Redundancy Effect on Fault Tolerance in Wireless Sensor Networks

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Mohammad Mehran
Mohammad Mehran
σ
Dr. A. Mojoodi
Dr. A. Mojoodi
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M. Mehrani
M. Mehrani
Ѡ
F. Forootan
F. Forootan
¥
R. Farshidi
R. Farshidi
α Islamic Azad University, Tehran Islamic Azad University, Tehran

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Redundancy Effect on Fault Tolerance in Wireless Sensor Networks

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Abstract

There are several usages for wireless sensor networks in military, supervisory, region considering, physiology, etc. Sensor nodes are usually equipped with some non chargeable batteries having limitations in lifetime while they cannot be replaced with other sensors when they fail. Each sensor has a failure probability which is affected from some factors like electrical energy, hardware failures, communication error, undesired environment situations, etc. Thus, fault tolerant is a very important and critical factor in such networks. Hardware redundancies like having redundant nodes and paths are suitable echniques used for increasing fault tolerant factor. On the other hand, using hardware redundancies leads increasing in overall network consumption because of using more number of sensors. In this paper we estimate the affect of redundancy on the number of correct responses that wireless sensor networks have on the received queries and also show the level of redundancy needed in different network conditions like having different fault probabilities and needed clusters to response the received queries. Keywords: wireless sensor network, fault tolerance, redundancy, reliability

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Mohammad Mehran. 1970. \u201cRedundancy Effect on Fault Tolerance in Wireless Sensor Networks\u201d. Unknown Journal GJCST Volume 11 (GJCST Volume 11 Issue 6): .

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v1.2

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April 17, 2011

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English
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There are several usages for wireless sensor networks in military, supervisory, region considering, physiology, etc. Sensor nodes are usually equipped with some non chargeable batteries having limitations in lifetime while they cannot be replaced with other sensors when they fail. Each sensor has a failure probability which is affected from some factors like electrical energy, hardware failures, communication error, undesired environment situations, etc. Thus, fault tolerant is a very important and critical factor in such networks. Hardware redundancies like having redundant nodes and paths are suitable echniques used for increasing fault tolerant factor. On the other hand, using hardware redundancies leads increasing in overall network consumption because of using more number of sensors. In this paper we estimate the affect of redundancy on the number of correct responses that wireless sensor networks have on the received queries and also show the level of redundancy needed in different network conditions like having different fault probabilities and needed clusters to response the received queries. Keywords: wireless sensor network, fault tolerance, redundancy, reliability

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Redundancy Effect on Fault Tolerance in Wireless Sensor Networks

Dr. A. Mojoodi
Dr. A. Mojoodi
M. Mehrani
M. Mehrani
F. Forootan
F. Forootan
R. Farshidi
R. Farshidi

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