Configurable, highly-integrated satellite receiver
A direct broadcast satellite (DBS) reception assembly may comprise an integrated circuit that is configurable between or among a plurality of configurations based on content requested by client devices served by the DBS reception assembly. In a first configuration, multiple satellite frequency bands may be digitized by the integrated circuit as a single wideband signal. In a second configuration, the satellite frequency bands may be digitized by the integrated circuit as a plurality of separate narrowband signals. The integrated circuit may comprise a plurality of receive paths, each of the receive chains comprising a respective one of a plurality of low noise amplifiers and a plurality of analog-to-digital converters.
1. A system comprising:
one or more receive chains configurable into a narrowband configuration and a wideband configuration, wherein the one or more receive chains comprise analog circuitry; and
a satellite receiver operable to control whether the one or more receive chains are configured into the narrowband configuration or the wideband configuration, at any given time, based on content requested by one or more client devices served by the system.
2. The system of claim 1 , wherein:
in the narrowband configuration, a receive chain of the one or more receive chains is operable to downconvert and digitize one of a first frequency band and a second frequency band; and
in the wideband configuration, a receive chain of the one or more receive chains is operable to downconvert and digitize both the first frequency band and the second frequency band.
3. The system of claim 2 , wherein:
the first frequency band is a low band in the X and/or Ku band; and
the second frequency band is a high band in the X and/or Ku band.
4. The system of claim 3 wherein:
the low band is from approximately 10.7 GHz to approximately 11.7 GHz; and
the high band is from approximately 11.7 GHz to approximately 12.75 GHz.
5. The system of claim 2 , wherein:
the first frequency band is a low Ka band; and
the second frequency band is a high Ka band.
6. The system of claim 5 , wherein the low Ka band and the high Ka band are between 17.3 GHz and 20.2 GHz.
7. The system of claim 2 , wherein the first frequency band and the second frequency band are discontiguous.
8. The system of claim 1 , wherein:
in the first configuration, an input of a particular one of the receive chains is an output of a single amplifier; and
in the second configuration, the input of the particular one of the receive chains is a combined output of a plurality of amplifiers arranged in parallel.
9. The system of claim 1 , wherein the system comprises a baseband processor operable to:
when the one or more receive chains are in the wideband configuration, channelize a wideband signal and process one or more selected channels of the wideband signal for transmission to a set-top box; and
when the one or more receive chains are in the narrowband configuration, channelize each of a plurality of narrowband signals and process one or more selected channels of each of said narrowband signals for transmission to the set-top box.
10. A method comprising:
controlling, by control logic, whether one or more receive chains are configured into a narrowband configuration or a wideband configuration, at any given time, based on content requested by one or more client devices served by a satellite receiver, wherein the one or more receive chains comprise analog circuitry.
11. The method of claim 10 , comprising:
when in the narrowband configuration, downconverting and digitizing, by the one or more receive chains, one of a first frequency band and a second frequency band; and
when in the wideband configuration, downconverting and digitizing, by the one or more receive chains, both of the first frequency band and the second frequency band.
12. The method of claim 11 , wherein:
the first frequency band is a low band in the X and/or Ku band; and
the second frequency band is a high band in the X and/or Ku band.
13. The method of claim 12 , wherein:
the low band is from approximately 10.7 GHz to approximately 11.7 GHz; and
the high band is from approximately 11.7 GHz to approximately 12.75 GHz.
14. The method of claim 11 , wherein:
the first frequency band is a low Ka band; and
the second frequency band is a high Ka band.
15. The method of claim 14 , wherein the low Ka band and the high Ka band are between 17.3 GHz and 20.2 GHz.
16. The method of claim 11 wherein the first frequency band and the second frequency bands are discontiguous.
17. The method of claim 10 , wherein:
in the first configuration, an input of a particular one of the receive chains is an output of a single amplifier; and
in the second configuration, the input of the particular one of the receive chains is a combined output of a plurality of amplifiers arranged in parallel.
18. The method of claim 10 , comprising performing by a baseband processor:
when the receive chains are in the wideband configuration:
digitizing a wideband signal; and
processing one or more selected channels of the digitized wideband signal for transmission to a set-top box; and
when the receive chains are in the narrowband configuration:
digitizing a plurality of narrowband signals; and
processing one or more selected channels of the digitized narrowband signals for transmission to the set-top box.