Search Results for author: Miguel R. Castellanos

Found 5 papers, 0 papers with code

Electromagnetic manifold characterization of antenna arrays

no code implementations8 Nov 2023 Miguel R. Castellanos, Robert W. Heath Jr

Antenna behaviors such as mutual coupling, near-field propagation, and polarization cannot be neglected in signal and channel models for wireless communication.

Hierarchical Codebook Design with Dynamic Metasurface Antennas for Energy-Efficient Arrays

no code implementations15 May 2023 Joseph Carlson, Miguel R. Castellanos, Robert W. Heath Jr

While the DMA provides lower spectral efficiency results than the active phased array, the DMA achieves a higher energy efficiency because of the significant power consumption for the active phase shifters.

A wideband generalization of the near-field region for extremely large phased-arrays

no code implementations28 Jun 2022 Nitish Deshpande, Miguel R. Castellanos, Saeed R. Khosravirad, Jinfeng Du, Harish Viswanathan, Robert W. Heath Jr

The narrowband and far-field assumption in conventional wireless system design leads to a mismatch with the optimal beamforming required for wideband and near-field systems.

Cannot find the paper you are looking for? You can Submit a new open access paper.