Table 2 Parameters of the FNT

From: Coherent optical interconnects using Fermat number transform and hollow core fibre

q

Fq

N α = 2

N α = \(\sqrt{2}\)

3

28 + 1

16

32

4

216 + 1

32

64

5

232 + 1

64

128

6

264 + 1

128

256

  1. Here we provide some parameters of the FNT. Note that the moduli F5 and F6 introduce high computational bit widths, which are impractical for the DSP hardware implementation. In this paper, we choose F4 as the modulus of the transformation. Fq is the qth Fermat number; N is the transform length of the FNT; α is the radix of the FNT.
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