{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T14:25:16Z","timestamp":1767968716808,"version":"3.49.0"},"reference-count":18,"publisher":"IEEE","license":[{"start":{"date-parts":[[2021,7,28]],"date-time":"2021-07-28T00:00:00Z","timestamp":1627430400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/ieeexplore.ieee.org\/Xplorehelp\/downloads\/license-information\/IEEE.html"},{"start":{"date-parts":[[2021,7,28]],"date-time":"2021-07-28T00:00:00Z","timestamp":1627430400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,7,28]],"date-time":"2021-07-28T00:00:00Z","timestamp":1627430400000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Science Foundation of China (NSFC)","doi-asserted-by":"publisher","award":["62071044,61827901"],"award-info":[{"award-number":["62071044,61827901"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,7,28]]},"DOI":"10.1109\/iccc52777.2021.9580408","type":"proceedings-article","created":{"date-parts":[[2021,11,8]],"date-time":"2021-11-08T23:22:03Z","timestamp":1636413723000},"page":"700-705","source":"Crossref","is-referenced-by-count":11,"title":["Grant-Free Random Access in Massive MIMO Based LEO Satellite Internet of Things"],"prefix":"10.1109","author":[{"given":"Zhen","family":"Gao","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keke","family":"Ying","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chen","family":"He","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhenvu","family":"Xiao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dezhi","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jun","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2019.2912370"},{"key":"ref11","doi-asserted-by":"publisher","DOI":"10.1109\/WCSP.2019.8928136"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3018807"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2020.2997336"},{"key":"ref14","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3000803"},{"key":"ref15","doi-asserted-by":"publisher","DOI":"10.1109\/TWC.2014.2339330"},{"key":"ref16","article-title":"3GPP TR 38.811 vI5A.0","year":"2020","journal-title":"Non-terrestrial networks channel models"},{"key":"ref17","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2015.2508786"},{"key":"ref18","doi-asserted-by":"publisher","DOI":"10.1109\/LCOMM.2021.3074756"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/JSAC.2020.3019724"},{"key":"ref3","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2017.2735988"},{"key":"ref6","doi-asserted-by":"publisher","DOI":"10.1109\/JIOT.2019.2893376"},{"key":"ref5","doi-asserted-by":"publisher","DOI":"10.1109\/MSP.2018.2844952"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2018.2818082"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2018.2831628"},{"key":"ref2","article-title":"LEO satellite constellations for 5G and beyond: How will they reshape vertical domains ?","author":"liu","year":"0","journal-title":"To Appear in IEEE Commun Mag"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/MWC.2019.1800299"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TSP.2020.2967175"}],"event":{"name":"2021 IEEE\/CIC International Conference on Communications in China (ICCC)","location":"Xiamen, China","start":{"date-parts":[[2021,7,28]]},"end":{"date-parts":[[2021,7,30]]}},"container-title":["2021 IEEE\/CIC International Conference on Communications in China (ICCC)"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx7\/9579484\/9580191\/09580408.pdf?arnumber=9580408","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,5,10]],"date-time":"2022-05-10T16:55:52Z","timestamp":1652201752000},"score":1,"resource":{"primary":{"URL":"https:\/\/ieeexplore.ieee.org\/document\/9580408\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,7,28]]},"references-count":18,"URL":"https:\/\/doi.org\/10.1109\/iccc52777.2021.9580408","relation":{},"subject":[],"published":{"date-parts":[[2021,7,28]]}}}