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April 13, 2012


Mercoledi’ 18 Aprile alle ore 15.00 presso la sala riunioni 201 del Dipartimento di Ingegneria dell’Informazione
la Prof.ssa Laura Giarre’ delll’Universita’ di Palermo terra’ un seminario dal titolo

Resource allocation in multi-hop wifi networks

To optimize resource allocation (throughput and delay) in multi-hop ad-hoc networks the Carrier Sense Multiple Access with Collision Avoidance(CSMA/CA) performance can be combined with the Time Division Multiple Access (TDMA), preallocating temporal slots in which different sets of nodes are allowed to contend for the channel access, via a map coloring algorithm.
Contention based approach and scheduling can be adaptively combined by identifying a threshold in performance that is traffic-aware. We implement a game theoretical approach to allocate some extra slots to equalize resources among nodes and increase the average throughput minimizing the queue length.

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