A Simplified Analytical Model for End-to-End Delay Analysis in MANET

In order to provide quality delivery to delay sensitive applications such as voice and video, it is extremely important that mobile Ad hoc networks provide Quality of Service (QoS) support in terms of bandwidth and delay. In spite of using IEEE 802.11 as Medium Access Control (MAC), most of the Ad hoc routing protocols do not consider MAC delay contention time, which occurs, in the medium reservation. Large contention times can be more critical than hop counts in determining the end-to-end delay. Most existing MANET routing protocols such as AODV, DSR and OLSR are designed to search for the shortest path with minimum hop counts. However, the shortest routes do not always provide the best performance, especially when there are congested nodes along these routes.

Provided by: Indian Institute of Technology Roorkee Topic: Mobility Date Added: Dec 2010 Format: PDF

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