Measurement-based V2V propagation modeling in highway, suburban, and urban environments

IF 5.8 2区 计算机科学 Q1 TELECOMMUNICATIONS Vehicular Communications Pub Date : 2024-05-10 DOI:10.1016/j.vehcom.2024.100791
Zeynep Hasırcı Tuğcu , Kenan Kuzulugil , İsmail Hakkı Çavdar
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Abstract

Vehicle-to-vehicle (V2V) communication is one of the promising communication applications designed to optimize traffic conditions and has played a crucial role in the improvement of intelligent transportation technologies. Since there is still some uncertainty regarding generalized models that provide a more accurate representation of propagation environments, the existing literature emphasizes the need for additional experimental studies in various countries and propagation environments. This study aims to investigate the low-density and high-density characteristics of V2V channels for highway, suburban, and urban propagation environments in Türkiye. Thus, first, channel measurements were conducted for all propagation scenarios. Then, after the estimation of path loss parameters, the best-fitted path loss model was determined for each propagation scenario by comparing log-distance, two-ray, and log-ray models. It was observed that the log-ray model offered remarkably better performance than the two-ray model, especially in the majority of scenarios with two-ray characteristics. In addition, small-scale modeling and shadowing were also examined, and the outcomes were compared to relevant literature. Last, generalized path loss models were developed for six propagation scenarios and compared with previous studies. Providing additional experimental data on the impact of traffic and road environments that vary across countries on the V2V channel, this study not only validated and compared existing propagation models but also improved the representing accuracy and generalizability of the newly proposed propagation models. Here, all findings were presented in detail to support the motivation of the research.

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高速公路、郊区和城市环境中基于测量的 V2V 传播建模
车对车(V2V)通信是旨在优化交通状况的前景广阔的通信应用之一,在改进智能交通技术方面发挥着至关重要的作用。由于能更准确地反映传播环境的通用模型仍存在一些不确定性,现有文献强调需要在不同国家和传播环境中开展更多实验研究。本研究旨在调查图尔基耶高速公路、郊区和城市传播环境中 V2V 信道的低密度和高密度特性。因此,首先对所有传播场景进行了信道测量。然后,在估算路径损耗参数后,通过比较对数距离模型、双射线模型和对数射线模型,为每种传播场景确定最佳拟合路径损耗模型。结果表明,对数射线模型的性能明显优于双射线模型,尤其是在大多数具有双射线特性的情况下。此外,还研究了小尺度建模和阴影问题,并将结果与相关文献进行了比较。最后,针对六种传播情况建立了广义路径损耗模型,并与之前的研究进行了比较。这项研究提供了关于不同国家的交通和道路环境对 V2V 信道影响的额外实验数据,不仅验证和比较了现有的传播模型,还提高了新提出的传播模型的表示精度和通用性。在此,我们详细介绍了所有研究结果,以支持研究的动机。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Vehicular Communications
Vehicular Communications Engineering-Electrical and Electronic Engineering
CiteScore
12.70
自引率
10.40%
发文量
88
审稿时长
62 days
期刊介绍: Vehicular communications is a growing area of communications between vehicles and including roadside communication infrastructure. Advances in wireless communications are making possible sharing of information through real time communications between vehicles and infrastructure. This has led to applications to increase safety of vehicles and communication between passengers and the Internet. Standardization efforts on vehicular communication are also underway to make vehicular transportation safer, greener and easier. The aim of the journal is to publish high quality peer–reviewed papers in the area of vehicular communications. The scope encompasses all types of communications involving vehicles, including vehicle–to–vehicle and vehicle–to–infrastructure. The scope includes (but not limited to) the following topics related to vehicular communications: Vehicle to vehicle and vehicle to infrastructure communications Channel modelling, modulating and coding Congestion Control and scalability issues Protocol design, testing and verification Routing in vehicular networks Security issues and countermeasures Deployment and field testing Reducing energy consumption and enhancing safety of vehicles Wireless in–car networks Data collection and dissemination methods Mobility and handover issues Safety and driver assistance applications UAV Underwater communications Autonomous cooperative driving Social networks Internet of vehicles Standardization of protocols.
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