Vehicular Ad Hoc NETwork (VANET), a subclass of Mobile Ah Hoc NETwork (MANET) has been a tech-buzz for the last couple of decades. VANET, yet not deployed, promises the ease, comfort, and safety to both drivers and passengers once deployed. The by far most important factor in successful VANET applic...
Vehicular Ad Hoc NETwork (VANET), a subclass of Mobile Ah Hoc NETwork (MANET) has been a tech-buzz for the last couple of decades. VANET, yet not deployed, promises the ease, comfort, and safety to both drivers and passengers once deployed. The by far most important factor in successful VANET application is the data dissemination scheme. Such data includes scheduled beacons that contain whereabouts information of vehicles. In this paper, we aim at regularly broadcasted beacons and devise an algorithm to disseminate the beacon information up to a maximum distance and alleviate the broadcast storm problem at the same time. According to the proposed scheme, a vehicle before re-broadcasting a beacon, takes into account the current vehicular density in its neighborhood. The re-broadcasters are chosen away from the source of the beacon and among the candidate re-broadcasters, if the density in the neighborhood is high, then the candidate rebroadcaster re-broadcasts the beacon with high probability and with low probability, otherwise. We also performed thorough simulations of our algorithms and the results are sound according to the expectations.
Vehicular Ad Hoc NETwork (VANET), a subclass of Mobile Ah Hoc NETwork (MANET) has been a tech-buzz for the last couple of decades. VANET, yet not deployed, promises the ease, comfort, and safety to both drivers and passengers once deployed. The by far most important factor in successful VANET application is the data dissemination scheme. Such data includes scheduled beacons that contain whereabouts information of vehicles. In this paper, we aim at regularly broadcasted beacons and devise an algorithm to disseminate the beacon information up to a maximum distance and alleviate the broadcast storm problem at the same time. According to the proposed scheme, a vehicle before re-broadcasting a beacon, takes into account the current vehicular density in its neighborhood. The re-broadcasters are chosen away from the source of the beacon and among the candidate re-broadcasters, if the density in the neighborhood is high, then the candidate rebroadcaster re-broadcasts the beacon with high probability and with low probability, otherwise. We also performed thorough simulations of our algorithms and the results are sound according to the expectations.
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문제 정의
In this paper we aim at the re-broadcasting mechanism of scheduled beacons in such a way to bridge the gap between efficiency and application requirements. We take into account the current traffic density around the receiver of the beacon and the distance from the sender on which it decides whether to rebroadcast the received beacon or not.
제안 방법
As a result of the scrutiny of the previous schemes, in this paper we analyze the effect of vehicular density over the broadcast. We specifically aim at the scheduled beacons in our study.
In this sub-section we outline our re-broadcasting mechanism. In order to rebroadcast a received beacon, the receiver first calculates the current traffic density and classifies the density into three categories dense traffic, average traffic, or sparse traffic. It then calculates its distance from the original sender.
In this paper, we proposed a hybrid mechanism to rebroadcast the received beacons in order to expand the local traffic view to extended traffic view in Vehicular Ad Hoc NETworks (VANETs). Our proposed scheme takes into account, the privacy-aware traffic density, p-persistence based technique, and geocast-based technique to select the relayer for the beacons.
In this paper, we proposed a hybrid mechanism to rebroadcast the received beacons in order to expand the local traffic view to extended traffic view in Vehicular Ad Hoc NETworks (VANETs). Our proposed scheme takes into account, the privacy-aware traffic density, p-persistence based technique, and geocast-based technique to select the relayer for the beacons. The number of re-broadcasters is controlled by dividing the traffic regimes into dense, average, and sparse traffic regimes.
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