Autonomous Reconfigurable Intelligent Surfaces Through Wireless Energy Harvesting

被引：5

作者：

Ntontin, Konstantinos ^{[1
]}

Boulogeorgos, Alexandros-Apostolos A. ^{[2
]}

Bjornson, Emil ^{[3
]}

Selimis, Dimitrios ^{[4
]}

Martins, Wallace Alves ^{[1
]}

Abadal, Sergi ^{[5
]}

Alexiou, Angeliki ^{[2
]}

Lazarakis, Fotis ^{[4
]}

Kisseleff, Steven ^{[1
]}

Chatzinotas, Symeon ^{[1
]}

机构：

[1] Univ Luxembourg, SnT, SIGCOM, Luxembourg, Luxembourg

[2] Univ Piraeus, Dept Digital Syst, Piraeus, Greece

[3] KTH Royal Inst Technol, Div Commun Syst, Stockholm, Sweden

[4] Natl Ctr Sci Res Demokritos, Inst Informat & Telecommun, Aghia Paraskevi, Greece

[5] Polytechn Univ Catalonia, NaNoNetworking Ctr Catalonia, Barcelona, Spain

来源：

2022 IEEE 95TH VEHICULAR TECHNOLOGY CONFERENCE (VTC2022-SPRING) | 2022年

基金：

欧盟地平线“2020”;

关键词：

Reconfigurable intelligent surface; wireless energy harvesting; optimal placement; LINK;

D O I：

10.1109/VTC2022-Spring54318.2022.9860773

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we examine the potential for a reconfigurable intelligent surface (RIS) to be powered by energy harvested from information signals. This feature might be key to reap the benefits of RIS technology's lower power consumption compared to active relays. We first identify the main RIS power-consuming components and then propose an energy harvesting and power consumption model. Furthermore, we formulate and solve the problem of the optimal RIS placement together with the amplitude and phase response adjustment of its elements in order to maximize the signal-to-noise ratio (SNR) while harvesting sufficient energy for its operation. Finally, numerical results validate the autonomous operation potential and reveal the range of power consumption values that enables it.

引用

页数：6

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