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Table 3 Complexity of the proposed SE-QPTNet, QPTNet, and related works

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

Scheme

Total parameters

Success rate (%)

Achievable rate

SE-QPTNet

34.4K

95.1

7.37

QPTNet

34.4K

92.5

7.24

CNN LSTM [22]

13K

80.4

6.51

LSTM attention [30]

41.9K

87.6

7.11

Spatial attention [37]

48K

83.5

6.80

DNN [21]

186K

50.7

5.38