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Complexity Adaptive OFDM Systems

Zhang, Jian, Chen, Ying, & Jayalath, Dhammika (2007) Complexity Adaptive OFDM Systems. In IEEE International Conference on Acoustics, Speech and Signal Processing, 2007 (ICASSP 2007), 15-20 April 2007, Honolulu, HI, USA.

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Abstract

One disadvantage with current OFDM systems is, the system complexity associated with FFT module, equaliser, etc. is almost fixed and varies little with information bit rate. In this paper, based on an innovative "layered" concept in FFT algorithms, we propose a novel OFDM system whose complexity is adaptive to the desired bit rate and system performance by exploiting transmitter diversity. Different diversity options in the transmitter and receiver are discussed, and verified in simulations.

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ID Code: 13762
Item Type: Conference Paper
Keywords: FFT, OFDM
DOI: 10.1109/ICASSP.2007.366552
ISBN: 1424414490
Subjects: Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > COMMUNICATIONS TECHNOLOGIES (100500) > Communications Technologies not elsewhere classified (100599)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 12 Jun 2008
Last Modified: 01 Mar 2012 00:02

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