Application of group delay estimation for optical transmitter authentication using bispectrum algorithm

Xiaodan Lu; Ahmad Yasir Bin Md Said; Muhamad Fahezal Bin Ismail; Ong Yung Chieh

doi:10.1117/12.3030562

3 June 2024 Application of group delay estimation for optical transmitter authentication using bispectrum algorithm

Xiaodan Lu, Ahmad Yasir Bin Md Said, Muhamad Fahezal Bin Ismail, Ong Yung Chieh

Proceedings Volume 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024); 131821A (2024) https://doi.org/10.1117/12.3030562
Event: 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 2024, Kunming, China

Abstract

In order to authenticate the optical transmitter effectively and improve the transmission performance of the optical communication greatly, the paper studies a method of optical transmitter authentication based on group delay estimation. The paper extracts the bispectrum phase information of the optical channel according to the communication frame sequence of the transceiver system, and lists the phase frequency coefficient square matrix of the transmission system to estimate the transmitter group delay characteristic parameters. The simulation results show that, even when the signal to noise ratio (SNR) is 5dB, normalized mean square error (NMSE) of estimated group delay by the bispectrum algorithm can reach -18dB. Compared with the traditional method, the method introduced in this paper show that the group delay estimation method is more effective and has better performance against noise.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiaodan Lu, Ahmad Yasir Bin Md Said, Muhamad Fahezal Bin Ismail, and Ong Yung Chieh "Application of group delay estimation for optical transmitter authentication using bispectrum algorithm", Proc. SPIE 13182, 2024 International Conference on Optoelectronic Information and Optical Engineering (OIOE 2024), 131821A (3 June 2024); https://doi.org/10.1117/12.3030562

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KEYWORDS

Transmitters

Modulation

Optical communications

Signal to noise ratio

Optical transmission

Radio optics

Channel projecting optics

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