Table 1 The optimal values of z ∗ and β ∗ for different cases
Case I | Case II | Case III | |
|---|---|---|---|
Relay placement under equal power allocation | z∗ ≈ 0.55 | z∗ ≈ 0.65 | z∗ ≈ 0.45 |
Power allocation under midpoint relay placement | β∗ ≈ 0.6 | β∗ ≈ 0.55 | β∗ ≈ 0.7 |