Abstract
The spectrum efficiency in fourth-generation (4G) i.e. orthogonal frequency division multiplxing (OFDM) systems has become a major problem at this time due to the increasing need for communication bandwidth. This efficiency is reduced due to the high out-of-band emission (OoBE) that exist. As one of the candidates that still has the potential to be used in the fifth generation (5G) signal modulation method, this paper aims to make observations by out of band emission simulation on a multi carrier filter bank (FBMC). This paper illustrated facets of the 5G with FBMC modulation scheme. To illustrate it, 24 sub-carriers were simulated with each sub-carrier spaced 15 kHz, later the power spectral density of the FBMC signal is plotted. The MATLAB simulation results with the 256-QAM order indicated that FBMC is more advantageous than OFDM because it offers higher spectral efficiency with a difference of 130 dBW/Hz. In other words, this system offers low out of band emission. Previously, an illustration of the FBMC prototype was also shown.
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