1 Introduction
2 System model
3 SER upper bound
4 Optimization of power allocation and relayplacement
4.1 Relay placement under fixed power allocation
4.2 Power allocation under fixed relay placement
4.3 Joint optimization of power allocation and relayplacement
5 Numerical and simulation results
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 |