A Survey of LEACH Protocol and its Modified Versions in Wireless Sensor Network

Wireless sensor network is a wireless network of sensor node and become one of the most interesting area of researches .routing technique is one of the most challenging issue in wireless sensor network. In Wireless sensor network routing among various routing technique energy consumption is one of the most important criteria. LEACH protocol which is one of the energy efficient clustering protocol .leach is effective in prolonging the network life time by consuming a small percentage of the total dissipated energy in the system. the paper present survey of LEACH protocol and various LEACH-Based hierarchal routing protocols like LEACH-C ,M-LEACH,E-LEACH ,V-LEACH.

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