Peak-to-average power ratio reduction in OFDM systems using an adaptive differential evolution algorithm

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27240%2F11%3A86097101" target="_blank" >RIV/61989100:27240/11:86097101 - isvavai.cz</a>

Výsledek na webu

<a href="http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5949853" target="_blank" >http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5949853</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/CEC.2011.5949853" target="_blank" >10.1109/CEC.2011.5949853</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Peak-to-average power ratio reduction in OFDM systems using an adaptive differential evolution algorithm

Popis výsledku v původním jazyce

rthogonal Frequency Division Multiplexing (OFDM) has emerged as very popular wireless transmission technique in which digital data bits are transmitted at a high speed in a radio environment. But the high peak-to-average power ratio (PAPR) is the major setback for OFDM systems demanding expensive linear amplifiers with wide dynamic range. In this article, we introduce a low-complexity partial transmit sequence (PTS) technique for diminishing the PAPR of OFDM systems. The computational complexity of theexhaustive search technique for PTS increases exponentially with the number of sub-blocks present in an OFDM system. So we propose a modified Differential Evolution (DE) algorithm with novel mutation, crossover as well as parameter adaptation strategies(MDE-pBX) for a sub-optimal PTS for PAPR reduction of OFDM systems. MDE-pBX is utilized to search for the optimum phase weighting factors and extensive simulation studies have been conducted to show that MDE-pBX can achieve lower PAPR as

Název v anglickém jazyce

Peak-to-average power ratio reduction in OFDM systems using an adaptive differential evolution algorithm

Popis výsledku anglicky

rthogonal Frequency Division Multiplexing (OFDM) has emerged as very popular wireless transmission technique in which digital data bits are transmitted at a high speed in a radio environment. But the high peak-to-average power ratio (PAPR) is the major setback for OFDM systems demanding expensive linear amplifiers with wide dynamic range. In this article, we introduce a low-complexity partial transmit sequence (PTS) technique for diminishing the PAPR of OFDM systems. The computational complexity of theexhaustive search technique for PTS increases exponentially with the number of sub-blocks present in an OFDM system. So we propose a modified Differential Evolution (DE) algorithm with novel mutation, crossover as well as parameter adaptation strategies(MDE-pBX) for a sub-optimal PTS for PAPR reduction of OFDM systems. MDE-pBX is utilized to search for the optimum phase weighting factors and extensive simulation studies have been conducted to show that MDE-pBX can achieve lower PAPR as

Druh

D - Stať ve sborníku

CEP obor

IN - Informatika

OECD FORD obor

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Projekt

<a href="/cs/project/GA102%2F09%2F1494" target="_blank" >GA102/09/1494: Nové metody přenosu dat založené na turbo kódech</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2011

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

2011 IEEE Congress of Evolutionary Computation, CEC 2011

ISBN

978-1-4244-7834-7

ISSN

—

e-ISSN

—

Počet stran výsledku

9

Strana od-do

1941-1949

Název nakladatele

IEEE

Místo vydání

New York

Místo konání akce

New Orleans

Datum konání akce

5. 6. 2011

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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