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http://hdl.handle.net/10397/107133
Title: | On the capacity of intelligent reflecting surface aided MIMO communication | Authors: | Zhang, S Zhang, R |
Issue Date: | 2020 | Source: | In Proceedings of 2020 IEEE International Symposium on Information Theory (ISIT), 21-26 June 2020, Los Angeles, CA, USA | Abstract: | Intelligent reflecting surface (IRS) is a promising solution to enhance the wireless communication capacity both cost-effectively and energy-efficiently, by properly altering the signal propagation via tuning a large number of passive reflecting units. In this paper, we aim to characterize the fundamental capacity limit of IRS-aided point-to-point multiple-input multiple-output (MIMO) communication systems with multi-antenna transmitter and receiver in general, by jointly optimizing the IRS reflection coefficients and the MIMO transmit covariance matrix. We consider narrowband transmission under frequency-flat fading channels, and develop an efficient alternating optimization algorithm to find a locally optimal solution by iteratively optimizing the transmit covariance matrix or one of the reflection coefficients with the others being fixed. Numerical results show that our proposed algorithm achieves substantially increased capacity compared to traditional MIMO channels without the IRS, and also outperforms various benchmark schemes. | Publisher: | Institute of Electrical and Electronics Engineers | ISBN: | 978-1-7281-6432-8 (Electronic) 978-1-7281-6433-5 (Print on Demand(PoD)) |
DOI: | 10.1109/ISIT44484.2020.9174375 | Description: | 2020 IEEE International Symposium on Information Theory (ISIT), 21-26 June 2020, Los Angeles, CA, USA | Rights: | ©2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The following publication S. Zhang and R. Zhang, "On the Capacity of Intelligent Reflecting Surface Aided MIMO Communication," 2020 IEEE International Symposium on Information Theory (ISIT), Los Angeles, CA, USA, 2020, pp. 2977-2982 is available at https://doi.org/10.1109/ISIT44484.2020.9174375. |
Appears in Collections: | Conference Paper |
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