FFT accelerator
US9098449B2 · kind B2 · utility
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13References
24Claims
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Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Aug 4, 2015 |
| Priority date | — |
| Expiry date | Feb 6, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F17/142
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An FFT operation is performed by dividing n time-domain input points into a plurality of groups of m points, performing a plurality of constant-geometry butterfly operations on each of the groups of m points, and finally performing at least one in-place butterfly operation on the group of n points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.