IEEE 802.11ax: Challenges and Requirements for Future High Efficiency WiFi

M. Shahwaiz Afaqui, Eduard Garcia-Villegas, Elena Lopez-Aguilera

Research output: Contribution to journalArticlepeer-review


The popularity of IEEE 802.11 based wireless local area networks (WLANs) has increased significantly in recent years because of their ability to provide increased mobility, flexibility, and ease of use, with reduced cost of installation and maintenance. This has resulted in massive WLAN deployment in geographically limited environments that encompass multiple overlapping basic service sets (OBSSs). In this article, we introduce IEEE 802.11ax, a new standard being developed by the IEEE 802.11 Working Group, which will enable efficient usage of spectrum along with an enhanced user experience. We expose advanced technological enhancements proposed to improve the efficiency within high density WLAN networks and explore the key challenges to the upcoming amendment.
Original languageEnglish
Pages (from-to)130-137
JournalIEEE Wireless Communications
Issue number3
Publication statusPublished - 20 Dec 2016


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