A novel optimization scheme for EDCA
一种新的EDCA优化策略

To guarantee the QoS of WLAN(Wireless Local Area Network) after the network load increased,the technology of reserved contention window maintenance was applied to EDCA mechanism.When network was in low load,the performance was the same as the original access mechanism.As the load increased,it could greatly reduce the collision probability under stable condition.Therefore it can not only support QoS of the high priority traffic,but also improve the throughput of the whole network.