OQAM‑ofDM wavelength stacked pon downlink transmission system based on subcarrier modulation
An OQAM-OFDM, transmission system technology, applied in the field of OQAM-OFDM wavelength stacking PON downlink transmission system, can solve the problems of reducing spectrum utilization, increasing system cost, increasing the complexity and cost of ONU demodulation module, and achieving large transmission The effect of increasing capacity, improving access capability, and being easy to upgrade
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[0036] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0037] The invention provides an OQAM-OFDM wavelength stacked passive optical network downlink transmission system based on subcarrier modulation, including: optical line terminal, feed-in optical fiber, remote node, several distributed optical fibers and several optical network units. Among them, the optical line terminal is connected to one end of the feed-in optical fiber and outputs downlink signals, and the other end of the feed-in optical fiber is connected to a remote node, and the remote node inp...
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