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An Efficient QoS Routing Protocol for Real Time Applications in MANET

机译：MANET中实时应用的高效QoS路由协议

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摘要

Multimedia applications over Internet are rising day by day hence stringent requirements of bandwidth and delay is an important issue. This paper is focused on QoS aware routing which provides optimal routes as a function of parameters like bandwidth, delay, packet loss etc. Thea authors 'approach involves estimation of node bandwidth, delay and link expiration time at every node. The link expiration time metric is also considered for efficient route discovery to determine forecasting of route stability in near future and hence reliable route is identified. Existing link failure strategy involves frequent route discoveries which incurs high routing overhead and increased end-to-end delay. In this paper, efficient link failure strategy is also incorporated by utilizing multiple alternate paths in case of link failure which is determined with the help of signal intensity level to provide prediction before link break up. Performance of proposed approach is analyzed through simulation and validated analytically. Results show that the authors 'approach has beenfound outperforming to existing approaches.
机译：Internet上的多媒体应用正在日益增加，因此对带宽和延迟的严格要求是一个重要的问题。本文着重于QoS感知路由，该路由根据带宽，延迟，数据包丢失等参数提供最佳路由。作者的方法涉及估计节点带宽，延迟和每个节点的链路到期时间。还考虑使用链路到期时间度量来进行有效的路由发现，以确定在不久的将来对路由稳定性的预测，从而确定可靠的路由。现有的链路故障策略涉及频繁的路由发现，这会导致较高的路由开销和增加的端到端延迟。在本文中，在发生链路故障的情况下，还可以利用多个备用路径来合并有效的链路故障策略，这是借助信号强度级别确定的，以便在链路断开之前提供预测。通过仿真分析并验证了所提方法的性能。结果表明，作者的方法已优于现有方法。

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