M. H. Kabir and R. Kohno, “A Hybrid TOA Fingerprinting Based Localization of Mobile Nodes Using UWB Signaling for Non Line-Of-Sight Conditions,” Sensors, Vol. 12, No. 8, 2012, pp. 11187-11204. doi:10.3390/s120811187
 S. G. Razul, C.-H. Lim and C.-M. S. See, “Bayesian Method for NLOS Mitigation in Single Moving Sensor Geo-Location,” Signal Processing, Vol. 91, No. 7, 2011, pp. 1613-1621. doi:10.1016/j.sigpro.2011.01.005
 S. Dayekh, S. Affes, N. Kandil and C. Nerguizian, “Cooperative Geo-Location in Underground Mines: A Novel Fingerprint Positioning Technique Exploiting Spatio-Temporal Diversity,” Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC) 2011, Toronto, 11-14 September 2011, pp. 1319-1324.
 G. Ding, Z. Tan, L. Zhang, Z. Zhang and J. Zhang, “Hybrid TOA/AOA Cooperative Localization in Non-Line-of-Sight Environments,” Proceedings of the IEEE Vehicular Technology Conference (IEEE VTC 2012 Spring), Yokohama, 6-9 May 2012, pp. 1-5.
 C. Mensing and S. Plass, “Positioning Algorithms for Cellular Networks Using TDOA,” Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing, Toulouse, 14-19 May 2006, pp. 1-4.
 D. Akbarov, H. Choi, Y. Park, G. Han and J. Moon, “Hybrid Pattern Matching/TDOA Positioning Method for CDMA Networks,” Proceeding of the 4th Workshop on Positioning, Navigation and Communication (WPNC), Hannover, 22 March 2007, pp. 199-203. doi:10.1109/WPNC.2007.353634
 J. Diskin and C. Brennan, “Accelerated Ray-Tracing for Indoor Ultra-Wideband Propagation Modeling,” Proceedings of the IEEE Vehicular Technology Conference (VTC), Dublin, 22-25 April 2007, pp. 418-422.
 K. R. Schaubach, N. J. Davis and T. S. Rappaport, “A Ray Tracing Method for Predicting Path Loss and Delay Spread in Microcellular Environments,” Proceedings of the IEEE Vehicular Technology Conference (VTC), Denver, 10-13 May 1992, pp. 932-935.
 G. L. Turin, F. D. Clapp, T. L. Johnston, S. B. Fine and D. Lavry, “A Statistical Model of Urban Multipath Propagation,” IEEE Transactions on Vehicular Technology, Vol. 21, No. 1, 1972, pp. 1-9. doi:10.1109/T-VT.1972.23492
 W. Q. Malik and B. Allen, “Wireless Sensor Positioning with Ultra Wideband Fingerprinting,” The 1st European Conference on Antennas and Propagation (EuCAP 2006), Nice, 6-10 November 2006, pp. 1-5.
 D. W. Marquardt, “An Algorithm for Least-Squares Estimation of Nonlinear Parameters,” Journal of the Society for Industrial and Applied Mathematics, Vol. 11, No. 2, 1963, pp.431-441. doi:10.1137/0111030
 K. Madsen, H. B. Nielsen and O. Tingleff, “Methods for Non-Linear Least Squares Problems,” 2nd Edition, Lecture Notes, Informatics and Mathematical Modelling, Technical University of Denmark, Lyngby, 2004, p. 25.
 M. H. Kabir and R. Kohno, “A Hybrid Positioning Approach by UWB Radio Communication Systems for Non Line-Of-Sight Conditions,” Proceedings of the IEEE Global Communications Conference (GLOBECOM) 2011, Houston, 5-9 December 2011, pp. 1-5.