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Joint reduction of peak-to-average power ratio and out-of-band power based on subcarrier weighting in OFDM systems

Considering the conflict of PAPR and OBP reductions in OFDM systems,a new method based on subcarrier weighting was proposed for the joint reduction.The symbols on subcarriers were multiplied by optimal weighting vector to reduce PAPR and OBP jointly,and an improved GA was used to calculate the optim...

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Hlavní autoři: Qing LI, Han-ying HU
Médium: Artigo
Jazyk:Chinês
Vydáno: Editorial Department of Journal on Communications 2012-06-01
Edice:Tongxin xuebao
Témata:
OFDM
joint reduction
subcarrier weighting
genetic algorithm
PAPR
out-of-band power
On-line přístup:http://www.joconline.com.cn/zh/article/doi/1000-436X(2012)06-0150-07/
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