NDLI: PAPR and OOBP of OFDM and their improvement by using self cancellation codings

Content Provider	IEEE Xplore Digital Library
Author	Alaraimi, A.S. Hashimoto, T.
Copyright Year	2011
Description	Author affiliation: Dept. of Frequency Planning, Ministry of Information, P. O. Box: 600, Postal Code: 100, Muscat, Oman (Alaraimi, A.S.) \|\| Dept. of Electronics Eng., University of Electro-Communications, 1-5-1 Chofugaoka, Chofushi, Tokyo 182-8585, Japan (Hashimoto, T.)
Abstract	This paper presents a theoretical characterization of nonlinear distortion effects in orthogonal frequency division multiplexing (OFDM) using polynomial cancellation coding (PCC) and symmetric cancellation coding (SCC). First, we clarify the shape of the transmitted signal for the PCC-OFDM and SCC-OFDM. Then, we study the effectiveness of both schemes to reduce the high Peak-to-Average-Power Ratio (PAPR) compared to the normal OFDM theoretically and by simulation. We first derive the cumulative distribution function (CDF) of PCC-OFDM and SCC-OFDM. Then, for the same bit rate, we compare the performance of the two schemes with the normal OFDM. We show the effect of clipping on the two schemes under additive white Gaussian noise channel and frequency selective Rayleigh fading channel. Also, we study the improvement of out-of-band power (OOBP) by SCC-OFDM. Our results show that the SCC-OFDM has less PAPR than the normal OFDM and far less than PCC-OFDM. Also, we show that, clipping destroys the performance of PCC-OFDM compared to the normal OFDM and SCC-OFDM. Next, it is shown that the spectral roll-off of OFDM signals can be improved by SCC and the resultant OOB power is much reduced.
Starting Page	1
Ending Page	5
File Size	161567
Page Count	5
File Format	PDF
ISBN	9781457717864
ISSN	18825621
e-ISBN	9782908849257
e-ISBN	9782908849264
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-03
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	National Institute of Inform
Subject Keyword	Fading Bit error rate Bit rate Peak to average power ratio Encoding Distribution functions
Content Type	Text
Resource Type	Article

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