The PAPR Problem in OFDM Transmission: New Directions for a Long-Lasting Problem

TL;DR

This paper discusses the PAPR problem in OFDM systems, highlighting new challenges due to energy efficiency demands and proposing a unified framework using advanced mathematical tools for future research directions.

Contribution

It introduces a novel approach combining large deviation theory, de-randomization, and Banach space geometry to address PAPR issues in energy-efficient OFDM transmission.

Findings

Unified framework for PAPR analysis

Integration of advanced mathematical tools

Guidance for future research directions

Abstract

Peak power control for multicarrier communications has been a long-lasting problem in signal processing and communications. However, industry and academia are confronted with new challenges regarding energy efficient system design. Particularly, the envisioned boost in network energy efficiency (e.g. at least by a factor of 1000 in the Green Touch consortium) will tighten the requirements on component level so that the efficiency gap with respect to single-carrier transmission must considerably diminish. This paper reflects these challenges together with a unified framework and new directions in this field. The combination of large deviation theory, de-randomization and selected elements of Banach space geometry will offer a novel approach and will provide ideas and concepts for researchers with a background in industry as well as those from academia.