Wireless Personal Communications

, Volume 101, Issue 1, pp 239–249 | Cite as

Verification of Fresnel Zone Clearance for Line-of-sight Determination in 5.9 GHz Vehicle-to-Vehicle Communications

  • Jhihoon Joo
  • Hong-Jong Jeong
  • Dong Seog Han


The determination of the path clearance is one of the most important factors for channel propagation models because most of them classify their models into line-of-sight (LOS) and non-LOS (NLOS) environments. In particular, the path for vehicle-to-vehicle (V2V) communication is more easily obstructed owing to its characteristics such as low antenna heights and high mobility. In this paper, we verify the first Fresnel zone clearance, which is a widely employed method for the determination of path clearance in V2V scenarios. In the analytical model of the first Fresnel zone in V2V scenarios, the ground acts as an obstacle and thus induces NLOS environments for farther than a certain distance. In contrast, our measurement results reveal no additional loss due to the ground obstruction. Therefore, we conclude that the first Fresnel zone calculation is not applicable for determining the path clearance in V2V scenarios, which has significant impact on the accuracy of channel propagation modeling.


Path clearance determination Vehicle-to-vehicle (V2V) The first Fresnel zone Path loss modeling Measurement-based analysis 



This research was partially supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2016R1D1A3B03934420) and Korea Institute for Advancement of Technology (KIAT) grant funded by the Korea govenment (MOTIE) (No. P0000535, Multichannel telecommunications control unit and associated software).


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Electronics EngineeringKyungpook National UniversityDaeguKorea
  2. 2.Wayties Inc.SeoulKorea

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