N. Ueno, Masayuki Yoshinaga, T. Iwasaki, A. Shimizu
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Abstract
In this paper, we propose a diversity system for mobile reception of digital terrestrial television broadcasting to solve the problem which a performance of maximum ratio combining (MRC) might become worse than that of single reception. The problem could occur at a certain situation which an input signal level from an antenna is much lower than one another. To solve the problem, in our diversity system, we introduce a new measure for deciding if a diversity gain is big enough. We have developed a diversity LSI and evaluate the proposed method. The experimental result shows our method improves the performance, in the case when input signal levels are very different.
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