International Journal of Antennas and Propagation / 2008 / Article / Tab 2 / Research Article
Anticipated Impact of Hand-Hold Position on the Electromagnetic Interaction of Different Antenna Types/Positions and a Human in Cellular Communications Table 2 Values of hand, HR-EFH, and SAM
material parameters (relative permittivity
,
electrical conductivity
, density
) used for simulations at 900, 1800, and 2025 MHz.
Hand Tissue 900 MHz 1800 MHz 2025 MHz
(kg/
)
(S/m)
(S/m)
(S/m)Hand skin 41.41 0.87 38.87 1.18 38.53 1.28 1100 Hand muscle 55.03 0.94 53.55 1.34 53.26 1.47 1041 Hand bone 12.45 0.14 11.78 0.28 11.64 0.31 1990 HR-EFH
Tissue
(S/m)
(S/m)
(S/m)
(kg/
)Air 1.000 0.00 1.00 0.000 1.00 0.000 1.16 Blood vessel 44.78 0.70 43.34 1.07 43.06 1.18 1050 Bone (ramus of mandible) 12.45 0.14 11.78 0.28 11.64 0.31 1990 Brain/gray matter 52.73 0.94 50.08 1.39 49.65 1.53 1039 Brain/white matter 38.89 0.59 37.01 0.91 36.70 1.01 1043 Cerebellum 49.44 1.26 46.11 1.71 45.62 1.84 1040 Cerebro Spinal Fluid (CSF) 68.64 2.41 67.20 2.92 66.87 3.09 1007 Ear (cartilage) 42.65 0.78 40.22 1.29 39.70 1.44 1100 Eye-cornea 55.24 1.39 52.77 1.86 52.34 2.00 1032 Eye-lens 46.57 0.79 45.35 1.15 45.10 1.26 1090 Eye-vitreous body 68.90 1.64 68.57 2.03 68.46 2.17 1009 Fat (average infiltrated) 11.33 0.11 11.02 0.19 10.95 0.22 916 Jaw bone (mandible) 12.45 0.14 11.78 0.28 11.64 0.31 1990 Mastoid cells (bones) 5.50 0.04 5.370 0.07 5.340 0.08 980 Midbrain (mesencephalon) 45.79 0.76 43.00 1.20 43.00 1.00 1039 Muscles 55.03 0.94 53.55 1.34 53.26 1.47 1041 Nasal cavity (mucous membrane) 46.08 0.84 43.85 1.23 43.48 1.35 1050 Parotid gland 59.68 1.04 58.14 1.50 57.81 1.65 1050 Skin 41.41 0.87 38.87 1.18 38.53 1.28 1100 Skull 16.62 0.24 15.56 0.43 15.35 0.49 1645 Spinal cord 32.53 0.57 30.87 0.84 30.60 0.92 1038 Spine 12.45 0.14 11.78 0.28 11.64 0.31 1990 Thalamus 45.79 0.76 43.00 1.20 43.00 1.00 1039 Tongue 55.27 0.94 53.57 1.37 53.23 1.51 1041 Ventricles (brain) 68.64 2.41 67.20 2.92 66.87 3.09 1007 SAM phantom material
(S/m)
(S/m)
(S/m)
(kg/
)SAM head shell 5.0 0.0016 5.0 0.0016 5.0 0.0016 1030 SAM head liquid 41.5 0.97 40.0 1.4 40.0 1.4 1030
