Feedforward FFT Hardware Architectures Based on Rotator Allocation.

Mario Garrido,Shen-Jui Huang,Sau-Gee Chen

IEEE Transactions on Circuits and Systems I: Regular Papers（2018）

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摘要

In this paper, we present new feedforward FFT hardware architectures based on rotator allocation. The rotator allocation approach consists in distributing the rotations of the FFT in such a way that the number of edges in the FFT that need rotators and the complexity of the rotators are reduced. Radix-2 and radix-2k feedforward architectures based on rotator allocation are presented in this paper....

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关键词

Computer architecture,Hardware,Adders,Resource management,Indexes,Feedforward neural networks,Discrete Fourier transforms

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