Review Papers | Computer Science & Engineering | India | Volume 4 Issue 9, September 2015
Implementation of Extensive Method for Mobile Relay Configuration in Wireless Sensor Networks
Shraddha Wankar | Vrunda Bhusari
Abstract: Wireless Sensor Networks (WSNs) are increasingly used in data-intensive applications such as microclimate monitoring, precision agriculture, and audio/video surveillance. A key challenge faced by data-intensive WSNs is to transmit all the data generated within an applications lifetime to the base station despite the fact that sensor nodes have limited power supplies. We propose using low cost disposable mobile relays to reduce the energy consumption of data-intensive WSNs. Our approach differs from previous work in two main aspects. First, it does not require complex motion planning of mobile nodes, so it can be implemented on a number of low-cost mobile sensor platforms. Second, we integrate the energy consumption due to both mobility and wireless transmissions into a holistic optimization framework. Our framework consists of three main algorithms. The first algorithm computes an optimal routing tree assuming no nodes can move. The second algorithm improves the topology of the routing tree by greedily adding new nodes exploiting mobility of the newly added nodes. The third algorithm improves the routing tree by relocating its nodes without changing its topology. This iterative algorithm converges on the optimal position for each node given the constraint that the routing tree topology does not change. We present efficient distributed implementations for each algorithm that require only limited, localized synchronization. Because we do not necessarily compute an optimal topology, our final routing tree is not necessarily optimal. our proposed simulation results show that our algorithms significantly outperform the best existing solutions.
Keywords: WSN, OMRC, Energy Optimization, Mobile Node
Edition: Volume 4 Issue 9, September 2015,
Pages: 692 - 696
How to Cite this Article?
Shraddha Wankar, Vrunda Bhusari, "Implementation of Extensive Method for Mobile Relay Configuration in Wireless Sensor Networks", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=SUB158050, Volume 4 Issue 9, September 2015, 692 - 696, #ijsrnet
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