Tang, W;
Dai, JY;
Zheng Chen, M;
Wong, KK;
Li, X;
Zhao, X;
Jin, S;
... Cui, TJ; + view all
(2020)
Design and Implementation of MIMO Transmission through Reconfigurable Intelligent Surface.
In:
IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC.
IEEE: Atlanta, GA, USA.
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Abstract
By the ability to periodically change the reflection coefficients of the unit cells of the reconfigurable intelligent surface (RIS), RIS-empowered wireless transmitter has emerged as an attractive paradigm that can achieve information modulation and transmission in a cost-effective and energy-efficient manner. However, only the phase electromagnetic response of the RISs can be flexibly manipulated in most cases, which significantly limits the transmission rate of RIS-based transmitters. In this paper, RIS-based quadrature amplitude modulation (QAM) and multiple-input multiple-output (MIMO) transmission are designed to improve the communication rate of RIS-based transmitter. In addition, our proposed method of achieving RIS-based MIMO-QAM is proved to be robust with the discrete phase shift of the RIS. Furthermore, a prototype is implemented to perform real-time RIS-based MIMO-QAM transmission over the air, which practically validates the proposed approach
| Type: | Proceedings paper |
|---|---|
| Title: | Design and Implementation of MIMO Transmission through Reconfigurable Intelligent Surface |
| Event: | 2020 IEEE 21st International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) |
| ISBN-13: | 9781728154787 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/SPAWC48557.2020.9154245 |
| Publisher version: | http://dx.doi.org/10.1109/SPAWC48557.2020.9154245 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10111898 |
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