Communication device with beamforming and methods for use therewith
View Patent ↗A radio frequency (RF) transceiver includes an RF transmitter that generates a transmit signal to a remote communication device based on outbound data. An RF receiver generates inbound data based on a received signal from the remote communication device. The RF receiver includes a channel equalizer and generates post equalization performance data. A beamform controller generates a plurality of beamforming weights to adjust a beamforming pattern of an antenna array based on the post equalization performance data.
1. A radio frequency (RF) transceiver for use with an antenna array having a plurality of RF domain phase shifters that operate based on a plurality of beamforming weights, the RF transceiver comprising:
an RF transmitter, coupled to the antenna array, operable to generate a transmit signal in a millimeter wave frequency band to a remote communication device based on single-carrier modulation of outbound data;
an RF receiver, coupled to the antenna array, operable to generate inbound data based on a received signal from the remote communication device, wherein the RF receiver includes a single-carrier channel equalizer configured to select either time domain equalization or frequency domain equalization and wherein the single-carrier channel equalizer generates single carrier post equalization performance data; and
a beamform controller, coupled to the RF receiver and the antenna array, operable to generate the plurality of beamforming weights to adjust a beamforming pattern of the antenna array in accordance with the single-carrier modulation, based on the single carrier post equalization performance data, wherein the beamform controller generates the plurality of beamforming weights based on both time domain equalization and frequency domain equalization of the single-carrier channel equalizer and wherein adjusting the beamform pattern of the antenna array in accordance with the single-carrier modulation includes modifying the beamform pattern in response to a change in selection of the single-carrier channel equalizer of either the time domain equalization or the frequency domain equalization.
2. The RF transceiver of claim 1 wherein the single-carrier channel equalizer includes a single input frequency domain equalizer configured for the frequency domain equalization.
3. The RF transceiver of claim 1 wherein the single-carrier channel equalizer includes a single input time domain equalizer configured for the time domain equalization.
4. The RF transceiver of claim 1 wherein the beamform controller performs a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data.
5. The RF transceiver of claim 1 wherein the beamform controller performs a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data jointly with optimization of a single-carrier channel equalization by the single-carrier channel equalizer.
6. The RF transceiver of claim 1 wherein the change in selection of the single-carrier channel equalizer of either the time domain equalization or the frequency domain equalization includes one of: the change from the time domain equalization to the frequency domain equalization, or the change from the frequency domain equalization to the time domain equalization.
7. The RF transceiver of claim 1 wherein the remote communication device is a non-beamforming device.
8. A radio frequency (RF) transceiver for use with an antenna array, the RF transceiver comprising:
an RF transmitter, coupled to the antenna array, operable to generate a transmit signal to a remote communication device based on outbound data;
an RF receiver, coupled to the antenna array, operable to generate inbound data based on a received signal from the remote communication device, wherein the RF receiver includes a single-carrier channel equalizer that operates based on a single input and is configured to select either time domain equalization or frequency domain equalization and wherein the single-carrier channel equalizer generates single carrier post equalization performance data; and
a beamform controller, coupled to the RF receiver and the antenna array, operable to generate a plurality of beamforming weights in accordance with a single-carrier modulation to adjust a beamforming pattern of the antenna array based on the single carrier post equalization performance data, wherein the beamform controller generates the plurality of beamforming weights based on both time domain equalization and frequency domain equalization of the single-carrier channel equalizer and wherein adjusting the beamform pattern of the antenna array includes modifying the beamform pattern in response to a change in selection of the single-carrier channel equalizer of either the time domain equalization or the frequency domain equalization.
9. The RF transceiver of claim 8 wherein the change in selection of the single-carrier channel equalizer of either the time domain equalization or the frequency domain equalization includes the change from the time domain equalization to the frequency domain equalization.
10. The RF transceiver of claim 8 wherein the change in selection of the single-carrier channel equalizer of either the time domain equalization or the frequency domain equalization includes the change from the frequency domain equalization to the time domain equalization.
11. The RF transceiver of claim 8 wherein the beamform controller performs a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data.
12. The RF transceiver of claim 8 wherein the beamform controller performs a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data jointly with optimization of a single-carrier channel equalization by the single-carrier channel equalizer.
13. The RF transceiver of claim 8 wherein the remote communication device is a beamforming device.
14. The RF transceiver of claim 8 wherein the remote communication device is a non-beamforming device.
15. A method comprising:
generating a transmit signal to a remote communication device based on outbound data;
generating inbound data based on a received signal from the remote communication device, wherein generating the inbound data includes a single-carrier channel equalization;
generating single carrier post equalization performance data based on the single-carrier channel equalization based on selection of either time domain equalization or frequency domain equalization; and
generating a plurality of beamforming weights to adjust a beamforming pattern of an antenna array in accordance with a single-carrier modulation, based on based on both time domain equalization and frequency domain equalization and wherein adjusting the beamform pattern of the antenna array includes modifying the beamform pattern in response to a change in selection of either the time domain equalization or the frequency domain equalization.
16. The method of claim 15 wherein the transmit signal is generated based on the single-carrier modulation and wherein the antenna array includes a plurality of RF domain phase shifters that operate based on the plurality of beamforming weights.
17. The method of claim 15 wherein the transmit signal is in a millimeter wave frequency band.
18. The method of claim 15 wherein generating the plurality of beamforming weights includes performing a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data.
19. The method of claim 15 wherein generating the plurality of beamforming weights includes performing a search over a plurality of candidate beamforming patterns to optimize the single carrier post equalization performance data jointly with optimization of the single-carrier channel equalization.
20. The method of claim 15 wherein the remote communication device is a non-beamforming device.