Qinghua Wang Ilangko Balasingham Miaomiao Zhang Xin Huang Improving RSS-Based Ranging in LOS-NLOS Scenario Using GMMs. 1065-1067 2011 15 IEEE Communications Letters 10 http://dx.doi.org/10.1109/LCOMM.2011.080811.111087 db/journals/icl/icl15.html#WangBZH11