Page
All Rights Reserved Shyam Telecom Limited 31/36
Next Generation
Signal Enhancement
9.0 Fault Shooting & Maintenance
9.1 In-building Coverage Problems
After the installation of
R-20-930
unit, sometimes the actual coverage does
not conform to the plan, different possibilities are discussed below and
action is required to be taken accordingly.
i.
Physical obstructions degrading the signal level
– Visually inspect
the area of weak coverage. If possible, rearrange objects that may be
interfering with the signal path. Pay particular attention to large metallic
objects that may be reflecting or blocking the signal resulting in weak
coverage area. If weak coverage area still persists, check the following:
a. Inspect the indoor RF coaxial cable and its connection with
connector
b. Indoor antenna direction and its tilting
c. R-20-930 repeater gain setting
ii.
Defective indoor coaxial cable or antenna
– Check the RF coaxial
cable and antenna. If necessary, replace each individually with a known
functional unit, and verify the respective signal level. This can be
achieved by observing the signal strength indicator on a mobile handset
that has an unobstructed line-of-sight view, 15 – 20 feet from the indoor
antenna. If the signal level increases at this test location, re-verify the
signal level in the weak coverage area. If the signal level remains
marginal, inspect the unit.
iii.
R-20-930 Defective –
Replace the unit with a known operational unit.
Verify the signal level at the unobstructed test location. If the signal level
increases, re-verify the weak coverage area. If the weak coverage area
remains marginal, an additional indoor antenna or R-20-930 unit may be
required to cover the additional area. If the original R-20-930 is
defective, contact Technical customer support team at +91-124-
4311600 or email at [email protected].
9.2 Signal
Quality
Problems
Under certain conditions, the signal level on the mobile handset may
indicate adequate signal strength, but the quality of the signal is degraded
(i.e. distortion). The signal level at the donor antenna is probably too
strong. Under these conditions, the service provider’s exterior signal level
