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High performance FFT on multicore processors

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7 Author(s)
Barhen, J. ; Center for Eng. Sci. Adv. Res., Oak Ridge Nat. Lab. Oak Ridge, Oak Ridge, TN, USA ; Kotas, C. ; Humble, T.S. ; Mitra, P.
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Importance of achieving high performance Fourier transforms for Cognitive Radio applications can not be over-emphasized. This includes signal detection in the presence of noise power uncertainty, multi-resolution spectrum sensing, minimization of subcarriers' side lobes in OFDM modulators, multi-stream processing, or spectrum loading, for example. With the emergence of advanced multicore processors, there is a remarkable opportunity to develop novel, massively parallel implementations of the FFT. This paper reviews recent advances in the area, and presents results for three classes of devices: the IBM Cell multi-SIMD processor, the Nvidia Tesla SIMT processor, and the EnLight digital optical core device.

Published in:
Cognitive Radio Oriented Wireless Networks & Communications (CROWNCOM), 2010 Proceedings of the Fifth International Conference on

Date of Conference: 9-11 June 2010

Page(s):
1 - 6
E-ISBN :
978-1-4244-5886-8
Print ISBN:
978-1-4244-5885-1
INSPEC Accession Number:
11530581
Conference Location :
Cannes
Product Type:
Conference Publications

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