[2] “Novel W-band LTCC transition from microstrip line to ridge gap waveguide and its application in 77 GHz antenna array,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 2, pp. 915–924, Feb. 2019.

作者：Yongrong Shi, Wenjie Feng*, Hao Wang, Wenquan Che, Quan Xue

摘要：An ultra-wideband transition from microstrip line to ridge gap waveguide (GWG) is proposed for W-band system integration with antenna array and a transceiver. Substrate integrated waveguide bridge is used in the proposed transition for electromagnet wave propagation between microstrip line and ridge GWG, which can realize impedance matching for a wideband frequency range. Back-to-back transition prototypes are fabricated by the low-temperature co-fired ceramic (LTCC) technique, and the probe measurement results show that the transition can work at W-band. Moreover, the application of the proposed transition in a LTCC slot antenna array with magnetic coupling ridge GWG feeding network operated at 77/79 GHz is studied comprehensively. The antenna performance measurements demonstrate that the proposed transition has a potential massive application in the GWG active antennas.