Analysis and Research of MAC Fairness in Ad Hoc Network Based on Flow
Yong Tang · Jisuanji gongcheng · 2011
In Ad Hoc network,the unfairness of the system will affect the quality of service seriously.This paper presents a mechanism using flow unit and Weighted Fairness Queuing(WFQ) for scheduling local information,and the coordination algorithm that the exchange of node information to adjust the backoff time——Fairness Base Flow Algorithm(FBFA).The algorithm calculates every flow's services index for each node,and exchanges with the neighbor nodes,combining with the node's own information and neighbor node information to determine the backoff time to improve the system fairness.Because FBFA algorithm takes into account the system's local and global fairness and throughput,experimental results show that system's fairness index has 10%～20% increases.