Improved Synchronization Scheme for the Photon- Counting-Based Underwater Optical Wireless Communication System

被引：0
|
作者：
Huang, Nuo [1 ]
Zhu, Yu [1 ]
Liu, Weijie [1 ]
Xu, Zhengyuan [1 ]
机构：
[1] Univ Sci & Technol China, Sch Informat Sci & Technol, CAS Key Lab Wireless Opt Commun, Hefei 230027, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2023年 / 15卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Photon-counting; underwater optical wireless communication; synchronization; FRAME SYNCHRONIZATION;
D O I：
10.1109/JPHOT.2023.3266442
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：
To address existing issues in conventional correlation method, we propose an improved synchronization method for photon-counting-based underwater optical wireless communication system employing on-off keying modulation.The proposed method jointly estimates the synchronization position, signal intensity, background intensity and data sequence based on the received vector in the period of a frame length. To reduce the complexity for solving the estimation problem, several simplifications are performed based on the characteristics of the data sequence. Experimental results show that the proposed method achieves an optical power gain of at least 1 dB over the correlation method at the bit error rate of 10(-3) under dynamic channel.
引用
收藏
页数：6
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