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Zhang, G, Jiang, X-Q, Hai, H, Xu, L and Mumtaz, S 
ORCID: https://orcid.org/0000-0001-6364-6149,
2024.
Intelligent reflecting surfaces based offset index modulation for MIMO systems.
IEEE Transactions on Vehicular Technology.
ISSN 0018-9545
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Abstract
In this paper, we introduce the concept of offset to the field of intelligent reflecting surfaces-based index modulation (IRS-IM) and propose an IRS-based offset IM (IRSOIM) scheme. The IRS-OIM scheme not only divides the IRS elements into several blocks but also introduces an offset at the transmitter while reducing the number of IRS controller operations. Furthermore, we develop three offset IRS block selection (OIBS) approaches to adapt to different numbers of activated IRS blocks for IRS-OIM. Compared with IRS-IM, the IRS-OIM increases the reliability of information transmission and ensures a high effective gain for the IRS while increasing the data transmission rate. In addition, the mathematical expression for the average bit error probability (ABEP) of the IRS-OIM scheme is deduced. Comparison between IRS-OIM and their counterparts in terms of complexity is also provided. Monte Carlo simulation results demonstrate the superiority of the proposed IRS-OIM scheme, and show that IRS-OIM achieves more balanced trade-off among complexity and performance than their counterparts.
| Item Type: | Journal article |
|---|---|
| Publication Title: | IEEE Transactions on Vehicular Technology |
| Creators: | Zhang, G., Jiang, X.-Q., Hai, H., Xu, L. and Mumtaz, S. |
| Publisher: | Institute of Electrical and Electronics Engineers |
| Date: | 28 March 2024 |
| ISSN: | 0018-9545 |
| Identifiers: | Number Type 10.1109/tvt.2024.3382310 DOI 1882674 Other |
| Rights: | © 2024 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. |
| Divisions: | Schools > School of Science and Technology |
| Record created by: | Jonathan Gallacher |
| Date Added: | 08 Apr 2024 09:29 |
| Last Modified: | 08 Apr 2024 09:29 |
| URI: | https://irep.ntu.ac.uk/id/eprint/51207 |
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