vioft2nntf2t|tblJournal|Abstract_paper|0xf4ff1997280000000479010001000800 IEEE 802.11ax is the latest high rate Wi-Fi technology (also known as high efficiency Wireless) introduces some new features like OFDMA, Uplink multi-user MIMO (UL MU-MIMO) to deliver benefits in reliability, capacity, and speed. 802.11ax is better suited to some new use cases, such as live video streaming and IoT than previous versions of Wi-Fi (802.11n/ac). In this article, we study the Quality of Service (QoS) mechanism to guarantee certain levels of service to various traffic flows with the help of weighted fair queuing (WFQ) hierarchical scheduler. The multi-user mode of enhanced distributed channel access (MU mode EDCA) illustrates the controlling aspects, issues, and possible solutions of EDCA for the 802.11ax standard to satisfy QoS requirements in dense deployment scenarios.
B T Vijay, B Malarkodi
National Institute of Technology, Tiruchirappalli, India
Access Category (AC), Multi-User (MU), Enhanced Distributed Channel Access (EDCA), 802.11ax, Quality of Service (QoS), Weighted Fair Queuing (WFQ)
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| Published By :
ICTACT
Published In :
ICTACT Journal on Communication Technology
( Volume: 9 , Issue: 3 , Pages: 1838-1845 )
Date of Publication :
September 2018
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