
ERAA: Energy-Efficient Rate Adaptation Algorithm 151
Table 5.1: Probing Pairs for Interference Changes
w/o Interference CBR 1 CBR 2 CBR 3
11Mbps: 14∼25dBm 14∼25dBm 16∼25dBm 16∼25dBm
5.5Mbps: 9∼15dBm 7∼16dBm 10∼18dBm 9∼18dBm
2Mbps: 8, 11dBm 12dBm 16dBm 16dBm
1Mbps: 1∼9dBm N/A N/A N/A
Total: 30 pairs 21 pairs 20 pairs 21 pairs
0.8
1
1.2
1.4
1.6
1.8
2
2.2
16 17 18 19 20 21 22 23 24 25
Energy Consumption Ratio
Transmission Power (dBm)
11Mbps
5.5Mbps
Figure 5.10: Energy consumption ratio.
RSSI re-probing, since re-probing requires transmitting packets at lower bit
rates. However, by applying the algorithm stated in Section 5.4.3, the probing
overhead is considerably ...