Enhancements for variable N-point streaming FFT/IFFT on REDEFINE, a runtime reconfigurable architecture

Author

Prashank, N. Thambi ; Prasadarao, M. ; Dutta, Avinaba ; Varadarajan, Keshavan ; Alle, Mythri ; Nandy, S.K. ; Narayan, Ranjani

Author_Institution

CAD Lab., Indian Inst. of Sci., Bangalore, India

fYear

2010

fDate

19-22 July 2010

Firstpage

178

Lastpage

184

Abstract

3GPP LongTerm Evolution (LTE) is targeted towards variable transmission bandwidths to improve universal mobile telecommunications. This requires support for variable point FFT/IFFT (128 through 4096). ASIC solutions, one for a particular FFT is not cost-effective, while DSP solutions are not performance-effective. We hence provide a solution on REDEFINE, a dynamically reconfigurable platform, by appropriately characterizing the compute elements. We make use of the idle resources of REDEFINE to improve throughput by supporting multiple channels of FFT/IFFT.

Keywords

3G mobile communication; fast Fourier transforms; reconfigurable architectures; 3GPP long term evolution; ASIC solutions; REDEFINE; fast Fourier transforms; idle resources; multiple channels; runtime reconfigurable architecture; universal mobile telecommunications; variable n-point streaming FFT-IFFT enhancements; variable transmission bandwidths; Application specific integrated circuits; Fabrics; Hardware; Mobile communication; Runtime; Throughput; Tiles; Fast Fourier Transform (FFT); Reconfigurable platform; Runtime Reconfiguration;

fLanguage

English

Publisher

ieee

Conference_Titel

Embedded Computer Systems (SAMOS), 2010 International Conference on

Conference_Location

Samos

Print_ISBN

978-1-4244-7936-8

Electronic_ISBN

978-1-4244-7938-2

Type

conf

DOI

10.1109/ICSAMOS.2010.5642067

Filename

5642067