Utility-Based Resource Allocations in Multi-Hop Wireless Networks

Ilenia Tinirello 1 Laura Giarrè 1 Romina Badalamenti 1 Fabio Giuseppe La Rosa 1
1 D.I.E.E.T. Palermo - Dipartimento di Ingegneria Elettrica, Elettronica e delle Telecomunicazioni
Abstract : It is well known that CSMA (Carrier Sense Multiple Access) protocols exhibit very poor performance in case of multi-hop transmissions, because of inter-link interference due to imperfect carrier sensing. Since ad-hoc networks based on multihop packet deliveries are becoming more and more common in different application and networking scenarios, different medium access control extensions are currently considered for improving the channel utilization efficiency. In this paper, we propose a simple approach based on preallocating temporal slots in which different sets of nodes are allowed to contend for the channel access, which can significantly improve CSMA performance with limited signaling overhead. Since the approach does not completely prevent contentions for accessing the wireless channel, we also propose a game-theoretical analysis of contention strategies for multi-hop networks.
Type de document :
Communication dans un congrès
Roberto Cominetti and Sylvain Sorin and Bruno Tuffin. NetGCOOP 2011 : International conference on NETwork Games, COntrol and OPtimization, Oct 2011, Paris, France. IEEE, 2011
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Soumis le : jeudi 24 novembre 2011 - 12:46:30
Dernière modification le : lundi 20 juin 2016 - 14:10:32
Document(s) archivé(s) le : dimanche 4 décembre 2016 - 23:21:22

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Ilenia Tinirello, Laura Giarrè, Romina Badalamenti, Fabio Giuseppe La Rosa. Utility-Based Resource Allocations in Multi-Hop Wireless Networks. Roberto Cominetti and Sylvain Sorin and Bruno Tuffin. NetGCOOP 2011 : International conference on NETwork Games, COntrol and OPtimization, Oct 2011, Paris, France. IEEE, 2011. 〈hal-00644389〉

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