Ze Li 0003 Zengshan Tian Mu Zhou Zhenyuan Zhang Yue Jin An accurate and robust environment sensing algorithm for enhancing indoor localization. 244-249 2018 INFOCOM Workshops https://doi.org/10.1109/INFCOMW.2018.8406962 conf/infocom/2018w db/conf/infocom/infocom2018w.html#LiTZZJ18