Abstract
5th generation cellular systems will extend the operation to above 6 GHz to meet extreme data rate requirements. This sets new requirements for the air interface design. In this paper, we propose several frame structure solutions from the mmMAGIC project [1], which address the challenges of using higher carrier frequencies. These solutions include subframe structures for orthogonal frequency division multiplexing (OFDM) and filter-bank multicarrier modulation (FBMC), demodulation reference signal (DMRS) design, backhauling, synchronization signal design and beam measurement reference signal design. Further research is being conducted to refine the overall frame structure solution.
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