2015
DOI: 10.1007/s11277-015-2392-4
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A V2I-Based Real-Time Traffic Density Estimation System in Urban Scenarios

Abstract: Road traffic is experiencing a drastic increase in recent years, thereby increasing the every day traffic congestion problems, especially in metropolitan areas. Governments are making efforts to alleviate the increasing traffic pressure, being vehicular density one of the main metrics used for assessing the road traffic conditions. However, vehicle density is highly variable in time and space, making it difficult to be estimated accurately. Currently, most of the existing vehicle density estimation approaches,… Show more

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Cited by 36 publications
(15 citation statements)
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“…During the accident event, a vehicle interacting with the RSU on the specified channel at regular intervals, which is available on the roadside. An approximation of the instantaneous congestion scheme of the vehicle is also proposed in [8], based on data obtained by the RSU and vehicle. This scheme calculates the congestion level from the RSU messages, and RSU collects the beacon messages from both architecture, such as V2V and V2I.…”
Section: A Scheme For Congestion Mitigation and Detectionmentioning
confidence: 99%
See 1 more Smart Citation
“…During the accident event, a vehicle interacting with the RSU on the specified channel at regular intervals, which is available on the roadside. An approximation of the instantaneous congestion scheme of the vehicle is also proposed in [8], based on data obtained by the RSU and vehicle. This scheme calculates the congestion level from the RSU messages, and RSU collects the beacon messages from both architecture, such as V2V and V2I.…”
Section: A Scheme For Congestion Mitigation and Detectionmentioning
confidence: 99%
“…In VANET, vehicles are like mobile nodes. They collect and disseminate information about their speed, current position, destination [5], [6], [7], [8]. In some emergency conditions, such are health issues, road accidents, and congestion, the VANET architecture (ITS) ensure the driving safety, alternative routes, and timely report.…”
Section: Introductionmentioning
confidence: 99%
“…V2I has proved to be effective in monitoring and controlling traffic, which are important means for reducing travel times and fuel consumption. In order to monitor traffic congestions, Barrachina et al [3] developed a V2I-method for estimating traffic densities in a certain area with a 3.04 % accuracy, which is valuable information for traffic control applications. Optimized traffic flow was researched by Cai et al [4], who simulated adaptive traffic signals that operated on travel-time approximations computed from vehicle positions.…”
Section: State-of-the-artmentioning
confidence: 99%
“…V2I is an area of extensive research. Traditionally, research on V2I applications has mainly focused on acquiring statistical data from vehicles [3][4] [5]. These data are beneficial for traffic design, traffic control and road maintenance applications.…”
Section: Introductionmentioning
confidence: 99%
“…The proposed approach assumes that a roadside unit (RSU) is available at regular intervals (only one vehicle on the given channel communicates with the RSU) on highways. An estimate of the vehicle's instantaneous density scheme based on data collected by the vehicle and RSU was presented in Barrachina et al as well. It combines the density estimation by using the aggregate beacon messages received by each RSU for both V2I and V2V system.…”
Section: Related Workmentioning
confidence: 99%