The week's pick
Reseach Article
Article:Performance Evaluation of Heterogeneous Sensor Networks with ATPC and Load Balancing
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 12 - Number 3 |
| Year of Publication: 2010 |
| Authors: Sudarmani.R, Dr.K.R. Shankar Kumar |
10.5120/1655-2226
|
Sudarmani.R, Dr.K.R. Shankar Kumar . Article:Performance Evaluation of Heterogeneous Sensor Networks with ATPC and Load Balancing. International Journal of Computer Applications. 12, 3 ( December 2010), 49-54. DOI=10.5120/1655-2226
Abstract
Wireless Sensor Networks (WSNs) are battery-powered ad-hoc networks in which sensor nodes are scattered over a region. These networks have high node density but highly resource-constraint in terms of size, power and bandwidth. Most of the existing sensor networks focus on homogeneous sensor networks, but these networks have poor performance in terms of energy consumption and network life time. So it is required to analyse the heterogeneous sensor network (HSN) model for better performance. Adjusting the transmission power of each node instead of using same power level to all nodes is the method used in HSN to reduce energy consumption. HSN with adaptive transmission power control (ATPC) of low-end sensors are analysed in terms of energy consumption and network life time and compared it with HSN without power control. But ununiform load distribution has been taken place. In this paper, Load balancing is also applied over HSN with ATPC and it is compared with HSN with ATPC. Simulation results prove that heterogeneous sensor networks with ATPC and Load balancing outperform the heterogeneous sensor networks with ATPC alone in terms of energy consumption and network life time.
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