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Table 4 Performances of different attention module options

From: Spatial attention and quantization-based contrastive learning framework for mmWave massive MIMO beam training

Number of attention modules

Total parameters

Success rate (%)

Achievable rate

1

31.0K

76.9

6.43

2

34.4K

95.1

7.37

4

41.0K

95.5

7.36

6

47.7K

95.5

7.36

8

54.3K

95.9

7.38