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40

TSP
2008

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Clipping-Noise Guided Sign-Selection for PAR Reduction in OFDM Systems

13 years 11 months ago

The peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) systems can be reduced by using an optimal set of subcarrier signs. However, this sign se...

Luqing Wang, Chintha Tellambura

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31

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TSP
2008

94views more TSP 2008»

Cross-Entropy-Based Sign-Selection Algorithms for Peak-to-Average Power Ratio Reduction of OFDM Systems

13 years 11 months ago

Download www.ece.ualberta.ca

Sign-selection uses a set of subcarrier signs to reduce the peak-to-average power ratio (PAR) of orthogonal-frequency-division multiplexing (OFDM). However, the computational compl...

Luqing Wang, Chintha Tellambura

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35

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JCM
2007

129views more JCM 2007»

Evolutionary Approach for Efficient Resource Allocation in Multi-User OFDM Systems

13 years 11 months ago

Download www.academypublisher.com

– Orthogonal Frequency Division Multiplexing is a promising technology for high data rate transmission in wideband wireless systems for achieving high downlink capabilities in th...

Yenumula B. Reddy, Nandigam Gajendar

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25

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JSAC
2006

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Multicarrier multiple access is sum-rate optimal for block transmissions over circulant ISI channels

13 years 11 months ago

Download ir.lib.hiroshima-u.ac.jp

Abstract--Multicarrier multiple access with channel knowledge and prescribed power at the transmitters is shown to maximize the sum-rate for circulant intersymbol-interference (ISI...

Shuichi Ohno, Georgios B. Giannakis, Zhi-Quan Luo

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