A Novel Routing Protocol Based on an Energy Model in Ad Hoc Networks

Ad hoc networks usually consist of mobile battery operated computing devices that communicate over the wireless medium. These devices are battery operated and therefore need to be energy conserving so that the battery life of each individual node can be prolonged. To maximize the lifetime of an ad hoc network, it is essential to prolong each individual node (mobile) life through minimizing the total transmission energy consumption for each communication request. Therefore, an efficient routing protocol must satisfy that the energy consumption rate at each node is evenly distributed and at the same time the total transmission energy for each request is minimized. To devise a routing protocol meeting the above two conflict objectives simultaneously is very difficult due to the NP hardness of the problem. Instead, an approximation solution is desirable and appreciated. At last, we implement the algorithm within AODV routing protocol by NS2, the results of our simulation-based analysis are presented. We conducted a complete set of simulations to compare and contrast the performance of energy consumption and network lifetime metrics. Our analysis provides a comparison of the performances between EA AODV and AODV protocol.