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Table 5 Co-Simulation and Simulink lags for different channels and multiple-antena systems

From: Performance evaluation of multiple-antenna IEEE 802.11p transceivers using an FPGA-based MIMO vehicular channel emulator

Number

Channel

Software

Co-simulation

Speed

of paths

 

lag (s)

lag (s)

improvement factor

1 (SISO)

Expressway oncoming

44.5096

0.4256

×104.58

 

Urban canyon

70.5096

 

×165.67

 

Expressway

70.5096

 

×165.67

 

Urban canyon oncoming

44.5096

 

×104.58

 

Suburban street

88.5096

 

×208.96

 

Expressway same direction with wall

44.5096

 

×104.58

2 (1×2, 2×1)

Expressway oncoming

44.9184

0.8424

×53.32

 

Urban canyon

70.9184

 

×84.19

 

Expressway

70.9184

 

×84.19

 

Urban canyon oncoming

44.9184

 

×53.32

 

Suburban street

88.9184

 

×105.55

 

Expressway same direction with wall

44.9184

 

×53.32

3 (1×3, 3×1)

Expressway oncoming

45.3272

1.2600

×35.97

 

Urban canyon

71.3272

 

×56.61

 

Expressway

71.3272

 

×56.61

 

Urban canyon oncoming

45.3272

 

×35.97

 

Suburban street

89.3272

 

×70.89

 

Expressway same direction with wall

45.3272

 

×35.97

4 (1×4, 4×1, 2×2)

Expressway oncoming

45.7360

1.6776

×27.26

 

Urban canyon

71.7360

 

×42.76

 

Expressway

71.7360

 

×42.76

 

Urban canyon oncoming

45.7360

 

×27.26

 

Suburban street

89.7360

 

×53.49

 

Expressway same direction with wall

45.7360

 

×27.26

4 (MIMO 2×2)

h 1,1

787.62

4.70

×167.58

 

h 1,2

314.31

3.91

×80.39

 

h 2,1

393.30

3.91

×100.59

 

h 2,2

622.81

4.39

×141.87

16 (4×4)

Expressway oncoming

50.6416

7.49

×6.76

 

Urban canyon

76.6416

 

×10.23

 

Expressway

76.6416

 

×10.23

 

Urban canyon oncoming

50.6416

 

×6.76

 

Suburban street

94.6416

 

×12.64

 

Expressway same direction with wall

50.6416

 

×6.76