| Algorithm 3 The algorithm for solving problem (23). |
| Initialization phase: |
| Set , iteration index , the maximum iterations and error tolerance . Calculate . |
| 1: repeat |
| 2: Solve the problem (23) to obtain the optimal solution for given and . |
| 3: . |
| 4: Set and cacluate . |
| 5: until |
| 6: . |