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An efficient low power FFT implementation for multiband full-rate ultra-wideband (UWB) receivers

Sherratt, R. S. ORCID:, Cadenas , O., Goswami, N. and Makino, S. (2005) An efficient low power FFT implementation for multiband full-rate ultra-wideband (UWB) receivers. In: Bradbeer, R. S. and Shum, Y. H. (eds.) Proceedings of the Ninth International Symposium on Consumer Electronics 2005. IEEE International Symposium on Consumer Electronics. IEEE, New York, pp. 209-214. ISBN 0780389204

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This paper discusses the design, implementation and synthesis of an FFT module that has been specifically optimized for use in the OFDM based Multiband UWB system, although the work is generally applicable to many other OFDM based receiver systems. Previous work has detailed the requirements for the receiver FFT module within the Multiband UWB ODFM based system and this paper draws on those requirements coupled with modern digital architecture principles and low power design criteria to converge on our optimized solution. The FFT design obtained in this paper is also applicable for implementation of the transmitter IFFT module therefore only needing one FFT module for half-duplex operation. The results from this paper enable the baseband designers of the 200Mbit/sec variant of Multiband UWB systems (and indeed other OFDM based receivers) using System-on-Chip (SoC), FPGA and ASIC technology to create cost effective and low power solutions biased toward the competitive consumer electronics market.

Item Type:Book or Report Section
Divisions:Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:14454
Uncontrolled Keywords:UWB, FFT, IFFT, OFDM, FPGA
Additional Information:Proceedings Paper 9th International Symposium on Consumer Electronics (ISCE 2005) JUN 14-16, 2005 Taipa, MACAO

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