This day’s wireless sensor networks draw the attention of researchers more due to their admired applications in environment monitoring systems, radiation uses and nuclear-threat detection applications; weapon sensors for ships; battlefield reconnaissance and surveillance; military power, control mechanism, intelligence centre, communications and targeting systems and biomedical applications. Wireless sensor network provides cheap cost solution to various world problems. Sensors are low cost devices with limited storage, computational power systems. Several security mechanisms for sensor network must be energy efficient as security is the major concerned when they will be used in large scale as sensors have limited power and computational capability and should not be computational intensive. In this review paper we study the various energy-efficient secure routing methods for WSN.
WSN, LEACH, Energy, Efficient, Routing
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