Ephrem T. Bekele

4-D Arrays as Enabling Technology for Cognitive Radio Systems

Paolo Rocca, Quanjiang Zhu, Ephrem T. Bekele et al. · IEEE Transactions on Antennas and Propagation · 2013 · 170 citations

Wireless Communications, Engineering, Antenna Radiation Features +16

Pulse-Shaping Strategy for Time Modulated Arrays—Analysis and Design

Ephrem T. Bekele, Lorenzo Poli, Paolo Rocca et al. · IEEE Transactions on Antennas and Propagation · 2013 · 101 citations

Periodic Time Pulses, Electrical Engineering, Engineering +10

Sparsening Conformal Arrays Through a Versatile $BCS$-Based Method

Giacomo Oliveri, Ephrem T. Bekele, F. Robol et al. · IEEE Transactions on Antennas and Propagation · 2013 · 99 citations

Numerical Analysis, Engineering, Conformal Arrangements +22

Generalized QCTO for Metamaterial-Lens-Coated Conformal Arrays

Giacomo Oliveri, Ephrem T. Bekele, Douglas H. Werner et al. · IEEE Transactions on Antennas and Propagation · 2014 · 41 citations

Engineering, Physics, Negative-index Metamaterial +13

An SbD-QCTO Approach to the Synthesis of Isotropic Metamaterial Lenses

Giacomo Oliveri, Lorenza Tenuti, Ephrem T. Bekele et al. · IEEE Antennas and Wireless Propagation Letters · 2014 · 39 citations

Photonics, Isotropic Metamaterial Lenses, Optical Materials +15