An Energy Efficient and Lifetime Aware Routing Protocol in Ad Hoc Networks
In recent years, with the rapid development of Internet technology and wireless communication technology, wireless Ad hoc network has been received more attention. Due to the limited transmission range and energy of nodes in Ad hoc networks, it is important to establish a reliable and energy-saving transmission path in Ad hoc networks. In this paper we proposed an energy efficient routing algorithm EAODV. The algorithm is based on the AODV routing protocol mainly in the following two aspects of improvement: (1) In the route discovery process, when a node selects a routing node, it dynamically selects one of the minimum power consumption routes and the energy balanced route designed in this paper based on a marker bit representing the remaining energy, then establishes a transmission path; (2) Based on (1), a route interruption update strategy was proposed to make the RERR message to restart the route discovery process to find new routes when node energy was used excessively. Simulation results show that compared with AODV and other existing routing protocols, EAODV can reduce network energy consumption and improve network performances.
KeywordsAd hoc network Energy efficient AODV TrueTime
Thanks to the National Natural Science Foundation of China (Grants No. 61761035, 41761086, 61461037, 61661041) and “Scientific and Technological Innovation Project of Inner Mongolia Autonomous Region System Development and Product Application of Urban Flood Disaster Monitoring and Early-warning Management”.
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