This paper digs into basic media access control protocol DCF and EDCF in IEEE 802.11 and 802.11e, and advances computing method of average back off window and theory analytical method of access delay for DCF and EDCF.是什么意思_This paper digs into basic media access control protocol DCF and EDCF in IEEE 802.11 and 802.11e, and advances computing method of average back off window and theory analytical method of access delay for DCF and EDCF.在线翻译_英语_读音_用法_例句