In future Vehicular Ad hoc NETworks (VANET), the broadcast data transmission capability and efficiency will play an important role. This paper presents a novel concept of fair data rate assignment in a VANET environment. The considered fairness criterion for broadcast applications is to choose the data rate, which is available for a single user, proportional to the average utility per byte of data packets transmitted by the respective node. The proposed decentralized technique for fair rate assignment, called utility-fair broadcast (UFB), can be implemented on top of the IEEE 802.11 MAC protocol and has been evaluated in realistic VANET scenarios. Initial simulation results demonstrate that UFB avoids the starvation of individual nodes and significantly increases the efficiency of broadcast applications.
On utility-fair broadcast in Vehicular Ad hoc networks
Ein Beitrag zum Messdaten-Funkverkehr bei fahrzeugtechnischen Ad-Hoc-Netzwerken
2005
5 Seiten, 3 Bilder, 4 Tabellen, 10 Quellen
Conference paper
English
On Utility-Fair Broadcast in Vehicular Ad Hoc Networks
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