Hybrid Energy Efficiency Friendly Frequency Domain TR Algorithm Based on PSO Algorithm Evaluated by Novel Maximizing HPA Efficiency Evaluation Criteria

Feng Hu, Yuan Lu, Libiao Jin, Jianbo Liu, Zhiping Xia, Guoting Zhang and Jingting Xiao
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Feng Hu: School of Information and Communication Engineering, Communication University of China, Beijing 100024, China
Yuan Lu: School of Information and Communication Engineering, Communication University of China, Beijing 100024, China
Libiao Jin: School of Information and Communication Engineering, Communication University of China, Beijing 100024, China
Jianbo Liu: School of Information and Communication Engineering, Communication University of China, Beijing 100024, China
Zhiping Xia: Academy of Broadcasting Science, Beijing 100045, China
Guoting Zhang: Academy of Broadcasting Science, Beijing 100045, China
Jingting Xiao: Academy of Broadcasting Science, Beijing 100045, China

Energies, 2022, vol. 15, issue 3, 1-19

Abstract: Smart Grids (SGs) expedite secure, large-scale and efficient two-way communication between the power supply and management, but under a sophisticated 5G communication infrastructure, the multi carrier system is the principle system. The high peak-to-average power ratio (PAPR) is one of the significant limitations of the 5G multi carrier (MC) system, as it impedes the efficient design of the 5G analogue front end. Tone reservation (TR) is a highly efficient scheme without signal distortion, which is designed by increasing the freedom in the frequency domain for PAPR reduction. In this paper, a particle swarm optimization (PSO) based TR (PSO-TR) scheme proceeding with an optimal input power back off-modulation error ratio (IBO-MER) convergence criterion is proposed to improve high power amplifier (HPA) efficiency for OFDM systems. A probabilistic analysis of TR predistribution and freedom in the frequency domain, in relationship with the amplitude of its constituent samples, is carried out. This yields the theoretical framework employed in design of the proposed high computing-enhanced solutions. The proposed PSO-TR essentially make the frequency domain distribution and operation itself adaptive, that is, it adjusts to comply with the changing HPA efficiency and redundant cost during application runtime.

Keywords: OFDM; PAPR; HPA; TR; PSO; 5G; PSO; IBO; MER; energy efficiency (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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