A Survey on Hole Detection and Healing Techniques in WSN  
  Authors : Soumya P. V. ; Shreeja R.

 

One of the major functions of a wireless sensor network is the monitoring of a particular area. Coverage is considered as an important measure of quality of service provided by a wireless sensor network and also emergence of holes in the area of interest is unavoidable due to the nature of WSN nodes. If there is a hole in the network, during data transmission across the hole, the data will move along the hole boundary nodes again and again. This will cause the depletion of energy of nodes in the hole boundary nodes. So detection and healing of such coverage holes is an important factor of concern. There are a number of techniques are introduced to detect and heal holes in WSN. This work reviews these techniques and will explain its merits and demerits.

 

Published In : IJCAT Journal Volume 2, Issue 2

Date of Publication : March 2015

Pages : 81 - 83

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Tables : 01

Publication Link :A Survey on Hole Detection and Healing Techniques in WSN

 

 

 

Soumya P. V. : M-Tech Student, Computer Science and Engineering, MES college of Engineering Malappuram, Kerala, India

Shreeja R. : Assistant Professor, Computer Science and Engineering, MES college of Engineering Malappuram, Kerala, India

 

 

 

 

 

 

 

Coverage

Hole

Hole Detection

Hole healing

WSN

Geometrical approach for hole detection requires GPS enabled sensor and is expensive. They consume a lot of energy and it is not practical for sensors to know their exact location in hostile environment. Topological approach provides realistic results but involves communication overhead.

 

 

 

 

 

 

 

 

 

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