Detection of Node Failure in Wireless Image Sensor Networks | Zendy

Arunanshu Mahapatro | Zendy; Pabitra Mohan Khilar | Zendy

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Detection of Node Failure in Wireless Image Sensor Networks

Author(s) -

Arunanshu Mahapatro,

Pabitra Mohan Khilar

Publication year - 2012

Publication title -

isrn sensor networks

Language(s) - English

Resource type - Journals

ISSN - 2090-7745

DOI - 10.5402/2012/342514

Subject(s) - node (physics) , wireless sensor network , computer science , fault (geology) , dissemination , fault tolerance , key distribution in wireless sensor networks , real time computing , process (computing) , wireless , sensor node , computer network , distributed computing , wireless network , engineering , telecommunications , seismology , geology , operating system , structural engineering

A sequenced process of fault detection followed by dissemination of decision made at each node characterizes the sustained operations of a fault-tolerant wireless image sensor network (WISN). This paper presents a distributed self-fault diagnosis model for WISN where fault diagnosis is achieved by disseminating decision made at each node. Architecture of fault-tolerant wireless image sensor nodes is presented. Simulation results show that sensor nodes with hard and soft faults are identified with high accuracy for a wide range of fault rate. Both time and message complexity of the proposed algorithm are () for an -node WISN.

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