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A Study on Performance Improvement to Use Dummy Elements on A Monopole Array-assisted Doppler Spread Compensator for A Digital Terrestrial Television Broadcasting Receiver
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 Title & Authors
A Study on Performance Improvement to Use Dummy Elements on A Monopole Array-assisted Doppler Spread Compensator for A Digital Terrestrial Television Broadcasting Receiver
Yu, Young-Cheol;
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 Abstract
This paper proposes an array antenna assisted Doppler spread compensator with dummy elements which are placed on either end of a monopole array for a digital terrestrial television broadcasting (DTTB) receiver. An array antenna assisted Doppler spread compensator, proposed previously, has a major drawback in performance degradation owing to mutual coupling effect among array elements. In order to solve the mutual coupling problem, dummy elements, placed on both sides of the monopole array mitigate performance degradation of a Doppler spread compensator arising from the mutual coupling among monopole array elements. Computer simulation results show that the dummy elements can reduce this performance degradation as well as expand the operating bandwidth of a Doppler spread compensator.
 Keywords
Doppler spread compensator;Mutual coupling;Digital Terrestrial TV;Monopole arrays;OFDM;
 Language
English
 Cited by
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