Salvador, Pablo and Gringoli, Francesco and Mancuso, Vincenzo and Serrano, Pablo and Mannocci, Andrea and Banchs, Albert (2012) VoIPiggy: Implementation and evaluation of a mechanism to boost voice capacity in 802.11 WLANs. In: The 31st Annual IEEE International Conference on Computer Communications (IEEE INFOCOM 2012), 25-30 March, 2012, Orlando, Florida, USA.
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Supporting voice traffic in existing WLANs results extremely inefficient, given the large overheads of the protocol operation and the need to prioritize this traffic over, e.g., bulky transfers. In this paper we propose a simple scheme to improve the efficiency of WLANs when voice traffic is present. The mechanism is based on piggybacking voice frames over the acknowledgments, which reduces both frame overheads and time spent in contentions. We evaluate its performance in a large-scale testbed consisting on 33 commercial off-the-shelf devices. The experimental results show dramatic performance improvements in both voice-only and mixed voice-and-data scenarios.
|Item Type:||Conference or Workshop Papers (Paper)|
|Subjects:||Q Science > Q Science (General)
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Electronics and Computer Science|
|Depositing User:||Pablo Salvador|
|Date Deposited:||25 Jun 2012 09:58|
|Last Modified:||13 May 2013 11:59|
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