Abstract
Mobile ad hoc networks (MANET’s) popularly uses ad hoc on-demand distance vector (AODV) routing protocol. Past research has identified certain limitations on performance on AODV. This work discusses the results of a new protocol, improved directional AODV (ID-AODV) routing protocol; that has succeeded in improving the performance of MANET’s for energy, delay, packet delivery ratio and overheads as compared with networks using AODV. In ID-AODV, improvements are carried out in both network layer, and data link layer. The directionality is introduced based on hop count of its position from the source. The dual sensing directional media access control protocol is used to eliminate the hidden terminal, exposed terminal, and deafness issue. Participation of nodes in forming route is decided by checking remaining energy level of the node and also checking its load. A modified algorithm is used to reduce the delay. This algorithm reduces the delay by changing the time to live, wait time, and using expanded ring search technique. The simulation results show that the ID-AODV offers improved performance on average Energy consumption in the range of 17–20%, average end to end delay is lower by 61 to 95%, Overheads improved in the range of 10–13%, Jitter 6–21%, link break 43–52%, packet delivery ratio is 6–21% lower as compared to MANETS deploying AODV.
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