Al Sebae, Alaa, Leeson, Mark S. and Green, Roger (2014) On modelling network coded ARQ-based channels. International Journal of Space-Based and Situated Computing, 4 (2). pp. 65-76. ISSN 2044-4893.

Preview

PDF WRAP_On_modelling_network_coded_ARQ-based_cha.pdf - Accepted Version - Requires a PDF viewer. Download (1471Kb) | Preview

Request Changes to record.

Abstract

Network coding (NC) has been an attractive research topic in recent years as a means of offering a throughput improvement, especially in multicast scenarios. The throughput gain is achieved by introducing an algebraic method for combining multiple input streams of packets which are addressing one output port at an intermediate node. We present a practical implementation of network coding in conjunction with error control schemes, namely the Stop-and-Wait (SW) and Selective Repeat (SR) protocols. We propose a modified NC scheme and apply it at an intermediate SW ARQ-based link to reduce ARQ control
signals at each transmission. We further extend this work to investigate the usefulness of NC in the Butterfly multicast network which adopts the SR ARQ protocol as an error control scheme. We validate our throughput analysis using a relatively recent discrete-event simulator, SimEvents®. The results show that the proposed scheme offers a throughput advantage of at least 50% over traditional SW ARQ, and that this is particularly noticeable in the presence of high error rates. In the multicast network, however, simulation results show
that when compared with the traditional scheme, NC-SR ARQ can achieve a throughput gain of between 2% and 96% in a low bandwidth channel and up to 19% in a high bandwidth channel with errors.

Item Type:	Journal Article
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software
Divisions:	Faculty of Science, Engineering and Medicine > Engineering > Engineering
Library of Congress Subject Headings (LCSH):	Wireless communication systems, Computer science, Coding theory, Computer networks, Computer Communication Networks, Computer network architectures
Journal or Publication Title:	International Journal of Space-Based and Situated Computing
Publisher:	InderScience
ISSN:	2044-4893
Official Date:	2014
Dates:	Date Event 2014 Published
Volume:	4
Number:	2
Page Range:	pp. 65-76
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Date of first compliant deposit:	28 July 2016
Date of first compliant Open Access:	28 July 2016

Request changes or add full text files to a record

Repository staff actions (login required)

View Item

Downloads