{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T16:28:41Z","timestamp":1781972921245,"version":"3.54.5"},"reference-count":28,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","license":[{"start":{"date-parts":[[2026,1,1]],"date-time":"2026-01-01T00:00:00Z","timestamp":1767225600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/legalcode"}],"funder":[{"DOI":"10.13039\/501100006769","name":"Russian Science Foundation","doi-asserted-by":"publisher","award":["24-41-02023"],"award-info":[{"award-number":["24-41-02023"]}],"id":[{"id":"10.13039\/501100006769","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Open J. Commun. Soc."],"published-print":{"date-parts":[[2026]]},"DOI":"10.1109\/ojcoms.2026.3651840","type":"journal-article","created":{"date-parts":[[2026,1,12]],"date-time":"2026-01-12T22:04:46Z","timestamp":1768255486000},"page":"583-597","source":"Crossref","is-referenced-by-count":2,"title":["TTD-Based Hybrid Beamforming for Multi-User Near-Field Communications: A Riemannian Optimization Approach"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-9848-8425","authenticated-orcid":false,"given":"Damir","family":"Salakhov","sequence":"first","affiliation":[{"name":"Faculty of Computer and Engineering Sciences, Innopolis University, Innopolis, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6828-3308","authenticated-orcid":false,"given":"Nikola","family":"Zlatanov","sequence":"additional","affiliation":[{"name":"Faculty of Computer and Engineering Sciences, Innopolis University, Innopolis, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6734-0179","authenticated-orcid":false,"given":"Alexey","family":"Frolov","sequence":"additional","affiliation":[{"name":"Center for Next Generation Wireless and IoT, Skolkovo Institute of Science and Technology, Moscow, Russia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1807-5487","authenticated-orcid":false,"given":"Manjesh Kumar","family":"Hanawal","sequence":"additional","affiliation":[{"name":"Department of IEOR, IIT Bombay, Mumbai, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.001.2200259"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2022.3158894"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2024.3398770"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2024.3424244"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2016.2515122"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2025.3553905"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2024.3384456"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2022.3222198"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/OJCOMS.2025.3583091"},{"key":"ref10","volume-title":"6G Near-Field Technologies White Paper: Delay-Phase Hybrid Beamforming Architectures in Near-Field","year":"2024"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2024.3370832"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1049\/cje.2022.00.309"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2024.3475884"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2014.2334278"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2014.011714.130846"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2017.1600400"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2016.2523903"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2893632"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2016.2601299"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2020.3018548"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1515\/9781400830244"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1017\/9781009166164"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2025.3578561"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1137\/S0895479895290954"},{"key":"ref25","article-title":"First-order methods for geodesically convex optimization","author":"Zhang","year":"2016","journal-title":"arXiv:1602.06053"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-46128-1_50"},{"key":"ref27","article-title":"A block coordinate descent method for nonsmooth composite optimization under orthogonality constraints","author":"Yuan","year":"2024","journal-title":"arXiv:2304.03641"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1137\/120891009"}],"container-title":["IEEE Open Journal of the Communications Society"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx8\/8782661\/11343983\/11339963.pdf?arnumber=11339963","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T21:01:53Z","timestamp":1769202113000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/11339963\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026]]},"references-count":28,"URL":"https:\/\/doi.org\/10.1109\/ojcoms.2026.3651840","relation":{},"ISSN":["2644-125X"],"issn-type":[{"value":"2644-125X","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026]]}}}