Abstract
Dual-polarized rate-splitting multiple access (RSMA) with polarization multiplexing has appeared recently as an attractive downlink transmission technique for dual-polarized massive multiple-input multiple-output (MIMO) systems. Dual-polarized RSMA does not require successive interference cancellation (SIC), which avoids practical issues of imperfect SIC decoding. Nevertheless, depolarization phenomena can still degrade the performance of this featured technique. In this work, we exploit the advanced capabilities of a dual-polarized intelligent reflecting surface (IRS) for unleashing an enhanced RSMA polarization multiplexing. To optimize the IRSs, we develop a multi-objective Frank-Wolfe-based algorithm for jointly mitigating cross-polar interference and improving the reception of common and private data streams at multiple users. Representative simulation examples demonstrate that dual-polarized IRS-MIMO-RSMA can efficiently mitigate detrimental depolarization phenomena and outperform conventional systems.
| Original language | English |
|---|---|
| Title of host publication | ICC 2023 - IEEE International Conference on Communications |
| Subtitle of host publication | Sustainable Communications for Renaissance |
| Editors | Michele Zorzi, Meixia Tao, Walid Saad |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 4279-4285 |
| Number of pages | 7 |
| ISBN (Electronic) | 9781538674628 |
| DOIs | |
| State | Published - 2023 |
| Externally published | Yes |
| Event | 2023 IEEE International Conference on Communications, ICC 2023 - Rome, Italy Duration: 28 May 2023 → 1 Jun 2023 |
Publication series
| Name | IEEE International Conference on Communications |
|---|---|
| Volume | 2023-May |
| ISSN (Print) | 1550-3607 |
Conference
| Conference | 2023 IEEE International Conference on Communications, ICC 2023 |
|---|---|
| Country/Territory | Italy |
| City | Rome |
| Period | 28/05/23 → 1/06/23 |
Bibliographical note
Publisher Copyright:© 2023 IEEE.
Keywords
- Dual-polarization
- intelligent reflecting surfaces
- massive MIMO
- rate-splitting multiple access
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering
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