j}}}}}} \right \|}}\;\;\;\)
5: end
6: end