Frequency Selective SINR Regeneration

1. A method in a first device communicatively coupled to a second device in a wireless network, the method comprising: receiving a first transmission that includes a wideband channel quality indicator associated with the second device; determining a received signal power estimate for each frequency band of the first transmission based on the first transmission or for each frequency band of a second received transmission based on the received second transmission; determining an average interference-plus-noise based on the wideband channel quality indicator and the received signal power estimate for each of the frequency bands; determining a signal-to-interference-plus-noise-ratio estimate for each of the frequency bands based on the associated received signal power estimate and the average interference-plus-noise; and transmitting a third transmission based on the signal-to-interference-plus-noise ratio estimate for each of the frequency bands, wherein the wideband channel quality indicator is a channel quality value disposed in a signal field transmitted to the first device which is determined by the second device based on a summation of measured signal-to-interference-plus-noise ratio values associated with different frequency units in the wideband.

2. The method of claim 1 , further comprising: performing at least one of link adaptation, scheduling, and another communicative operation based on the signal-to-interference-plus-noise ratio estimate for each of the frequency bands.

3. The method of claim 1 , wherein the wireless network includes a time-division-duplex-based network, and each of the frequency bands corresponds to a frequency sub-carrier.

4. The method of claim 1 , wherein determining the received signal power estimate for each frequency band comprises determining a transmitted signal power for each of the frequency bands.

5. The method of claim 1 , further comprising: determining a channel coefficient for each of the frequency bands; and determining the received signal power estimate for each of the frequency bands based on the channel coefficient for each of the frequency bands.

6. The method of claim 1 , wherein the first device includes a base station.

7. The method of claim 1 , wherein the wideband channel quality indicator includes a value corresponding to a ratio of a received signal power and an interference-plus-noise power from a perspective of the second device.

8. The method of claim 1 , wherein the wideband channel quality indicator includes a received signal power and an interference-plus-noise power from a perspective of the second device.

9. The method of claim 1 , wherein the wideband channel quality indicator is either a quantized linear average of a plurality of signal-to-interference-plus-noise ratios (SINRs) for a respective plurality of frequency bands or is a quantized average based on a plurality of symbol-level mutual information values corresponding to the plurality of SINRs.

10. A device in a wireless environment, comprising: at least one antenna; and a processing system configured to: receive, via the at least one antenna, a transmission that includes a wideband channel quality indicator associated with another device; calculate a received signal power estimate for each frequency band of a frequency domain; calculate an average interference-plus-noise based on the wideband channel quality indicator; calculate a signal-to-interference-plus-noise estimate for each of the frequency bands; and perform a communicative operation based on the signal-to-interference-plus-noise estimate for each of the frequency bands, wherein the wideband channel quality indicator is a channel quality value disposed in a signal field transmitted to the device which is determined by the another device based on a summation of measured signal-to-interference-plus-noise ratio values associated with different frequency units in the wideband.

11. The device of claim 10 , wherein the device includes a base station.

12. The device of claim 11 , wherein the base station operates according to a time-division communication standard, and each of the frequency bands corresponds to a frequency sub-carrier.

13. The device of claim 10 , wherein when calculating the average interference-plus-noise, the processing system is further configured to calculate the average interference-plus-noise based on the received signal power estimate for each of the frequency bands and the wideband channel quality indicator.

14. The device of claim 10 , wherein when calculating the received signal power estimate, the processing system is further configured to: calculate a transmitted signal power for each of the frequency bands; and calculate a channel coefficient for each of the frequency bands.

15. The device of claim 14 , wherein calculating the signal-to-interference-plus-noise estimate for each of the frequency bands is based on the transmitted signal power for each of the frequency bands and the channel coefficient for each of the frequency bands.

16. The device of claim 10 , wherein calculating the signal-to-interference-plus-noise estimate for each of the frequency bands is based on a quantization of a ratio of the received signal power estimate for each of the frequency bands and the average interference-plus noise.

17. The device of claim 10 , wherein the wideband channel quality indicator is either a quantized linear average of a plurality of signal-to-interference-plus-noise ratios (SINRs) for a respective plurality of frequency bands or is a quantized average based on a plurality of symbol-level mutual information values corresponding to the plurality of SINRs.

18. A non-transitory computer-readable medium containing non-transitory instructions executable by at least one processor of a device capable of receiving and transmitting signals, the computer-readable medium comprising: one or more instructions for receiving a transmission from another device, the transmission including a wideband channel quality indicator; one or more instructions for calculating a received signal power estimate for each frequency band of a frequency domain; one or more instructions for calculating an average interference-plus-noise of the frequency domain based on the wideband channel quality indicator and the received signal power estimate; one or more instructions for calculating a signal-to-interference-plus-noise estimate for each of the frequency bands based on the average interference-plus-noise; and one or more instructions for performing at least one of link adaptation, scheduling, and another communicative operation based on the calculated signal-to-interference-plus-noise estimate, wherein the wideband channel quality indicator is a channel quality value disposed in a signal field transmitted to the device which is determined by the another device based on a summation of measured signal-to-interference-plus-noise ratio values associated with different frequency units in the wideband.

19. The non-transitory computer-readable medium of claim 18 , wherein the device is operable in a network having downlink and uplink reciprocity.

20. The non-transitory computer-readable medium of claim 18 , wherein the wideband channel quality indicator is either a quantized linear average of a plurality of signal-to-interference-plus-noise ratios (SINRs) for a respective plurality of frequency bands or is a quantized average based on a plurality of symbol-level mutual information values corresponding to the plurality of SINRs.