Different companding methods such as μ-law, hyperbolic tangent, exponential, linear symmetric transforms, linear asymmetric transforms and threshold log companding are used for PAPR reduction in OFDM.
Is there any other efficient companding methods?
Besides, is there any other method of PAPR reduction in OFDM except companding?
Dear Abdullah,
welcome,
There are some methods to reduce the peak to average power ratio of the OFDM signal to lower their dynamic range during transmission needing smaller power amplifier. If you go to my research page you will find most of the methods used for this purpose: https://www.researchgate.net/profile/Abdelhalim_Zekry/research
Best wishes
There are so many techniques for reducing PAPR of an OFDM signal.
Some of the prominent techniques are clipping and filtering, selective filtering/mapping techniques like tone reservation, tone blocking, tone insertion etc.
Some other techniques are based on coding schemes also, you can see some of the review papers.
for ex. https://scholar.google.co.in/scholar?q=papr+reduction+techniques&hl=en&as_sdt=0&as_vis=1&oi=scholart
Please have a look at this article
Iterative Dichotomy PAPR Reduction Method for Multicarrier Waveforms | IEEE Journals & Magazine | IEEE Xplore
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