May., 2024
"Heterogeneous Metasurface Empowering Proximate High-Permittivity Ceramic Cover For a 5G Dual-Band Millimeter-Wave Smartphone"
Byeongjin Kim, Jaebaek Jung, Sumin Yun, Hosaeng Kim, and Jungsuek Oh , IEEE Transactions on Antennas and Propagation ,vol. 72 ,no. 5 ,pp. 4086-4094