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An Asymmetric Network Architecture for Sensor Networks

Fulltext:


Authors:

Jonas Neander, Ewa Hansen, Mikael Sjödin, Mats Björkman

Publication Type:

Report - MRTC

ISRN:

MDH-MRTC-181/2005-1-SE

Abstract

In this paper, we present an asymmetric sensor network architecture. We use an existing infrastructure as base station support for the sensor network. The network architecture communication topology is asymmetric, in that the base station can reach its sensor nodes in one hop -- but there is no guarantee that the sensor nodes reach the base station directly. To handle sensor nodes with different demands, and to save energy at the sensor nodes, we schedule the sensor nodes with time-division multiplexed access (TDMA).We provide an initial comparison between our architecture and LEACH, a well-known TDMA cluster-based sensor network architecture. The comparison shows that our architecture outperforms LEACH and its variants LEACH-C and LEACH-F in large networks and that our architecture performs almost as well as the LEACH protocols in small networks.

Bibtex

@techreport{Neander808,
author = {Jonas Neander and Ewa Hansen and Mikael Sj{\"o}din and Mats Bj{\"o}rkman},
title = {An Asymmetric Network Architecture for Sensor Networks},
number = {ISSN 1404-3041 ISRN MDH-MRTC-181/2005-1-SE},
month = {August},
year = {2005},
url = {http://www.es.mdu.se/publications/808-}
}