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Table 1 Comparison of computational time (s) of WMMSE–SDR and FP-SGDA algorithms

From: Information and sensing beamforming optimization for multi-user multi-target MIMO ISAC systems

Number of targets

\(L = 1\)

\(L = 3\)

\(L = 5\)

\(L = 7\)

\(L = 9\)

\(L = 11\)

WMMSE–SDR

\(N_{t} = 10\)

11.151

12.623

14.937

19.783

27.291

39.612

\(N_{t} = 20\)

16.523

18.093

20.140

28.617

40.544

58.592

FP-SGDA

\(N_{t} = 10\)

0.342

0.522

0.872

0.902

1.169

1.262

\(N_{t} = 20\)

0.347

0.981

1.356

1.739

1.982

2.348