NDLI: Hop-by-hop congestion control over a wireless multi-hop network

Content Provider	IEEE Xplore Digital Library
Author	Yung Yi Shakkottai, S.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA (Yung Yi; Shakkottai, S.)
Abstract	This paper focuses on congestion control over multi-hop, wireless networks. In a wireless network, an important constraint that arises is that due to the MAC (media access control) layer. Many wireless MACs use a time-division strategy for channel access, where, at any point in space, the physical channel can be accessed by a single user at each instant of time. We develop a fair hop-by-hop congestion control algorithm with the MAC constraint being imposed in the form of a channel access time constraint, using an optimization based framework. In the absence of delay, we show that this algorithm is globally stable using a Lyapunov function based approach. Next, in the presence of delay, we show that the hop-by-hop control algorithm has the property of spatial spreading. In other words, focused loads at a particular spatial location in the network get "smoothed" over space. We derive bounds on the "peak load" at a node, both with hop-by-hop control, as well as with end-to-end control, show that significant gains are achieved with the hop-by-hop scheme, and validate the analytical results with simulation.
Starting Page	2548
Ending Page	2558
File Size	795452
Page Count	11
File Format	PDF
ISBN	0780383559
ISSN	0743166X
DOI	10.1109/INFCOM.2004.1354675
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-03-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spread spectrum communication Wireless networks Delay Ad hoc networks Media Access Protocol Time factors Communication system control IP networks Internet Feedback
Content Type	Text
Resource Type	Article
Subject	Computer Science Electrical and Electronic Engineering

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