Remote Unit for Adding Frequency Assignments to a Separation-Type Base Transceiver Station
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United States of America Patent
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Issued Date -
Nov 8, 2007
app pub date -
May 28, 2004
filing date -
May 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention is related to a remote unit in a separation-type BTS, in which desired FA can be distributed and increased without additional changes. The remote unit comprises a main unit, an electro-optical converter for converting a signal transmitted from the main unit and received via an optical cable into an electric signal, a transceiver for processing the signals received and to be transmitted, a high power amplifier (HPA) for amplifying the transmission signal outputted from the transceiver, and a triplexer for sending the transmission signal outputted from the HPA to an antenna in a main path and setting up a path for a signal received from the antenna in the main path or an antenna in a diversity path. The remote unit further comprises an FA selection unit placed between the transceiver and the HPA for selecting a specific FA signal from the 3FA transmission signal outputted from the transceiver and sending it to the HPA, so that the FA can be easily increased.
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