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Linear Precoder Design for PAPR Reduction of GFDM Signals Using Gradient Descent Methods

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posted on 27.08.2021, 11:44 by Mohsen Sheikh-HosseiniMohsen Sheikh-Hosseini, Farhad Rahdari, Mohammad Hasheminejad
This paper addresses linear precoder design for Peak-to-Average Power Ratio (PARP) reduction of Generalized Frequency Division Multiplexing (GFDM). A general framework, which is composed of four different scenarios and utilizes Gradient-based iterative methods to reduce PAPR through minimizing statistical parameters of the instantaneous power of GFDM signal including variance, power, and third moment, is suggested. Numerical results confirm when the step-size of the Gradient method is dynamically computed using the Wolf line search rule, the suggested algorithm circumvents drawbacks of existing studies and converges to a precoder providing advantages in design speed, obtained PAPR, symbol error rate, and out-of-band emission.

Funding

Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran

History

Email Address of Submitting Author

m.sheikhhosseini@kgut.ac.ir

ORCID of Submitting Author

0000-0002-5959-7839

Submitting Author's Institution

Graduate University of Advanced Technology, Kerman

Submitting Author's Country

Iran