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A low-power 64-point FFT/IFFT architecture for wireless broadband communication

A low-power 64-point FFT/IFFT architecture for wireless broadband communication
A low-power 64-point FFT/IFFT architecture for wireless broadband communication
A low power 64-point FFT/IFFT architecture is developed for the application in OFDM based wireless broadband communication system. The proposed architecture satisfies the specifications of IEEE 802.11a and ETSI Bran. The architecture requires 25% multiplication and 86% addition/subtraction operation compared to the conventional Cooley-Tukey approach. This leads to power and area saving as well. The architecture is capable to perform FFT and IFFT without changing the internal coefficients which makes it highly suitable for practical applications.
FFT/IFFT, OFDM, Low power
2A-2-1-2A-2-4
Maharatna, Koushik
93bef0a2-e011-4622-8c56-5447da4cd5dd
Grass, Eckhard
8936f993-c0cc-4507-af71-07e97d3cf9d1
Jagdhold, Ulrich
f6a767c0-c566-487b-9088-beb92b7df066
Maharatna, Koushik
93bef0a2-e011-4622-8c56-5447da4cd5dd
Grass, Eckhard
8936f993-c0cc-4507-af71-07e97d3cf9d1
Jagdhold, Ulrich
f6a767c0-c566-487b-9088-beb92b7df066

Maharatna, Koushik, Grass, Eckhard and Jagdhold, Ulrich (2000) A low-power 64-point FFT/IFFT architecture for wireless broadband communication. 7th International Conference on Mobile Multimedia Communications (MoMuC 2000), , Waseda, Tokyo, Japan. 23 - 26 Oct 2000. 2A-2-1-2A-2-4 .

Record type: Conference or Workshop Item (Paper)

Abstract

A low power 64-point FFT/IFFT architecture is developed for the application in OFDM based wireless broadband communication system. The proposed architecture satisfies the specifications of IEEE 802.11a and ETSI Bran. The architecture requires 25% multiplication and 86% addition/subtraction operation compared to the conventional Cooley-Tukey approach. This leads to power and area saving as well. The architecture is capable to perform FFT and IFFT without changing the internal coefficients which makes it highly suitable for practical applications.

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More information

Published date: October 2000
Venue - Dates: 7th International Conference on Mobile Multimedia Communications (MoMuC 2000), , Waseda, Tokyo, Japan, 2000-10-23 - 2000-10-26
Keywords: FFT/IFFT, OFDM, Low power
Organisations: Electronic & Software Systems

Identifiers

Local EPrints ID: 263559
URI: http://eprints.soton.ac.uk/id/eprint/263559
PURE UUID: c265050b-eb02-4dfc-b03e-5c06f0a95b10

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Date deposited: 19 Feb 2007
Last modified: 14 Mar 2024 07:34

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Contributors

Author: Koushik Maharatna
Author: Eckhard Grass
Author: Ulrich Jagdhold

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