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Table 5 Different approaches in approximations of the real traffic pattern

From: Impact of service rates and base station switching granularity on energy consumption of cellular networks

Traffic approximation with 7 time periods

Traffic approximation with 24 time periods

Time period t for f A7 (t)

T t (h)

Tt+1 (h)

∆T t = Tt+1 – T t (h)

% of active users (TCs) working day

% of active users (TCs) weekend day

Time period t (hh–hh) for f A24 (t)

% of active users (TCs) f A24 (t)

Time period t (hh–hh) for f A24 (t)

% of active users (TCs)

Time period t (hh–hh) for f A24 (t)

% of active users (TCs)

1 (8)

00

07

7

20

10

1 (00–01)

28

9 (08–09)

18

17 (16–17)

85

2 (9)

07

10

3

30

20

2 (01–02)

18

10 (09–10)

29

18 (17–18)

75

3 (10)

10

13

3

70

40

3 (02–03)

8

11 (10–11)

42

19 (18–19)

65

4 (11)

13

15

2

90

65

4 (03–04)

4

12 (11–12)

52

20 (19–20)

60

5 (12)

15

17

2

100

60

5 (04–05)

2

13 (12–13)

62

21 (20–21)

68

6 (13)

17

20

3

75

65

6 (05–06)

2

14 (13–14)

72

22 (21–22)

56

7 (14)

20

24

4

60

55

7 (06–07)

4

15 (14–15)

82

23 (22–23)

44

/

/

/

/

/

/

8 (07–08)

8

16 (15–16)

95

24 (23–00)

34