International Journal of Wireless and Microwave Technologies (IJWMT)
IJWMT Vol. 5, No. 2, 18 Apr. 2015
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Probabilistic Constellation Extension Scheme for PAPR Reduction in OFDM Signals
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Author(s)
Manish K. Patidar
1,*
A. Mishra
1
R. Saxena
1
Index Terms
Active Constellation Extension (ACE), Approximate Gradient Project (AGP), Partial Transmit Sequence (PTS), Project onto convex set (POCS) and Selective Mapping (SLM)
Abstract
In this paper, a combinational method is proposed to mitigate the peak-to-average power ratio problem in orthogonal frequency division multiplexing signals. The proposed algorithm is an intelligent combination of the constellation extension and probabilistic techniques. It is shown that proposed technique achieves the significant reduction in peak-to-average power on maintaining sufficient bit error rate with a slight increase in computational complexity compared to conventional schemes.
Cite This Paper
Manish K. Patidar, A. Mishra, R. Saxena,"Probabilistic Constellation Extension Scheme for PAPR Reduction in OFDM Signals", IJWMT, vol.5, no.2, pp.12-21, 2015. DOI: 10.5815/ijwmt.2015.02.02
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