Hsiao-Chen LuWANJIUN LIAO2018-09-102018-09-102009-11http://scholars.lib.ntu.edu.tw/handle/123456789/352146[SDGs]SDG9Joint base station and relay station placement for IEEE 802.16j networksconference paper10.1109/glocom.2009.54260582-s2.0-77951578784