Electrical Antenna Downtilt In Umts Network
Páginas: 2 (458 palabras)
Publicado: 20 de noviembre de 2012
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DL load
DLload
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0.9 0.95 0.8 0.9 0.7
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DL load
1
Service Propability
0.85
0.6
1 ! 1 J0.8
0.5
0.4 0.75 0.3 0.7 0.2 0.65 SP Low Load SP High Load 0.6 0 2 4 6 8 Tilt Angle [degree] 10 DL Load Low DL Load High 12 0 14
0.1
1
100
6
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1 0 &
2 !%5 62&
95
!
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90
Service Probability [%]
85
1
1
0.9 0.95 0.8 0.9 0.7
80
75
70
Service Propability
0.85
0.6
65
0.8
0.5
25m 0°tilt 35m 0°tilt 45m0°tilt 25m Optimum tilt 35m Optimum tilt 45m Optimum tilt 2 Site Spacing [km] 2.5
DL load
0.4 0.75 0.3 0.7 0.2 0.65 SP Low Load SP High Load 0.6 0 2 4 6 8 Tilt Angle [degree] 10 DL Load Low DLLoad High 12 0 14
60 1.5
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DL load
DLload
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1
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0.9 0.95 0.8 0.9 0.7
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DL load
1
Service Propability
0.85
0.6
1 ! 1 J0.8
0.5
0.4 0.75 0.3 0.7 0.2 0.65 SP Low Load SP High Load 0.6 0 2 4 6 8 Tilt Angle [degree] 10 DL Load Low DL Load High 12 0 14
0.1
1
100
6
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0 0 ,
1 0 &
2 !%5 62&
95
!
!
90
Service Probability [%]
85
1
1
0.9 0.95 0.8 0.9 0.7
80
75
70
Service Propability
0.85
0.6
65
0.8
0.5
25m 0°tilt 35m 0°tilt 45m0°tilt 25m Optimum tilt 35m Optimum tilt 45m Optimum tilt 2 Site Spacing [km] 2.5
DL load
0.4 0.75 0.3 0.7 0.2 0.65 SP Low Load SP High Load 0.6 0 2 4 6 8 Tilt Angle [degree] 10 DL Load Low DLLoad High 12 0 14
60 1.5
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