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Table 2 The mean, standard deviation, minimum, and maximum values of root mean square delay spread for different frequencies and co-polarizations in both line of sight and non-line of sight environments

From: Wideband UHF and SHF long-range channel characterization

RMS delay

       

Route

Env.

Freq.

Pol.

μ [ns]

σ [ns]

Min [ns]

Max [ns]

R1

LOS

1.3 GHz

H-H

16.61

0.75

15.11

18.42

   

V-V

27.99

2.50

23.18

32.58

  

5.8 GHz

H-H

11.87

0.20

11.53

12.21

   

V-V

16.14

0.25

15.82

16.62

R2

NLOS

1.3 GHz

H-H

76.39

9.03

52.99

99.70

   

V-V

90.15

9.62

77.44

104.82

  

5.8 GHz

H-H

51.38

2.75

46.43

60.67

   

V-V

78.58

2.76

72.15

87.63

R3

 

1.3 GHz

H-H

148.19

35.69

95.21

215.39

   

V-V

143.40

4.07

137.24

151.27

  

5.8 GHz

H-H

173.96

3.95

157.70

189.54

   

V-V

168.32

1.48

163.33

176.58

R4

 

1.3 GHz

H-H

91.67

10.67

66.85

119.73

   

V-V

109.81

18.05

78.73

147.76

  

5.8 GHz

H-H

67.25

12.70

44.12

89.91

   

V-V

90.97

8.49

70.44

119.11