Sub-THz beam-forming using near-field coupling of Distributed Active Radiator arrays

@article{Sengupta2011SubTHzBU,
  title={Sub-THz beam-forming using near-field coupling of Distributed Active Radiator arrays},
  author={Kaushik Sengupta and Ali Hajimiri},
  journal={2011 IEEE Radio Frequency Integrated Circuits Symposium},
  year={2011},
  pages={1-4}
}
The paper demonstrates Distributed Active Radiator (DAR) arrays as a novel way of beam-forming at sub-THz frequencies in CMOS. Near-field coupling is shown to be a scalable method for mutually locking multiple DARs to beam-form and generate high EIRP. As proofs of concept, 2×1 and 2×2 arrays of DARs, mutually synchronized through near-field coupling, are implemented in 65nm bulk CMOS. The paper also shows beam-forming near 200GHz for the 2×2 array with broadside EIRP of −1.9 dBm, total radiated… CONTINUE READING
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