7/31/2019 PLATE 3 - Path Profile Narrative)

1/14

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

7/31/2019 PLATE 3 - Path Profile Narrative)

2/14

7/31/2019 PLATE 3 - Path Profile Narrative)

3/14

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:

7/31/2019 PLATE 3 - Path Profile Narrative)

4/14

Upper Fresnel, Uf:

Graph:

7/31/2019 PLATE 3 - Path Profile Narrative)

5/14

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

7/31/2019 PLATE 3 - Path Profile Narrative)

6/14

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:

7/31/2019 PLATE 3 - Path Profile Narrative)

7/14

Upper Fresnel, Uf:

Graph:

7/31/2019 PLATE 3 - Path Profile Narrative)

8/14

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

7/31/2019 PLATE 3 - Path Profile Narrative)

9/14

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:

7/31/2019 PLATE 3 - Path Profile Narrative)

10/14

Upper Fresnel, Uf:

Graph:

7/31/2019 PLATE 3 - Path Profile Narrative)

11/14

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

7/31/2019 PLATE 3 - Path Profile Narrative)

12/14

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:

7/31/2019 PLATE 3 - Path Profile Narrative)

13/14

Upper Fresnel, Uf:

Graph:

7/31/2019 PLATE 3 - Path Profile Narrative)

14/14

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