Abstract
The current deep space communication is still based on traditional radio communication. However, features like long distance, weak signal, large unstable delay and high volume data make it increasingly difficult for traditional ways to meet the requirements of deep space communication. In order to improve the efficiency and speed of communication system, reduce the communication cost of aircrafts, accelerate the practical process of deep space optical quantum communication network, an optical quantum communication system based on the all-optical OFDM model is proposed. Meanwhile, based on the expansion in the Fock space, a well-performing algorithm of positive operator valued measurement called least square root quantum detection is presented, aiming at the non-orthogonality of the sending quantum symbol set. Also, several simulations of the system performance and possible influential factors are carried out. The results show that the proposed optical quantum OFDM system has a better performance with the usage of least square root quantum detection. In addition, some influential factors are analyzed and possible solutions are proposed.
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Acknowledgments
This work was supported by the National Natural Science Foundation of China under Grant No. 61571135, Shanghai Sailing Program 17YF1429100 and State Key Laboratory of Intense Pulsed Radiation Simulation and Effect Funding.
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Zhao, X., Zhou, X., Xu, C., Wang, X. (2018). Research on Deep Space Optical Quantum OFDM System Based on Positive Operator Valued Measurement Detection. In: Yu, Q. (eds) Space Information Networks. SINC 2017. Communications in Computer and Information Science, vol 803. Springer, Singapore. https://doi.org/10.1007/978-981-10-7877-4_28
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DOI: https://doi.org/10.1007/978-981-10-7877-4_28
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