IEEE 802.11ay based mmWave WLANs: Design Challenges and Solutions
Pei Zhou, Kaijun Cheng, Xiao Han, Xuming Fang, Yuguang Fang, Rong He,, Yan Long, Yanping Liu

TL;DR
This paper reviews the design challenges and solutions for IEEE 802.11ay mmWave WLANs, focusing on MAC layer issues, beamforming, channel management, and future research directions.
Contribution
It provides a comprehensive survey of MAC-related technologies, design challenges, and recent advancements for IEEE 802.11ay standard development.
Findings
Analysis of channel bonding and aggregation techniques
Review of beamforming training and MIMO technologies
Discussion of interference mitigation and future research directions
Abstract
Millimeter-wave (mmWave) with large spectrum available is considered as the most promising frequency band for future wireless communications. The IEEE 802.11ad and IEEE 802.11ay operating on 60 GHz mmWave are the two most expected wireless local area network (WLAN) technologies for ultra-high-speed communications. For the IEEE 802.11ay standard still under development, there are plenty of proposals from companies and researchers who are involved with the IEEE 802.11ay task group. In this survey, we conduct a comprehensive review on the medium access control layer (MAC) related issues for the IEEE 802.11ay, some cross-layer between physical layer (PHY) and MAC technologies are also included. We start with MAC related technologies in the IEEE 802.11ad and discuss design challenges on mmWave communications, leading to some MAC related technologies for the IEEE 802.11ay. We then elaborate…
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