Incrementally increasing deployment of gateways

• US 8,711,758 B2
• Filed: 02/15/2012
• Issued: 04/29/2014
• Est. Priority Date: 08/29/2006
• Status: Active Grant

• Current Assignee: ViaSat Incorporated
• Original Assignee: ViaSat Incorporated
• Inventors: Hudson, Erwin C., Martin, Remberto L.
• Primary Examiner(s): Phillips, Hassan
• Assistant Examiner(s): Sharma, Gautam
• Application Number:
  US13/397,271
• Publication Number:
  US 20120147812A1
• Time in Patent Office: 804 Days
• Field of Search: None
• US Class Current: 370/316
• CPC Class Codes: H04B 7/18515 Transmission equipment in satellites or space-based relays

Abstract

In one embodiment, a satellite communications system includes first and second receivers, splitters, and combiners. The first receiver is configured to receive a first microwave communications signal; and the first splitter is coupled to the first receiver and configured to split the first microwave communications signal into at least first and second channels. The second receiver is configured to receive a second microwave communications signal; and the second splitter is coupled to the second receiver and configured to split the second microwave communications signal into at least third and fourth channels. The first combiner is coupled to the first and second splitters and configured to combine the first and third channels to form a third microwave communications signal; and the second combiner is coupled to the first and second splitters and configured to combine the second and fourth channels to form a fourth microwave communications signal.

Claims

1. A method for incrementally increasing deployment of gateways in a satellite communication system comprising:

operating, for an initial time period, a spot beam satellite below a capacity of the spot beam satellite, the operating for the initial time period comprising;

receiving, at a first antenna of the spot beam satellite, a first communication signal from a first gateway, the first communication signal providing a first portional network access capacity of the spot beam satellite for the initial time period; and

distributing portions of the first portional network access capacity to each of a plurality of spot beam antennas of the spot beam satellite that are directed to different geographical locations;

incrementally increasing deployment of capacity at the spot beam satellite utilizing at least a second gateway when the second gateway begins transmitting to the spot beam satellite; and

operating the spot beam satellite at the incrementally increased deployment of capacity, the operating at the incrementally increased deployment of capacity comprising;

receiving, at the first antenna of the spot beam satellite, the first communication signal from the first gateway, the first communication signal providing the first portional network access capacity;

receiving, at a second antenna of the spot beam satellite, a second communication signal from the second gateway, the second communication signal providing a second portional network access capacity of the spot beam satellite;

distributing portions of the first portional network access capacity to each of the plurality of spot beam antennas; and

distributing portions of the second portional network access capacity to at least one of the plurality of spot beam antennas.

2. The method of claim 1, further comprising:

operating the spot beam satellite at a second incrementally increased deployment of capacity utilizing at least a third gateway when the third gateway begins transmitting to the spot beam satellite, the operating at the second incrementally increased deployment of capacity comprising;

receiving, at a third antenna of the spot beam satellite, a third communication signal from a third gateway, the third communication signal providing a third portional network access capacity of the spot beam satellite; and

distributing portions of the third portional network access capacity to at least one of the plurality of spot beam antennas.

3. The method of claim 2, wherein, at the incrementally increased deployment of capacity, a first spot beam signal served by a first spot beam antenna of the plurality of spot beam antennas is associated with the first and second gateways such that a capacity of the first spot beam signal is serviced by portions of the distributed portions of the first and second portional network access capacities, and wherein, at the second incrementally increased deployment of capacity, a second spot beam signal served by a second spot beam antenna of the plurality of spot beam antennas is associated with the first, second, and third gateways such that a capacity of the second spot beam signal is serviced by portions of the distributed portions of the first, second, and third portional network access capacities.

4. The method of claim 1, wherein the distributing of the portions of the second portional network access capacity to at least one of the plurality of spot beam antennas comprises distributing the at least a portion of the second portional network access capacity to each of the plurality of spot beam antennas.

5. The method of claim 1, wherein, at the incrementally increased deployment of capacity, a first portion of capacity of a first spot beam signal associated with a first spot beam antenna of the plurality of spot beam antennas is serviced by the first portional network access capacity and a second portion of the capacity of the first spot beam signal is serviced by the second portional network access capacity.

6. The method of claim 1, wherein the first and second communication signals each comprise a plurality of frequency channels and the portions of the first and second portional network access capacities correspond to one or more frequency channels of the plurality of frequency channels.

7. The method of claim 1, wherein the different geographical locations served by the plurality of spot beam antennas comprise spot beam coverage regions, and wherein one or more spot beam coverage regions overlap at least in part with one or more other spot beam coverage regions.

8. The method of claim 1, wherein the different geographical locations served by the plurality of spot beam antennas comprise spot beam coverage regions, and wherein a gateway region associated with one of the first or the second gateways overlaps at least in part with one or more of the spot beam coverage regions.

9. The method of claim 1, wherein the first and second communication signals comprise bi-directional communication signals between the first and second gateways and a plurality of user terminals located in the different geographical regions.

