Orthogonal Frequency Division Multiplexing for Underwater Optical Wireless Communications

被引：0
|
作者：
Razak, Nadia Abd [1 ]
Geldard, Callum T. [1 ]
Guler, Egecan [1 ]
Popoola, Wasiu . [1 ]
机构：
[1] Univ Edinburgh, Inst Digital Commun, Sch Engn, Edinburgh EH9 3JL, Scotland
来源：
2022 INTERNATIONAL CONFERENCE ON BROADBAND COMMUNICATIONS FOR NEXT GENERATION NETWORKS AND MULTIMEDIA APPLICATIONS (COBCOM) | 2022年
关键词：
OFDM;
D O I：
10.1109/COBCOM55489.2022.9880719
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the implementation of orthogonal frequency division multiplexing (OFDM) in underwater optical wireless communication (UOWC). The OFDM signal is encoded with quadrature amplitude modulation (QAM) and transmitted using a blue light emitting diode (LED) through a range of water conditions. The underwater link is initially characterised, then the effect of turbidity on the link performance is investigated. The error performance of QAM-OFDM transmission deteriorates as the turbidity increases. Finally, bit and power loading technique is applied to maximise the available data rate for the channel conditions.
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页数：6
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