Derives closed-form optimal LSE for IQI channels and corresponding precoder, with simulations showing 8 dB MSE improvement and 24% received power gain over benchmarks.
Schenk, RF Imperfections in High-Rate Wireless Systems: Impact and Digital Compensation
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Optimal Least-Squares Estimator and Precoder for Energy Beamforming over IQ-Impaired Channels
Derives closed-form optimal LSE for IQI channels and corresponding precoder, with simulations showing 8 dB MSE improvement and 24% received power gain over benchmarks.