Table 7 SNR gain (dB) of the AD for 4-PAM

MI _avg

0.2

0.6

1

1.4

1.8

0.2

0.6

1

1.4

1.8

θ=0, \(\mathbf {P}=\mathbf {I}_{N_{u}}\)

1.84

0.87

0.58

0.38

0.29

2.21

0.97

0.64

0.41

0.21

(MoL,R)_RC

2.86

1.38

0.86

0.63

0.44

2.48

1.10

0.72

0.44

0.26

(SNR,R)_RC

2.32

1.14

0.72

0.48

0.45

3.84

1.71

1.10

0.71

0.39

(MoL+SNR,R)_RC

2.14

1.05

0.67

0.44

0.43

2.48

1.11

0.72

0.44

0.25

(MoL,P)_RC

2.70

1.00

0.45

0.07

−0.29

3.62

1.48

0.85

0.44

0.06

(SNR,P)_RC

2.62

2.16

2.07

2.16

2.74

2.09

1.14

0.85

0.69

0.60

(MoL+SNR,P)_RC

3.05

1.57

1.11

0.85

0.80

3.61

1.58

0.94

0.54

0.22

((SNR,P),(MoL,R))_RC

3.69

2.62

2.37

2.36

2.83

2.11

1.15

0.88

0.69

0.62

((SNR,P), (SNR,R))_RC

3.50

2.55

2.33

2.34

2.82

3.63

1.79

1.29

0.98

0.81

((MoL+SNR,P), (SNR,R))_RC

3.10

1.83

1.45

1.29

1.24

5.16

2.38

1.47

0.87

0.37

((SNR,P), (MoL+SNR,R))_RC

3.47

2.53

2.31

2.32

2.80

2.11

1.15

0.88

0.68

0.62

((MoL,P), (MoL+SNR,R))_RC

3.90

1.57

0.77

0.22

−0.17

4.73

2.11

1.21

0.70

0.23

((MoL+SNR,P), (MoL+SNR,R))_RC

4.28

2.11

1.38

0.96

0.80

4.74

2.16

1.27

0.78

0.33