A novel blind tracking method for high-speed laser communication
A novel blind tracking method for high-speed laser communication
- Author(s): W. Qi 1 ; H. Han 1 ; H. Zhuang 1 ; R. Wang 2
- DOI: 10.1049/icp.2021.0786
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- Author(s): W. Qi 1 ; H. Han 1 ; H. Zhuang 1 ; R. Wang 2
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View affiliations
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Affiliations:
1:
School of Information and Electronics, Beijing Institute of Technology , Beijing , China ;
2: Beijing Galaxy Inf. & Commun. Co., Ltd , Beijing , China
Source:
IET International Radar Conference (IET IRC 2020),
2021
p.
723 – 727
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Affiliations:
1:
School of Information and Electronics, Beijing Institute of Technology , Beijing , China ;
- Conference: IET International Radar Conference (IET IRC 2020)
- DOI: 10.1049/icp.2021.0786
- ISBN: 978-1-83953-540-6
- Location: Online Conference
- Conference date: 04-06 November 2020
- Format: PDF
In this paper, a novel decision feedback tracking method is proposed, which is based on frame demodulation for high-speed laser communication with less prior information. In order to reduce the length of the pilots and improve the tracking accuracy, a frequency control word addressing and pointing decision algorithm are introduced to recover the local pseudo code from the received data for tracking. Simulation results demonstrate that in the high-speed laser radar communication, this method has better tracking performance than traditional methods when the pilot length is short.
Inspec keywords: decision feedback equalisers; demodulation; codes; tracking; optical radar; optical links
Subjects: Optical radar; Communication channel equalisation and identification; Codes; Free-space optical links