Downlink/ Uplink Path - Verizon Smart-Cell User Manual

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2.3.2. Downlink/ Uplink Path

The Smart-Cell repeater improves service in the 700MHz, 800MHz, 850MHz, 1900MHz
and 2100MHz frequency bands. User may select frequency band according to the site
peculiarities. After receiving a weak signal from donor antenna, the repeater improves
and sends securely isolated signal out to service antenna.
Amplifier unit is designed for correspondent operation with digital filter module (DFM).
The AMP unit consists of a down and up converters, cavity filter and power amplifier
(PAU).
In Downlink Path, a weak RF signal is received from Donor Antenna. Being converted
from RF to IF signal, it is transferred to the DFM, where after digitalizing by DA
converter, signal is filtered by FPGA.
analog RF signal with modulator. Transmit to amplifier.
outputted through Service Antenna. Uplink path works vice versa.
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<Figure 3> Repeater Port Design (Rear View)
PORT
Main FAN
PSU FAN
Main Switch
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After filtering digital, signal is converted into
Desirable signal is amplified and
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Verizon User Manual
Smart-Cell Repeater
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PORT
Power Cable