Polarization multiplexing-based full duplex wired-wireless hybrid optical access system and method
A polarization multiplexing and wireless access technology, which is applied to the selection device of multiplexing system, transmission system, optical fiber radio, etc., and can solve the problems of low degree of network integration, waste of network resources, and fixed access mode.
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[0047] Regarding the aforementioned and other technical contents, features and effects of the present invention, refer to the appended figure 1 To attach Figure 16 It will be apparent from the detailed description of the embodiments. The structural contents mentioned in the following embodiments are all based on the accompanying drawings of the description.
[0048] A full-duplex wired and wireless hybrid optical access system based on polarization multiplexing, including a central station, an optical fiber transmission link between the central station and a hybrid ONU, a hybrid ONU, and a wireless user terminal.
[0049] The central station includes a downlink optical signal transmitting module and an uplink optical signal receiving module, and the downlink optical signal transmitting module includes a continuous laser CWLD1, a polarization beam splitter PBS1, a first optical I / Q modulator, a polarization beam combiner PBC and an optical power beam splitter PS1; where CWLD...
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