ABSTRACT
This chapter discusses green computing via lifetime utilization of sensor nodes in wireless sensor network (WSN). Sensor nodes are battery-equipped and are deployed in a variety of terrains; therefore, power consumption is likely to be one of the foremost aspects for consideration, which affects the lifetime of WSNs. Energy to sensor nodes is provided by batteries, and subsequently, these nodes can only stay operational for a restricted period of time. Thus, the lifetime of WSNs is intensely vulnerable to energy consumption. Lifetime of nodes plays a vital role in green computing as dead nodes must be replaced with the new one in remote areas and then threaten the environment. Network lifetime can be improved by the efficient utilization of energy and hence contributed in green computing by reducing the number of new nodes to be deployed in sensing field.
In WSNs, energy is consumed due to data gathering from environment, transmission of data and reception in between nodes. Hence, energy efficiency is a major design issue for WSNs. Several routing protocols, power administration, and information dissemination protocols were chiefly designed for WSNs where energy efficiency is an essential design issue and which is being discussed in this chapter.
