It is well known that CSMA/CA protocols exhibit very poor performance in case of multi-hop transmissions, because of inter-link interference due to imperfect carrier sensing. We propose to control such an interference by preallocating temporal slots in which different sets of network nodes are allowed to contend for the channel access. The approach is based on distributed coloring algorithms with limited signaling overhead that can be customized as a function of the network topology and traffic load.
Coloring-based resource allocations in ad-hoc wireless networks / Giarrè, Laura; La Rosa, F; Pesenti, R; Tinnirello, I.. - (2011), pp. 123-126. (Intervento presentato al convegno 2011 the 10th IFIP Annual Mediterranean Ad Hoc Networking Workshop, Med-Hoc-Net'2011 tenutosi a Favignana, Italy nel giugno 2011) [10.1109/Med-Hoc-Net.2011.5970477].
Coloring-based resource allocations in ad-hoc wireless networks
GIARRÈ, Laura;
2011
Abstract
It is well known that CSMA/CA protocols exhibit very poor performance in case of multi-hop transmissions, because of inter-link interference due to imperfect carrier sensing. We propose to control such an interference by preallocating temporal slots in which different sets of network nodes are allowed to contend for the channel access. The approach is based on distributed coloring algorithms with limited signaling overhead that can be customized as a function of the network topology and traffic load.
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