Linear Precoding Scheme Design for MIMO Two-Way Relay Systems with Imperfect Channel State Information

Algorithm 1

Joint optimization of iterative algorithm.

Step of Joint Optimization of Iterative Algorithm

Step 1. Initialize , , , ,

Step 2. Repeat

Step 3. Increment counter

Step 4. Optimize and update ,

Step 5. Optimize and update ,

Step 6. Optimize and update

Step 7. Until   or  

Step 8. Compute and ,   and  ,