Up-down two-way transmission structure and signal transmission for mm-wave optical fibre transmission system

Up-down two-way transmission structure and signal transmission for mm-wave optical fibre transmission system

The invention is concerned with an upper link and downlink double-way transmission structure and signal transmission method for millimeter wave fibers transmission system. The center station carries the phase adjustment by using the mixed signal of base band signal and sweep sine wave frequency, and...

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1. Verfasser: MINGLEI,LIN XIU
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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description The invention is concerned with an upper link and downlink double-way transmission structure and signal transmission method for millimeter wave fibers transmission system. The center station carries the phase adjustment by using the mixed signal of base band signal and sweep sine wave frequency, and at first, the base station divides the light wave transmitted from center station and passes them through periodicity optical filter, optical filter and band-passing filter with different parameters to get millimeter wave reference local oscillator and millimeter wave downlink adjusted wave and to get the need reference local oscillator of upper link in the base station. About the upper link, the millimeter wave upper signal to user accepted by base station mixes with the reference local oscillator of the downlink to get base band signal of upper link. Use this signal to adjust the light of base station to realize the upper link of system.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
title Up-down two-way transmission structure and signal transmission for mm-wave optical fibre transmission system
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