Metamaterial-Enabled Ultrawideband mmWave Antenna-in-Package Using Heterogeneously-Integrated Silicon IPD and HDI-PCB for B5G/ 6G Applications. - Neda Khiabani; Ching-Wen Chiang; Nai-Chen Liu; Pai-Yen Chen; Yen-Cheng Kuan; Chung-Tse Michael Wu (IEEE J. Emerg. Sel. Topics Circuits Syst., 2024)