Read e-book online Algorithmic Aspects of Wireless Sensor Networks: Fourth PDF

By Sandor P. Fekete

ISBN-10: 3540928618

ISBN-13: 9783540928614

This publication constitutes the reviewed complaints of the Fourth overseas Workshop on Algorithmic elements of instant Sensor Networks, ALGOSENSORS 2008, held in Reykjavik, Iceland, Wroclaw, Poland, July 12, 2008. The workshops aimed toward bringing jointly learn contributions with regards to various algorithmic and complexity-theoretic features of instant sensor networks. the subjects contain yet aren't constrained to optimization difficulties, noise and chance, robots and excursions.

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Related Work The problem of detecting and tracking targets is of broad interest to many applications dealing with unattended monitoring and surveillance, with a rich literature in many disciplines, including computer vision, signal processing, ad hoc networks etc. [7,12,9,13]. The research goals in these areas, however, are different from those being pursued in sensor networks. g. g. tanks or cars). The mobile and ad hoc network communities have considered tracking with the goal of maintaining the state of network connectivity.

All of these results extend to the “noisy” sensor model. All the theorems in this pre-proceedings version are without proofs, the proofs will be included in the conference proceedings. 2 The Counting Sensor Model We begin with an idealized model of sensing. Each target is modeled as a point, and each sensor is assumed to have a unit-disk sensing range, with perfect sensing: each sensor is able to count precisely the number of targets present in its range. Neither of these assumptions are critical to our algorithms and analysis, as we later discuss, but provide a convenient framework to understand the fundamental limits of target counting.

First by compressing the data, second by improving the routing tree to prevent that single nodes are overly burdened, and third by avoiding all unnecessary power consumption of the radio. Although these three issues are not fully independent, it makes sense to analyze them separately. Data reduction is an applicationspecific problem that is largely orthogonal to the other two problems. The construction of routing trees is subject to many other practical restrictions such as link quality in real-life networks.

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Algorithmic Aspects of Wireless Sensor Networks: Fourth International Workshop, Algosensors 2008, Reykjavik, Iceland, July 2008. Revised Selected Pape ... Computer Science Computer Communication N) by Sandor P. Fekete


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