60 GHz Dual-Polarized High-Gain Planar Aperture Antenna Array Based on LTCC

作者：Li, Peng-Fa; Liao, Shaowei; Xue, Quan^*; Qu, Shi-Wei

来源：IEEE Transactions on Antennas and Propagation, 2020, 68(4): 2883-2894.

DOI：10.1109/TAP.2019.2957095

• 60 GHz
• dual polarization
• high gain
• integration
• low-temperature co-fired ceramic (LTCC)
• planar aperture antenna (PAA)
• short-range communication

Novel designs of planar aperture antenna (PAA) arrays are proposed in this article, which achieve dual-polarized and high-gain performances in the 60 GHz unlicensed band. In order to achieve high gain, the original PAA is expanded to its two-dimensional array form, and the two linear polarizations share the same apertures. The two polarizations are realized by using orthogonal coupling slots excited by substrate-integrated waveguide (SIW) power dividers below. Two array prototypes with 8 x 8 and 16 x 16 radiation cells are designed and manufactured based on low-temperature co-fired ceramic (LTCC) technology for ease of integration. The simulated results show that the two antennas have -10 dB impedance bandwidth and 3 dB gain bandwidth of 57.5-65 and 57-64 GHz, respectively, with stable, no-squint, and symmetrical beams in band, which is verified by measurements. Compared with other reported high-gain and dual-polarized millimeter-wave antennas, the proposed antennas feature a low-profile, simple structure while keeping high aperture efficiency. The proposed antennas are very suitable for integration and are promising in 60 GHz short-range communication applications.

• 单位
  电子科技大学