Holographic MIMO Surfaces for 6G Wireless Networks: Opportunities, Challenges, and Trends

Future wireless networks are expected to evolve toward an intelligent and software reconfigurable paradigm enabling ubiquitous communications between humans and mobile devices. They will also be capable of sensing, controlling, and optimizing the wireless environment to fulfill the visions of low-po...

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Bibliographic Details
Published in:IEEE wireless communications 2020-10, Vol.27 (5), p.118-125
Main Authors: Huang, Chongwen, Hu, Sha, Alexandropoulos, George C., Zappone, Alessio, Yuen, Chau, Zhang, Rui, Renzo, Marco Di, Debbah, Merouane
Format: Article
Language:English
Subjects:
6G mobile communication
Antenna arrays
Apertures
Electromagnetic radiation
Electronic devices
Engineering Sciences
Holography
MIMO (control systems)
MIMO communication
Network latency
Optical surface waves
Planar structures
Signal and Image processing
Transceivers
Wireless communication
Wireless communications
Wireless networks
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Summary:Future wireless networks are expected to evolve toward an intelligent and software reconfigurable paradigm enabling ubiquitous communications between humans and mobile devices. They will also be capable of sensing, controlling, and optimizing the wireless environment to fulfill the visions of low-power, high-throughput, massively- connected, and low-latency communications. A key conceptual enabler that is recently gaining increasing popularity is the HMIMOS that refers to a low-cost transformative wireless planar structure comprised of sub-wavelength metallic or dielectric scattering particles, which is capable of shaping electromagnetic waves according to desired objectives. In this article, we provide an overview of HMIMOS communications including the available hardware architectures for reconfiguring such surfaces, and highlight the opportunities and key challenges in designing HMIMOS-enabled wireless communications.
ISSN:1536-1284
1558-0687
DOI:10.1109/MWC.001.1900534