The new availability of transceiver architecture of RF direct sampling or RF ADC/DAC can work from DC (0 Hz) to high frequency (GHz) is changing the landscape and now you can have beamforming at the lower frequency bands [1].
[1] Radio Architecture Matters: A Review of RF Sampling vs. Zero-IF:
Radio Architecture Matters: A Review of RF Sampling vs. Zero-IF
teleforce|2 years ago
[1] Radio Architecture Matters: A Review of RF Sampling vs. Zero-IF:
Radio Architecture Matters: A Review of RF Sampling vs. Zero-IF
teleforce|2 years ago
Radio Architecture Matters: A Review of RF Sampling vs. Zero-IF:
https://www.analog.com/en/technical-articles/radio-architect...
dezgeg|2 years ago