Multi-band satellite terminal estimating a second band based on first band link conditions

Patent metadata

Field	Value
Publication number	US-11223418-B2
Application number	US-201916731605-A
Country	US
Kind code	B2
Filing date	Dec 31, 2019
Priority date	Dec 31, 2019
Publication date	Jan 11, 2022
Grant date	Jan 11, 2022

Abstract

Systems and methods for operating a multi-band satellite terminal are disclosed. One aspect disclosed features a method, comprising: controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands; determining link conditions of the first frequency band based on the received signal; generating an estimate of link conditions of a second frequency band of the plurality of frequency bands, wherein the estimate is generated based on the link conditions of the first frequency band; selecting the second frequency band based on the estimate of the link conditions of the second frequency band; and controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite on the second frequency band.

First claim

What is claimed is:

1. A multi-band satellite terminal capable of receiving signals on a plurality of frequency bands, comprising:
a hardware processor; and
a non-transitory machine-readable storage medium storing instructions executable by the hardware processor to perform a method comprising:
controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands;
determining link conditions of the first frequency band based on the received signal;
generating an estimate of link conditions of a second frequency band of the plurality of frequency bands, wherein the estimate is generated based on the link conditions of the first frequency band;
determining a current traffic level for the second frequency band;
selecting the second frequency band based on the estimate of the link conditions of the second frequency band and the current traffic level for the second frequency band; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite on the second frequency band.

2. The multi-band satellite terminal of claim 1 , the method further comprising:
comparing the estimate of the link conditions to desired link conditions; and
selecting the second frequency band based on the comparing.

3. The multi-band satellite terminal of claim 2 , wherein the estimate of the link conditions include an estimate of the link conditions for a plurality of modulation and coding schemes, the method further comprising:
selecting one of the modulation and coding schemes based on the estimates of the link conditions for the plurality of modulation and coding schemes; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite using the selected one of the modulation and coding schemes.

4. The multi-band satellite terminal of claim 1 , wherein:
the link conditions comprise at least one of signal quality or signal level.

5. The multi-band satellite terminal of claim 1 , the method further comprising:
transmitting the estimate of the link conditions to a gateway;
receiving a band selection from the gateway; and
selecting the second frequency band based on the band selection.

6. The multi-band satellite terminal of claim 1 , wherein the multi-band satellite terminal comprises a very small aperture terminal (VSAT).

7. A non-transitory machine-readable storage medium storing instructions executable by a hardware processor of a computing component, the machine-readable storage medium comprising instructions to cause the hardware processor to perform a method comprising:
controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands;
determining link conditions of the first frequency band based on the received signal;
generating an estimate of link conditions of a second frequency band of the plurality of frequency bands, wherein the estimate is generated based on the link conditions of the first frequency band;
determining a current traffic level for the second frequency band;
selecting the second frequency band based on the estimate of the link conditions of the second frequency band and the current traffic level for the second frequency band; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite on the second frequency band.

8. The non-transitory machine-readable storage medium of claim 7 , the method further comprising:
comparing the estimate of the link conditions to desired link conditions; and
selecting the second frequency band based on the comparing.

9. The non-transitory machine-readable storage medium of claim 8 , wherein the estimate of the link conditions include an estimate of the link conditions for a plurality of modulation and coding schemes, the method further comprising:
selecting one of the modulation and coding schemes based on the estimates of the link conditions for the plurality of modulation and coding schemes; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite using the selected one of the modulation and coding schemes.

10. The non-transitory machine-readable storage medium of claim 7 , wherein:
the link conditions comprise at least one of signal quality or signal level.

11. The non-transitory machine-readable storage medium of claim 7 , the method further comprising:
transmitting the estimate of the link conditions to a gateway;
receiving a band selection from the gateway; and
selecting the second frequency band based on the band selection.

12. The non-transitory machine-readable storage medium of claim 7 , wherein the terminal comprises a very small aperture terminal (VSAT).

13. A method, comprising:
controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands;
determining link conditions of the first frequency band based on the received signal;
generating an estimate of link conditions of a second frequency band of the plurality of frequency bands, wherein the estimate is generated based on the link conditions of the first frequency band;
determining a current traffic level for the second frequency band;
selecting the second frequency band based on the estimate of the link conditions of the second frequency band and the current traffic level for the second frequency band; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite on the second frequency band.

14. The method of claim 13 , further comprising:
comparing the estimate of the link conditions to desired link conditions; and
selecting the second frequency band based on the comparing.

15. The method of claim 14 , wherein the estimate of the link conditions include an estimate of the link conditions for a plurality of modulation and coding schemes, the method further comprising:
selecting one of the modulation and coding schemes based on the estimates of the link conditions for the plurality of modulation and coding schemes; and
controlling the multi-band satellite ground terminal to receive the signal transmitted by the satellite using the selected one of the modulation and coding schemes.

16. The method of claim 13 , wherein:
the link conditions comprise at least one of signal quality or signal level.

17. The method of claim 13 , further comprising:
transmitting the estimate of the link conditions to a gateway;
receiving a band selection from the gateway; and
selecting the second frequency band based on the band selection.

18. A multi-band satellite terminal capable of receiving signals on a plurality of frequency bands, comprising:
a hardware processor; and
a non-transitory machine-readable storage medium storing instructions executable by the hardware processor to perform a method comprising:
controlling a multi-band satellite terminal capable of receiving signals on a plurality of frequency bands to receive a signal transmitted by a satellite on a first frequency band of the plurality of frequency bands;
determining link conditions of the first frequency band based on the received signal;
generating an estimate of link conditio

Assignees

• Hughes Network Systems Llc

Inventors

• Khan Tayyab
• Samavedam Krishna
• Choquette George

Classifications

• H04W72/542

  using measured or perceived quality · CPC title

• H04H40/90

  specially adapted for satellite broadcast receiving · CPC title

• H04L1/0009

  by adapting the channel coding (H04L1/1812 takes precedence) · CPC title

• H04L5/0058

  Allocation criteria · CPC title

• H04L1/0003

  by switching between different modulation schemes · CPC title