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Table 4 The variance for BEM-based channel estimation methods in different taps

From: EKF/UKF-based channel estimation for robust and reliable communications in V2V and IIoT

Number of taps LS EKF UKF
3 9.4563e −04 7.9185e −04 6.5175e −04
6 4.6187e −04 3.8377e −04 3.3921e −04
9 5.4519e −04 4.3288e −04 3.3844e −04
12 5.7751e −04 2.8968e −04 2.5852e −04
15 3.4490e −04 1.4435e −04 1.3037e −04
18 4.4029e −04 1.8785e −04 1.8235e −04