NDLI: Implementation of explicit wireless loss notification using MAC-layer information

Content Provider	IEEE Xplore Digital Library
Author	Bing Zhang Shirazi, M.N.
Copyright Year	2003
Description	Author affiliation: ATR Adaptive Commun. Res. Labs., Hiraridai, Japan (Bing Zhang)
Abstract	TCP is a reliable transport protocol tuned to perform well in traditional wired networks, where most packet losses are due to congestion. In wireless networks, however, packet losses result from wireless link loss in addition to congestion loss. Thus, TCP suffers a significant degradation in performance over wireless networks because it does not distinguish wireless link loss from congestion loss. To overcome this problem, the explicit wireless loss notification (EWLN) scheme is proposed to explicitly inform wireless link loss to the TCP sender. Previous work to deploy EWLN often lacked explicit specification of the interplay between EWLN and link-layer protocols, including error recovery mechanisms. In addition, many systems, or being based on computation demanding functionality of agents at a base station, were designed for the scenario where information is accessed from a mobile station through a wireless-to-wired connection. In this paper, we present an EWLN scheme that deploys the information from the MAC layer and takes into account the interplay with the error recovery mechanism at the link layer. The scheme does not require different implementations for mobile terminals and base stations and hence can support efficient TCP-based data transmission over wired-to-wireless and wireless-to-wired connections as well as ad-hoc networks. We also present EWLN-enabled TCP implementations which, showed significant improvements over the standard TCP-Reno and TCP-SACK protocols, as evidenced by simulation studies over ns-2 network simulator.
Starting Page	1339
Ending Page	1343
File Size	1095251
Page Count	5
File Format	PDF
ISBN	0780377001
ISSN	15253511
DOI	10.1109/WCNC.2003.1200568
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-03-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless networks Wireless application protocol Transport protocols Performance loss Base stations Data communication Internet Telecommunication network reliability Degradation Access protocols
Content Type	Text
Resource Type	Article

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