Smart Radio Environments for 6G

Dear Colleagues,

6G networks will face more challenges and chances than 5G due to substantially higher capacity and much lower latency in the near future. In state-of-the-art wireless networks, reconfigurable intelligent surfaces (RISs) technology has provided a light to address those problems that may be caused by radio environment. For example, reflections/refractions from large objects and multi-path propagation will lead to uncontrollable interference and fading phenomena. Signal attenuation limits radio connectivity.

Research on smart radio environment design is still in its infancy. This Special Issue aims to collect both review and original research articles related to beam-forming, focusing, imaging, localisation, and sensing, some rooted in novel architectures for future mobile communications networks towards 6G.

The scope of the Special Issue includes, but is not limited to:

• Reconfigurable intelligent surfaces;
• Cognitive radio;
• Spectrum-sensing algorithms;
• Mobile communications and network architectures for a 6G system;
• Antenna design for massive MIMO;
• Radio connectivity.

Prof. Dr. Rafael Caldeirinha
Guest Editor

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