From: MMSE-based joint source and relay optimization for interference MIMO relay systems
Steps | Description |
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1) | Initialize the algorithm with \(\left \{\textbf {F}_{l}^{(0)}\right \}\) and \(\left \{\textbf {B}_{k}^{(0)}\right \}\) satisfying Equations 9 and 10; Set n=0. |
2) | Obtain \(\left \{\textbf {W}^{(n+1)}_{k}\right \}\) based on Equation 16 with fixed \(\left \{\textbf {F}_{l}^{(n)}\right \}\) and \(\left \{\textbf {B}_{k}^{(n)}\right \}\). |
3) | For l=1,⋯,L, update \(\textbf {F}_{l}^{(n+1)}\) through solving the problem (Equation 38) with given \(\left \{\textbf {B}_{k}^{(n)}\right \}\), \(\left \{\textbf {W}_{k}^{(n+1)}\right \}\), and \(\textbf {F}_{j}^{(n)}\), j=1,⋯,L, j≠l. |
4) | For k=1,⋯,K, update \(\textbf {B}_{k}^{(n+1)}\) by solving the problem (Equations 39 to 41) with fixed \(\left \{\textbf {F}_{l}^{(n+1)}\right \}\), \(\left \{\textbf {W}_{k}^{(n+1)}\right \}\), and \(\textbf {B}_{j}^{(n)}\), j=1,⋯,K, j≠k. |
5) | If SMSE^{(n)}−SMSE^{(n+1)}≤ε, then end. Otherwise, let n:=n+1 and go to step 2. |