Full-duplex transmission of IEEE 802.11ac-compliant MIMO WLAN signals over a 2-km 7-core fiber

被引：4
|
作者：
Fan, Yuting [1 ]
Li, Jianqiang [1 ]
Lei, Yi [1 ]
Tang, Ming [2 ,3 ]
Yin, Feifei [1 ]
Dai, Yitang [1 ]
Xu, Kun [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, WNLO, Wuhan 430074, Peoples R China
[3] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Natl Engn Lab Next Generat Internet Access Syst, Wuhan 430074, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2017年 / 15卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Crosstalk;
D O I：
10.3788/COL201715.010011
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this Letter, we experimentally demonstrate a full-duplex transmission system of IEEE 802.11ac-compliant multiple-input multiple-output (MIMO) signals over a 2-km 7-core fiber for in-building wireless local-area network (WLAN) distributed antenna systems. For full-duplex 3 x 3 MIMO demonstration, the crosstalk impacts of both fiber-transmission-only and optic-wireless transmission situation are evaluated. The results indicate that the impact of crosstalk on radio-over-fiber (ROF) link performance is not significant and the quality of the cascaded multi-core fiber and wireless channel is mainly determined by the wireless part. To further improve the system capacity, polarization multiplexing (PolMux) technology is employed to achieve a full-duplex 6 x 6 MIMO over a single 7-core fiber. Although employing the PolMux method will slightly decrease the EVM and condition number performance as opposed to a non-PolMux MCF system, it is still a competitive solution in large optical connection demand scenarios that require a low cost.
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页数：5
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