FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks

Vianney Anis, Jincheng Guo, Stephan Weiss, Louise H. Crockett

Research output: Contribution to conferencePaper

Abstract

This paper addresses an oversampled filter bank (OSFB) approach to up- and down-convert any or all of the 40 channels in the United Kingdom's TV white space (TVWS). We particularly consider the use of non-power-of-two fast Fourier transforms (FFTs), which provides a greater choice of design parameters over existing OSFB implementations. Using a field-programmable gate array (FPGA) software defined radio (SDR) platform, we compare two different 40-point FFT-based implementations of the system - one fully parallelised, one serialised- with an existing design using a radix-two 64-point FFT in terms of implementation cost and power consumption.

Conference

Conference27th European Signal Processing Conference
Abbreviated titleEUSIPCO
CountrySpain
CityA Coruna
Period2/09/196/09/19
Internet address

Fingerprint

Filter banks
Fast Fourier transforms
Field programmable gate arrays (FPGA)
Electric power utilization
Costs

Keywords

  • TV white space
  • field programmable gate array
  • fast fourier transform

Cite this

Anis, V., Guo, J., Weiss, S., & Crockett, L. H. (2019). FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks. Paper presented at 27th European Signal Processing Conference, A Coruna, Spain.
Anis, Vianney ; Guo, Jincheng ; Weiss, Stephan ; Crockett, Louise H. / FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks. Paper presented at 27th European Signal Processing Conference, A Coruna, Spain.5 p.
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keywords = "TV white space, field programmable gate array, fast fourier transform",
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note = "27th European Signal Processing Conference, EUSIPCO ; Conference date: 02-09-2019 Through 06-09-2019",
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Anis, V, Guo, J, Weiss, S & Crockett, LH 2019, 'FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks' Paper presented at 27th European Signal Processing Conference, A Coruna, Spain, 2/09/19 - 6/09/19, .

FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks. / Anis, Vianney; Guo, Jincheng; Weiss, Stephan; Crockett, Louise H.

2019. Paper presented at 27th European Signal Processing Conference, A Coruna, Spain.

Research output: Contribution to conferencePaper

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T1 - FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks

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AU - Weiss, Stephan

AU - Crockett, Louise H.

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AB - This paper addresses an oversampled filter bank (OSFB) approach to up- and down-convert any or all of the 40 channels in the United Kingdom's TV white space (TVWS). We particularly consider the use of non-power-of-two fast Fourier transforms (FFTs), which provides a greater choice of design parameters over existing OSFB implementations. Using a field-programmable gate array (FPGA) software defined radio (SDR) platform, we compare two different 40-point FFT-based implementations of the system - one fully parallelised, one serialised- with an existing design using a radix-two 64-point FFT in terms of implementation cost and power consumption.

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KW - fast fourier transform

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Anis V, Guo J, Weiss S, Crockett LH. FPGA implementation of a TVWS up- and down converter using non-power-of-two FFT modulated filter banks. 2019. Paper presented at 27th European Signal Processing Conference, A Coruna, Spain.