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Table 3 Battery life (days) of a gateway node considering various values of T1 and T2

From: Autonomous end-to-end wireless monitoring system for railroad bridges

T1 (hours)

T2 (minutes)

1

2

3

4

6

12

24

1

18.3

18.6

18.7

18.8

18.9

18.9

18.9

2

33.3

34.4

34.7

34.9

35.1

35.3

35.4

3

45.7

47.8

48.6

49.0

49.4

49.8

50.0

5

65.3

69.7

71.3

72.1

73.0

73.9

74.3

10

96.1

106.0

109.8

111.8

113.8

116.0

117.1

15

114.1

128.3

133.9

136.8

139.9

143.2

144.9

20

125.9

143.4

150.4

154.1

158.1

162.2

164.4

30

140.4

162.5

171.5

176.4

181.6

187.1

190.0

60

158.6

187.5

199.6

206.2

213.4

221.0

225.0