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Title: Towards Reliable Broadcast in ad hoc Networks
Authors: Pereira, Miguel
Bernardo, Luis
Dinis, Rui
Oliveira, Rodolfo
Keywords: Reliability
MAC optimization
MAC performance evaluation
Broadcast/unicast traffic
Issue Date: Mar-2012
Publisher: IEEE
Citation: R. Oliveira, M. Luís, L. Bernardo, R. Dinis, Towards Reliable Broadcast in ad hoc Networks, IEEE Communications Letters, Vol. 16, No. 3, pp. 314 - 317, March, 2012
Abstract: —This letter presents new results obtained with a novel MAC scheme designed to be reliable and maximize the throughput of a single-hop network. Contrarily to the IEEE 802.11 MAC scheme, all nodes adopt a common optimal contention window size for unicast and broadcast transmissions, which is based on a common view of the channel. In this way, the conditional collision probability is independent of the type of traffic (broadcast or unicast). Simulation results for different amounts of broadcast/unicast traffic indicate that our approach significantly outperforms IEEE 802.11, exhibiting broadcast aggregate throughput gains up to 40%. Moreover, the simulation results indicate that the probability of successful transmitting a broadcast frame can be also improved up to 50% and, as the number of nodes increase, broadcast frames can obtain approximately the same reliability and throughput achieved by IEEE 802.11 unicast frames.
Peer Reviewed: yes
metadata.dc.identifier.doi: 10.1109/LCOMM.2012.010512.111998
ISSN: 1089-7798
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Appears in Collections:DCT - Artigos/Papers

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