Abstract
The demand for high data rate, the generation of Internet of Things (IoT), and various Machine Type Communications (MTC) emerged for a new transmission phenomenon. In other words, it is substantial to communicate without synchronization, or synchronization overhead, with mixed signal types. such specifications cannot be covered by the Fourth Generation (4G) systems, which is based on Cyclic Prefix Orthogonal Frequency Division Multiplexing (CP-OFDM). However, to achieve the specifications of the next generation system, numerous waveform replacements for the CP–OFDM were suggested, Filter Bank Multi–Carrier (FBMC), Generalized Frequency Division Multiplexing (GFDM), Universal Filtered Multi–Carrier (UFMC), and Filtered OFDM (F–OFDM). The filter design occupies essential part in these replacements, thus, in this paper, novel filters are introduced where simulation results show that the proposed filters outperform previous designs in terms of spectral efficiency improved dramatically by releasing the synchronization overhead.
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