RT Journal T1 Mobility management of the 6G satellite IoT:challenges and key techniques A1 Weigang BAI,Min SHENG,Panpan DU PB Chinese Journal on Internet of Things FD 2020-03-30 YR 2020 JF Chinese Journal on Internet of Things JO Chinese Journal on Internet of Things VO 4 IS 1 SP 104 DO 10.11959/j.issn.2096-3750.2020.00149 K1 ;6G;satellite Internet of things (SIoT);mobility management LK {http://www.infocomm-journal.com/wlw/EN/article/article_170029.shtml}