@article{GUAN Ming-xiang:48,
author = {[GUAN Ming-xiang, GUO Qing, WANG Le]},
title = {Multi-Layer Ring Cellular Structure for HAPS Communication},
publisher = {Journal of Beijing University of Posts and Telecommunications},
year = {2014},
journal = {Journal of Beijing University of Posts and Telecommunications},
volume = {37},
number = {2},
eid = {48},
pages = {48-52},
keywords = {<p>high altitude platform stations;cellular structure;beam forming;multi-layer</p>},
doi = https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2014.02.011
}