Compact dual-band antenna array for massive MIMO

2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC) Pub Date : 2016-12-21 DOI:10.1109/PIMRC.2016.7794556

Linsheng Li, M. Ali, K. Haneda

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引用次数: 3

Abstract

A compact dual band antenna operating simultaneously at 5.4 GHz and 15 GHz is presented in this paper. It is a planar array composed of a grid of 6×8 (48) patch antennas working at 5.4 GHz and 7×9 (63) patch antennas working at 15 GHz. The whole antenna array occupies an area of 150 mm × 180 mm which fits the ordinary size requirement of wireless access point. All the antenna patch antennas have a reflection coefficient lower than −6 dB across 320 and 2000 MHz bandwidth at 5 and 15 GHz. The electromagnetic coupling between any two antennas is lower than − 10 dB within the specified bandwidth. Measurement results show good agreement with the simulation of input matching, mutual coupling and radiation pattern. Compared to the ordinary antenna array design with half-wavelength spacing between two neighboring antennas, our proposed dual band array design accommodates 1.6 times more antennas at 5.4 GHz and extra 63 antennas at 15 GHz, while maintaining sufficient radiation efficiency, matching bandwidth and decoupling.

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用于大规模MIMO的紧凑型双频天线阵列

提出了一种同时工作在5.4 GHz和15 GHz频段的小型双频天线。它是一个平面阵列，由工作在5.4 GHz的6×8(48)个贴片天线和工作在15 GHz的7×9(63)个贴片天线组成。整个天线阵占地150mm × 180mm，满足无线接入点的一般尺寸要求。所有天线贴片天线在5 GHz和15 GHz的320和2000 MHz带宽上的反射系数都小于- 6 dB。在规定的带宽范围内，任意两根天线之间的电磁耦合小于−10db。测量结果表明，输入匹配、相互耦合和辐射方向图与仿真结果吻合较好。与传统的相邻天线间隔为半波长的天线阵列设计相比，我们提出的双频阵列设计在5.4 GHz时可容纳1.6倍的天线，在15 GHz时可容纳63个天线，同时保持足够的辐射效率、匹配带宽和去耦。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC)

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