Passive Optical Network System Supporting Wireless Communication
First Claim
1. A passive optical network (PON) system supporting wireless communication, comprising:
- an optical line terminal (OLT), for sending a downstream optical signal and receiving an upstream optical signal;
an optical distribution network (ODN), having an optical circulator assembly and first, second, . . . nth optical fibers, wherein n is a positive integer greater than 2, the optical fibers are connected to the optical circulator assembly in sequence, the first optical fiber is connected to the OLT and transmits the optical signals, and the optical circulator assembly guides the optical signals from one of the optical fibers to the next optical fiber; and
a plurality of optical network units (ONUs), connected to the second, . . . nth optical fibers respectively, wherein each of the ONUs receives the optical signals from the corresponding second, . . . nth optical fiber, generates the upstream optical signal, and then transmits the upstream optical signal back to the corresponding second, . . . nth optical fiber;
each of the ONUs corresponding to the second, . . . (n−
1)th optical fiber processes the received downstream optical signal and transmits the processed downstream optical signal back to the corresponding second, . . . (n−
1)th optical fiber;
at least one of the ONUs is configured with a remote antenna, and the ONU configured with the remote antenna combines data received by the remote antenna with the upstream optical signal.
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Accused Products
Abstract
A passive optical network (PON) system supporting wireless communication includes an optical line terminal (OLT) configured on a central office, an optical distribution network (ODN), and a plurality of optical network units (ONUs) respectively configured on user ends. The ODN is connected to the OLT and the ONUs in a one-to-many manner. The OLT sends a downstream optical signal to the ODN, and receives an upstream optical signal. The ODN circularly guides the optical signal to each ONU. Each ONU receives and reflects the downstream optical signal, processes the received downstream optical signal, receives and processes the upstream optical signal, carries an electrical signal to be uploaded into the upstream optical signal, and carries data received by a remote antenna into the upstream optical signal. Through the above architecture, the PON system supports wireless communication.
103 Citations
33 Claims
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1. A passive optical network (PON) system supporting wireless communication, comprising:
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an optical line terminal (OLT), for sending a downstream optical signal and receiving an upstream optical signal; an optical distribution network (ODN), having an optical circulator assembly and first, second, . . . nth optical fibers, wherein n is a positive integer greater than 2, the optical fibers are connected to the optical circulator assembly in sequence, the first optical fiber is connected to the OLT and transmits the optical signals, and the optical circulator assembly guides the optical signals from one of the optical fibers to the next optical fiber; and a plurality of optical network units (ONUs), connected to the second, . . . nth optical fibers respectively, wherein each of the ONUs receives the optical signals from the corresponding second, . . . nth optical fiber, generates the upstream optical signal, and then transmits the upstream optical signal back to the corresponding second, . . . nth optical fiber;
each of the ONUs corresponding to the second, . . . (n−
1)th optical fiber processes the received downstream optical signal and transmits the processed downstream optical signal back to the corresponding second, . . . (n−
1)th optical fiber;
at least one of the ONUs is configured with a remote antenna, and the ONU configured with the remote antenna combines data received by the remote antenna with the upstream optical signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A passive optical network (PON) system supporting wireless communication, comprising:
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an optical line terminal (OLT), for sending a downstream optical signal and receiving an upstream optical signal; an optical distribution network (ODN), having an optical circulator assembly and n optical fibers, wherein n is a positive integer greater than 2, the optical fibers are connected to the optical circulator assembly in sequence, and the first optical fiber is connected to the OLT and transmits the optical signals; and a plurality of optical network units (ONUs), connected to the second, . . . nth optical fibers respectively, wherein each of the ONUs receives and processes the optical signals from the optical fiber correspondingly connected to the ONU, generates the upstream optical signal, and then transmits the upstream optical signal back to the corresponding second, . . . nth optical fiber; and
at least one of the ONUs is configured with a remote antenna, and the ONU configured with the remote antenna combines data received by the remote antenna with the upstream optical signal. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification