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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Utilization of an OLED-Based VLC System in Office Corridor and Semi-Open Corridor Environments
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Utilization of an OLED-Based VLC System in Office Corridor and Semi-Open Corridor Environments

机译：在办公室走廊和半开走廊环境中使用基于OLED的VLC系统

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Organic light emitting diodes (OLEDs) have recently received growing interest for their merits as soft light and large panels at a low cost for the use in public places such as airports, shopping centers, offices, and train or bus stations. Moreover, the flexible substrate-based OLEDs provide an attractive feature of having curved or rolled lighting sources for the use in wearable devices and display panels. This technology can be implemented in visible light communications (VLC) for several applications such as visual display, data communications, and indoor localization. This article aims to investigate the use of flexible OLED-based VLC in indoor environments (i.e., office, corridor and semi-open corridor in shopping malls). We derive a two-term power series model to be match with the root-mean-square delay spread and optical path loss (OPL). We show that, for OLED positioned on outer-wall of shops, the channel gain is enhanced in contrast to them being positioned on the inner-wall. Moreover, the channel gain in empty environments is higher compare with the furnished rooms. We show that, the OPL for a 10 m link span are lower by 4.4 and 6.1 dB for the empty and semi-open corridors compared with the furnished rooms, when OLED is positioned on outer-wall of shops. Moreover, the channel gain in the corridor is higher compared with the semi-open corridor. We also show that, in furnished and semi-open corridors the OPL values are 55.6 and 57.2 dB at the center of corridor increasing to 87.6 and 90.7 dB at 20 m, respectively, when OLED is positioned on outer-wall of shops.
机译：有机发光二极管（OLED）最近收到了柔和的光明和大面板的优点，以便在机场，购物中心，办公室和火车站等公共场所使用的低成本。此外，柔性基板的OLED提供了具有用于可穿戴装置和显示面板的弯曲或轧制照明源的有吸引力的特征。该技术可以在可见光通信（VLC）中实现，用于若干应用，例如视觉显示，数据通信和室内定位。本文旨在调查柔性OLED的VLC在室内环境中的使用（即购物商场中的办公室，走廊和半开放式走廊）。我们推出了双级功率系列模型与根均方延迟扩展和光路损耗（OPL）匹配。我们表明，对于位于商店的外壁上的OLED，频道增益与定位在内壁上的沟道增益增强。此外，空环境中的信道增益与家具的房间比较更高。我们展示，与家具客房定位在商店的外墙上，对于10米链路跨度的OPL为10米链路跨度的opl为4.4和6.1 dB，而空的和半开放式走廊。而且，与半开走廊相比，走廊中的通道增益更高。我们还表明，在家具和半开走廊中，OPL值为55.6和57.2dB，分别在OLED位于商店的外墙上时分别增加到20米的87.6和90.7 dB。

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