On the exposure to mobile phone radiation in trains

Ferrer, Jaime; Fernández-Seivane, Lucas; Hernando, Javier; Castan, Melissa; Garcia, Leticia; Vazquez, J Molina

doi:10.1063/1.1940120

Cited by 3 publications

(4 citation statements)

References 5 publications

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“…Concerning the whole-body average SAR, it is established in [6,12] that for single passenger using mobile in elevator will not be exceeded. This argument can also be established from theoretical approach of [14,15]. For the spatial 10-g SAR, while the use of dipole antenna shows that if it is placed close enough to the spherical phantom may results in SAR exceeding the basic restriction [18], we found out that even when used in a touch position, the SAR in a phantom produced by a commercial phone when used near the wall is very small [24].…”

Section: Rf Safety Guideline In Enclosed Enviromentsmentioning

confidence: 67%

“…Most researchers have preferred to use completely covered structures to simulate a worst-case condition [3,[12][13][14][15]. However, we have shown in [6] that a small wall at the top of the elevator does not affect the conservativeness of the results obtained.…”

Section: Effect Of Elevator Structurementioning

confidence: 93%

“…Researchers in [3,[13][14][15] used theoretical approach in their investigation. This method has advantages over the numerical investigation such as its simplicity and short time required to obtain solutions.…”

Section: Methods Of Investigation (Theory Vs Numerical)mentioning

confidence: 99%

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A review of mobile phone usage in enclosed areas and RF safety guideline

et al. 2009

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The use of mobile phones in metallic enclosed environments such as elevators, train cars and even airplanes has attract a lot of attention in recent years. In these environments, most of the radio frequency (RF) energy from mobile phones remains inside due to the lack of escape routes, resulting in possibility of the field levels exceeding limits described in the international RF safety guidelines. This has resulted in an anxiety on possible health effects of passengers in these environments. In this review paper, size of the passengers (child vs. adult human model), method of investigation (theory vs. numerical), passenger position, elevator structure etc., are briefly discussed to determine how they affect the RF exposure. We also discuss few experimental investigation related to this problem for the passenger using a mobile phone near a metallic wall. Our objective is to provide an understanding of the SAR characteristics of the mobile phone user in such environment and how these characteristics are affected by the aforementioned factors.

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Section: Rf Safety Guideline In Enclosed Enviromentsmentioning

confidence: 67%

Section: Effect Of Elevator Structurementioning

confidence: 93%

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A review of mobile phone usage in enclosed areas and RF safety guideline

et al. 2009

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“…On the other hand, there have been several attempts by researcher who do not agree with these reports to allay these fears. Several papers have been published on this concept to date [6]- [10].…”

Section: Introductionmentioning

confidence: 99%

Specific Absorption Rates of Anatomically Realistic Human Models Exposed to RF Electromagnetic Fields From Mobile Phones Used in Elevators

Simba

Hikage

Watanabe

et al. 2009

IEEE Trans. Microwave Theory Techn.

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Abstract-This paper presents a detailed numerical investigation to determine whether or not an increased specific absorption rate (SAR) in an adult using a mobile phone inside an elevator due to the multireflections of electromagnetic fields from the walls exceed the RF-exposure guidelines. A fully realistic heterogeneous human body model and an actual elevator size were employed. The nonuniform mesh finite-difference time-domain technique and a supercomputer were employed to obtain the SAR and other important parameters. The mobile phone was modeled as a

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Electromagnetic dosimetry for adult and child models within a car: multi-exposure scenarios

Harris

Sauleau

2011

Int. J. Microw. Wireless Technol.

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International audienceThis paper deals with the numerical dosimetry for adult and children models exposed to CW signals of several wireless communication systems (UMTS, WiMax, and Bluetooth) within a partly shielded environment represented by a realistic car model. More than 20 mono-and multi-source exposure scenarios are considered. Computational results demonstrate that, for all considered exposure scenarios, the specific absorption rate (SAR) is at least 40 times (whole-body average) and 10 times (local SAR) lower than the exposure limits fixed by the International Commission on Non-Ionizing Radiation Protection (ICNIRP). The whole-body average SAR values for children are found to be typically 1.1-1.3 times higher than those of adults. Under several exposure scenarios, the local SAR in the limbs of children models is 2-3 times higher than corresponding values in adult models. The power density distributions within the car have been also analyzed for one, two, and three simultaneously emitting devices. The results show that the homogeneity of the power density distribution increases with increasing number of simultaneously operating transmitters. These data suggest that the use of several wireless communication devices within a car leads to exposure levels that are several orders of magnitude below international exposure limits, even for the multi-exposure scenarios for both adult and children models

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On the exposure to mobile phone radiation in trains

Cited by 3 publications

References 5 publications

A review of mobile phone usage in enclosed areas and RF safety guideline

A review of mobile phone usage in enclosed areas and RF safety guideline

Specific Absorption Rates of Anatomically Realistic Human Models Exposed to RF Electromagnetic Fields From Mobile Phones Used in Elevators

Electromagnetic dosimetry for adult and child models within a car: multi-exposure scenarios

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