Energy efficiency is a major issue of concern in mobile ad hoc networks (MANETs) as mobile nodes rely on batteries, which are limited source of power, and in several environments, it is quite unwieldy task to replace or renew them. Consideration of energy efficiency is very important in the design of routing protocols for MANETs. A cross-layer design approach is often used in designing energy efficient routing protocols. In this paper, a fuzzy adaptive transmission range at MAC layer and fuzzy threshold based power aware routing at network layer are used to design an energy efficient routing protocol implemented for Location Aided Routing (LAR). It is called Fuzzy Adaptive Transmission Range Based Power Aware Location Aided Routing (FTRPALAR). The simulation results are compared with that of LAR and variable transmission range power aware location aided routing (VTRPALAR). It is observed that the proposed protocol performs better as compared to the other protocols in terms of energy consumption and network lifetime.

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Manet Location Aided Routing Adaptive Transmission Range Fuzzy Threshold Energy.