applications of MANETs, has made Quality of Service (QoS) a major concern. The IEEE
802.11 e standard enhanced distributed channel access (EDCA) has been proposed as an
enhancement of 802.11 standard, which provides QoS at MAC layer with a service
differentiation scheme for high priority traffic. But IEEE 802.11 e has not adequately
addressed the issue of handling best effort traffic data flows through contention-based …