The demand for transmission of massive data in 5G leads to severe cross-band coupling problems. In this paper, we focus on the cross-band induction coupling and resonance coupling problems in shared-aperture base station antennas. The reasons for the couplings are pointed out. Some epresentative cross-band decoupling techniques are summarized, such as current choke, frequency selective surface, helical coaxial cable, etc. Finally, new research developments of cross-band decoupling techniques are elaborated,including band-notched antenna, cavity-backed antenna and ferrite core loading. Simulated and measured results demonstrate that these decoupling methods can reduce the scattering or resonance interference between antennas, and realize restoration of radiation patterns.

网站会员需要登录才能在线预览，点我登录。

如何成为网站会员>>