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A Two-stage approach to harmonic rejection mixing using blind interference cancelling

Authors
Publisher
IEEE Computer Society Press
Publication Date
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legacy-msw

Abstract

Current analog harmonic rejection mixers typically provide 30–40 dB of harmonic rejection, which is often not sufficient. We present a mixed analog-digital approach to harmonic rejection mixing that uses a digital interference canceler to reject the strongest interferer. Simulations indicate that, given a practical RF scenario, the digital canceler is able to improve the signal-to-interference ratio by 30–45 dB.

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