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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.
|Number of pages||5|
|Publication status||Published - 2 Sep 2019|
|Event||27th European Signal Processing Conference - A Coruna, Spain|
Duration: 2 Sep 2019 → 6 Sep 2019
|Conference||27th European Signal Processing Conference|
|Abbreviated title||EUSIPCO 2019|
|Period||2/09/19 → 6/09/19|
- TV white space
- field programmable gate array
- fast fourier transform
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1/02/16 → 31/01/20