{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T16:05:01Z","timestamp":1784217901626,"version":"3.55.0"},"reference-count":44,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"2","license":[{"start":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T00:00:00Z","timestamp":1622505600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61625101"],"award-info":[{"award-number":["61625101"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61829101"],"award-info":[{"award-number":["61829101"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61941101"],"award-info":[{"award-number":["61941101"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"NSF","doi-asserted-by":"publisher","award":["EARS-1839818"],"award-info":[{"award-number":["EARS-1839818"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"NSF","doi-asserted-by":"publisher","award":["CNS- 1717454"],"award-info":[{"award-number":["CNS- 1717454"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"NSF","doi-asserted-by":"publisher","award":["CNS-1731424"],"award-info":[{"award-number":["CNS-1731424"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000001","name":"NSF","doi-asserted-by":"publisher","award":["CNS-1702850"],"award-info":[{"award-number":["CNS-1702850"]}],"id":[{"id":"10.13039\/100000001","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Cogn. Commun. Netw."],"published-print":{"date-parts":[[2021,6]]},"DOI":"10.1109\/tccn.2021.3058683","type":"journal-article","created":{"date-parts":[[2021,2,13]],"date-time":"2021-02-13T01:47:28Z","timestamp":1613180848000},"page":"412-426","source":"Crossref","is-referenced-by-count":172,"title":["Beyond Cell-Free MIMO: Energy Efficient Reconfigurable Intelligent Surface Aided Cell-Free MIMO Communications"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8912-7942","authenticated-orcid":false,"given":"Yutong","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3484-1361","authenticated-orcid":false,"given":"Boya","family":"Di","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3393-8612","authenticated-orcid":false,"given":"Hongliang","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinlong","family":"Lin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9171-2596","authenticated-orcid":false,"given":"Chenren","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6608-1267","authenticated-orcid":false,"given":"Daqing","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7702-1123","authenticated-orcid":false,"given":"Yonghui","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lingyang","family":"Song","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.2973073"},{"key":"ref38","first-page":"21","volume":"7","author":"petersen","year":"2008","journal-title":"The Matrix Cookbook"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2004.840638"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.23919\/ICACT.2019.8702035"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2017.2694431"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/TGCN.2017.2770215"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1137\/1.9780898718829"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1214\/aoms\/1177729698"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2018.2812733"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1007\/s10957-007-9199-8"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TCCN.2020.2992604"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9780511807213"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2927213"},{"key":"ref12","article-title":"Decentralized beamforming design for intelligent reflecting surface-enhanced cell-free networks","author":"huang","year":"2020","journal-title":"IEEE Wireless Commun Lett"},{"key":"ref13","author":"huang","year":"2020","journal-title":"Hybrid beamforming for RIS-empowered multi-hop Terahertz communications A DRL-based method"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.2990766"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/ICCWorkshops49005.2020.9145189"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007039"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/ICC40277.2020.9149380"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2922609"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2016.2520912"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1038\/lsa.2014.99"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/ICCWorkshops49005.2020.9145164"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007041"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/ACSSC.2015.7421222"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1186\/s13638-019-1438-9"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1038\/srep06693"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2655515"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.001.1900534"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007055"},{"key":"ref2","first-page":"165","article-title":"Machine learning for 5G and beyond: From model-based to data-driven mobile wireless networks","volume":"16","author":"wang","year":"2019","journal-title":"China Commun"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1007\/s11432-016-0278-5"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.001.2000142"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000813"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.3024756"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2020.3025345"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.2019.8683663"},{"key":"ref42","article-title":"Study on channel model for frequencies from 0.5 to 100 GHz (release 14)","year":"2018"},{"key":"ref23","author":"chen","year":"2019","journal-title":"Channel estimation for reconfigurable intelligent surface aided multi-user MIMO systems"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2012.051512.120241"},{"key":"ref26","author":"wei","year":"2020","journal-title":"Channel estimation for ris-empowered multiuser miso wireless communications"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2016.2544498"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007057"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2020.3043132"}],"container-title":["IEEE Transactions on Cognitive Communications and Networking"],"original-title":[],"link":[{"URL":"https:\/\/ieeexplore.ieee.org\/ielam\/6687307\/9448571\/9352948-aam.pdf","content-type":"application\/pdf","content-version":"am","intended-application":"syndication"},{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6687307\/9448571\/09352948.pdf?arnumber=9352948","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:54:04Z","timestamp":1652194444000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9352948\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,6]]},"references-count":44,"journal-issue":{"issue":"2"},"URL":"https:\/\/doi.org\/10.1109\/tccn.2021.3058683","relation":{},"ISSN":["2332-7731","2372-2045"],"issn-type":[{"value":"2332-7731","type":"electronic"},{"value":"2372-2045","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,6]]}}}