{"title":"Low Complexity Detection of IRS-Aided MIMO-OTSM Under Perfect Phase Optimization","authors":"Sangeeta Nalluru;Sapta Girish Neelam","doi":"10.1109/LCOMM.2024.3520700","DOIUrl":null,"url":null,"abstract":"This study introduces an innovative detection strategy for perfectly phase optimized Intelligent Reflecting Surface (IRS)-aided Multiple-Input Multiple-Output (MIMO) systems using Orthogonal Time Sequency Multiplexing (OTSM) modulation, specifically designed to perform well even with hardware limitations such as carrier frequency offset (CFO). The approach leverages maximum ratio combining (MRC) to enhance signal quality by mitigating multipath and inter-antenna interference. It also integrates advanced sub-channel estimation techniques to address CFO and features a meticulously designed frame structure that reduces interference and supports efficient parallel processing. This low-complexity detection method significantly boosts the performance of IRS-aided MIMO-OTSM systems, highlighting its transformative potential for wireless communication. Results demonstrate that an IRS-aided single-user MIMO-OTSM with an MRC detector outperforms traditional detectors, showcasing the effectiveness of incorporating IRS elements.","PeriodicalId":13197,"journal":{"name":"IEEE Communications Letters","volume":"29 2","pages":"393-397"},"PeriodicalIF":3.7000,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Communications Letters","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10810406/","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"TELECOMMUNICATIONS","Score":null,"Total":0}
引用次数: 0
Abstract
This study introduces an innovative detection strategy for perfectly phase optimized Intelligent Reflecting Surface (IRS)-aided Multiple-Input Multiple-Output (MIMO) systems using Orthogonal Time Sequency Multiplexing (OTSM) modulation, specifically designed to perform well even with hardware limitations such as carrier frequency offset (CFO). The approach leverages maximum ratio combining (MRC) to enhance signal quality by mitigating multipath and inter-antenna interference. It also integrates advanced sub-channel estimation techniques to address CFO and features a meticulously designed frame structure that reduces interference and supports efficient parallel processing. This low-complexity detection method significantly boosts the performance of IRS-aided MIMO-OTSM systems, highlighting its transformative potential for wireless communication. Results demonstrate that an IRS-aided single-user MIMO-OTSM with an MRC detector outperforms traditional detectors, showcasing the effectiveness of incorporating IRS elements.
期刊介绍：
The IEEE Communications Letters publishes short papers in a rapid publication cycle on advances in the state-of-the-art of communication over different media and channels including wire, underground, waveguide, optical fiber, and storage channels. Both theoretical contributions (including new techniques, concepts, and analyses) and practical contributions (including system experiments and prototypes, and new applications) are encouraged. This journal focuses on the physical layer and the link layer of communication systems.
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