By Peter S Hall, Yang Hao

Prepare for the tidal wave of "body centric" digital structures that might take cellular communications and computing to new heights! This first-of-its-kind e-book may also help engineers pave the best way with its definitive remedy of on-body antenna conception, layout and purposes. It coverers either the state of the art in current platforms including new advances resulting in scientific, own leisure, legislations enforcement, and army purposes now in improvement.

This state of the art source briefs engineers on key propagation matters after which dives into the nuts-and-bolts of antenna layout that can provide the products. It covers on-body conversation channels at microwave frequency and occasional frequency bands, in addition to extremely wideband structures for WPANs and WBANs. choked with hands-on counsel from famous specialists, this quantity may be quintessential to all engineers interested in designing, trying out, and bettering body-centric communique structures.

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Good agreement is seen. 20. The energy is found to travel along the human body surface. Attenuation and shadowing are apparent in later time steps, with the field being stronger at the source side of the body [75]. 3 Modified FDTD Techniques for UWB On-Body Channel Modeling Dispersive FDTD Method One of the most significant developments in the FDTD method is its capability of modeling frequency-dependent materials. The existing dispersive FDTD methods can be roughly categorized into three types: the differential equation-based method, the Z-transform method, and the discrete convolution method.

187–196. [28] Joines, W. , and R. J. Spiegel, “Resonance Absorption of Microwaves by the Human Skull,” IEEE Trans. on Biomed. , Vol. 21, No. 1, 1974, pp. 46–48. [29] Weil, C. , “Absorption Characteristics of Multilayered Sphere Models Exposed to UHF/Microwave Radiation,” IEEE Trans. on Biomed. , Vol. 22, No. 6, 1975, pp. 468–476. , “Electromagnetic Absorption in Multilayered Cylindrical Models of Man,” IEEE Trans. on Microwave Theory and Techniques, Vol. 27, No. 10, 1979, pp. 825–830. , and O. Hashimoto, “Effective Shielding Analysis for Three Layered Human Model,” IEEE Trans.

2 Voxel Phantoms Recently, progress in medical imaging technologies, such as MRI and X-ray computed tomography (CT), and large increases in computer power, have encouraged the development of precision-head and whole-body voxel models. Human-head models are usually used for the evaluation of EM dosimetry, as well as characteristics of antennas, when cellular phones are placed close to the head [35, 36]. In addition, the evaluation of SAR inside head models of children has been also proposed [37–39].

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