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Power Estimation of Pipeline FFT ProcessorsKeywords: Pipeline FFT processor , power analysis , utilization rate , clock-gating Abstract: Pipeline FFT processors are used in mobile communication systems and in particular in OFDM-based systems. This paper presents a method for power analysis of pipeline FFT processors. This method applies to various architectures with different radices. It also presents a method for mapping utilization rate onto clock-gating, which results in efficient power consumption.
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