低带宽红光发光聚合物LED可见光通信中交错CAP调制的实验验证
Experimental Demonstration of Staggered CAP Modulation for Low Bandwidth Red-Emitting Polymer-LED based Visible Light Communications
摘要：
在本文中，我们实验证明，第一次，交错无载波振幅和相位（sCAP）调制的可见光通信系统的基础上，聚合物发光二极管在639 nm发射。与传统的多频带CAP相比，sCAP提供的主要优势在于其充分利用了可用频谱。在这项工作中，我们比较sCAP，它利用四个正交滤波器产生的信号，与传统的4波段多CAP系统和开关键控（OOK）。我们以相等的能量传输每种调制格式，并给出了~6 Mb/s的记录未编码传输速度。这表示在使用4-CAP和OOK的可实现速率上分别获得25%和65%的增益。
英文摘要：
In this paper we experimentally demonstrate, for the first time, staggered carrier-less amplitude and phase (sCAP) modulation for visible light communication systems based on polymer light-emitting diodes emitting at ~639 nm. The key advantage offered by sCAP in comparison to conventional multiband CAP is its full use of the available spectrum. In this work, we compare sCAP, which utilises four orthogonal filters to generate the signal, with a conventional 4-band multi-CAP system and on-off keying (OOK). We transmit each modulation format with equal energy and present a record un-coded transmission speed of ~6 Mb/s. This represents gains of 25% and 65% over the achievable rate using 4-CAP and OOK, respectively.
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