Gigabit-class optical wireless communication system at indoor distances (1.5 ÷ 4 m)

被引：65
作者：
Cossu, Giulio [1 ]
Ali, Wajahat [1 ]
Corsini, Raffaele [1 ]
Ciaramella, Ernesto [1 ]
机构：
[1] Scuola Super Sant Anna, Ist TeCIP, Pisa, Italy
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 12期
关键词：
TRANSMISSION;
D O I：
10.1364/OE.23.015700
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we experimentally realized bidirectional optical wireless communication (OWC) link using four channel visible LED board exploiting wavelength division multiplexing (WDM) for the downlink and infrared LED for uplink. We achieved greater than 5 Gbit/s data rate at common indoor distance (1.5 to 4 m) for downlink and 1.5 Gbit/s for uplink using commercially available LEDs. We achieved these results after a careful choice of the LED emission wavelengths and the optical filter spectra. Moreover, we investigate the optimal LED working current and the optimal modulation depth. The bit error ratios of all the channels were maintained lower than the FEC limit (3.8.10(-3)). (C) 2015 Optical Society of America
引用
收藏
页码：15700 / 15705
页数：6
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