Dynamic Loading of Parallel Channels in OFDM System Based on Reverse Link

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60162694%3AG43__%2F11%3A00449349" target="_blank" >RIV/60162694:G43__/11:00449349 - isvavai.cz</a>
Result on the web
<a href="http://vavtest.unob.cz/registr" target="_blank" >http://vavtest.unob.cz/registr</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Dynamic Loading of Parallel Channels in OFDM System Based on Reverse Link
Original language description
The article deals with the optimization of OFDM systems based on the dynamic loading of parallel channels. The main advantage of the dynamic loading is achieving better performance with less energy consumption. The article provides an analysis of the implementation possibility in frequency selective, slowly varying channels with coherence time several times longer than the symbol duration. In simulations, we used computation of the water-filling for the dynamic margin adaptive (DMA) loading. The loadingwith discrete information units is based on the Levin-Campello efficientizing algorithm followed by the B-tightening algorithm. The article investigates possibilities a reverse link from a receiver to a transmitter providing channel state information which is a crucial part of the loading algorithm.
Czech name
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Czech description
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
ICMT´11 - International Conference on Military Technologies 2011
ISBN
978-80-7231-787-5
ISSN
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e-ISSN
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Number of pages
7
Pages from-to
643-649
Publisher name
University of Defence
Place of publication
Brno
Event location
Brno
Event date
Jan 1, 2011
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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