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Queensland University of Technology: QUT ePrints
Part of book or chapter of book . 2007
Full-Text: https://eprints.qut.edu.au/13762/1/13762.pdf
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https://eprints.qut.edu.au/137...
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https://doi.org/10.1109/icassp...
Article . 2007 . Peer-reviewed
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https://dx.doi.org/10.1109/ica...
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Complexity Adaptive OFDM Systems

descriptionPublicationkeyboard_double_arrow_right Article , Conference object , Part of book or chapter of book 01 Apr 2007 Australia Publisher:IEEEJournal:2007 IEEE International Conference on Acoustics, Speech and Signal Processing - ICASSP '07
Authors: Jian (Andrew) Zhang; Ying Chen 0016; Dhammika Jayalath;

doi: 10.1109/icassp.2007.366552

Complexity Adaptive OFDM Systems

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.

Country
Australia
Related Organizations
Keywords

fast Fourier transforms, OFDM modulation, broadband networks, diversity reception, adaptive modulation, matrix algebra

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 2
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    		 Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green