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Adaptive QoS Multicast Routing with Mobility Prediction in MANETs

Author(s): G. Santhi | Alamelu Nachiappan

Journal: International Journal of Ad Hoc, Sensor & Ubiquitous Computing
ISSN 0976-2205

Volume: 1;
Issue: 3;
Start page: 59;
Date: 2010;
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Keywords: MANETs | Multi-constrained routing multicasting | clusters | end-to-end delay | packet loss ratio

A Mobile Ad hoc NETwork (MANET) is a collection of wireless mobile hosts that form a temporary networkwithout a centralized administration or wired infrastructure. Due to the high mobility of nodes, the networktopology of MANETs changes very fast, making it more difficult to find the routes that message packets use.Network control with Quality of Service (QoS) support is a key issue for multimedia applications in MANET.Most of the real time applications have stringent requirements on bandwidth, delay, delay-jitter, packet lossratio, cost and other QoS metrics. This paper proposes a Multi-constrained QoS routing with mobilityprediction protocol. If the node has enough resources to transmit data packets, it uses the GlobalPositioning System (GPS) to get the location information of the mobile nodes and selects the routing pathwith the maximum Route Expiration Time (RET). A set of static and mobile agents are used to find themulticast routes and transmit the packets. Extensive simulations have been conducted to evaluate theperformance of MC_MAODV using Network Simulator (NS-2). The simulation results show that theproposed protocol achieves good performance in terms of improving packet delivery ratio and minimizingend-to-end delay
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