The dependence of electromagnetic energy absorption upon human-head modeling at 1800 MHz

Meier, K.; Hombach, V.; Kästle, Ralf; Tay, R.; Kuster, Niels

doi:10.1109/22.644237

Cited by 75 publications

(34 citation statements)

References 9 publications

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“…Similar results were derived with the same method in [19]. Moreover, in [20,21] the use of different configurations of the human head coupled to a dipole antenna, pointed out that the average spatial peak SAR values are slightly dependent on the shape, size or whether the phantom is homogeneous or not. The homogeneous representation of the human phantom is proposed in these studies, as it reduces the number of tests (due to the symmetry of the antenna that is observed at the direction parallel to the surface), without simultaneously overestimating the average spatial peak SAR values.…”

Section: Introductionsupporting

confidence: 68%

Prediction of the Sar Level Induced in a Dielectric Sphere by a Thin Wire Dipole Antenna

Kouveliotis¹,

Capsalis²

2008

PIER

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Abstract-The interaction between a dipole antenna, representing a simplified model of a mobile terminal, and a homogeneous spherical model of the human head is examined. The Finite Difference Time Domain (FDTD) method is utilized, to calculate the either peak or average value of the Specific Absorption Rate (SAR), corresponding to different distances between antenna and phantom. The variation of the SAR with the distance between the mobile antenna and the human phantom has gained significant attention in the recent literature and is investigated here. An attempt to correlate the computed SAR values with the basic antenna characteristics, such as the standing wave ratio (SWR), reveals that a precise estimation of the level of the SAR can be achieved regarding data acquired from the mobile terminal.

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Section: Introductionsupporting

confidence: 68%

Prediction of the Sar Level Induced in a Dielectric Sphere by a Thin Wire Dipole Antenna

Kouveliotis¹,

Capsalis²

2008

PIER

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“…Interaction between electromagnetic fields (EMF) and a human body has been of interest to the scientific community for a long time [1][2][3][4][5], and gained a tremendous attention after the introduction of cellular phones [6,7]. In a case of mobile phones, of the main concern was the interaction between terminal antennas and a human head [8,9].…”

Section: Introductionmentioning

confidence: 99%

Em Energy Absorption in the Human Body Tissues Due to Uwb Antennas

Klemm¹,

Troester²

2006

PIER

110

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Abstract-This paper presents electromagnetic energy absorption in the homogeneous and layered human body models due to body-worn UWB antennas, at frequencies of 3, 6 and 8 GHz. Typical small planar UWB antennas are used in this study: printed UWB disc monopole and UWB slot antenna. Distances of 2, 5 and 10 mm (reactive near-field region) between antennas and human body were chosen, approximating realistic scenarios of operation in Wireless Body Area Networks. To approximate different parts of the human body, or body variations among different users, we compare results obtained for the planar homogeneous (muscle) model with those for three-layer body models (skin, fat and muscle), with different thicknesses of the skin (0.5-2 mm) and fat (1-9 mm) tissue. For these body models we investigate the electromagnetic energy absorption mechanism by examining the peak 1-g SAR and peak SAR (without mass averaging). Based on our results we present and discuss new finding concerning the general electromagnetic energy absorption mechanism in human tissues under reactive near-fields exposure conditions.

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“…The FDTD, code including the PML absorbing boundary conditions, has been validated with results by Meier [32]. Figure 4 shows the SAR as a function of distance into a 3 layered sphere excited by a 0.45 dipole at 1.8GHz.…”

Section: Modelling the Spectaclesmentioning

confidence: 99%

Applications of a genetic algorithm for identification of maxima in specific absorption rates in the human eye close to perfectly conducting spectacles

Edwards

Whittow

2005

IEE Proceedings - Science, Measurement and Technology

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The dependence of electromagnetic energy absorption upon human-head modeling at 1800 MHz

Cited by 75 publications

References 9 publications

Prediction of the Sar Level Induced in a Dielectric Sphere by a Thin Wire Dipole Antenna

Prediction of the Sar Level Induced in a Dielectric Sphere by a Thin Wire Dipole Antenna

Em Energy Absorption in the Human Body Tissues Due to Uwb Antennas

Applications of a genetic algorithm for identification of maxima in specific absorption rates in the human eye close to perfectly conducting spectacles

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