No. | Beamforming at the AF relay nodes | Capacity gain for 3 antennas at each node and different number of relay nodes | ||
Number of relay nodes | ||||
1 | 2 | 3 | ||
bit/s/Hz | bit/s/Hz | bit/s/Hz | ||
1 | Proposed technique | 16.15 | 20.67 | 23.55 |
2 | MF-PA-SLNR | 14.26 | 18.44 | 21.17 |
3 | MF-RZF | 13.26 | 17.31 | 19.80 |