Path-Centric On-Demand Rate Adaptation for Mobile Ad Hoc Networks

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Executive Summary

Exploiting the multirate capability in Mobile Ad hoc NETworks (MANETs) is more complex than in single-hop WLANs because of the rate-distance and rate-hop count tradeoffs. This paper proposes Path-centric on-demand Rate Adaptation for MANETs (PRAM) protocol. A unique feature that sets PRAM apart from most of previous studies is its path-centric approach. While others focus on finding the best data rate for each link and offering a routing path as a collection of links at their best rates, PRAM finds the best data rate for a source destination pair and then, dynamically adapts it based on path lifetime and other factors.

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