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Low Energy Consumption Scheme Based on PEGASIS Protocol in WSNs | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 56, Issue 3, 2015, Pages 2051-2062 | ||
| Authors | ||
| Hiba S. Mahdi; Imad J. Mohammed; Nushwan Y. Baithoon | ||
| Abstract | ||
| Wireless Sensor Networks (WSNs) are composed of a collection of rechargeable sensor nodes. Typically, sensor nodes collect and deliver the necessary data in response to a user’s specific request in many application areas such as health, military and domestic purposes. Applying routing protocols for sensor nodes can prolong the lifetime of the network. Power Efficient GAthering in Sensor Information System (PEGASIS) protocol is developed as a chain based protocol that uses a greedy algorithm in selecting one of the nodes as a head node to transmit the data to the base station. The proposed scheme Multi-cluster Power Efficient GAthering in Sensor Information System (MPEGASIS) is developed based on PEGASIS routing protocol in WSN. The aim of the proposed scheme is to introduce a transmission power control system based on the residual energy level and the energy harvesting status of each sensor node to extend the overall lifetime of WSN and to balance the energy usage, this leads to increasing network lifetime and decreasing energy consumption. MPEGASIS outperforms PEGASIS protocol by about 19%, and LEACH protocol by about 34%. For the sake of performance evaluation, MPEGASIS protocol besides PEGASIS and LEACH protocols are simulated and compared using Network Simulator (NS2). | ||
| Keywords | ||
| Wireless Sensor Networks; PEGASIS protocol; Clustering mechanism; LEACH protocol; Residual energy; means algorithm | ||
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