Abstract

The objective of this review is Comprehensive description for Peak to Average Power Ratio (PAPR) reduction methods in Orthogonal Frequency Division Multiplexing (OFDM) multicarrier modulation systems to provide the researchers in this field with a broader understanding of the high PAPR problem in OFDM systems and Classification of the available solutions to mitigate the problem. Also, we discuss and make some remarks on the criteria for PAPR reduction methods. In wireless multicarrier communication systems, the major drawback of transmit signal is high Peak to Average Power Ratio. Transmitters have a lot of devices such as Power Amplifiers (PA), PAs are often designed to operate at non-linear region to reduce power consumption. However, non-linear transfer functions of PAs may be led to high peaks of amplitude levels resulting a high peak levels of multicarrier signal while average power still approximately fixed depended on PA specifications. This mean, PAPR will be increased caused high complexity, bandwidth expansion, spectral spillage and degradation of system performance. One important type of multicarrier modulation systems is OFDM.

Keywords:

And complementary cumulative distribution function (CCDF), Orthogonal Frequency Division Multiplexing (OFDM), Peak to Average Power Ratio (PAPR),

References

Competing interests

The authors have no competing interests.

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The authors have no competing interests.