System, device and method of expanding the operational bandwidth of a communication infrastructure
View Patent ↗Embodiments of the invention include a method, device an/or system of expanding the operational bandwidth of a communication infrastructure. An optical gathering box may include, according to some demonstrative embodiments of the invention, an optical connector to optically connect the apparatus to an optic fiber; and at least one interface including first and second radio-frequency connectors; an optical to radio-frequency converter to convert a downstream optical signal received via the optical connection into an extended downstream radio-frequency signal in an extended downstream frequency band; and a triplexer to route the extended downstream signal to the first radio-frequency connector; to route a legacy downstream radio-frequency signal in a legacy frequency band from the second radio-frequency connector to the first radio-frequency connector; and to route a legacy upstream radio-frequency signal in the legacy frequency band from the first radio-frequency connector to the second radio-frequency connector. Other embodiments are described and claimed.
1. An apparatus comprising:
an optical connector to optically connect said apparatus to an optic fiber; and
at least one interface including:
at least one pair of first and second radio-frequency connectors;
an optical to radio-frequency converter to convert a downstream optical signal received via said optical connection into an extended downstream radio-frequency signal in an extended downstream frequency band; and
at least one triplexer to route said extended downstream signal to said first radio-frequency connector; to route a legacy downstream radio-frequency signal in a legacy frequency band from said second radio-frequency connector to said first radio-frequency connector; and to route a legacy upstream radio-frequency signal in said legacy frequency band from said first radio-frequency connector to said second radio-frequency connector,
wherein said extended downstream frequency band comprises at least a sub-set of a frequency band of 1000-3000 MHz.
2. The apparatus of claim 1 , wherein said interface comprises:
a radio-frequency to optical converter to convert an extended upstream radio-frequency signal in an extended upstream frequency band into an upstream optical signal,
wherein said triplexer is able to route said extended upstream signal from said first radio-frequency connector to said radio-frequency to optical converter.
3. The apparatus of claim 2 , wherein said interface comprises an upstream amplifier to amplify said extended upstream radio-frequency signal.
4. The apparatus of claim 2 , wherein said at least one interface comprises two or more interfaces, said apparatus comprising:
an optical splitter/combiner to split said downstream optical signal into two or more optical downstream signals; to direct said two or more optical downstream signals to the optical to radio-frequency converters of said two or more interfaces, respectively; and to direct two or more upstream optical signals received from said two or more interfaces to said optical connector.
5. The apparatus of claim 2 , wherein said upstream and downstream optical signals have different spectrums.
6. The apparatus of claim 2 , wherein said extended upstream frequency band comprises at least a sub-set of a frequency band of 1000-3000 MHz.
7. The apparatus of claim 1 , wherein said at least one pair of connectors comprises two or more pairs of connectors, and said at least one triplexer comprises two or more triplexers; wherein said interface comprises a radio-frequency splitter to split said extended downstream radio-frequency signal into two or more extended downstream signals; and wherein said two or more triplexers are able to route the two or more extended downstream signals to a respective first radio-frequency connector of said two or more pairs of connectors.
8. The apparatus of claim 1 , wherein said interface comprises a downstream amplifier to amplify said extended downstream radio-frequency signal.
9. The apparatus of claim 1 , wherein said legacy frequency band comprises at least a sub-set of a frequency band of 5-1000 MHz.
10. The apparatus of claim 1 , wherein said optical connector comprises an optical coupler.
11. A system comprising:
a node to modulate downstream data onto an extended downstream optical signal, and transmit said extended downstream optical signal over an optic fiber;
at least one optical adapter comprising:
an optical connector to optically connect said apparatus to an optic fiber; and
at least one interface including:
at least one pair of first and second radio-frequency connectors;
an optical to radio-frequency converter to convert said downstream optical signal into an extended downstream radio-frequency signal in an extended downstream frequency band; and
at least one triplexer to route said extended downstream signal to said first radio-frequency connector; to route a legacy downstream radio-frequency signal in a legacy frequency band from said second radio-frequency connector to said first radio-frequency connector; and to route a legacy upstream radio-frequency signal in said legacy frequency band from said first radio-frequency connector to said second radio-frequency connector,
wherein said extended downstream frequency band comprises at least a sub-set of a frequency band of 1000-3000 MHz.
12. The system of claim 11 , wherein said interface comprises:
a radio-frequency to optical converter to convert an extended upstream radio-frequency signal in an extended upstream frequency band into an upstream optical signal,
wherein said triplexer is able to route said extended upstream signal from said first radio-frequency connector to said radio-frequency to optical converter, and
wherein said extended upstream frequency band comprises at least a sub-set of a frequency band of 1000-3000 MHz.
13. The system of claim 12 , wherein said interface comprises an upstream amplifier to amplify said extended upstream radio-frequency signal.
14. The system of claim 12 , wherein said at least one interface comprises two or more interfaces, said system comprising:
an optical splitter/combiner to split said downstream optical signal into two or more optical downstream signals; to direct said two or more optical downstream signals to the optical to radio-frequency converters of said two or more interfaces, respectively; and to direct two or more upstream optical signals received from said two or more interfaces to said optical connector.
15. The system of claim 12 , wherein said upstream and downstream optical signals have different spectrums.
16. The system of claim 12 , wherein said extended upstream frequency band comprises at least a sub-set of a frequency band of 1000-3000 MHz.
17. The system of claim 11 , wherein said at least one pair of connectors comprises two or more pairs of connectors, and said at least one triplexer comprises two or more triplexers; wherein said interface comprises a radio-frequency splitter to split said extended downstream radio-frequency signal into two or more extended downstream signals; and wherein said two or more triplexers are able to route the two or more extended downstream signals to a respective first radio-frequency connector of said two or more pairs of connectors.
18. The system of claim 11 comprising:
at least one tap device to transfer said legacy downstream radio-frequency signal from said node to said at least one interface, respectively; said tap having a first port linked to the second connector of said at least one interface, respectively, and a second port linked by a coaxial cable to said node.
19. The system of claim 11 , wherein said interface comprises a downstream amplifier to amplify said extended downstream radio-frequency signal.
20. The system of claim 11 , wherein said legacy frequency band comprises at least a sub-set of a frequency band of 5-1000 MHz.
21. The system of claim 11 , wherein said optical connector comprises an optical coupler.