|Table of Contents|

Optimal Deployment Scheme in Sensing-heterogeneous Wireless Sensor Networks

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2012年03期
Page:
408-413
Research Field:
Publishing date:

Info

Title:
Optimal Deployment Scheme in Sensing-heterogeneous Wireless Sensor Networks
Author(s):
WANG Li-liXU Zhi-liangWU Xiao-beiHUANG Cheng
School of Automation,NUST,Nanjing 210094,China
Keywords:
wireless sensor networks sensing-heterogeneity sensor deployment greedy algorithm
PACS:
TN929.5;TP212.9
DOI:
-
Abstract:
To reduce the overall configuration cost,extend the network lifetime and improve the communication quality with meeting the network coverage performance,the problem of node deployment for wireless sensor networks composed of sensing-heterogeneous sensors is studied.Three performance criterions including the node configuration cost,the network configuration cost and the number of nodes are introduced to represent the network’s configuration situation,economic cost,communication quality and energy consumption.An integer linear programming formulation of the problem is proposed,and the problem is proved to be NP-complete.The greedy optimal sensor configuration algorithm using approximation technique is presented,but it is computationally feasible.By identifying the best deployment locations,the types of sensors and the directions of sensors,the algorithm achieves the optimal configuration of networks.Simulation results show that the algorithm can reduce the network’s configuration cost as well as the number of nodes,and provide a good optimal deployment effect.

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Memo

Memo:
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Last Update: 2012-10-12