A new modulation scheme of visible light communication

被引：4
|
作者：
Liu Y. [1 ]
Zhang G.-A. [1 ]
机构：
[1] School of Electronics and Information, Nantong University, Nantong
来源：
Optoelectronics Letters | 2014年 / 10卷 / 04期
基金：
中国国家自然科学基金;
关键词：
18;
D O I：
10.1007/s11801-014-4066-y
中图分类号：
学科分类号：
摘要：
In order to use white light emitting diode (LED) as a lighting source and communication part, a new modulation scheme called reverse dual header pulse interval modulation (RDH-PIM) is proposed for indoor visible light communications based on the analyses of the structures of on-off keying (OOK), pulse position modulation (PPM), digital pulse interval modulation (DPIM) and dual header pulse interval modulation (DH-PIM). After analyzing and comparing the symbol structure, bandwidth requirement and average transmission power of different modulation methods, the slot error rate is derived. Simulation results show that OOK has the minimum bandwidth, while RDH-PIM has the highest average transmission power and its bandwidth efficiency is obviously better than those of PPM and DPIM. Hence, RDH-PIM is superior in optical wireless communication systems. © 2014, Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：273 / 276
页数：3
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