Energy Efficient Reliable Path Considering Residual Energy with Hop Count Parameter in MANET

The most important issue that must be solved in designing a data transmission algorithm for wireless Ad Hoc networks is how to save Ad Hoc node energy while meeting the needs of applications/users as the Ad Hoc nodes are battery limited. While satisfying the energy saving requirement, it is also necessary to achieve the quality of service. In order to achieve this requirement, Energy-efficient Energy-Aware routing protocol for wireless Ad Hoc networks is proposed that saves the energy by efficiently selecting the energy efficient path in the routing process. When source finds route to destination, it calculates α for each route. The value α is based on largest minimum residual energy of the path and hop count of the path. If a route has higher α, then that path is selected for routing the data. The value of α will be higher, largest of minimum residual energy of the path is higher and the number of hop count is lower. Once the path is selected, data is transferred along the path. In order to increase the energy efficiency further transmission power of the nodes is also adjusted based on the location of their neighbor. If the neighbors of a node are closely located to that node, then transmission range of the node is decreased. Therefore it is enough for the node to have the transmission power to reach the neighbor within that range. As a result transmission power of the node is reduce which subsequently reduces the energy consumption of the node.