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Communication Dans Un Congrès Année : 2007

Dynamic Retransmission Limit Scheme for Routing in Multi-hop Ad hoc Networks

Ralph El-Khoury
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Rachid El-Azouzi

Résumé

In paper [2] and [3], we have studied the throughput and stability of forwarding queues in a wireless ad hoc network with random access channel. In this paper, we are focusing to draw benefit from the interaction of the MAC (governed by IEEE 802.11 or slotted aloha) and routing by defining a new cross-layer scheme for routing based on the limit number of retransmission. By adjusting dynamically and judiciously this parameter in a saturated network, we have realized that both stability and average throughput are significantly improved in linear symmetric networks: a gain of 100 % can be reached, while in asymmetric networks, we achieve a better average delay (resp. throughput) for each connection without changing the average throughput (resp. delay). A detailed performance study of our new scheme is presented using analytical and simulation evaluation.
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Dates et versions

hal-01315027 , version 1 (12-05-2016)

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Ralph El-Khoury, Rachid El-Azouzi. Dynamic Retransmission Limit Scheme for Routing in Multi-hop Ad hoc Networks. ValueTools '07 Proceedings of the 2nd international conference on Performance evaluation methodologies and tools, Oct 2007, Nantes, France. ⟨10.4108/inter-perf.2007.2098⟩. ⟨hal-01315027⟩

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