Table 1 Comparison of the handover methods proposed in the IEEE 802.16j systems
From: An accelerating handover process scheme for IEEE 802.16j multi-hop relay networks
| Method | Handover technique | RS Location | Number of RSs (per cell) | Number of hops | Number of connection stations | Moving situation of MSs |
|---|---|---|---|---|---|---|
| RIHE [14] | HHO | Fixed | 6 | 1 | 1 | Yes |
| OHSP [15] | HHO | Random | 0–50 | ≥1 | 1 | No |
| HSMCN [16] and FHS [17] | HHO | Fixed | 6 | 1 | 1 | No |
| SSTHT [18] and TMDHT [19] | MDHO | Fixed | 6 | 1 | ≥2 | Yes |
| Proposed RACA | HHO | Random | 10–50 | 1 | 1 | Yes |