http://www.cnr.it/ontology/cnr/individuo/prodotto/ID83687

Latency and Capacity Optimal Broadcasting in Wireless Multi-Hop Networks (Contributo in atti di convegno)

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Latency and Capacity Optimal Broadcasting in Wireless Multi-Hop Networks (Contributo in atti di convegno) (literal)

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Resta G.; Santi P. (2009)
Latency and Capacity Optimal Broadcasting in Wireless Multi-Hop Networks
in IEEE International Conference on Communications, Dresden, Germany
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In: ICC '09 - IEEE International Conference on Communications (Dresden, Germany, 14-18 June 2009). Proceedings, article n. 400. Hamid Akhavan (ed.). IEEE Press, 2009. (literal)

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ABSTRACT: In this paper, we study the fundamental properties of broadcasting in multi-hop wireless networks. Previous studies have shown that, as long as broadcast capacity is concerned, asymptotically optimal broadcasting is possible in wireless multi-hop networks under very general conditions. However, none of the existing work on broadcast capacity has considered latency in message delivery, which is simply assumed to be finite (but not explicitly bounded). In this paper, we address the issue of investigating the fundamental properties of broadcast communications for what concerns both capacity and latency using a realistic, SINR-based interference model. In particular, we introduce a novel topological notion of network connectivity, and show that, if the network satisfies this property, asymptotically optimal broadcast capacity and latency can be achieved simultaneously. This is in sharp contrast to similar results obtained for the case of unicast transmissions, where strictly boun (literal)

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