科研之友
微信
新浪微博
Facebook
分享链接
摘要
A tri-band dual-polarized antenna array for base station applications is presented. The proposed tri-band antenna array is devised by stacking the 1 middle-band (MB) + 4 high-band (HB) interleaved array above the low-band (LB) patch antenna. The MB antenna yields partial reflection to the HB subarrays, enabling cross-band and in-band decoupling abilities without introducing additional decoupling layer. With the aid of spatial cancelation and partition, transmission nulls are successfully generated in the in-band mutual coupling curves. Measured results show that good impedance matchings and polarization isolations are acquired in the operating bandwidths. The measured co- and cross-polarized in-band isolations in the HB are improved to >22.4 dB and >29.1 dB, respectively. The HB radiation patterns are well restored.
