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Author(s) :
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Abstract :
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Digital signal processing techniques for compensating the IQ-imbalances in quadrature receivers are paving the path towards software-configurable-radio-receivers. Unsupervised signal processing algorithms operating at the baseband have been developed to deal with these impairments. This paper deals with an efficient FPGA implementation of an adaptive IQ-imbalance corrector using reduced range multipliers. Use of reduced-range multipliers result in 40% reduction in area and power consumption without a compromise in performance when compared with an efficiently designed general purpose multiplier approach.
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