Shyam Telecom Inc. R20-1900 Manuel D’Utilisation
Page
All Rights Reserved Shyam Telecom Limited 35/42
Next Generation
Signal Enhancement
Signal Enhancement
4. Review the intended coverage area according to the site installation
plan. Using a mobile NOKIA handset loaded with NET engineering
software and the SIM card of cellular operator, measure and monitor
the signal level at various points within and around the perimeter of the
coverage area.
software and the SIM card of cellular operator, measure and monitor
the signal level at various points within and around the perimeter of the
coverage area.
8.7. Dos & Don’t Dos
1. The site should be accessible for the maintenance team.
2. Arrangement is to be made to avoid unauthorized access to the
2. Arrangement is to be made to avoid unauthorized access to the
repeater.
3. Proper earthing of the repeater is required to be done to avoid damage
to the system.
4. The housing should be kept away from direct exposure to the Sunlight,
chemical fumes & excessive moisture.
5. Stable power supply for repeater unit should be ensured.
6. The route of Cables to/from antennas should be short to limit the cable
6. The route of Cables to/from antennas should be short to limit the cable
losses and should be free from sharp bends & kinks.
7. Local standard of cabling should be followed.
8. The donor antenna should have proper line of sight with the BTS from
8. The donor antenna should have proper line of sight with the BTS from
where the signals are to be intercepted for maximum signal strength
and to reduce the effect of fading.
and to reduce the effect of fading.
9. There should be adequate separation of antenna system from power
lines to avoid damage to system.
10. The selection of BTS should be made taking other BTSs in the same
vicinity in to consideration to avoid interference.
11. Gain of the repeater should be set after taking antenna isolation in to
consideration.
12. The estimation of coverage area should be confirmed.
13. The system should be made over for normal traffic after actual
13. The system should be made over for normal traffic after actual
measurement of:
a)
RF power in the DL
b)
RF power in the UL
c) Antenna
Isolation
d)
Gain settings in DL & UL
14. Feedback regarding performance of the system must be obtained from
the user.
8.8. LED Display On R-20 Unit
In order to facilitate the maintenance team, a set of LEDs are provided on
the top cover of the unit which display some of the important events in the
system, the detail is given below:
system, the detail is given below: