no code implementations • 8 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.
no code implementations • 25 Aug 2023 • Dohyun Kim, Miguel R. Castellanos, Robert W. Heath Jr
In this paper, we formulate a sequential decision problem to jointly perform band assignment and beam management.
no code implementations • 15 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.
no code implementations • 19 Dec 2022 • Dohyun Kim, Miguel R. Castellanos, Robert W. Heath Jr
In this regard, we formulate a sequential decision problem to jointly optimize relay selection and beam management.
no code implementations • 28 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.