Wireless sensor networks (WSNs) consisting of several wireless nodes deployed in a vast area have the capacity to sense different events or parameters according to the type of application. The sensed parameters are determined using sensor nodes (SNs) and transmitted directly or through the router node to the coordinator node. The SNs, called motes in the WSN applications, are typically characterized by low power consumption, miniaturized size, and low cost. In WSNs, SNs are randomly deployed to collect data from an interested area. The radio frequency unit of these nodes establishes communication between the nodes of the network and communication of the network with the outside world. The radio frequency and processing units consume the most energy. Reducing the power consumption in the communication unit for these nodes is considered a major challenge in WSNs. In some cases, a transmission of one byte consumes more power than the power required to execute a thousand instructions.

Papers:

P. T. V. Bhuvaneswari, V. Vaidehi, and M. Agnes Saranya, “Optimal transmission power selection under energy constraints for sensor network localization,” in Proceedings of the 11th International Conference on Control, Automation, Robotics & Vision (ICARCV '10), pp. 443–447, Singapore, December 2010.

M. Al Ameen, S. M. R. Islam, and K. Kwak, “Energy saving mechanisms for MAC protocols in wireless sensor networks,” International Journal of Distributed Sensor Networks, vol. 2010, Article ID 163413, 16 pages, 2010.

C. Zhen, W. Liu, Y. Liu, and A. Yan, “Energy-efficient sleep/wake scheduling for acoustic localization wireless sensor network node,” International Journal of Distributed Sensor Networks, vol. 2014, Article ID 970524, 14 pages, 2014.

H. Asgarizadeh and J. Abouei, “An energy-efficient SD-based LZW algorithm in dynamic wireless sensor networks,” in Proceedings of the 21st Iranian Conference on Electrical Engineering (ICEE '13), pp. 1–6, Mashhad, Iran, May 2013.

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