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Conference object . 2009
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http://dx.doi.org/10.1109/VETE...
Conference object . 2009
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https://doi.org/10.1109/vetecs...
Article . 2009 . Peer-reviewed
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Novel Predistortion Algorithm for OFDMA

descriptionPublicationkeyboard_double_arrow_right Article , Conference object , Other literature type 01 Apr 2009 United Kingdom, Turkey Publisher:IEEEJournal:VTC Spring 2009 - IEEE 69th Vehicular Technology ConferenceFunded by:EC | WIMAGIC
Authors: Saqib Ali; Garik Markarian; Erdal Arikan;

doi: 10.1109/vetecs.2009.5073716

handle: 11693/28738

Novel Predistortion Algorithm for OFDMA

Abstract

RF amplifier in a wireless communication system is usually non-linear in nature. If such an amplifier is used in OFDMA based systems, it will cause serious degradation. This degradation will be both in terms of the reduction in BER and the generation of out of band noise. In this paper we have worked on the linearization method of the amplifier. This work is on a hybrid methodology, in which estimation of the model is performed in frequency domain and compensation is performed in time domain. The downlink preamble of the IEEE802.16e system is used here for the estimation purpose. The results for the suppression of spectra are shown at the end.

Countries
United Kingdom, Turkey
Related Organizations
Keywords

Mobile computing, Power amplifiers, 802.16em 802.16m, Cellular telephone systems, High power amplifier, Non-linearity, Communication systems, 620, Frequency division multiple access, OFDMA, WuMAX, Photodegradation, Global system for mobile communications, Frequency estimation

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    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.
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    influence
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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
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