Joint Offset and Power Optimization for Visible Light DCO-OFDM Systems

被引：0
|
作者：
Ling, Xintong [1 ]
Wang, Jiaheng [1 ,2 ]
Liang, Xiao [1 ]
Ding, Zhi [3 ]
Zhao, Chunming [1 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
[2] Univ Erlangen Nurnberg, Inst Digital Commun, Erlangen, Germany
[3] Univ Calif Davis, Dept Elect & Comp Engn, Davis, CA 95616 USA
来源：
2015 IEEE GLOBAL COMMUNICATIONS CONFERENCE (GLOBECOM) | 2015年
关键词：
OPTICAL OFDM; WIRELESS; TRANSMISSION; MODULATION;
D O I：
10.1109/GLOCOM.2015.7417172
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper considers a visible light system that serves the dual purpose of illumination and communication. We maximize the joint offset and power optimization in direct-current-biased optical orthogonal frequency division multiplexing (DCO-OFDM) for visible light communications (VLC). We take both the optical and electrical power constraints into account. We analytically characterize the optimal solutions along with new insights on setting the direct current (DC) offset and information-carrying power in DCO-OFDM systems. We also investigate the relationship and impact of the optical and electrical power constraints, along with numerical results.
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页数：6
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