Title
TDMA on commercial of-the-shelf hardware : fact and fiction revealed TDMA on commercial of-the-shelf hardware : fact and fiction revealed
Author
Faculty/Department
Faculty of Sciences. Mathematics and Computer Science
Publication type
article
Publication
Stuttgart ,
Subject
Mass communications
Computer. Automation
Source (journal)
International journal of electronics and communications. - Stuttgart
Volume/pages
69(2015) :5 , p. 800-813
ISSN
1434-8411
ISI
000355495500003
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The proliferation of multimedia applications making use of 802.11n networks, and therefore requiring the accompanying QoS, has made it imperative to improve the QoS guarantees. A well-known method is to employ a TDMA access scheme instead of the standard CSMA access scheme on commodity hardware. A considerable number of related works have focused on this issue; however, many assume the manipulation of commodity hardware to be limited to QoS parameters and none of them did a thorough analysis of one of the most crucial elements to make such a system work, that is, the timer source. The goal of this article is twofold; first we discuss a detailed performance analysis of possible timer sources in different environments and stressed by several methods. Second, we discuss the issues that developers face when using commodity hardware in a TDMA access scheme. As a result we present a successful slotted transmission scheme on commodity hardware where less than 0.1% of the received packets exhibit a jitter larger than 10 μs, while transmitting a packet every 256 μs.
E-info
https://repository.uantwerpen.be/docman/iruaauth/a386f0/99455c09d62.pdf
Full text (open access)
https://repository.uantwerpen.be/docman/irua/740095/10083.pdf
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