Geographical Multicast Quality of Service Routing Protocol for Mobile Ad-Hoc Networks

摘要

Recently, the necessity of applications wheremany users have to interact in a close manner over mobile AdHoc networks gains high popularity. Multicast communicationis essential in this type of applications to reduce the overheadof group communication. For group-oriented multimediaapplications Quality of Service (QoS) provision is a basicrequirement, which makes an efficient QoS multicast routingprotocol a very important issue. This paper proposes alocation-based QoS multicast routing protocol via cooperationbetween Network and MAC layers. Along with this protocol, alocation and group membership management scheme has beenproposed. To further reduce the control overhead andbandwidth consumption, we apply clustering strategy bypartitioning the network topology into hexagon cells. Thus,maintaining the network topology is limited to certain nodes.The performance of the proposed protocol is evaluated usingGloMoSim simulation environment. Simulation results showthat our approach provides high packet delivery ratioassociated with low control overhead.