Design of a Non-Orthogonal multi-band Carrierless Amplitude and Phase Modulated Indoor Visible Light Communication System using Adaptive Equalizers

2021 5th Conference on Information and Communication Technology (CICT) Pub Date : 2021-12-10 DOI:10.1109/CICT53865.2020.9672376

S. S, Srijith Kanakambaran

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引用次数: 1

Abstract

Visible Light Communication (VLC) is a technology that can accompany high frequency fifth generation systems to enhance performance in user-dense areas. Multi - band Carrierless Amplitude and Phase (CAP) modulation can be used in VLC Systems to provide higher data rates by dividing the available bandwidth into multiple sub-carriers that can carry different data streams without overlapping. In this work, a non-orthogonal multi-band CAP Visible Light Communication system is designed using adaptive equalizers for different pulse shaping functions and compared with conventional multi-band CAP Visible Light Communication systems. The non-orthogonal multi-band CAP Visible Light Communication system achieves a bit error rate of around 10–3 for different pulse shaping functions. Among the Square Root Raised Cosine, Xia and Better-than Nyquist pulse shaping functions, the Better-Than Nyquist pulse shaping function has the best bit error rate performance, followed by Xia and Square Root Raised Cosine pulse shaping functions.

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基于自适应均衡器的非正交多频带无载波调幅调相室内可见光通信系统设计

可见光通信(VLC)是一种伴随高频第五代系统的技术，可在用户密集区域增强性能。多频带无载波振幅和相位(CAP)调制可用于VLC系统，通过将可用带宽划分为多个可携带不同数据流而不重叠的子载波来提供更高的数据速率。本文设计了一种非正交多波段CAP可见光通信系统，采用自适应均衡器实现不同的脉冲整形功能，并与传统的多波段CAP可见光通信系统进行了比较。非正交多波段CAP可见光通信系统在不同脉冲整形功能下的误码率约为10-3。在平方根提余弦、Xia和Better-than Nyquist脉冲整形函数中，Better-than Nyquist脉冲整形函数的误码率性能最好，其次是Xia和平方根提余弦脉冲整形函数。

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2021 5th Conference on Information and Communication Technology (CICT)

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