@月冷大学 Mechanism identified by polarization properties Scatter plot of the estimated cross-polarization discrimination (XPD)of the individual paths: 30 7,E G刃 25 55E3F 4,E 20 6,Ex 1,E (G2a) 25,TF 16, 网 fe.I in dB 10 11,FR 14,F× 13,T 8,F9,FR ×15,T 17T 23,TW 19TFB× 20,FF 21,T -5 ×10,T 22,S *24,SF 5 0 5 10 15 20 25 30 f.in dB 2 12 ■fe,1=ae,1,1/ae2,1 and fe,2=d0,2,2/ae,1,21 The symbols denote the types of scatterers identified along the paths:facade(F),roof (R),edge(E)of buildings as well as tree (T),sculpture (S),and wall (W) Graduate course:Propagation Channel Characterization,Parameter Estimation and Modeling 61/199Mechanism identified by polarization properties Graduate course: Propagation Channel Characterization, Parameter Estimation and Modeling 61 / 199 Scatter plot of the estimated cross-polarization discrimination (XPD) of the individual paths: rˆℓ,1 in dB rˆℓ,2 in dB ■ rˆℓ, 1 =  αˆℓ, 1,1 / αˆℓ, 2,1   2 and rˆℓ, 2 =  αˆℓ, 2,2 / αˆℓ, 1,2   2 ■ The symbols denote the types of scatterers identified along the paths: facade (F), roof (R), edge (E) of buildings as well as tree (T), sculpture (S), and wall (W)