NDLI: Analysis of nonlinear companding schemes for papr reduction of SC-FDMA signals

Content Provider	IEEE Xplore Digital Library
Author	Enchang Sun Yanhua Sun Pengbo Si Ruizhe Yang Yanhua Zhang
Copyright Year	2011
Description	Author affiliation: School of Electronic Information and Control Engineering, Beijing University of Technology, China (Enchang Sun; Yanhua Sun; Pengbo Si; Ruizhe Yang; Yanhua Zhang)
Abstract	The 3rd generation partnership project (3GPP) long term evolution (LTE) standard uses orthogonal frequency division multiplexing access (OFDMA) in downlink and single carrier frequency division multiple access (SC-FDMA) scheme for the uplink transmissions, which utilizes single carrier modulation and frequency domain equalization. In this paper, we compared and analyzed the performance of the nonlinear companding schemes, i.e., Raised-Cosine-like scheme and power function scheme, to reduce the peak-to-average power ratio (PAPR) of SC-FDMA signals, and summarized the nonlinear features that the schemes should have. Both the nonlinear schemes could transform the original SC-FDMA signals into nonlinear-distributed. Moreover, the schemes can compress the large input signals, while maintaining the average power constant. Computer simulation results show that the PAPR reduction performance of the power function scheme is better than that of the Raised-Cosine-like scheme.
Starting Page	1
Ending Page	7
File Size	237684
Page Count	7
File Format	PDF
ISBN	9781467303460
e-ISBN	9781467303484
DOI	10.1109/GMC.2011.6103936
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency division multiaccess Discrete Fourier transforms Modulation Peak to average power ratio Time domain analysis Frequency domain analysis
Content Type	Text
Resource Type	Article

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