User's Manual

User Manual
Rosenberger Active Das With Intelligent Antenna system
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2 Product Overview
2.1 General Information
Rosenberger Active DAS with Integrated Antenna system (RADIANT abbreviation below) consists
of Intelligent multi-sector unit (IM2U abbreviation below) and remote unit with optical input (IRU-O
abbreviation below) and network extender unit(NEU). The number of IRU-O depends on the
hardware and software configuration. One IM2U is capable of supporting up to 4 NEUs, and NEU is
capable of supporting up to 16 IRU-Os.
Rosenberger RADIANT system is combined with base stations, used for amplifying GSM, DCS, WCDMA
and LTE signals. It effectively enhances the shadow signals in urban areas like hotel, office buildings,
shopping centers, Stadium as well as basements.
Refer to the application diagram in figure 1;
IM2U captures the signals from donor BTS and converts the
RF signal to optical signal and transmit to
NEU via optical cable, and NEUS get the optical signals, split
to each
IRU-O through the hybrid cable, IRU-O reconverts the optical signal to RF signal and amplifies it,
in the case extends signal coverage.
Figure 1 Radiant System Application
Rosenberger RADIANT has remote control and monitoring function, and it can be self-diagnosis. In case
of an external power off, RADIANT can keep sending alarm message to network management center for
four hours, facilitating monitoring, configuring and maintenance.