{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,5]],"date-time":"2026-03-05T15:58:07Z","timestamp":1772726287062,"version":"3.50.1"},"reference-count":59,"publisher":"Institute of Electrical and Electronics Engineers (IEEE)","issue":"10","license":[{"start":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T00:00:00Z","timestamp":1633046400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,10,1]],"date-time":"2021-10-01T00:00:00Z","timestamp":1633046400000},"content-version":"am","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"}],"funder":[{"DOI":"10.13039\/100004356","name":"Nokia","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004356","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61971313"],"award-info":[{"award-number":["61971313"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IEEE J. Select. Areas Commun."],"published-print":{"date-parts":[[2021,10]]},"DOI":"10.1109\/jsac.2021.3088715","type":"journal-article","created":{"date-parts":[[2021,6,14]],"date-time":"2021-06-14T19:49:40Z","timestamp":1623700180000},"page":"2975-2991","source":"Crossref","is-referenced-by-count":44,"title":["Empirical Low-Altitude Air-to-Ground Spatial Channel Characterization for Cellular Networks Connectivity"],"prefix":"10.1109","volume":"39","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7759-7448","authenticated-orcid":false,"given":"Xuesong","family":"Cai","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomasz","family":"Izydorczyk","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7759-9619","authenticated-orcid":false,"given":"Jose","family":"Rodriguez-Pineiro","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8450-0712","authenticated-orcid":false,"given":"Istvan Zsolt","family":"Kovacs","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2284-1244","authenticated-orcid":false,"given":"Jeroen","family":"Wigard","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando M. L.","family":"Tavares","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0710-8685","authenticated-orcid":false,"given":"Preben E.","family":"Mogensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref39","first-page":"1","article-title":"Angular distribution of cellular signals for UAVs in urban and rural scenarios","author":"izydorczyk","year":"2019","journal-title":"Proc 2nd Eur Conf Antennas Propag (EuCAP)"},{"key":"ref38","doi-asserted-by":"publisher","DOI":"10.1109\/WCSP.2019.8928089"},{"key":"ref33","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2017.2710045"},{"key":"ref32","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2017.2755643"},{"key":"ref31","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2018.2886961"},{"key":"ref30","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2020.3016164"},{"key":"ref37","doi-asserted-by":"publisher","DOI":"10.1109\/ICNSURV.2016.7486380"},{"key":"ref36","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2019.2933173"},{"key":"ref35","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2020.3044077"},{"key":"ref34","doi-asserted-by":"publisher","DOI":"10.1109\/GLOCOM.2016.7842372"},{"key":"ref28","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2019.2961178"},{"key":"ref27","first-page":"147","article-title":"A novel 3D non-stationary UAV-MIMO channel model and its statistical properties","volume":"15","author":"zhu","year":"2018","journal-title":"China Commun"},{"key":"ref29","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2019.2897431"},{"key":"ref2","doi-asserted-by":"publisher","DOI":"10.1109\/MCE.2019.2892278"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/COMST.2016.2560343"},{"key":"ref20","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2926981"},{"key":"ref22","year":"2012","journal-title":"Roadmap for the Integration of Civil Remotely-Piloted Aircraft Systems into the European Aviation System"},{"key":"ref21","doi-asserted-by":"publisher","DOI":"10.1049\/iet-com.2019.1121"},{"key":"ref24","doi-asserted-by":"publisher","DOI":"10.1109\/COMCAS.2017.8244753"},{"key":"ref23","doi-asserted-by":"publisher","DOI":"10.1109\/VTCFall.2017.8288376"},{"key":"ref26","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2020.3028301"},{"key":"ref25","doi-asserted-by":"publisher","DOI":"10.1109\/ICCChinaW.2018.8674482"},{"key":"ref50","doi-asserted-by":"publisher","DOI":"10.1109\/CHINACOM.2007.4469589"},{"key":"ref51","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2018.2878049"},{"key":"ref59","doi-asserted-by":"publisher","DOI":"10.1109\/TCOMM.2020.3001614"},{"key":"ref58","first-page":"552","article-title":"How to quantify multipath separation","volume":"e85 c","author":"steinbauer","year":"2002","journal-title":"IEICE Trans Electron"},{"key":"ref57","doi-asserted-by":"publisher","DOI":"10.1049\/el:20063917"},{"key":"ref56","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2015.2497970"},{"key":"ref55","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2013.2295836"},{"key":"ref54","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2017.2772019"},{"key":"ref53","author":"hastie","year":"2009","journal-title":"The Elements of Statistical Learning Data Mining Inference and Prediction"},{"key":"ref52","doi-asserted-by":"publisher","DOI":"10.1109\/TVT.2017.2787731"},{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/JPROC.2019.2952892"},{"key":"ref11","year":"2020","journal-title":"UAS-UAV"},{"key":"ref40","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.001.1800919"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/CSCN.2018.8581827"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2808998"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/MVT.2020.2980438"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2020.2991658"},{"key":"ref16","doi-asserted-by":"publisher","DOI":"10.1109\/LAWP.2019.2936264"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2018.2841386"},{"key":"ref18","article-title":"A centralized and scalable uplink power control algorithm in low SINR: A case study for UAV communications","author":"cai","year":"2020","journal-title":"arXiv 2008 06369"},{"key":"ref19","doi-asserted-by":"publisher","DOI":"10.1109\/LWC.2020.2997837"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2016.7470933"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/MCOM.2017.1600238CM"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/ICCW.2018.8403631"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2018.1800221"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.3390\/rs9050459"},{"key":"ref49","doi-asserted-by":"publisher","DOI":"10.1109\/VTCF.2006.35"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2017.2688328"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2018.1800023"},{"key":"ref46","doi-asserted-by":"publisher","DOI":"10.1109\/TAP.2020.2996774"},{"key":"ref45","doi-asserted-by":"publisher","DOI":"10.1109\/49.753729"},{"key":"ref48","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2018.2854553"},{"key":"ref47","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.1974.1100705"},{"key":"ref42","year":"2020","journal-title":"Study on Channel Model for Frequencies From 0 5 to 100 GHz"},{"key":"ref41","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2018.2876700"},{"key":"ref44","doi-asserted-by":"publisher","DOI":"10.23919\/EuCAP.2017.7928479"},{"key":"ref43","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2019.2952094"}],"container-title":["IEEE Journal on Selected Areas in Communications"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/49\/9537937\/09454158.pdf?arnumber=9454158","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2021,11,8]],"date-time":"2021-11-08T23:01:06Z","timestamp":1636412466000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9454158\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,10]]},"references-count":59,"journal-issue":{"issue":"10"},"URL":"https:\/\/doi.org\/10.1109\/jsac.2021.3088715","relation":{},"ISSN":["0733-8716","1558-0008"],"issn-type":[{"value":"0733-8716","type":"print"},{"value":"1558-0008","type":"electronic"}],"subject":[],"published":{"date-parts":[[2021,10]]}}}