@ARTICLE{Hossain_SSD, author={Mahtab Hossain, A.K.M. and Yunye Jin and Wee-Seng Soh and Hien Nguyen Van}, journal={Mobile Computing, IEEE Transactions on}, title={SSD: A Robust RF Location Fingerprint Addressing Mobile Devices' Heterogeneity}, year={2013}, volume={12}, number={1}, pages={65-77},}