06 GSM Link Balance and Coverage Distance Estimation Tools

GSM Link Balance and Coverage Distance Estimation Tools V2.1 Descriptions: 1.Applicable for 800M/900M/1800M network 2. Enhance the association of related parameters and reduce the user input 3. Add link prediction and coverage estimation when the tower amplification is used. 4.Modify the Propagation model function 1/5/2005

GSM link balance and coverage distance Estimation tools System scenario

Clutter scenario

1 2

Frequency Band Environment

Indoor TRUE Water FALSE

TMA FALSE

DL BTS max. transimt power (dBm) BTS combiner loss (dB)

46.00

+

4.1

-

7/8 feeder length (m)

35.00

5/4 feeder lenght(m)

0.00

1/2 jumper length (m)

0.00

feeder connector loss (dB)

0.20

BTS feeder and connector loss (dB)

1.61

-

BTS antenna gain (dBi)

19.00

+

Effective Radiated Power EIRP(dBm)

59.29

e=a-b-c+d

-104

f

MS sensitivity (dBm)

Noise correction (dB)

2.00

g

Actual environment sensitivity (dB)

-102.00

h=f+g

Max. path loss (dB)

161.29

I=e-h

3.00

-

Body loss Std. Dev. Of Slow Fading(dB) Expected area coverage probability Corresponding edge coverage probability Expected shadow fading margin (dB)

8.00 1300% 91% 10.7

-

20

-

Allowed DL Propagation loss (dB)

127.56

m=I-j-k-l

Allowed Propagation loss satisfying link balance (dB)

127.56

Clutter loss (dB)

MS antenna height (m) BTS antenna height (m) Twice environment correction (dB) Coverage radius (km)

1.5 40 0 1.16

d coverage distance Estimation tools Legend

Clutter scenario In Car FALSE

Set by User

Dense Tree FALSE

Derived value

Outdoor FALSE

Result value

UL MS max. transimt power (dBm) BTS combiner loss (dB)

33

a

0

b

7/8 feeder length (m)

35.00

5/4 feeder lenght(m)

0.00

1/2 jumper length (m)

0.00

feeder connector loss (dB)

0.20

BTS feeder and connector loss (dB) BTS antenna gain (dBi) BTS antenna diversity gain (dB) BTS sensitivity (dBm)

Noise correction (dB)

1.61

c

19.00

d

3.00

e

-112.50 2.00

Actual environment sensitivity (dB)-110.50

f

Max. path loss (dB)

I=a-b-c+d+e-f

Body loss Std. Dev. Of Slow Fading(dB) Expected area coverage probability Corresponding edge coverage probability Expected shadow fading margin (dB) Clutter loss (dB) Allowed DL Propagation loss (dB)

163.89 3.00

j

8.00 1300% 91% 10.7

k

20

l

130.16

m=I-j-k-l

Expected coverage area dimension（km2） Site type Cell radius（km） Cell dimenstion（km2） Expected BTS number

500 2 1.16 2.64 189.21

three-sector BTS

cell coverage radius R，BTS distance D=1.5R single-site coverage dimension 1.949R*R

omnidirectional BTS

cell radius R，BTS distance D=1.7 single-site coverage dimension 2.59

omnidirectional BTS

cell radius R，BTS distance D=1.732R single-site coverage dimension 2.598R*R

Environment-Loss-Std.Dev fre.band Environment

Penetration Loss (dB)

Std. Dev. Of Slow Fading(dB)

900MHZ

Dense Urban

25

8

1800MHZ

Urban

20

8

800MHZ

SubUrban Rural Area(Semi-open Area) High Way(Open Area)

15

8

Site Type

8

7

3

4

omnidirectional three-sector

Clutter

six-sector

Clutter Type In Building In Car

Penetration Loss (dB) refer to C5~C9 10

Dense Trees

13

Water

-3

outdoor

3

Area coverage probability to edge coverage probability

50%

60%

75%

80%

Dense Urban

20%

30%

49%

57%

Urban

20%

30%

49%

57%

SubUrban

20%

30%

49%

57%

Rural Area

17%

27%

46%

54%

High Way

6%

14%

32%

50%

50%

60%

75%

80%

Dense Urban

-6.7

-4.2

-0.1

1.4

Urban

-6.7

-4.2

-0.1

1.4

Area coverage probability to expected shadow fading margin

SubUrban

-6.7

-4.2

-0.1

1.4

Rural Area

-6.6

-4.3

-0.6

0.8

High Way

-6.1

-4.4

-1.8

0

Cable loss

900MHZ 7/8 FeederdB/100m)

4.03

2000MHZ 6.46

450MHZ 2.7

1800MHZ 5.87

5/4 Feeder(dB/100m)

2.98

4.77

1.9

4.31

1/2 Jumper(dB/100m)

11.2

17.7

7.6

16.1

Probability

50% 60% 75% 80% 85% 90%

Site Type

91% 92% 93%

omnidirectional

94% 95% 96% 97% 98% 99% 100%

85%

90%

91%

92%

93%

94%

95%

96%

97%

98%

99%

100% 其它

66%

75%

77%

79%

81%

84%

86%

89%

91%

94%

97%

100%

66%

75%

77%

79%

81%

84%

86%

89%

91%

94%

97%

100%

66%

75%

77%

79%

81%

84%

86%

89%

91%

94%

97%

100%

63%

73%

76%

78%

80%

82%

85%

88%

90%

93%

96%

100%

51%

64%

66%

69%

72%

75%

79%

82%

86%

90%

95%

100%

85%

90%

91%

92%

93%

94%

95%

96%

97%

98%

99%

100% 其它

3.2

5.5

5.9

6.5

7.2

7.9

8.6

9.6

10.7

12.2

14.6

21.3

3.2

5.5

5.9

6.5

7.2

7.9

8.6

9.6

10.7

12.2

14.6

21.3

3.2

5.5

5.9

6.5

7.2

7.9

8.6

9.6

10.7

12.2

14.6

21.3

2.4

4.3

4.8

5.4

5.9

6.5

7.2

8.1

9.1

10.4

12.3

19.2

0.1

1.4

1.7

2

2.4

2.8

3.2

3.7

4.3

5.1

6.5

10.4

Watt to DB watt 20

dB dBm 13.0103 43.0103

mWatt dBm 1000

30

Watt 20

mWatt 20000