Design and implementation of a real time locating system utilizing Wi-Fi signals from iPhones. - Muthusubramanian Bharanidharan; Xue Jun Li; Yunye Jin; Jaya Shankar Pathmasuntharam; Gaoxi Xiao (ICON, 2012)

RSSI Fingerprinting Based iPhone Indoor Localization System Without Apple API. - Xue Jun Li; Muthusubramanian Bharanidharan (Wirel. Pers. Commun., 2020)