Autonomous channel quality information prediction

1. A method for implementation by one or more data processors forming part of at least one computing system, the method comprising:

receiving, by at least one data processor associated with a transceiver, data characterizing a first signal transmitted in an orthogonal frequency-division multiplexing (OFDM) system by a transmitter with one or more transmit antennas through an in-band channel and received by a receiver of the transceiver and with a plurality of receive antennas, the first signal comprising one or more in-band pilot pulses;

predicting, using at least one data processor and when the transceiver is in receive mode, a channel quality for an out-of-band channel based on the received data and a cross-correlation between an in-band channel and one or more out-of-band channels, the channel quality prediction used by the transceiver in transmit mode to transmit data over the out-of-band channel; and

providing, using at least one data processor, data characterizing the predicted channel quality for the out-of-band channel.

2. The method of claim 1 , wherein the cross-correlation is pre-computed using a predetermined channel model.

3. The method of claim 1 , further comprising computing the cross-correlation based on prior knowledge of a type of channel model associated with the out-of-band channel.

4. The method of claim 1 , wherein the out-of-band channel is within a usable transmission bandwidth.

5. The method of claim 1 , wherein the cross-correlation is characterized by a plurality of stored correlation coefficients, each correlation coefficient corresponding to an average of two or more subcarrier channel estimates.

6. The method of claim 1 , wherein the channel quality is predicted at least once per transmitter antenna.

7. A non-transitory computer program product storing instructions, which when executed by at least one data processor of at least one computing system, implement a method comprising:

receiving, by at least one data processor associated with a transceiver, data characterizing a first signal transmitted in an orthogonal frequency-division multiplexing (OFDM) system by a transmitter with one or more transmit antennas through an in-band channel and received by a receiver of the transceiver and with a plurality of receive antennas, the first signal comprising one or more in-band pilot pulses;

predicting, using at least one data processor and when the transceiver is in receive mode, a channel quality for an out-of-band channel based on the received data and a cross-correlation between an in-band channel and one or more out-of-band channels, the channel quality prediction used by the transceiver in transmit mode to transmit data over the out-of-band channel; and

providing, using at least one data processor, data characterizing the predicted channel quality for the out-of-band channel.

8. The non-transitory computer program product of claim 7 , wherein the cross-correlation is pre-computed using a predetermined channel model.

9. The non-transitory computer program product of claim 7 , the method further comprising computing the cross-correlation based on prior knowledge of a type of channel model associated with the out-of-band channel.

10. The non-transitory computer program product of claim 7 , wherein the out-of-band channel is within a usable transmission bandwidth.

11. The non-transitory computer program product of claim 7 , wherein the cross-correlation is characterized by a plurality of stored correlation coefficients, each correlation coefficient corresponding to an average of two or more subcarrier channel estimates.

12. The non-transitory computer program product of claim 7 , wherein the channel quality is predicted at least once per transmitter antenna.

13. A system comprising:

at least one data processor;

memory storing instructions which, when executed by the at least one data processor, causes the at least one data processor to perform operations comprising:

receiving, by at least one data processor associated with a transceiver, data characterizing a first signal transmitted in an orthogonal frequency-division multiplexing (OFDM) system by a transmitter with one or more transmit antennas through an in-band channel and received by a receiver of the transceiver and with a plurality of receive antennas, the first signal comprising one or more in-band pilot pulses;

predicting, using at least one data processor and when the transceiver is in receive mode, a channel quality for an out-of-band channel based on the received data and a cross-correlation between an in-band channel and one or more out-of-band channels, the channel quality prediction used by the transceiver in transmit mode to transmit data over the out-of-band channel; and

providing, using at least one data processor, data characterizing the predicted channel quality for the out-of-band channel.

14. The system of claim 13 , wherein the cross-correlation is pre-computed using a predetermined channel model.

15. The system of claim 13 , the operations further comprising computing the cross-correlation based on prior knowledge of a type of channel model associated with the out-of-band channel.

16. The system of claim 13 , wherein the out-of-band channel is within a usable transmission bandwidth.

17. The system of claim 13 , wherein the cross-correlation is characterized by a plurality of stored correlation coefficients, each correlation coefficient corresponding to an average of two or more subcarrier channel estimates.

18. The system of claim 13 , wherein the channel quality is predicted at least once per transmitter antenna.