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Shyam Telecom Limited
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Next Generation
Signal Enhancement
a. D
ONOR
A
ntenna
D
onor antenna of appropriate bandwidth
&
gain interfaces the
BTS
on
one side and repeater system on other side through
RF
cable.
I
t is used
to intercept signals from the base station and switch electromagnetic
waves into
RF
signals in the
DL
and vice versa in the
UL
.
Figure 16: A Typical Donor Antenna
The antenna with 10dBi gain transfers the intercepted signals to the
repeater and transmits uplink signals amplified by the repeater.
b.
Q
uad-plexer
c.
L
ow
N
oise
A
mplifier
(LNA)
d.
C
onverter
M
odule
e.
P
ower
A
mplifier
f.
S
upervisory
M
odule
g.
POWER SUPPLY
h.
SERVER
Antenna
2dBi gain s
erver antenna transmits signals from the repeater station to
mobile users and transport received uplink signals from the mobile users
to the base station.
B
ased on the coverage area, directional antenna
having proper gain with connecters is installed at pre-planned spots as per
the coverage area requirements.
