Sub-THz beam-forming using near-field coupling of distributed active radiator arrays
K Sengupta, A Hajimiri - 2011 IEEE Radio Frequency …, 2011 - ieeexplore.ieee.org
K Sengupta, A Hajimiri
2011 IEEE Radio Frequency Integrated Circuits Symposium, 2011•ieeexplore.ieee.orgThe 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 65 nm bulk CMOS. The paper also shows beam-forming near
200 GHz for the 2× 2 array with broadside EIRP of-1.9 dBm, total radiated power of 54 μW …
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 65 nm bulk CMOS. The paper also shows beam-forming near
200 GHz for the 2× 2 array with broadside EIRP of-1.9 dBm, total radiated power of 54 μW …
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 65 nm bulk CMOS. The paper also shows beam-forming near 200 GHz for the 2 × 2 array with broadside EIRP of -1.9 dBm, total radiated power of 54 μW and beam-scanning range for approximately ± 30° in each of the two orthogonal directions in 2 D space.
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