Table 2 The variance for BEM-based channel estimation methods in different velocity
From: EKF/UKF-based channel estimation for robust and reliable communications in V2V and IIoT
Velocities (km/h) | LS | EKF | UKF |
|---|---|---|---|
0 | 6.1436e −05 | 2.4785e −06 | 2.7124e −06 |
30 | 3.9089e −04 | 3.2700e −04 | 2.3728e −04 |
60 | 5.3562e −04 | 3.8719e −04 | 3.1166e −04 |
90 | 3.8699e −04 | 3.6670e −04 | 2.2423e −04 |
120 | 4.1918e −04 | 3.6670e −04 | 2.1158e −04 |
150 | 4.1834e −04 | 3.8870e −04 | 1.4793e −04 |