A Review on IEEE 802.11p for Intelligent Transportation Systems

Arena, Fabio; Pau, Giovanni; Severino, Alessandro

doi:10.3390/jsan9020022

Cited by 166 publications

(79 citation statements)

References 61 publications

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“…Two of these protocols, perhaps the most relevant in this area are: 6LoWPAN and IEEE 802.11p. In [ 28 , 29 ] the authors talk about the use of the 6LoWPAN and IEEE 802.11p protocols, respectively, in ITS applications.…”

Section: Data Analysis and Resultsmentioning

confidence: 99%

LoRa-Based Traffic Flow Detection for Smart-Road

Asiain¹,

Antolín²

2021

Sensors

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This paper presents a wireless traffic flow detection system, mainly focused on conditions in which the traffic flow is slow or stopped, which increases the risk of highway accidents. To achieve this goal, a Low Power Wide Area Network (LPWAN) based on LoRa called Short LoRa has been developed. This LoRa sub-network complies with the European Telecommunications Standards Institute (ETSI) harmonized standard for its compatibility in Europe countries. In addition, the development of the devices has allowed them to also work on a LoRaWAN network. The introduced development has been compared to a reference system mounted with laser barriers that provided a high accurate comparison. Field tests of the system have been carried out and the data obtained in the measurement has been analyzed with two different methods, and both of them were valid for the application. The results can determine vehicle speed with adequate precision at low speeds. The attenuating behavior of the communication signal is also analyzed through the Radio Signal Strength Indicator (RSSI). The relationship between vehicle speed, gate distances and RSSI attenuation has been studied. The system is proven to have efficient results in detecting traffic flow under the conditions for which it has been developed.

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Section: Data Analysis and Resultsmentioning

confidence: 99%

LoRa-Based Traffic Flow Detection for Smart-Road

Asiain¹,

Antolín²

2021

Sensors

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“…The correct operation of these infrastructures is strongly related to automation and centralization, affecting the involved players on a micro-level (drivers) and a macro-level (fleet) [9]. Smart Roads are fundamental in the development of an intelligent ecosystem that will guarantee optimal automation processes, in symbiosis with two other essential principles/technologies: IoT (Internet of Things) and IoE (Internet of Everything) [23]: the first represents the capability of sharing data between devices; the second introduces the possibility to create new scenarios, starting from casual data collected after user behavior, tailoring the overall experience to fit specific interventions [24][25][26].…”

Section: Discussionmentioning

confidence: 99%

Smart Roads: An Overview of What Future Mobility Will Look Like

et al. 2020

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Transport engineering has recently undergone several significant changes and innovations, one of which is the appearance and spread of autonomous vehicles; with this technology becoming more common and ordinary by the day, it is now necessary to implement some systems and contexts to facilitate autonomous vehicle operations. Consequently, a different perspective is now arising when dealing with road infrastructures, aiming to simplify and improve efficiency and maintenance of the existing roads, increase the life cycle of newly built ones, and minimize the economic and financial impact at the same time. Roadway pavements are one of the primary factors affecting vehicle operations; over time, this distinctive aspect has gone through various mechanical and physical changes due to the adoption of new materials or design methods. Consequently, to the spread of autonomous vehicles, scientific research has begun to study and develop systems to make road pavements and platforms not exclusively aimed at bearing loads, but rather at considering them as a means of communication and information exchange, if not even as a source of energy. This new approach introduces the so-called “Smart Roads,” i.e., road infrastructures capable of communicating with vehicles and self-monitoring fundamental perspectives concerning driverless vehicles and the roadway platform life cycle. This paper examines the characteristics of Smart Roads, considering their broad field of application and their potential advantages and drawbacks. This paper also pursues the objective of describing the global vision, the possible future direction of these innovations concerning the automotive and transport industries, and a particular focus on infrastructures and roadways.

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“…Currently, we are investigating the adoption of the IEEE 802.11bd standard (an evolution of IEEE 802.11p) in our simulation environment, in order to study the impact on VaNetChain performance of having connections with better spectral efficiency, greater reliability and a wider range [66].…”

Section: Discussionmentioning

confidence: 99%

VaNetChain: A Framework for Trustworthy Exchanges of Information in VANETs Based on Blockchain and a Virtualization Layer

et al. 2020

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Vehicular ad hoc networks (VANETs) face challenges related to the reliability of the data exchanged and the unstability of the communication links. These shortcomings have hampered the development of the long-awaited applications that would turn roads into a smart environment. We present a framework to deploy such services, in which a virtualization layer ensures means to efficiently deliver messages between vehicles and roadside units (RSUs) and, on top of that, blockchain technology is used to enable features of data integrity, traceability, and reliability that cannot be furnished by existing consensus and reputation mechanisms. A simulation experiment is included to determine the optimal number of RSUs to be installed as supporting infrastructure in a city.

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A Review on IEEE 802.11p for Intelligent Transportation Systems

Cited by 166 publications

References 61 publications

LoRa-Based Traffic Flow Detection for Smart-Road

LoRa-Based Traffic Flow Detection for Smart-Road

Smart Roads: An Overview of What Future Mobility Will Look Like

VaNetChain: A Framework for Trustworthy Exchanges of Information in VANETs Based on Blockchain and a Virtualization Layer

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