{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,23]],"date-time":"2026-07-23T15:39:39Z","timestamp":1784821179766,"version":"3.55.0"},"reference-count":48,"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":"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"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE Trans. Cogn. Commun. Netw."],"published-print":{"date-parts":[[2021,6]]},"DOI":"10.1109\/tccn.2021.3075413","type":"journal-article","created":{"date-parts":[[2021,4,28]],"date-time":"2021-04-28T19:29:41Z","timestamp":1619638181000},"page":"452-465","source":"Crossref","is-referenced-by-count":79,"title":["Channel Estimation Approach for RIS Assisted MIMO Systems"],"prefix":"10.1109","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6319-3637","authenticated-orcid":false,"given":"Eyad","family":"Shtaiwi","sequence":"first","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"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3112-4885","authenticated-orcid":false,"given":"Sriram","family":"Vishwanath","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Moustafa","family":"Youssef","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed","family":"Abdelhadi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6606-5822","authenticated-orcid":false,"given":"Zhu","family":"Han","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"263","reference":[{"key":"ref39","volume":"169","author":"bhatia","year":"2013","journal-title":"Matrix Analysis"},{"key":"ref38","volume":"2","author":"luenberger","year":"1984","journal-title":"Linear and Nonlinear Programming"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/SAM48682.2020.9104346"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.2973073"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1155\/2017\/2361042"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.117.256103"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1016\/j.amc.2006.07.076"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.2990766"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/GLOBECOM38437.2019.9013288"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2922609"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.001.1900107"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1137\/S089547980342204X"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/OJCOMS.2020.2992791"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.2986438"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.2019.8683663"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/WCSP.2019.8927865"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.3004330"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2020.2981458"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2019.2948632"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007057"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/ISIT44484.2020.9173987"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000813"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/GLOCOM.2018.8647620"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2020.3014820"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1039\/C7TC00548B"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/TCCN.2020.2992604"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/IWAT.2017.7915281"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2936025"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2018.1700659"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3007211"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.001.1900308"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/EuCAP.2012.6206517"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2014.2328098"},{"key":"ref46","author":"chen","year":"2019","journal-title":"Channel estimation for reconfigurable intelligent surface aided multi-user MIMO systems"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2019.2961357"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2005.857046"},{"key":"ref48","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2019.2958916"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/SPAWC.2019.8815412"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.1109\/ICC40277.2020.9148961"},{"key":"ref21","author":"taha","year":"2019","journal-title":"Enabling Large Intelligent Surfaces With Compressive Sensing and Deep Learning"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2017.7996780"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000835"},{"key":"ref41","author":"wei","year":"2020","journal-title":"Channel estimation for ris-empowered multiuser miso wireless communications"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP40776.2020.9053976"},{"key":"ref44","author":"liu","year":"2020","journal-title":"Asymptotic achievability of the CRAM\/ER-RAO lower bound of channel estimation for reconfigurable intelligent surface assisted communication system"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2020.2998357"},{"key":"ref43","author":"shewchuk","year":"1994","journal-title":"An Introduction to the Conjugate Gradient Method Without the Agonizing Pain"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP40776.2020.9053695"}],"container-title":["IEEE Transactions on Cognitive Communications and Networking"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/6687307\/9448571\/09418513.pdf?arnumber=9418513","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:54:05Z","timestamp":1652194445000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9418513\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,6]]},"references-count":48,"journal-issue":{"issue":"2"},"URL":"https:\/\/doi.org\/10.1109\/tccn.2021.3075413","relation":{},"ISSN":["2332-7731","2372-2045"],"issn-type":[{"value":"2332-7731","type":"electronic"},{"value":"2372-2045","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,6]]}}}