Table 2.
Comparison of the features of MAC protocols.
| Feature | Handshake-Sharing | Packet-Train Method | Solving the Hidden-Node Problem | |
|---|---|---|---|---|
| MAC Protocol | ||||
| HSR | O | O | O | |
| ROPA | O | O | X | |
| MACA-UPT | X | O | X | |
| MACA-U | X | X | X | |
O: used, X: not used.
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