IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Free space link budget estimation scheme for ultra wideband impulse radio with imperfect antennas
Sathaporn PromwongJun-ichi Takada
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JOURNALS FREE ACCESS

2004 Volume 1 Issue 7 Pages 188-192

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Abstract

The ultra wideband (UWB) radio has been a promising technology for the short range wireless systems. The frequency-dependent behavior of the antennas are not negligible in UWB systems, especially in the impulse radio (IR).
This letter presents the extension of the Friis' transmission formula for the link budget estimation of UWB radio, considering the transmit signal waveform and the imperfect antennas. The results presented here give the upper bound of the transmission gain, irrespective of the waveform distortion due to the frequency response of the antenna.

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© 2004 by The Institute of Electronics, Information and Communication Engineers
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