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 can assist engineers pave the way in which with its definitive remedy of on-body antenna conception, layout and functions. It coverers either the state of the art in current structures including new advances resulting in scientific, own leisure, legislations enforcement, and armed forces 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 provides 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 tips from famous specialists, this quantity should be essential to all engineers excited by designing, checking out, and enhancing body-centric verbal exchange structures.
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Additional info for Antennas And Propagation for Body-Centric Wireless Communications
Body area networks can be used to interconnect the various components in a wearable computer system. This system may be supporting a body sensor network for health monitoring or drug release, for personal entertainment or information delivery, or for occupational support. While these systems may use wires for their interconnection, whether untethered or built into a smart fabric, there is now a trend towards wireless interconnection. An example of this is the cellphone Bluetooth headsets now widely available.
And H. P. Schwan, “Dielectric Properties of Tissues and Biological Materials: A Critical Review,” Critical Reviews in Biomedical Engineering, Vol. 17, No, 1, 1989, pp. 25–104. Duck, F. , Physical Properties of Tissue: A Comprehensive Reference Book, New York: Academic Press, Harcourt Brace Jovanovich, 1990. , Compilation of the Dielectric Properties of Body Tissues at RF and Microwave Frequencies, Brooks Air Force Technical Report, AL/OE-TR-1996-0037, 1996. , T. Y. A. Chan, and E. H. Grant, “Admittance Models for Open-Ended Coaxial Probes and Their Place in Dielectric Spectroscopy,” Physics in Medicine and Biology, Vol.
One of the major reasons for the rapid growth of the FDTD method is that it requires only O(N) computer complexity, while MoM and FEM need O(N2) computational storage, where N is the number of the unknowns. Wideband results, useful for UWB body-centric systems, can be obtained by performing a fast Fourier transform on the time-domain response, which is available with only one simulation. As with other numerical techniques, the FDTD method has a few weaknesses. First, it requires the entire computational domain to be meshed, and these cells must be small compared to the smallest wavelength, and smaller than the smallest feature in the model.