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Province Innovation Support Program (International Science and Technology Cooperation)","award":["BZ2023002"],"award-info":[{"award-number":["BZ2023002"]}]},{"name":"Postgraduate Research &amp; Practice Innovation Program of Jiangsu Province","award":["231007653243925"],"award-info":[{"award-number":["231007653243925"]}]},{"name":"Postgraduate Research &amp; Practice Innovation Program of Jiangsu Province","award":["202310304229T"],"award-info":[{"award-number":["202310304229T"]}]},{"name":"Postgraduate Research &amp; Practice Innovation Program of Jiangsu Province","award":["BE2023765"],"award-info":[{"award-number":["BE2023765"]}]},{"name":"Postgraduate Research &amp; Practice Innovation Program of Jiangsu Province","award":["BZ2023002"],"award-info":[{"award-number":["BZ2023002"]}]},{"name":"Postgraduate Research &amp; Practice Innovation Program of Jiangsu Province","award":["BZ2023002"],"award-info":[{"award-number":["BZ2023002"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this study, we investigated reconfigurable intelligent surface (RIS)-assisted device-to-device (D2D) communication systems over Nakagami-m fading channels. To enhance the reliability of RIS-assisted D2D communications, we utilized the rate-splitting multiple access (RSMA) technique to maximize the achievable ergodic rate for our considered systems. Specifically, both devices decoded the common symbol by treating private symbols as interference, and then each private symbol was decoded by treating the other as interference. In order to maximize the achievable ergodic rate at the destination, we analyzed the achievable ergodic rate of the RIS link and the D2D link, and the destination jointly decoded both symbols transmitted from the source and device by involving the maximum ratio combination (MRC). We obtained a closed-form expression for the achievable ergodic rate of the proposed RIS-assisted D2D communication system. Finally, we investigated the influence of power allocation factors and the number of reflective elements on the achievable ergodic rate. As seen by the numerical results, there was a good match between the analysis and simulation results, as well as significant superiority compared with existing works.<\/jats:p>","DOI":"10.3390\/s24113423","type":"journal-article","created":{"date-parts":[[2024,5,27]],"date-time":"2024-05-27T09:33:31Z","timestamp":1716802411000},"page":"3423","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["RIS-Assisted D2D Communication over Nakagami-m Fading with RSMA"],"prefix":"10.3390","volume":"24","author":[{"given":"Yunhao","family":"Ding","sequence":"first","affiliation":[{"name":"School of Information Science and Technology, Nantong University, Nantong 226019, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-9705-9896","authenticated-orcid":false,"given":"Linfei","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Electrical Engineering and Automation, Engineering Training Center, Nantong University, Nantong 226019, China"},{"name":"Educational and Scientific Institute of Energy Saving and Energy Management, National Technical University of Ukraine \u201cIgor Sikorsky Kyiv Polytechnic Institute\u201d, 03056 Kyiv, Ukraine"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peishun","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Nantong University, Nantong 226019, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1678-9520","authenticated-orcid":false,"given":"Wei","family":"Duan","sequence":"additional","affiliation":[{"name":"School of Information Science and Technology, Nantong University, Nantong 226019, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"118","DOI":"10.1109\/MWC.001.1900534","article-title":"Holographic MIMO surfaces for 6G wireless networks: Opportunities, challenges and trends","volume":"27","author":"Huang","year":"2020","journal-title":"IEEE Wirel. 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