MU-MIMO MAC Protocols for Wireless Local Area Networks: A Survey

  title={MU-MIMO MAC Protocols for Wireless Local Area Networks: A Survey},
  author={Ruizhi Liao and Boris Bellalta and Miquel Oliver and Zhisheng Niu},
  journal={IEEE Communications Surveys \& Tutorials},
As wireless devices boom and bandwidth-hungry applications (e.g., video and cloud uploading) get popular, today's wireless local area networks (WLANs) become not only crowded but also stressed at throughput. Multiuser multiple-input-multiple-output (MU-MIMO), an advanced form of MIMO, has gained attention due to its huge potential in improving the performance of WLANs. This paper surveys random access-based medium access control (MAC) protocols for MU-MIMO-enabled WLANs. It first provides… 
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