Download - PLATE 3 - Path Profile Narrative)
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COMMUNICATIONS 4 DESIGN
PLATE # 3
(Path Profile)
Submitted by:
CHAVEZ, Daryl
DADOR, Judy Anne
HAYAG, Abegayle
RABINO, Michael
TOLENTINO, Paul Jason
Engr. Marloun P. Sejera
Instructor
May 22, 2012
Date Submitted
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Average k, kave:
() () () () ()
Earth Bulge, eb:
()()()
Total Elevation, ET:
First Fresnel Radius, H1: ()()()()
Tower Height, T1and T2: assume that T1= T2
( ) () ( ) Height, h1and h2:
Line of Sight, LOS:
( ) ( )
Lower Fresnel, Lf:
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Upper Fresnel, Uf:
Graph:
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HOP 2: Victoria Repeater to Pinamalayan Repeater
Link Distance: 23 km Operating Frequency: 8.6 GHz
LINK PROFILE
HOP 2: Victoria Repeater to Pinamalayan Repeater
Sample Computations:
At highest obstruction,
Given: d1 = 10km
d2 = 13km
elevation (E) = 30m
k-factor (k) = 1.1650
tree growth (tg) = 15m
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Average k, kave:
() () () () () ()
Earth Bulge, eb:
()()()
Total Elevation, ET:
First Fresnel Radius, H1: ()()()()
Tower Height, T1and T2: assume that T1= T2
( ) () ( ) Height, h1and h2:
Line of Sight, LOS:
( ) ( )
Lower Fresnel, Lf:
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Upper Fresnel, Uf:
Graph:
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HOP 3: Pinamalayan Repeater to Salcedo Repeater
Link Distance: 30 km Operating Frequency: 8.6 GHz
LINK PROFILE
HOP 3: Pinamalayan Repeater to Salcedo Repeater
Sample Computations:
At highest obstruction,
Given: d1 = 20km
d2 = 10km
elevation (E) = 10m
k-factor (k) = 0.7500
tree growth (tg) = 15m
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Average k, kave:
() () () ()
Earth Bulge, eb:
()()()
Total Elevation, ET:
First Fresnel Radius, H1: ()()()()
Tower Height, T1and T2: assume that T1= T2
( ) () ( ) Height, h1and h2:
Line of Sight, LOS:
( ) ( )
Lower Fresnel, Lf:
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Upper Fresnel, Uf:
Graph:
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HOP 4: Salcedo Repeater to Roxas Base Station
Link Distance: 24 km Operating Frequency: 8.6 GHz
LINK PROFILE
HOP 4: Salcedo Repeater to Roxas Base Station
Sample Computations:
At highest obstruction,
Given: d1 = 18km
d2 = 6km
elevation (E) = 10m
k-factor (k) = 0.7500
tree growth (tg) = 15m
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Average k, kave:
() () () () () ()
Earth Bulge, eb:
()()()
Total Elevation, ET:
First Fresnel Radius, H1: ()()()()
Tower Height, T1and T2: assume that T1= T2
( ) () ( ) Height, h1and h2:
Line of Sight, LOS:
( ) ( ) Lower Fresnel, Lf:
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Upper Fresnel, Uf:
Graph:
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Tabulated Summary
Site Computed Value Recommended ValueParang Base Station 20 m 20 m
Victoria Repeater 20 m 50 m 50 m
Pinamalayan Repeater 50 m 55 m 55 m
Salcedo Repeater 55 m 35 m 55 m
Roxas Base Station 35 m 35 m