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Influence of the Antennas on the Ultra-Wideband Transmission

Abstract

Spectrum is presently one of the most valuable goods worldwide as the demand is permanently increasing and it can be traded only locally. Since the United States Federal Communications Commission (FCC) has opened the spectrum from to , that is, a bandwidth of , for unlicensed use with up to EIRP, numerous applications in communications and sensor areas are showing up. Like all wireless devices, these have an antenna as an integral part of the air interface. The antennas are modeled as linear time-invariant (LTI) systems with a transfer function. The measurement of the antenna's frequency-dependent directional transfer function is described. Quality measures for the antennas like the peak value of the transient response, its width and ringing, as well as the transient gain are discussed. The application of these quality measures is shown for measurements of different UWB antennas.

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Correspondence to Werner Sörgel.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Sörgel, W., Wiesbeck, W. Influence of the Antennas on the Ultra-Wideband Transmission. EURASIP J. Adv. Signal Process. 2005, 843268 (2005). https://doi.org/10.1155/ASP.2005.296

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  • DOI: https://doi.org/10.1155/ASP.2005.296

Keywords and phrases

  • ultra-wideband
  • ultra-wideband antennas
  • quality measures for UWB antennas
  • time-domain antenna characterization
  • transient radiation and reception