Table 1 Simulation parameters

Data detection

Coherent

Symbol duration

2 μ s

Number of data symbols

80

Number of sampling points

48

Number of relay nodes

0, 2

Guard interval

6 sample times

Fading

2 paths Rayleigh fading

Doppler frequency

5 Hz

FEC

Convolutional code

(R=1/2, $\mathcal{K}=7$)