Abstract
One key issue of the fifth mobile communication generation (5G) is to elaborate an appropriate new waveform. Ideally, this waveform should preserve the two main advantages of the Orthogonal Frequency Division Multiplexing (OFDM) scheme, namely low latency and complexity. Along this line of thought, we propose in this paper an OFDM-type window, i.e. identical symbol time duration and equivalent spectral efficiency as OFDM. This optimal waveform with respect to the time-frequency localization criterion is analyzed using a Filtered MultiTone (FMT) framework. For this design criterion, comparisons are carried out between our optimized FMT solution, OFDM and the Root Raised Cosine window.
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