From: Outage probability of fixed-gain dual-hop relay selection channels with heterogeneous fading
Selection scheme | Diversity order |
---|---|
Single relay | min{m 1,m 2} |
FHS | \(\min \left \{\sum _{n=1}^{N} m_{1,n}, m_{2,1}, \ldots, m_{2,N}\right \}\) |
SHS | \(\min \left \{\sum _{n=1}^{N} m_{2,n}, m_{1,1}, \ldots, m_{1,N}\right \}\) |
DHS | \(\sum _{n=1}^{N}\min \{m_{1,n}, m_{2,n}\}\) |