Table 5 Presents a comparison of different network model structures.

From: A complex-valued convolutional fusion-type multi-stream spatiotemporal network for automatic modulation classification

Model

Details

Input

Convolution layers

Kernel size

LSTM layers

Bi-LSTM layers

GRU

Dense

Parameter

CNN2

CNN

I/Q

4

8 × 2,8 × 2,8 × 2,8 × 2

0

0

0

2

858,123

CLDNN2

CNN+

LSTM

I/Q

4

3 × 1,3 × 2,3 × 1,3 × 1

1

0

0

2

517,443

ResNET

ResNET

I/Q

4

3 × 1,3 × 2,3 × 1,3 × 1

0

0

0

2

3,098,283

LSTM

LSTM

I/Q

0

0

1

0

0

1

200,075

PET-CGDNN

CNN + GRU + DNN

I、Q and I/Q

2

2 × 8,1 × 5

0

0

1

1

71,871

MCLDNN

CNN + LSTM

I、Q and I/Q

5

8 × 2,7,7,8 × 1,5 × 2

2

0

0

3

405,175

CC-MSNet

CNN+

LSTM+

Bi-LSTM

I、Q and I/Q

I(3 Layers)

Q(3 Layers)

I/Q(3 Layers)

I/Q(1 Layers)

2,4,8

2,4,8

(2,1),(1,3),(1,3)

Complex-Convolution(2,3)

(9,5)

1

1

0

2

654,687