Energy Efficiency Communication Protocol for Wireless Sensor Networks

Wireless sensor network (WSN) have been identified as one of the most important technology for 21st century. But the energy consumption is the major problem for the implementation of wireless sensor network now days. This paper presents the design and implementation of an energy aware sensor node, which helps to solve above mentioned problem about WSN. An energy efficient strategy, which aims at reducing energy consumption from both the sensor node level as well as network level in WSN, is proposed. For energy efficient Communication, distance between transmitter and receiver is estimated and then required lowest transmission power needed to transmit the measurement data is calculated and determined. After that actual communication takes place. Between two consecutive measurements sensor nodes are set to sleep mode for energy saving purpose under normal operating conditions. It is observed that energy consumption within whole network under different network configurations giving better results. It can give best results by choosing most efficient from one of them is also useful.