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A Pipelined Algorithm and Area-Efficient Architecture for Serial Real-Valued FFT
  • Fang HongJi
Fang HongJi
Zhe Jiang University, Zhe Jiang University

Corresponding Author:[email protected]

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Abstract

In this brief, we present a novel pipelined architecture for real-valued fast Fourier transform (RFFT), which is dedicated to processing serial input data.
An optimized algorithm of the stage division for RFFT is proposed to achieve an area-efficient RFFT computing structure with full hardware utilization.
A single path butterfly (SBF) and a real rotator are merged into one processing element (PE) in each stage except the last stage to save latency and hardware resources.