# Multi-Channel FFT Architectures Designed via Folding and Interleaving

Source: [Multi-Channel FFT Architectures Designed via Folding and Interleaving](<https://www.sota2.com/research/paper/68fa6de91e209131cea3ce21>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-26T00:46:11.149Z

Authors: Nanda K. Unnikrishnan, Keshab K. Parhi

Published: 2022-02-19T15:26:56.000Z

## Abstract

Computing the FFT of a single channel is well understood in the literature. However, computing the FFT of multiple channels in a systematic manner has not been fully addressed. This paper presents a framework to design a family of multi-channel FFT architectures using {\\em folding} and {\\em interleaving}. Three distinct multi-channel FFT architectures are presented in this paper. These architectures differ in the input and output preprocessing steps and are based on different folding sets, i.e., different orders of execution.

## Recorded benchmark results

A research result applies to its stated dataset, split, metric and evaluation configuration. Compare like-for-like settings, preserve the metric's unit and direction, and distinguish paper-reported results from independent reproduction. The best result recorded here is not a claim of exhaustive, current global coverage.

## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2202.09623>)

[PDF](<https://arxiv.org/pdf/2202.09623.pdf>)