Method and apparatus for a DFT/IDFT engine supporting multiple X-DSL protocols
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United States of America Patent
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Apr 11, 2006
Grant Date -
N/A
app pub date -
Oct 26, 2000
filing date -
Oct 26, 1999
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Abstract
A Fourier transform processor utilizing discrete circuits each of which is configurable for processing a wide range of sample sizes. A single pipeline supports multiplexed bi-directional transformations between for example the time and frequency domains. In an embodiment of the invention the Fourier Transform processor may be implemented as part of a digital signal processor (DSP). In this embodiment the DSP may implement both the discrete Fourier transform (DFT) and inverse discrete Fourier transform (IDFT) across a wide range of sample sizes and X-DSL protocols. Multiple channels, each with varying ones of the X-DSL protocols can be handled in the same session.
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