Mobile ad hoc networks (MANETs) are composed of battery operated devices. These devices have limited battery capacity, which makes energy a scarce resource in MANETs. Energy conservation is crucial in such networks. Even though a node may not have any message of its own to transmit, its battery is drained when it acts as a router and forwards packets for other nodes. The frequent route discovery attempts in dynamic networks can affect the performance adversely. Multipath on demand protocols try to alleviate these problems by computing multiple paths in a single route discovery attempt. In order to utilize the limited energy source effectively and extend the lifetime of the network, routing protocols should be energy efficient. The energy consumption is not only affected by the network operations but also by the mobility pattern of the nodes. In this work, a well-known multipath routing protocol ad hoc on demand multipath distance vector (AOMDV) is evaluated for the energy consumption under different mobility patterns. The evaluation is done under different mobility models and results are reported for various parameters.

AOMDV, Energy, MANET, Mobility model, Routing

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