An Algorithm for Energy Efficient Cooperative Communication in Wireless Sensor Networks

• K. Senthil Kumar,
• R. Amutha,

Vol. 10, No. 7, July 30, 2016
10.3837/tiis.2016.07.012, Download Paper (Free):

• cooperative communication
• Sensors
• C-MISO
• WSN
• Energy Efficiency
• energy-delay product

Abstract

In this paper, we propose an algorithm for energy efficient cooperative communication in wireless sensor network (WSN). The algorithm computes the appropriate transmission distance corresponding to optimal broadcast bit error probability, while taking the circuit energy consumption and the number of cooperating nodes into consideration. The algorithm guarantees minimum energy consumption by choosing higher value of bit error probability for cooperative phase and lower value of bit error probability for broadcast phase while maintaining the required end-to-end reliability. The simulation results show that the proposed algorithm provides significant energy saving gain when compared with traditional fixed distance schemes and is suitable for applications demanding energy efficiency with high quality of reception.

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