PASSIVE OPTICAL NETWORK SYSTEM FOR THE DELIVERY OF BI-DIRECTIONAL RF SERVICES
First Claim
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1. A point-to-multipoint passive optical network (PON) system comprising:
- a. a first RF Optical Transmitter;
b. a first RF Optical Receiver;
c. a first Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, and at least one downstream port;
d. an optical fiber connecting the first RF Optical Transmitter to the first upstream port of the first WDM;
e. an optical fiber connecting the first RF Optical Receiver to the second upstream port of the first WDM;
f. an optical splitter with at least one upstream port and a plurality of downstream ports;
g. an optical fiber connecting the downstream port of the first WDM to at least one upstream port of the optical splitter;
h. one or more nodes, each node comprising;
i. a first upstream port;
ii. a downstream port;
iii. a second RF optical transmitter comprising an upstream port and a downstream port;
iv. a second RF optical receiver comprising an upstream port and a downstream port;
v. a second Wave-Division-Multiplexer (WDM) comprising an upstream port, a first downstream port, and a second downstream port;
vi. an optical fiber connecting the upstream port of the node to the upstream port of the second WDM;
vii. an optical fiber connecting the first downstream port of the WDM to the upstream port of the second RF Optical Transmitter;
viii. an optical fiber connecting the second downstream port of the WDM to the upstream port of the second RF Optical Receiver; and
ix. a diplexer, the diplexer connected to the second RF Optical Transmitter, the second RF Optical Receiver, and the downstream port of the node.
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Abstract
A system for providing bi-directional RF services over relating to a point-to-multipoint Passive Optical Network (PON).
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Citations
12 Claims
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1. A point-to-multipoint passive optical network (PON) system comprising:
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a. a first RF Optical Transmitter; b. a first RF Optical Receiver; c. a first Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, and at least one downstream port; d. an optical fiber connecting the first RF Optical Transmitter to the first upstream port of the first WDM; e. an optical fiber connecting the first RF Optical Receiver to the second upstream port of the first WDM; f. an optical splitter with at least one upstream port and a plurality of downstream ports; g. an optical fiber connecting the downstream port of the first WDM to at least one upstream port of the optical splitter; h. one or more nodes, each node comprising; i. a first upstream port; ii. a downstream port; iii. a second RF optical transmitter comprising an upstream port and a downstream port; iv. a second RF optical receiver comprising an upstream port and a downstream port; v. a second Wave-Division-Multiplexer (WDM) comprising an upstream port, a first downstream port, and a second downstream port; vi. an optical fiber connecting the upstream port of the node to the upstream port of the second WDM; vii. an optical fiber connecting the first downstream port of the WDM to the upstream port of the second RF Optical Transmitter; viii. an optical fiber connecting the second downstream port of the WDM to the upstream port of the second RF Optical Receiver; and ix. a diplexer, the diplexer connected to the second RF Optical Transmitter, the second RF Optical Receiver, and the downstream port of the node. - View Dependent Claims (2, 3, 4)
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5. A point-to-multipoint passive optical network (PON) system comprising:
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a. an Optical Line Terminal (OLT); b. a first RF Optical Transmitter; c. a first RF Optical Receiver; d. a first Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, a third upstream port, and at least one downstream port; e. an optical fiber connecting the first RF Optical Transmitter to the first upstream port of the first WDM; f. an optical fiber connecting the first RF Optical Receiver to the second upstream port of the first WDM; g. an optical fiber connecting the OLT to the third upstream port of the first WDM; h. an optical splitter with at least one upstream port and a plurality of downstream ports; i. an optical fiber connecting the downstream port of the first WDM to at least one upstream port of the optical splitter; j. one or more nodes, each node comprising; i. a first upstream port; ii. a second upstream port; iii. a downstream port; iv. a second RF optical transmitter comprising an upstream port and a downstream port; v. a second Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, and a downstream port; vi. an optical fiber connecting the first upstream port of the second WDM and the first upstream port of the node; vii. an optical fiber connecting the second upstream port of the second WDM and the second upstream port of the node; viii. an optical fiber connecting the downstream port of the second WDM to the upstream port of the second RF Optical Transmitter; and ix. an RF connection between the downstream port of the second RF Optical Transmitter and the downstream port of the node; k. an optical fiber connecting a downstream port of the optical splitter to the first upstream port of the node; l. at least one three-wave length ONU, comprising; i. an upstream port; and ii. a downstream port; m. an optical fiber connecting the second upstream port of the node to the upstream port of the ONU; and n. a diplexer, the diplexer connected to the downstream port of the ONU, the downstream port of the node, and an RF distribution network. - View Dependent Claims (6, 7, 8)
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9. A point-to-multipoint passive optical network (PON) system comprising:
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a. an Optical Line Terminal (OLT); b. a first RF Optical Transmitter; c. a first RF Optical Receiver; d. a first Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, a third upstream port, and at least one downstream port; e. an optical fiber connecting the first RF Optical Transmitter to the first upstream port of the first WDM; f. an optical fiber connecting the first RF Optical Receiver to the second upstream port of the first WDM; g. an optical splitter with at least one upstream port and a plurality of downstream ports; h. an optical fiber connecting the OLT to the third upstream port of the first WDM; i. an optical fiber connecting the downstream port of the first WDM to at least one upstream port of the optical splitter; j. one or more nodes, each node comprising; i. a first upstream port; ii. a second upstream port; iii. a downstream port; iv. a second RF optical transmitter comprising an upstream port and a downstream port; v. a second RF optical receiver comprising an upstream port and a downstream port; vi. a second Wave-Division-Multiplexer (WDM) comprising a first upstream port, a second upstream port, and a downstream port; vii. a third Wave-Division-Multiplexer (WDM) comprising an upstream port, a first downstream port, and a second downstream port; viii. an optical fiber connecting the first upstream port of the second WDM to the first upstream port of the node; ix. an optical fiber connecting the second upstream port of the second WDM to the second upstream port of the node; x. an optical fiber connecting the downstream port of the second WDM to the upstream port of the third WDM; xi. an optical fiber connecting the first downstream port of the third WDM to the upstream port of the second RF Optical Transmitter; xii. an optical fiber connecting the second downstream port of the third WDM to the upstream port of the second RF Optical Receiver; and xiii. a diplexer, the diplexer connected to the downstream port of the second RF Optical Transmitter, the downstream port of the second RF Optical Receiver, and the downstream port of the node; k. an optical fiber connecting a downstream port of the optical splitter to the first upstream port of the node; l. at least one two-wavelength capable ONU, comprising; i. an upstream port; and ii. a downstream port; and m. an optical fiber connecting the second upstream port of the node to the upstream port of the ONU. - View Dependent Claims (10, 11, 12)
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Specification