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http://dx.doi.org/10.4218/etrij.15.0114.1194

Reducing PAPR of SC-FDMA Signals through Simple Amplitude Predistortion  

Xia, Yujie (School of Physics and Electronics Information, Luoyang Normal University)
Ji, Jinwei (Research Institute of China Electronics Technology Group Corporation)
Publication Information
ETRI Journal / v.37, no.5, 2015 , pp. 922-928 More about this Journal
Abstract
A novel peak-to-average power ratio (PAPR) reduction method is proposed for single-carrier frequency-division multiple access (SC-FDMA) signals. The proposed method deliberately distorts the amplitude values of a few of the complex modulated symbols that cause peaks beyond a predetermined threshold in the samples of the output signal. The method then marks the location indices of the distorted symbols by using a pilot block at the transmitter without transmitting side information. At the receiver, the method is then able to recover the distorted amplitude values through the marked location indices. Computer simulation results show that when compared to conventional SC-FDMA signals, the proposed scheme can effectively reduce the PAPR of SC-FDMA signals with asymptotically consistent bit error rate (BER) performance.
Keywords
Peak-to-average power ratio; single-carrier frequency-division multiple access; amplitude predistortion; complementary cumulative distribution function; CCDF; PAPR; SC-FDMA;
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Times Cited By KSCI : 1  (Citation Analysis)
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