Research Article
A Feedback Approach for QoS-Enhanced MAC in Wireless Sensor Network
Table 2
System parameters used in simulation.
| | IEEE 802.11b | IEEE 802.11a | IEEE 802.15.4 |
| Transmitted power | 30 mW | 30 mW | 1 mW | Ave. frame length | 1500 bytes | 1500 bytes | 105 bytes | Data rate | 11 Mbps | 54 Mbps | 250 kbps | Slot time | 20 s | 9 s | 320 s | SIFS time | 10 s | 16 s | 192 s | | 31 | 15 | 7 | | 1023 | 1023 | 31 |
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