Abstract
The fifth generation upcoming applications require an alternative multicarrier modulation (MCM) scheme rather than the well-known orthogonal frequency division multiplexing scheme. Filter bank multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) is the most suitable scheme to meet this requirement. However, as an MCM, the high peak to average power ratio (PAPR) is a significant problem which upsets the FBMC/OQAM signal. In the presence of a non-linear high power amplifier, FBMC/OQAM signals with high PAPR can be strongly distorted. To date, the PAPR reduction technique called tone reservation (TR) has been revised and adapted to the overlapping nature of the FBMC/OQAM signal in many research works. In view of that, the authors (i) present two refined TR methods deemed relevant for reducing the PAPR of the FBMC/OQAM and (ii) compare their performances with those of some existing versions of TR PAPR reduction methods.
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