Flexible Radio Access Techniques for 5G and Beyond
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".
Deadline for manuscript submissions: closed (10 October 2021) | Viewed by 5458
Special Issue Editor
Interests: wireless communications; PHY and MAC design for 5G and beyond; millimeterwave communications; OFDM and beyond; PHY security; cognitive radio; dynamic spectrum access; multicarrier waveform design for 5G and beyond
Special Issue Information
Dear Colleagues,
Today's wireless services and systems have come a long way since the rollout of conventional voice-centric cellular systems. The demand for wireless access in voice and multimedia applications has increased tremendously. In addition to these, new application classes such as extreme mobile broadband communication, ultrareliable and low-latency communications, massive machine-type communications, and Internet of Things have gained significant interest recently for 5G. The trend on the variety and number of mobile devices along with mobile applications will certainly continue beyond 5G, creating a wide range of technical challenges, such as cost, power efficiency, spectrum efficiency, extreme reliability, low latency, robustness against diverse channel conditions, cooperative networking capability and coexistence, and dynamic and flexible utilization of a wireless spectrum. In order to address these technical challenges, 5G waveforms and radio access technologies (RATs) should be much more flexible.
During the standardization of 5G, one thing has become certain: there is no single enabling technology that can achieve all of the applications being promised by 5G networking. This will be even more pronounced beyond 5G. Based on the recent trend, it is anticipated that the quantity of wireless devices, applications, and heterogeneity of user requirements will keep increasing in the coming decade(s); however, the sufficiency of the current flexibility level remains quite disputable considering future expectations. Therefore, novel RATs facilitating much more flexibility are needed to address the aforementioned technical problems.
Prof. Dr. Huseyin Arslan
Guest Editor
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Keywords
- Flexible band utilization, dynamic spectrum sharing
- Flexible and adaptable PHY and MAC
- Integrated sensing and communication
- Cognitive radios and networks
- Flexibility in secure communication, PHY and MAC security
- Heterogeneous networks
- Flexible waveforms and coexistence
- Enhanced scheduling
- Channel adaptation and intelligent reflecting surfaces
