Statistical channel parameter estimation 189 10 10 10 ig.7.4 Empirical CCDF of theabso s witho=2°，y=25dB,N=10. 10 Fig.7.5 RMSEEs of the NA estimators versus the input,N=50. Fig.7.6 RMSEEs of the NA estimators versus the true AS,N=50 Statistical channel parameter estimation 189 0 0.2 0.4 0.6 0.8 1 10−3 10−2 10−1 100 z ˆP[ϕ ≥ z] SS-ML DML SML MUSIC Fig. 7.4 Empirical CCDF of the absolute normalization error of the NA estimators with σφ˜ = 2◦ , γ = 25 dB, N = 10. −10 −5 0 5 10 15 20 25 10−1 100 101 102 RMSEE of ˆ¯φ [ o ] γ [dB] SS-ML DML SML MUSIC p CRLB(φ¯) Fig. 7.5 RMSEEs of the NA estimators versus the input SNR γ with σφ˜ = 3◦ , N = 50. 0 1 2 3 4 5 6 7 8 9 10 10−2 10−1 100 101 RMSEE of ˆ¯φ [ o ] SS-ML DML SML MUSIC p CRLB(φ¯) σφ˜ [ ◦ ] Fig. 7.6 RMSEEs of the NA estimators versus the true AS with γ = 10 dB, N = 50