Adaptive delay-based geocast protocol for data dissemination in urban VANET

Akamatsu, Ryosuke; Suzuki, Masaki; Okamoto, Takuya; Hara, Koichiro; Shigeno, Hiroshi

doi:10.1109/icmu.2014.6799085

Cited by 24 publications

(20 citation statements)

References 7 publications

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“…Rebroadcasts can be reduced by forwarding the packet to only one node from the neighbors. In VANETs, vehicles at intersections need highest priority [5] to broadcast the packets to avoid communication blocking by buildings. Therefore, in urban roads, the broadcast methods are more challenging and broadcasts at intersections are necessary for data reachability.…”

Section: Introductionmentioning

confidence: 99%

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Map Aware Dual-Mode Geocast Routing in VANETs

Amjad

Song

2015

The 10th International Conference on Future Internet

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Geocast is a communication technique to disseminate information in specific geographic regions instead of node addresses. Geocast routing in VANETs have become an area of interest for researchers. Traffic congestion, accidents and local hazards are examples of use cases of information sharing in VANETs. As geocast is an important part of ITS (intelligent transport system), many geocast routing protocols have been proposed in the past. Yet, geocast region selection techniques for VANET routing have not been studied in detail so far. In this paper we propose a map aware geocast routing protocol for information dissemination in VANETs. The target regions are selected by constructing a probability tree and information is disseminated along the branches of tree. Vehicles use two different packet forwarding modes based on their direction towards the hazardous road. Packets are forwarded towards the target regions by selecting the fastest neighbor vehicles. Moreover, packets broadcasted from the vehicles at intersections are given priority to disseminate information on all roads across the intersection. We evaluate our approach through extensive and realistic simulations and results show that our geocast routing protocol shows better delivery ratio and improved end to end delay as compared to existing method.

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Section: Introductionmentioning

confidence: 99%

“…Packets are flooded toward GR through forwarding zone. In [4][5][6][7] authors have proposed many geocast routing protocols to disseminate information. However, these protocols select the GR as a circular or rectangular region.…”

Section: Introductionmentioning

confidence: 99%

Map Aware Dual-Mode Geocast Routing in VANETs

Amjad

Song

2015

The 10th International Conference on Future Internet

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“…And more number of vehicles that can be seen directly by source vehicle when source vehicle reaches at intersections. Therefore, according to this protocol opportunity for sending data at intersections should not be missed [15] as shown in figure 8(b).…”

Section: Figure 8: Broadcasts In Urban Environmentmentioning

confidence: 99%

“…Before this protocol, no one has taken into account the urban areas for suppression mechanism. After looking at deep inside it came out that most of existing broadcast suppression methods do not work in urban areas because in urban areas there are several number of intersections and buildings available and buildings can block direct communication of vehicles whether they are in transmission range of each other [15] as shown in figure 8(a).…”

Section: 5adaptive Delay-based Geocast Protocol In Urban Vanetmentioning

confidence: 99%

“…In order to address the problems in urban scenarios, this protocol increases the opportunity of retransmissions at intersections, by assigning preferential delay values at intersections. Delay values are calculated by the receivers themselves according to their distance from source node and according to their current location [15] (i.e. whether they are at intersections or not) as shown in figure 9.…”

Section: Working Of Ugadmentioning

confidence: 99%

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A Survey on Data Dissemination Protocols used in VANETs

Kaur¹,

Singh²

2015

IJCA

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Vehicular Adhoc Network (VANET) is a form of Mobile Adhoc Network (MANET) in which vehicle nodes act as router as well as host for propagating information among nearby vehicles and nearby fixed road side equipments which improves the efficiency and quality of driving in terms of safety, time and speed. In VANETs, it is necessary to route information efficiently from source to destination in order to avoid collisions, accidents and traffic jams etc. In this paper, we have reviewed various data dissemination protocols which define the way to transfer information in highway and urban scenarios with minimum propagation delay, redundancy and acknowledgments give the assurance of message has reached its destination successfully.

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An Optimized Speed Adaptive Beacon Broadcast Approach for Information Dissemination in Vehicular Ad hoc Networks

Kad

Banga²

2020

Communication Software and Networks

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Adaptive delay-based geocast protocol for data dissemination in urban VANET

Cited by 24 publications

References 7 publications

Map Aware Dual-Mode Geocast Routing in VANETs

Map Aware Dual-Mode Geocast Routing in VANETs

A Survey on Data Dissemination Protocols used in VANETs

An Optimized Speed Adaptive Beacon Broadcast Approach for Information Dissemination in Vehicular Ad hoc Networks

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