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.
CROMA: An enhanced slotted MAC protocol for MANETs
MONET Mobile networks and applications, Vol.10, N°1-2, February-April 2005, Special issue on algorithmic solutions for wireless mobile ad-hoc and sensor networks
Systèmes de Communication
© Springer. Personal use of this material is permitted. The definitive version of this paper was published in MONET Mobile networks and applications, Vol.10, N°1-2, February-April 2005, Special issue on algorithmic solutions for wireless mobile ad-hoc and sensor networks and is available at : http://dx.doi.org/10.1023/B:MONE.0000042497.03569.17
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