{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T03:21:38Z","timestamp":1771471298607,"version":"3.50.1"},"reference-count":44,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"11","license":[{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,11,1]],"date-time":"2021-11-01T00:00:00Z","timestamp":1635724800000},"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. Commun."],"published-print":{"date-parts":[[2021,11]]},"DOI":"10.1109\/tcomm.2021.3088517","type":"journal-article","created":{"date-parts":[[2021,6,11]],"date-time":"2021-06-11T19:37:16Z","timestamp":1623440236000},"page":"7470-7488","source":"Crossref","is-referenced-by-count":20,"title":["Exploiting Underlay Spectrum Sharing in Cell-Free Massive MIMO Systems"],"prefix":"10.1109","volume":"69","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9644-9547","authenticated-orcid":false,"given":"Diluka Loku","family":"Galappaththige","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8871-3923","authenticated-orcid":false,"given":"Gayan Amarasuriya Aruma","family":"Baduge","sequence":"additional","affiliation":[]}],"member":"263","reference":[{"key":"ref39","doi-asserted-by":"publisher","DOI":"10.1109\/TNET.2003.818196"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2672540"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3018836"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/TGCN.2019.2908228"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2950316"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/ISWCS.2012.6328481"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2020.2987311"},{"key":"ref36","author":"kay","year":"1993","journal-title":"Fundamentals of Statistical Signal Processing Estimation Theory"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/LSP.2016.2543025"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9781316799895"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2018.2867606"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1109\/TNET.2007.896231"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2017.2745578"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2018.2841375"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2018.2873394"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000826"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/SPAWC.2014.6941319"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2011.110608"},{"key":"ref17","article-title":"A survey on user-centric cell-free massive MIMO systems","author":"chen","year":"2021","journal-title":"arXiv 2104 13667"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2018.2799934"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2948841"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2016.7510899"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2014.6736761"},{"key":"ref27","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2017.2687898"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2010.092810.091092"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1016\/j.dsp.2019.06.007"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/TCCN.2018.2794392"},{"key":"ref5","year":"2020","journal-title":"Sprint unveils six 5G-ready cities significant milestone toward launching first 5G mobile network in the U S"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2655515"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/SPAWC.2015.7227028"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/ICC40277.2020.9149105"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2698449"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/ICC.2019.8761777"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2009.2015717"},{"key":"ref22","doi-asserted-by":"publisher","DOI":"10.1109\/JSYST.2015.2449289"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1109\/TCCN.2018.2877998"},{"key":"ref42","doi-asserted-by":"publisher","DOI":"10.1109\/MSP.2014.2330661"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/TGCN.2020.2965116"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/TMC.2017.2698469"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/TCCN.2018.2860021"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.1017\/CBO9780511470936"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2020.2966195"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/GLOCOM.2016.7841875"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2019.2908346"}],"container-title":["IEEE Transactions on Communications"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/26\/9618670\/09452050.pdf?arnumber=9452050","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T14:48:42Z","timestamp":1652194122000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9452050\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,11]]},"references-count":44,"journal-issue":{"issue":"11"},"URL":"https:\/\/doi.org\/10.1109\/tcomm.2021.3088517","relation":{},"ISSN":["0090-6778","1558-0857"],"issn-type":[{"value":"0090-6778","type":"print"},{"value":"1558-0857","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,11]]}}}