Capacity of Continuous-Space Electromagnetic Channels With Lossy Transceivers

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In this paper, the capacity of continuous-space electromagnetic channels is analyzed. We assume the regions confining the transceivers are filled with dielectric that is either lossy or lossless and show how the capacity is affected by the physical loss of the source region. Our analysis is based on calculation of exact power consumption in the presence of mutual coupling and accurate modeling of noise based on fluctuation-dissipation theorem. We also analytically derive the Q factor and show how the capacity is affected by the bandwidth constraint. Finally, we compare our work with the existing literature and analyze the maximum gain of spherical dielectric antennas in practical applications.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-03
Language
English
Article Type
Article
Keywords

ELECTRICALLY-SMALL ANTENNAS; COMMUNICATION-SYSTEMS; INFORMATION-THEORY; MIMO SYSTEMS; RADIATION Q; NEAR-FIELD; WIRELESS; FREEDOM; SUPERDIRECTIVITY; IMPEDANCE

Citation

IEEE TRANSACTIONS ON INFORMATION THEORY, v.64, no.3, pp.1977 - 1991

ISSN
0018-9448
DOI
10.1109/TIT.2017.2786674
URI
http://hdl.handle.net/10203/240705
Appears in Collection
EE-Journal Papers(저널논문)
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