From: An Energy-Efficient Link Layer Protocol for Reliable Transmission over Wireless Networks
 |  | Simple positive-ACK | Packet length optimization | SRVF |
---|---|---|---|---|
802.15.4 | 250 Kbps | 22.81% | 43.69% | 45.24% |
802.11 | 11 Mbps | 16.85% | 34.16% | 48.19% |
 | 5 Mbps | 28.95% | 57.70% | 70.87% |
 | 2 Mbps | 32.81% | 67.48% | 76.38% |