Abstract: In this letter, a composite decoupling structure is proposed to improve the isolation between two Vivaldi antennas. Vivaldi antennas are designed with an asymmetric structure to enhance ...
Abstract: This paper proposes a novel pilot scheme for multiuser uplink channel estimation in extra-large-scale massive MIMO (XL-MIMO) systems with extremely large aperture arrays (ELAA). The large ...
Why don’t fish in Antarctica freeze in subzero seawater? How can certain bacteria trigger ice formation in clouds or on plant surfaces? Life in freezing environments depends on precise molecular ...
Faculty of Materials Science and Technology, University of Science, Ho Chi Minh City 700000, Viet Nam Center for Innovative Materials and Architectures, Ho Chi Minh City 700000, Viet Nam Vietnam ...
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