Page 152 - ITU Journal, Future and evolving technologies - Volume 1 (2020), Issue 1, Inaugural issue

ITU Journal on Future and Evolving Technologies, Volume 1 (2020), Issue 1

this, we have presented example lexibility aspects for the nologies,” in IEEE Vehicular Technology Maga-
potential 6G key enablers under a unique categorization. zine, vol. 14, no. 3, pp. 28-41, Sept. 2019, doi:
10.1109/MVT.2019.2921208.
We believe that 6G should be approached with lexibility
at its primary design criterion. Flexibility aspects of [6] L. Zhang, Y. Liang and D. Niyato, “6G Visions:
the potential key enablers need to play a leading role Mobile ultra-broadband, super internet-of-things,
in the design stages of 6G systems. To this end, we and arti icial intelligence,” in China Communica-
have presented a general framework comprising of the tions, vol. 16, no. 8, pp. 1-14, Aug. 2019, doi:
aforementioned lexible key enablers, empowered by 10.23919/JCC.2019.08.001.
a lexible cognitive engine and supported by different
aspects of sensing and AI. We believe that the presence of [7] W. Saad, M. Bennis and M. Chen, “A Vision of 6G
lexible options is imperative but only that is not enough Wireless Systems: Applications, Trends, Technolo-
to support the future applications. The ability to extract gies, and Open Research Problems,” in IEEE Network,
information regarding the operating environment and vol. 34, no. 3, pp. 134-142, May/June 2020, doi:
making related intelligent decisions are the way forward 10.1109/MNET.001.1900287.
in the wireless communications realm. The best possible
utilization of the lexibility offered by the key enablers is [8] G. Gui, M. Liu, F. Tang, N. Kato and F. Adachi, “6G:
determined with this vision. Opening New Horizons for Integration of Comfort, Se-
curity and Intelligence,” in IEEE Wireless Communi-
The realization of a lexible key enabler platform like the cations, doi: 10.1109/MWC.001.1900516.
one mentioned above is, however, not straightforward.
It requires the methods capable of performing ef icient [9] M. Giordani, M. Polese, M. Mezzavilla, S. Rangan
multi-objective optimization to address the various and M. Zorzi, “Toward 6G Networks: Use Cases
competing applications requirements. Furthermore, and Technologies,” in IEEE Communications Mag-
quantifying the lexibility by proposing novel perfor- azine, vol. 58, no. 3, pp. 55-61, Mar. 2020, doi:
mance indicators also remains a signi icant challenge on 10.1109/MCOM.001.1900411.
the way to ensure a fully-functional lexible, cognitive [10] J. F. Monserrat, D. Martin-Sacristan, F. Bouch-
wireless communications network.
mal, O. Carrasco, J. Flores de Valgas and N. Car-
dona, “Key Technologies for the Advent of the
6G,” 2020 IEEE Wireless Communications and Net-
ACKNOWLEDGEMENT working Conference Workshops (WCNCW), Seoul,
The authors would like to thank Muhammad Sohaib J. So- Korea (South), 2020, pp. 1-6, doi: 10.1109/WC-
laija for his valuable comments and suggestions to im- NCW48565.2020.9124725.
prove the quality of the paper.
[11] S. Dang, O. Amin, B. Shihada and M. Alouini, “What
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