1. Indoor wi-fi positioning: techniques and systems;Lassabe;Springer Ann Telecommun,2009
2. Fang S, Lin T. A novel algorithm for multipath fingerprinting in indoor wlan environments. IEEE Trans Wireless Commun; 9, 2008.
3. A ranging system with ieee 802.11 data frames;Ciurana,2007
4. Liu H, Darabi H. Survey of wireless indoor positioning techniques and systems. IEEE Trans Syst Man Cybernet; 37, 2007.
5. Kirshnakumar A, Krishnan P. The theory and practice of signal strength based location estimation. Collaborative Computing: Networking, Applications and Worksharing, 2005.