Table 1 Error probability of angular distribution selection

ESRM

New estimator

True distribution type

K = 0

K = 1

K = 3

K = 5

True K

Known SNR

Est. SNR $({\sigma }_{\epsilon }^2=1)$

Unknown SNR

Gaussian (σ _θ = 1)

0

0

0

0

0.22

0.25

0.26

0.29

Laplacian (σ _θ = 1)

1

1

1

1

0.31

0.30

0.30

0.27

Gaussian (σ _θ = 2)

0

0

0

0

0

0

0

0

Laplacian (σ _θ = 2)

1

1

1

1

0

0.02

0.02

0.02

Gaussian (σ _θ = 3)

x

x

x

x

0

0

0

0

Laplacian (σ _θ = 3)

1

1

1

1

0

0.03

0.03

0.03

Gaussian (σ _θ = 5)

x

x

x

x

0

0.06

0.06

0.47

Laplacian (σ _θ = 5)

x

x

x

x

0.02

0.09

0.11

0.17