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Experimental characterization of 802.11n link quality at high rates

Pelechrinis, K and Salonidis, T and Lundgren, H and Vaidya, N (2010) Experimental characterization of 802.11n link quality at high rates. In: UNSPECIFIED.

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Abstract

802.11n has made a quantum leap over legacy 802.11 systems by supporting extremely higher transmission rates at the physical layer. In this paper, we ask whether such high rates translate to high qual- ity links in a real deployment. Our experimental investigation in an indoor wireless testbed reveals that the highest transmission rates advertised by the 802.11n standard typically produce losses (or even outages) even in interference-free environments. Such losses become more acute and persist at high SNR values, even at low interference intensity. We find that these problems are partly due to bad configurations that do not allow exploitation of spatial di- versity, partly due to the wider 802.11n channels that expose these sensitive high rates to more interference. We show that these prob- lems can be alleviated using the 802.11n MAC layer enhancements jointly with packet size adaptation. Copyright 2010 ACM.


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Details

Item Type: Conference or Workshop Item (UNSPECIFIED)
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Pelechrinis, Kkpele@pitt.eduKPELE0000-0002-6443-3935
Salonidis, T
Lundgren, H
Vaidya, N
Date: 1 January 2010
Date Type: Publication
Journal or Publication Title: Proceedings of the Annual International Conference on Mobile Computing and Networking, MOBICOM
Page Range: 39 - 46
Event Type: Conference
DOI or Unique Handle: 10.1145/1860079.1860087
Institution: University of Pittsburgh
Schools and Programs: School of Information Sciences > Telecommunications
Refereed: Yes
ISBN: 9781450301404
Related URLs:
Date Deposited: 25 May 2011 21:19
Last Modified: 31 Jul 2020 14:56
URI: http://d-scholarship.pitt.edu/id/eprint/5870

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