1. Spectrally-Precoded OFDM for 5G Wideband Operation in Fragmented sub-6GHz Spectrum
- Author
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Pitaval, Renaud-Alexandre, Popović, Branislav M., Mohamad, Medhat, Nilsson, Rickard, and van de Beek, Jaap
- Subjects
FOS: Computer and information sciences ,Computer Science - Information Theory ,Information Theory (cs.IT) ,Computer Science::Information Theory - Abstract
We consider spectrally-precoded OFDM waveforms for 5G wideband transmission in sub-6GHz band. In this densely packed spectrum, a low out-of-band (OOB) waveform is a critical 5G component to achieve the promised high spectral efficiency. By precoding data symbols before OFDM modulation, it is possible to achieve extremely low out-of-band emission with very sharp spectrum transition enabling an efficient and flexible usage of frequency resources. Spectrally-precoded OFDM shows promising results for reaching 5G targets in high-data rate enhanced mobile broadband and ultra-reliable low-latency communications use cases. Spectral precoding is particularly efficient for wideband transmission enabling short-time transmission, which will often require flexible fragmented spectrum usage., Comment: 12 pages, 6 figures
- Published
- 2016
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