IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

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Wideband Receiver Design Using Frequency-Dependent Magnitude/Phase Mismatch
Chi-Hao Cheng
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ジャーナル フリー 早期公開

論文ID: 11.20140238

この記事には本公開記事があります。
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We propose a digital wideband receiver scheme covering multiple Nyquist zones by exploiting phase and magnitude mismatch in the conversion from real-valued signals to complex-valued signals. The digital wideband receiver is designed to detect uncooperative signals. The magnitude/phase mismatch due to an imperfect hybrid coupler is often considered undesirable and needs to be compensated. However, by exploiting the frequency-dependent magnitude/phase mismatch phenomenon, we can distinguish signals from different Nyquist zones. Simulation results demonstrate that, using carefully designed magnitude/phase mismatch, we can detect signals over multiple Nyquist zones. The proposed method can lead to a new wideband receiver design.
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