EDCA is the distributed access method proposed by IEEE 802.11e,providingpreferential QoS support. The paper provides an admission control solution and parameter adjusting scheme based on EDCA.

• EDCA是802.；11e中实现QoS的分布式机制；本文基于EDCA；提出了一整套接纳控制方案和EDCA参数调节机制。