雷暴云对星地量子链路性能的影响及参数仿真

doi:10.11959/j.issn.1000-436x.2017092

通信学报 ›› 2017, Vol. 38 ›› Issue (5): 31-38.doi: 10.11959/j.issn.1000-436x.2017092

雷暴云对星地量子链路性能的影响及参数仿真

聂敏¹,石力¹,杨光^1,²,裴昌幸³

¹ 西安邮电大学通信与信息工程学院，陕西西安 710121
² 西北工业大学电子信息学院，陕西西安 710072
³ 西安电子科技大学综合业务网国家重点实验室，陕西西安 710071

修回日期:2017-02-22 出版日期:2017-05-01 发布日期:2017-05-28
作者简介:聂敏（1964-），男，陕西乾县人，西安邮电大学教授、硕士生导师，主要研究方向为量子通信、量子信息处理等。|石力（1993-），男，陕西西安人，西安邮电大学硕士生，主要研究方向为量子通信等。|杨光（1977-），女，陕西西安人，西安邮电大学讲师，主要研究方向为通信网的性能与管理、量子通信等。|裴昌幸（1945-），男，陕西泉县人，西安电子科技大学教授、博士生导师，主要研究方向为无线通信、通信抗干扰、网络测量、电视系统、高频电子线路以及现代滤波网络等。
基金资助:
国家自然科学基金资助项目(61172071);国家自然科学基金资助项目(61201194);陕西省自然科学基础研究计划基金资助项目(2014JQ8318);陕西省国际科技合作与交流计划基金资助项目(2015KW-013);陕西省教育厅科研计划基金资助项目(16JK1711)

Influence of thunderstorm cloud on the performance of satellite-to-ground quantum link and parameters simulation

Min NIE¹,Li SHI¹,Guang YANG^1,²,Chang-xing PEI³

¹ School of Communication and Information Engineering,Xi’an University of Posts and Telecommunications,Xi’an 710121,China
² School of Electronics and Information,Northwestern Polytechnical University,Xi’an 710072,China
³ State Key Laboratory of Integrated Service Networks,Xidian University,Xi’an 710071,China

Revised:2017-02-22 Online:2017-05-01 Published:2017-05-28
Supported by:
The National Natural Science Foundation of China(61172071);The National Natural Science Foundation of China(61201194);The Natural Science Research Foundation of Shaanxi Province(2014JQ8318);The International Scientific and Technological Cooperation and Exchange Program of Shaanxi Province(2015KW-013)

摘要/Abstract

摘要：

为了研究雷暴云对星地量子链路信道的影响，根据雷暴云中大气带电粒子的消光截面与数目浓度分布函数，得到了粒子浓度、电荷密度与链路衰减系数的关系。建立了粒子浓度、电荷密度与信道容量、信道平均保真度、信道生存函数和量子密钥分发系统误码率之间的关系。仿真结果表明，雷暴云对星地量子链路性能有显著的影响。所以，应根据雷暴云的预报情况，自适应调整量子卫星通信系统的各项参数，以提高星地链路的可靠性。

关键词: 星地量子链路, 雷暴云, 大气带电粒子, 电荷密度, 退极化信道

Abstract:

In order to investigate the effect of thunderstorm cloud on the performance of satellite-to-ground quantum link,according to the extinction cross section and the number concentration distribution function of the charged particle in the thunderstorm cloud,the relationships among the particle concentration,charge density and link attenuation of charged particles in atmosphere were established.The relationship between the atmospheric concentration of charged particles,the charge density on the average channel capacity,channel fidelity,channel survival function and bit error rate of quantum key distribution system were put out.The simulation results show that the thunderstorm cloud has a significant effect on the performance of the satellite-to-ground quantum link.So in order to improve the reliability of satellite-ground quantum communication,the system parameters should be adjusted according to the forecast of the thunderstorm cloud.

Key words: satellite-to-ground quantum link, thunderstorm cloud, charged particles in the atmosphere, charge density, depolarization channel

中图分类号:

P427

聂敏,石力,杨光,裴昌幸. 雷暴云对星地量子链路性能的影响及参数仿真[J]. 通信学报, 2017, 38(5): 31-38.

Min NIE,Li SHI,Guang YANG,Chang-xing PEI. Influence of thunderstorm cloud on the performance of satellite-to-ground quantum link and parameters simulation[J]. Journal on Communications, 2017, 38(5): 31-38.

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参数	取值
θ ₀	90^o
E₀	20 kV·m^?1
m	1.75+0.35i
σ ₂	0.38 μC·m^?1
d	10 km

参数	取值
η	0.65
n_b	10^?3
n_d	10^?6
G_s	0.5
O_r	0.5
μ	1
V	0.5
U_a	1
G_c	1

雷暴云对星地量子链路性能的影响及参数仿真

Influence of thunderstorm cloud on the performance of satellite-to-ground quantum link and parameters simulation

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