OPTICAL REPEATER SYSTEM
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United States of America Patent
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Issued Date -
Apr 12, 2012
app pub date -
Dec 23, 2009
filing date -
Jun 16, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to an optical relay system that transmits a band-limited multi-band frequency signal via an optical line. According to an embodiment of the present invention, since a remote unit includes a multiplexer that fixes a power flow direction to combine wireless signals of various bands and outputs the combined signals to a mobile terminal, or distributes wireless signals wireless signals received from the mobile terminal and fixes a power flow direction to output the distributed wireless signals, even if frequency bands of signals combined by the multiplexer overlap or are adjacent, power delivery in a direction opposite to the power delivery direction of a signal during a signal combining process can be prevented, reducing signal distortion, and thus improving efficiency in combining a number of signals.
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