Abstract
The pursuit of high-quality modulation has become an inevitable trend along with a continuous evolution of mobile communication technologies. The filter-bank based multicarrier (FBMC) modulation, which has aroused wide concern recently for its higher spectral efficiency than orthogonal frequency division multiplexing (OFDM), is considered as a promising candidate solution to the air interface problem in the fifth-generation communication (5G). Since performance of multicarrier transmission is inevitably and largely affected by peak-to-average power ratio (PAPR), research on PAPR reduction methods is essential. After presenting the architecture of an FBMC transmission system and analyzing structural characteristics of FBMC signals, this paper studies several PAPR reduction methods which are previously used in OFDM transmission, and then attempts to apply them to an FBMC transmission environment by giving theoretical derivation. Computer simulation under different cases also verify their feasibility and effectiveness on PAPR reduction of FBMC signal waveform.
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