Abstract The enhanced distributed channel access (EDCA) protocol is a supplement to IEEE 802. 11 medium access control (MAC). ratified by IEEE 802. 11e task group to support quality of service (QoS) requirements of both data and real-time applications. https://www.bekindtopets.com/amazing-price-Cosmic-Heart-Landscape-IKEA-HEMNES-Dresser-Graphic-Pop-Art-special-save/