Fairness-Enhanced Multiple Control Channels MAC for Ad Hoc Networks
The throughput in IEEE 802.11 ad hoc networks can be improved by exploiting the presence of multiple channels and thus allowing multiple nodes to transmit concurrently on different channels. This has been shown by previous work. Some multi-channel MAC protocols use one control channel for exchanging control messages in order to assign concurrently different data channels to different pairs of nodes. On one hand, this previous work does not discuss how to use the control channel, and assumes that the IEEE 802.11 MAC mechanism is used for control packets transmission. Furthermore, no previous multiple channel related study has discussed the fairness performance.