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On the performance of packet aggregation in IEEE 802.11ac MU-MIMO WLANs
Universitat Pompeu Fabra, Barcelona, Spain.
Universidad Carlos III, Madrid, Spain.
University of Wurzburg, Wurzburg, Germany.
Department of Communications Engineering, Tampere University of Technology, Tampere, Finland.ORCID iD: 0000-0003-4894-4134
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2012 (English)In: IEEE Communications Letters, ISSN 1089-7798, Vol. 16, no 10, 1588-1591 p.Article in journal (Refereed) Published
Abstract [en]

Multi-user spatial multiplexing combined with packet aggregation can significantly increase the performance of Wireless Local Area Networks (WLANs). In this letter, we present and evaluate a simple technique to perform packet aggregation in IEEE 802.11ac MU-MIMO (Multi-user Multiple Input Multiple Output) WLANs. Results show that in non-saturation conditions both the number of active stations (STAs) and the queue size have a significant impact on the system performance. If the number of STAs is excessively high, the heterogeneity of destinations in the packets contained in the queue makes it difficult to take full advantage of packet aggregation. This effect can be alleviated by increasing the queue size, which increases the chances of scheduling a large number of packets at each transmission, hence improving the system throughput at the cost of a higher delay. © 1997-2012 IEEE.

Place, publisher, year, edition, pages
Piscataway, N.J.: IEEE Press, 2012. Vol. 16, no 10, 1588-1591 p.
Keyword [en]
IEEE 802.11ac, MU-MIMO, packet aggregation, WLANs
National Category
Telecommunications Communication Systems
URN: urn:nbn:se:hh:diva-20585DOI: 10.1109/LCOMM.2012.081612.120744ISI: 000310339100016ScopusID: 2-s2.0-84867862223OAI: diva2:585194
Available from: 2013-01-14 Created: 2013-01-09 Last updated: 2015-09-29Bibliographically approved

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Vinel, Alexey
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