The 5G candidate waveform race: a comparison of complexity and performance

5G will have to cope with a high degree of heterogeneity in terms of services and requirements. Among these latter, the flexible and efficient use of non-contiguous unused spectrum for different network deployment scenarios is considered a key challenge for 5G systems. To maximize spectrum efficienc...

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Bibliographic Details
Published inEURASIP journal on wireless communications and networking Vol. 2017; no. 1; pp. 1 - 14
Main Authors Gerzaguet, Robin, Bartzoudis, Nikolaos, Baltar, Leonardo Gomes, Berg, Vincent, Doré, Jean-Baptiste, Kténas, Dimitri, Font-Bach, Oriol, Mestre, Xavier, Payaró, Miquel, Färber, Michael, Roth, Kilian
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 11.01.2017
Springer Nature B.V
Subjects
Communications Engineering
Complexity
Efficiency
Emerging Air Interfaces and Management Technologies for the 5G Era
Engineering
Heterogeneity
Information Systems Applications (incl.Internet)
Networks
Power efficiency
Robustness
Signal,Image and Speech Processing
Spectra
Uplinking
Waveforms
Wireless communication
Waveform
UFMC
GFDM
5G
FBMC
OFDM
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Summary:5G will have to cope with a high degree of heterogeneity in terms of services and requirements. Among these latter, the flexible and efficient use of non-contiguous unused spectrum for different network deployment scenarios is considered a key challenge for 5G systems. To maximize spectrum efficiency, the 5G air interface technology will also need to be flexible and capable of mapping various services to the best suitable combinations of frequency and radio resources. In this work, we propose a comparison of several 5G waveform candidates (OFDM, UFMC, FBMC and GFDM) under a common framework. We assess spectral efficiency, power spectral density, peak-to-average power ratio and robustness to asynchronous multi-user uplink transmission. Moreover, we evaluate and compare the complexity of the different waveforms. In addition to the complexity analysis, in this work, we also demonstrate the suitability of FBMC for specific 5G use cases via two experimental implementations. The benefits of these new waveforms for the foreseen 5G use cases are clearly highlighted on representative criteria and experiments.
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ISSN:1687-1499
1687-1472
1687-1499
DOI:10.1186/s13638-016-0792-0