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Analysis of the effects of LED direction on the performance of visible light communication system

机译:LED方向对可见光通信系统性能的影响分析

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摘要

Visible light communication (VLC) is expected to be the next generation of indoor wireless communication. A VLC system uses many LED chips, and its performance is greatly affected by the direction of light-emitting diodes (LEDs). Normally, the LEDs are directed vertically downward to the floor. In this paper, we introduce an LED layout scheme in which the LEDs tilt toward the room corners. The effects of changing LED direction on system performance, including illuminance, received power, and SNR, are analyzed. The analysis is then verified by the simulations.
机译:可见光通信(VLC)有望成为下一代室内无线通信。 VLC系统使用许多LED芯片,并且其性能在很大程度上受到发光二极管(LED)方向的影响。通常,LED垂直向下指向地板。在本文中,我们介绍了一种LED布局方案,其中LED朝房间的角落倾斜。分析了改变LED方向对系统性能的影响,包括照度,接收功率和SNR。然后通过仿真验证分析。

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