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Optimum Circuits for Bit Reversal | IEEE Journals & Magazine | IEEE Xplore

Optimum Circuits for Bit Reversal


Abstract:

This brief presents novel circuits for calculating bit reversal on a series of data. The circuits are simple and consist of buffers and multiplexers connected in series. ...Show More

Abstract:

This brief presents novel circuits for calculating bit reversal on a series of data. The circuits are simple and consist of buffers and multiplexers connected in series. The circuits are optimum in two senses: they use the minimum number of registers that are necessary for calculating the bit reversal and have minimum latency. This makes them very suitable for calculating the bit reversal of the output frequencies in hardware fast Fourier transform (FFT) architectures. This brief also proposes optimum solutions for reordering the output frequencies of the FFT when different common radices are used, including radix-2, radix-2k , radix-4, and radix-8.
Page(s): 657 - 661
Date of Publication: 13 October 2011

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