1. P. Bahl, V. Padmanabhan, RADAR: An in-building RF-based user location and tracking system, in: Proc. 19th IEEE International Conference on Computer Communications, INFOCOM, Vol. 2, March 2000, pp. 775–784.
2. Enhancements to the RADAR user location and tracking system. Technical Report MSR-TR-2000-12;Bahl,2000
3. IEEE standard, 802-11.1997, IEEE Standard for Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specification. Approved 26 June 1997.
4. IEEE Std. 802.11a, Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: High-speed Physical Layer in the 5 GHz Band, IEEE Standard, September 1999.
5. F. Li, C. Zhao, G. Ding, J. Gong, C. Liu, F. Zhao, A reliable and accurate indoor localization method using phone inertial sensors, in: Proc. of the 14th International Conference on Ubiquitous Computing, UbiComp 2012, 2012, pp. 421–430.