Computer Science – Networking and Internet Architecture
Scientific paper
2011-11-09
Computer Science
Networking and Internet Architecture
This work has been presented in the 4th IFIP Wireless-Days conference (WD 2011)
Scientific paper
We quantify the throughput capacity of wireless multi-hop networks with several medium access schemes. We analyze pure ALOHA scheme where simultaneous transmitters are dispatched according to a uniform Poisson distribution and exclusion schemes where simultaneous transmitters are dispatched according to an exclusion rule such as node coloring and carrier sense based schemes. We consider both no-fading and standard Rayleigh fading channel models. Our results show that, under no-fading, slotted ALOHA can achieve at least one-third (or half under Rayleigh fading) of the throughput capacity of node coloring scheme whereas carrier sense based scheme can achieve almost the same throughput capacity as node coloring.
Adjih Cedric
Jacquet Philippe
Malik Salman
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