Journal
IEEE ACCESS
Volume 4, Issue -, Pages 2981-2988Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2016.2582786
Keywords
MIMO; multi-antenna; multi-mode; channel capacity; 5G application
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Funding
- National Natural Science Foundation of China [61471098]
- Mainland-Hong Kong-Macau-Taiwan Science and Technology Cooperation Project [2015DFT10170]
- Taiwan Institute of Economic Research Cross-Strait 5G Project [FY105]
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A hybrid antenna is proposed for future 4G/5G multiple input multiple output (MIMO) applications. The proposed antenna is composed of two antenna modules, namely, 4G antenna module and 5G antenna module. The 4G antenna module is a two -antenna array capable of covering the GSM850/900/1800/1900, UMTS2100, and LTE2300/2500 operating bands, while the 5G antenna module is an eight -antenna array operating in the 3.5-GHz band capable of covering the C-band (3400-3600 MHz), which could meet the demand of future 5G application. Compared with ideal uncorrelated antennas in an 8 x 8 MIMO system, the 5G antenna module has shown good ergodic channel capacity of similar to 40 b/s/Hz, which is only 6 b/s/Hz lower than ideal case. This multi-mode hybrid antenna is fabricated, and typically, experimental results such as S-parameter, antenna efficiency, radiation pattern, and envelope correlation coefficient are presented.
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