SCIENCE CHINA Information Sciences, Volume 61 , Issue 2 : 029301(2018) https://doi.org/10.1007/s11432-017-9132-x

## A novel word length optimization method for radix-2$^k$ fixed-point FFT

• AcceptedMay 18, 2017
• PublishedSep 13, 2017
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### Acknowledgment

This work was supported by Chang Jiang Scholars Programme (Grant No. T2012122), and Hundred Leading Talent Project of Beijing Science and Technology (Grant No. Z141101001514005).

Appendixes A–C.

### References

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• Table 1   Wordlength optimization of a 16384-point fixed-point FFT
 Schemes ${b_0}$ ${b_1}$ ${b_2}$ ${b_3}$ ${b_4}$ ${b_5}$ ${b_6}$ ${b_7}$ ${b_8}$ ${b_9}$ ${b_{10}}$ ${b_{11}}$ ${b_{12}}$ ${b_{13}}$ ${b_{14}}$ Memory (bit) Regular 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 786432 Proposed 16 17 18 18 19 20 21 21 22 23 24 25 26 27 27 581004

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