{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T15:21:56Z","timestamp":1782314516660,"version":"3.54.5"},"reference-count":43,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/100000001","name":"National Science Foundation of USA","doi-asserted-by":"publisher","award":["2210252"],"award-info":[{"award-number":["2210252"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Open J. Commun. Soc."],"published-print":{"date-parts":[[2025]]},"DOI":"10.1109\/ojcoms.2025.3539229","type":"journal-article","created":{"date-parts":[[2025,2,5]],"date-time":"2025-02-05T19:22:04Z","timestamp":1738783324000},"page":"1299-1327","source":"Crossref","is-referenced-by-count":14,"title":["Tight Approximation of Achievable Rates in RIS-Based Multi-User MIMO Systems Under Channel Estimation Constraints"],"prefix":"10.1109","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8088-312X","authenticated-orcid":false,"given":"Samar I.","family":"Farghaly","sequence":"first","affiliation":[{"name":"Department of Electronics and Electrical Communications Engineering, Faculty of Engineering, Tanta University, Tanta, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-7587-6958","authenticated-orcid":false,"given":"Mohamed I.","family":"Ismail","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, College of Science and Engineering, Idaho State University, Pocatello, ID, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1790-8640","authenticated-orcid":false,"given":"Mostafa M.","family":"Fouda","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, College of Science and Engineering, Idaho State University, Pocatello, ID, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2494-9010","authenticated-orcid":false,"given":"Ahmed S.","family":"Alwakeel","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, Faculty of Engineering, Suez University, Suez, Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2023.3249835"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2021.3109391"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2022.3155147"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2022.3217828"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2021.3112595"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2022.3180988"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2021.3077737"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2020.2982417"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2022.3212537"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/OJCOMS.2024.3353770"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/6GSUMMIT49458.2020.9083880"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.001.2000208"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/MNET.001.1900287"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.001.1900488"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/GLOBECOM38437.2019.9013256"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2020.2990098"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/GLOBECOM38437.2019.9014322"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP40776.2020.9053695"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2019.2961357"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.3004330"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2020.2998357"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2021.3070064"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2021.3069174"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2021.3117599"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2022.3175964"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2024.3371534"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2022.3158024"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2023.3279805"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2021.3100860"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2022.3208629"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2023.3327768"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2023.3332945"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2022.3214892"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.2990766"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2021.3059938"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2019.2923997"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2009.09.080067"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2011.112811.110036"},{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2020.2990431"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1109\/SPAWC48557.2020.9154244"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000802"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2936025"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2022.3195671"}],"container-title":["IEEE Open Journal of the Communications Society"],"original-title":[],"link":[{"URL":"https:\/\/ieeexplore.ieee.org\/ielam\/8782661\/10829557\/10873836-aam.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/8782661\/10829557\/10873836.pdf?arnumber=10873836","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,17]],"date-time":"2025-04-17T17:45:43Z","timestamp":1744911943000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/10873836\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025]]},"references-count":43,"URL":"https:\/\/doi.org\/10.1109\/ojcoms.2025.3539229","relation":{},"ISSN":["2644-125X"],"issn-type":[{"value":"2644-125X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025]]}}}