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Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come

EURASIP journal on wireless communications and networking, 2019-05, Vol.2019 (1), p.1-20, Article 129 [Tạp chí có phản biện]

The Author(s) 2019 ;EURASIP Journal on Wireless Communications and Networking is a copyright of Springer, (2019). All Rights Reserved. © 2019. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Attribution ;ISSN: 1687-1499 ;ISSN: 1687-1472 ;EISSN: 1687-1499 ;DOI: 10.1186/s13638-019-1438-9

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Nhan đề:
Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come
Tác giả: Renzo, Marco Di ; Debbah, Merouane ; Phan-Huy, Dinh-Thuy ; Zappone, Alessio ; Alouini, Mohamed-Slim ; Yuen, Chau ; Sciancalepore, Vincenzo ; Alexandropoulos, George C. ; Hoydis, Jakob ; Gacanin, Haris ; Rosny, Julien de ; Bounceur, Ahcene ; Lerosey, Geoffroy ; Fink, Mathias
Chủ đề: 6G wireless ; Backscattering ; Cellular radio ; Communications Engineering ; Computer Science ; Emerging Intelligent Algorithms for Edge-of-Things Computing ; Emission ; Engineering ; Environmental AI ; Environmental impact ; Information Systems Applications (incl.Internet) ; Information Theory ; Networks ; Object recognition ; Operators ; Power consumption ; Radio equipment ; Radio waves ; Radios ; Reconfigurable intelligent meta-surfaces ; Reconfiguration ; Recycling ; Redesign ; Review ; Signal,Image and Speech Processing ; Smart radio environments ; Smart sensors ; Thin films ; Wireless communications ; Wireless networks
Là 1 phần của: EURASIP journal on wireless communications and networking, 2019-05, Vol.2019 (1), p.1-20, Article 129
Mô tả: Future wireless networks are expected to constitute a distributed intelligent wireless communications, sensing, and computing platform, which will have the challenging requirement of interconnecting the physical and digital worlds in a seamless and sustainable manner. Currently, two main factors prevent wireless network operators from building such networks: (1) the lack of control of the wireless environment, whose impact on the radio waves cannot be customized, and (2) the current operation of wireless radios, which consume a lot of power because new signals are generated whenever data has to be transmitted. In this paper, we challenge the usual “more data needs more power and emission of radio waves” status quo, and motivate that future wireless networks necessitate a smart radio environment: a transformative wireless concept, where the environmental objects are coated with artificial thin films of electromagnetic and reconfigurable material (that are referred to as reconfigurable intelligent meta-surfaces), which are capable of sensing the environment and of applying customized transformations to the radio waves. Smart radio environments have the potential to provide future wireless networks with uninterrupted wireless connectivity, and with the capability of transmitting data without generating new signals but recycling existing radio waves. We will discuss, in particular, two major types of reconfigurable intelligent meta-surfaces applied to wireless networks. The first type of meta-surfaces will be embedded into, e.g., walls, and will be directly controlled by the wireless network operators via a software controller in order to shape the radio waves for, e.g., improving the network coverage. The second type of meta-surfaces will be embedded into objects, e.g., smart t-shirts with sensors for health monitoring, and will backscatter the radio waves generated by cellular base stations in order to report their sensed data to mobile phones. These functionalities will enable wireless network operators to offer new services without the emission of additional radio waves, but by recycling those already existing for other purposes. This paper overviews the current research efforts on smart radio environments, the enabling technologies to realize them in practice, the need of new communication-theoretic models for their analysis and design, and the long-term and open research issues to be solved towards their massive deployment. In a nutshell, this paper is focused on discussing how the availability of reconfigurable intelligent meta-surfaces will allow wireless network operators to redesign common and well-known network communication paradigms.
Nơi xuất bản: Cham: Springer International Publishing
Ngôn ngữ: English
Số nhận dạng: ISSN: 1687-1499
ISSN: 1687-1472
EISSN: 1687-1499
DOI: 10.1186/s13638-019-1438-9
Nguồn: DOAJ Directory of Open Access Journals
AUTh Library subscriptions: ProQuest Central
Hyper Article en Ligne (HAL) (Open Access)
Springer Nature OA Free Journals

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Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come

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