期刊
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION
卷 64, 期 7, 页码 2689-2697出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TAP.2016.2537388
关键词
Characteristic modes; correlation; massive multiple-input multiple-output (MIMO); multielement antenna (MEA)
资金
- German Research Foundation Deutsche Forschungsgemeinschaft (DFG) [SPP 1655, HO 2226/14-1]
In this paper, we present a concept for a compact ultra-wideband multielement antenna (MEA) for massive MIMO indoor base stations. The antenna concept is based on the simultaneous excitation of different characteristic modes on each element of the MEA. This enables an effective 484 port antenna using only 121 physical antenna elements. Thereby, a size reduction of 54% compared to a generic MEA based on crossed dipoles is achieved. The antenna operates in the ultra-wide frequency band of 6-8.5 GHz with a reflection coefficient of s(ii) < -10 dB and the interelement and intraelement mutual coupling of the antenna ports is s(ji) <= -20 dB.
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