An improved AODV with QoS support in mobile ad-hoc network

Quality of service(QoS) becomes a more challenging task due to bandwidth constraints and dynamic topology of a wireless network. Because of dynamic topology reason nodes in a network moves freely and results in various routing problems. Therefore, to overcome these challenges a protocol with QoS is proposed in this paper named QAODV. In this paper two additional fields are to the message of Ad-hoc on demand distance vector (AODV) routing protocol added in order to improve performance in terms of packet delivery rate (PDR), packet loss ratio (PLR) and average end to end delay. The simulation results reveals the improved performances of QAODV with AODV and is achieved in packet delivery ratio and total no. of packets dropped in the network at the expense of forwarding more routing packets makes it more reliable in realtime traffic scenario.