Abstract

A crucial aspect concerning the intelligent transport systems is data transmission between vehicle and central control and information systems. Transportation needs a reliable system of data transfer based on GSM or WiFi networks. However, these networks employ a wide range of different frequencies which can be harmful to the health of drivers. The detrimental effect of electromagnetic radiation can negatively affect the process of transportation. This study determines the intensity of electric field levels (E) of the radiofrequency electromagnetic field (RF EMF) during the data transmission through the 3G, 4G and local WiFi networks, comparing them with the limit values. Conclusions: Our results showed a significantly higher level of the E-field intensity during 4G transmission in all places. The limit values were not exceeded. The lowest E-field values were found in local WiFi network.

Highlights

  • Intelligent transportation needs reliable data transfer between vehicle and control headquarters

  • The results showed the significant differences between the local WiFi network and the 3rd generation (3G) network at the place A (p

  • The significant differences were found between the local WiFi network and the 4th generation (4G) network at places A (p

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Summary

Introduction

Intelligent transportation needs reliable data transfer between vehicle and control headquarters. Data transfer is based on GSM or WiFi networks. These communication networks employ a variety of different frequencies which can have an adverse effect on biological systems including humans. The system had used a cellular principle for signal transmission, which divided the geographic territory into the same large parts (cells) Another system was the 3rd generation (3G) mobile network called Universal Mobile Telecommunication System (UMTS). The 4th generation (4G) was designed for broadband internet access, in the Europe known as the Long Term Evolution system (LTE) It operated at 800, 900, 1800 and 2600 MHz. Wireless Local Area Network (WLAN, known as WiFi) operating at 2400 MHz is very common for data transfer and local internet coverage. It allows users to have a wireless connection within the local area (among buildings, business center, etc.) [1,2,3,4]

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