10. A method for incrementally increasing deployment of additional gateways in a satellite communication system comprising:

operating, for an initial time period, a spot beam satellite below a capacity of the spot beam satellite, the operating for the initial time period comprising;

receiving a first communication signal from a first gateway at a spot beam satellite, the first communication signal providing a first portional network access capacity of the spot beam satellite for the initial time period;

multiplexing the first communication signal into a first set of communication signal portions, each of the first set of communication signal portions comprising a portion of the first portional network access capacity; and

distributing the first set of communication signal portions to a predetermined number of spot beam antennas of the spot beam satellite that are directed to different geographical locations;

incrementally increasing deployment of capacity at the spot beam satellite from at least a second gateway when the second gateway begins transmitting to the spot beam satellite; and

operating the spot beam satellite at the incrementally increased deployment of capacity, the operating at the incrementally increased deployment of capacity comprising;

receiving the first communication signal from the first gateway at the spot beam satellite, the first communication signal providing the first portional network access capacity;

receiving a second communication signal from the second gateway at the spot beam satellite, the second communication signal providing a second portional network access capacity of the spot beam satellite;

multiplexing the first communication signal into a second set of communication signal portions, each of the second set of communication signal portions comprising a portion of the first portional network access capacity;

multiplexing the second communication signal into a third set of communication signal portions, each of the third set of communication signal portions comprising a portion of the second portional network access capacity;

distributing the second set of communication signal portions to a first subset of the predetermined number of spot beam antennas; and

distributing the third set of communication signal portions to a second subset of the predetermined number of spot beam signals.

11. The method of claim 10, further comprising:

operating the spot beam satellite at a second incrementally increased deployment of capacity at the spot beam satellite utilizing at least a third gateway when the third gateway begins transmitting to the spot beam satellite;

the operating at the second incrementally increased deployment of capacity comprising;

receiving, at a third antenna of the spot beam satellite, a third communication signal from a third gateway when the third gateway begins transmitting to the spot beam satellite, the third communication signal providing a third portional network access capacity of the spot beam satellite;

multiplexing the third communication signal into a fourth set of communication signal portions, each of the fourth set of communication signal portions comprising a portion of the third portional network access capacity; and

distributing the fourth set of communication signal portions to a third subset of the predetermined number of spot beam signals.

12. The method of claim 10, wherein the first and second subsets of the predetermined number of spot beam antennas comprise non-overlapping subsets of the predetermined number of spot beam antennas.

13. The method of claim 10, wherein the multiplexing of the first and second communication signals comprises frequency division multiplexing.

14. A spot beam satellite, comprising:

a first antenna for receiving a first communication signal from a first gateway, the first communication signal providing a first portional network access capacity of the spot beam satellite;

a distribution network, the distribution network configured to distribute portions of the first portional network access capacity for an initial time period to each of a plurality of spot beam antennas of the spot beam satellite that are directed to different geographical locations; and

a second antenna for receiving a second communication signal from a second gateway when the second gateway begins transmitting the second communication signal to the spot beam satellite to incrementally increase deployment of capacity at the spot beam satellite, the second communication signal providing a second portional network access capacity of the spot beam satellite,

wherein the distribution network is configured to distribute portions of the first portional network access capacity to each of the plurality of spot beam antennas and portions of the second portional network access capacity to at least one of the plurality of spot beam antennas.

15. The spot beam satellite of claim 14, wherein the spot beam satellite further comprises:

a third antenna for receiving a third communication signal from a third gateway when the third gateway begins transmitting the third communication signal to incrementally increase deployment of capacity at the spot beam satellite, the third communication signal providing a third portional network access capacity of the spot beam satellite,

wherein the distribution network is further configured to distribute portions of the third portional network access capacity to at least one of the plurality of spot beam antennas.

16. The spot beam satellite of claim 14, wherein a first portion of capacity of a first spot beam signal associated with a first spot beam antenna of the plurality of spot beam antennas is serviced by the first communication signal and a second portion of capacity of the first spot beam signal is serviced by the second communication signal.

17. The spot beam satellite of claim 14, wherein the first and second communication signals each comprise a plurality of frequency channels and the portions of the first and second communication signals correspond to one or more frequency channels of the plurality of frequency channels.

18. The spot beam satellite of claim 14, wherein the distribution network comprises a plurality of switches that distribute the portions of the first and second communication signals to each of the plurality of spot beam antennas.

19. The spot beam satellite of claim 14, wherein the different geographical locations served by the plurality of spot beam antennas comprise spot beam coverage regions, and wherein one or more spot beam coverage regions overlap at least in part with one or more other spot beam coverage regions.

20. The spot beam satellite of claim 14, wherein the different geographical locations served by the plurality of spot beams comprise spot beam coverage regions, and wherein a gateway region associated with one of the first or the second gateways overlaps at least in part with one or more of the spot beam coverage regions.

21. The spot beam satellite of claim 14, wherein the first and second antennas comprise one or more feed horns and one or more antenna reflectors.