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Spectrally-Precoded OFDM for 5G Wideband Operation in Fragmented sub-6GHz Spectrum
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
(English)Article in journal (Refereed) Submitted
Abstract [en]

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. Spectrallyprecoded

OFDM shows promising results for reaching 5G targets in high-data rate enhanced mobile broadband and ultrareliable

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.

National Category
Signal Processing
Identifiers
URN: urn:nbn:se:ltu:diva-62023OAI: oai:DiVA.org:ltu-62023DiVA: diva2:1074596
Available from: 2017-02-15 Created: 2017-02-15 Last updated: 2017-02-15

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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