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CROMA: An Enhanced Slotted MAC Protocol for MANETs

Abstract : TDMA based MAC protocols can provide a very good utilization of the shared radio resources, especially at high input loads, in synchronized mobile ad hoc networks (MANETs). Global positioning systems like GPS or GALLILEO should provide a very good timing accuracy for synchronization of nodes. This paper presents a new medium access protocol for mobile ad hoc networks, called CROMA. CROMA is collision-free and receiver-oriented. It operates in a slotted environment, in a dynamic and distributed way. In this protocol, receivers act as local base stations and can manage one or several communications on a single slot. Thus, sophisticated functions are allowed at higher layers. Moreover, the hidden terminal as well as the exposed terminal problems are handled by CROMA. A theoretical analysis and extensive simulations show that CROMA can reach very high throughputs.
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Submitted on : Tuesday, February 15, 2011 - 9:33:39 AM
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Marceau Coupechoux, Bruno Baynat, Christian Bonnet, Vinod Kumar. CROMA: An Enhanced Slotted MAC Protocol for MANETs. Mobile Networks and Applications, 2005, 10 (1-2), pp.183-197. ⟨10.1023/b:mone.0000048554.50262.c1⟩. ⟨hal-00565941⟩



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