Relative fairness and optimized throughput for mobile ad hoc networks

Abstract : Although IEEE 802.11 provides several transmission rates, a suitable rate adaptation taking into account the relative fairness among all competitive stations, according to the underlying channel quality remains a challenge in Mobile Ad hoc Networks (MANETs). The absence of any fixed infrastructure and any centralized control makes the existing solutions for WLANs like CARA (collision-aware rate adaptation) [4] not appropriate for MANETs. In this paper, we propose a new analytical model with a suitable approach to ensure a relative fairness among all competitive nodes of a particular channel. Our model deals with the channel quality while respecting the nodes, based on transmission successes and failures in a mobility context. Finally, each node calculates its own probability to access the channel in a distributed manner. We evaluate the performance of our scheme with others in the context of MANET via extensive and detailed simulations. The performance differentials are analysed using varying network load and transmission range. The simulation results illustrate that our proposed approach ensures a better tradeoff between fairness and throughput.
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Abderrahim Benslimane, Abderrezak Rachedi, Deepack Diwakar. Relative fairness and optimized throughput for mobile ad hoc networks. IEEE ICC 2008, May 2008, Beijing, China. pp.2233 - 2237, ⟨10.1109/ICC.2008.426⟩. ⟨hal-00680884⟩

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