NDLI: A framework for joint scheduling and diversity exploitation under physical interference in wireless mesh networks

Content Provider	IEEE Xplore Digital Library
Author	Blough, D.M. Das, S. Resta, G. Santi, P.
Copyright Year	2008
Description	Author affiliation: IIT-CNR, Pisa (Resta, G.; Santi, P.)
Abstract	Recently, interest has arisen in use of realistic interference models for transmission scheduling in wireless multihop networks, particularly in mesh networks where throughput is a major concern. In this work, we use the SINR-based physical interference model and develop a uniform framework for transmission scheduling when diverse wireless resources can be exploited. The factors considered are multiple (possibly overlapped) channels, directional antennas, and transmit power control. We develop an efficient heuristic for computing a diversity exploiting schedule based on a new network saturation metric. We prove that, under uniform random node distributions, the schedule produced by our heuristic is within a poly-log factor from optimal with a probability that approaches one as network size increases. Through simulation, we demonstrate the ability of our algorithm to achieve up to a 10-fold throughput improvement with respect to networks without diversity. Our analysis also reveals a number of insights on the ability of diversity exploitation to reduce or eliminate interference.
Starting Page	396
Ending Page	403
File Size	2088612
Page Count	8
File Format	PDF
ISBN	9781424425747
DOI	10.1109/MAHSS.2008.4660036
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-29
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Schedules Transmitting antennas Interference Directive antennas Distance measurement Signal to noise ratio
Content Type	Text
Resource Type	Article

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