Title :
Multi-layer beamforming lens antenna array with a new line design for millimeter-wave system-in-package applications
Author :
Lee, Woosung ; Young Sub Kim ; Kim, Young Sub ; Yoon, Young Joong
Author_Institution :
Sch. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
Two types of Rotman lenses have been designed to show the feasibility of multi-layer Rotman lenses for millimetre-wave system-in-package applications. Firstly, a two-layer Rotman lens-fed antenna array is designed to reduce the total size of the beamforming antenna array. A new design of constrained lines is proposed to reduce the delay lines. In addition to the size reduction, the proposed two-layer Rotman lens can improve the performances such as efficiency and beam pattern. Then, the two-layer design has been expanded to a Rotman lens with an 8-layer PCB substrate. The performance of the lens was verified from the simulated and measured results. The insertion loss and the radiation patterns were obtained from calculation and measurement. These results indicate that the proposed design would be useful for implementing beamforming system in packaging technologies such as SiP.
Keywords :
antenna arrays; antenna radiation patterns; lens antennas; printed circuits; system-in-package; 8-layer PCB substrate; antenna radiation patterns; constrained line design; insertion loss; millimeter-wave system-in-package applications; multilayer Rotman lenses; multilayer beamforming lens antenna array; size reduction; Antenna arrays; Antenna measurements; Array signal processing; Arrays; Delay lines; Lenses; Substrates;
Conference_Titel :
Antennas and Propagation (EUCAP), Proceedings of the 5th European Conference on
Conference_Location :
Rome
Print_ISBN :
978-1-4577-0250-1