Towards a Practical and Fair Rate Allocation for Multihop Wireless Networks based on a Simple Node Model

Rémi Vannier 1, 2 Isabelle Guérin Lassous 1, 2
2 RESO - Protocols and softwares for very high-performance network
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme
Abstract : IEEE 802.11 is often considered as the underlying wireless technology of multihop wireless networks. But the use of 802.11 in such networks raises issues, like efficiency and/or fairness issues. Different kinds of solutions have been proposed to overcome these problems. One approach is to design new MAC protocols that provide alternatives to the IEEE 802.11 MAC protocol. Although these solutions are of some interest, it should probably take some time before new wireless network interface cards based on one of these solutions are developed and released. Another approach is to consider that 802.11 will remain the underlying wireless technology and to design solutions above it. Several solutions based on rate allocation have been proposed so far. The main drawback of the proposed solutions is that they rely on a radio medium sharing model that is difficult to compute in a wireless, distributed and mobile environment. Indeed, very few of these solutions have been derived into a network protocol. In this article, we propose a distributed and dynamic rate allocation solution that is based on a simple sharing model. Due to its simplicity, we can derive a network protocol that can be practically used in multihop wireless networks. This protocol provides a fair bandwidth sharing between end-to-end flows while maintaining an efficient overall throughput in the network. This solution has been implemented in NS2 and evaluated by simulations.
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Rapport
[Research Report] RR-6538, INRIA. 2008, pp.19
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Rémi Vannier, Isabelle Guérin Lassous. Towards a Practical and Fair Rate Allocation for Multihop Wireless Networks based on a Simple Node Model. [Research Report] RR-6538, INRIA. 2008, pp.19. 〈inria-00280407v2〉

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