流星余迹信道建模与仿真分析

doi:10.11959/j.issn.1000-0801.2016206

摘要/Abstract

摘要：

为检验流星余迹通信设备及软件在实战化环境中的应用效能，针对流星余迹通信信道规律复杂、实测代价高等问题，建立流星余迹信道仿真模型。通过对典型数学模型的深入研究，以欠密类流星余迹和过密类流星余迹信道模型为基础，融入了欠密类流星簇和多径信道两种特殊类型，按照概率论原理，建立了流星余迹信道混合模型，并结合流星余迹到达间隔模型，利用C++实现了流星余迹信道混合模型的仿真。该模型可生成包含单颗欠密类、单颗过密类、欠密类流星簇和多径信道等多种类型的复杂信道。仿真结果表明，所产生的流星余迹信道特征与实际信道基本相符，验证了该模型的可用性和合理性。

关键词: 流星余迹通信, 信道建模, 欠密类, 过密类, 混合模型, 到达间隔

Abstract:

In the test of the actual performance of communication device and software based on meteor burst,a model of meteor burst communication channel was established to solve the complexity of channel and difficulty of measurement.By analyzing the mathematic models of meteor burst channel,single underdense meteor trail channel and single overdense meteor trial channel were modeled as basis.Underdense meteor cluster and multipath channel were proposed to built a hybrid model based on probability principles.Combining with meteor arrival interval model,the simulation of meteor burst channel was realized by C++ programming tool.The simulation result can provide underdense meteor trail,overdense meteor trial,underdense meteor cluster and multipath channel.It indicates that the characteristics of the meteor burst channel model are basically matched with those of real channel.The result verifies usability and justifiability of the model.

Key words: meteorburstcommunication, channelmodeling, underdensemeteortrail, overdensemeteortrial, hybridmodel,arrivalinterval

夏冰,李琳琳,郑燕山. 流星余迹信道建模与仿真分析[J]. 电信科学, 2016, 32(9): 95-101.

Bing XIA,Linlin LI,Yanshan ZHENG. Modeling and simulation of meteor burst channel[J]. Telecommunications Science, 2016, 32(9): 95-101.

图/表 11

图1

图2

图4

图

表1

表2

图6

图7

图8

图9

图10

参考文献 12

[1]	李赞, 刘增基, 沈健 . 流星余迹通信理论与应用[M]. 北京: 电子工业出版社, 2011: 24-28. LI Z , LIU Z J , SHEN J . Meteor trail communication theory and application[M]. Beijing: Electronic Industry PressPress, 2011: 24-28.
[2]	JOHN D O . An analysis of meteor burst communications for military applications[J]. IEEE Transactions on Communications (S0090-6778), 1980,28(9): 1591-1601.
[3]	郑小保, 勒煜, 张国栋 ,等. 流星余迹信道统计特性及模型分析[J]. 无线电通信技术, 2013,39(2): 17-20. ZHENG X B , LE Y , ZHANG G D ,et al. Meteor trail channel statistical properties and model analysis[J]. Journal of Radio Communication Technology, 2013,39(2): 17-20.
[4]	张金平, 韩娟娟, 金力军 . 流星余迹通信信道建模与性能仿真[J]. 无线电通信技术, 2002,28(5): 41-44. ZHANG J P , HAN J J , JIN L J ,et al. Meteor trail communication channel modeling and performance simulation[J]. Journal of Radio Communication Technology, 2002,28(5): 41-44.
[5]	王栋梁, 秦建存 . 流星突发信道的Matlab模拟[J]. 无线电通信技术, 2007,33(5): 17-19. WANG D L , QIN J C . Meteor burst channel of Matlab simulation[J]. Journal of Radio Communication Technology, 2007,33(5): 17-19.
[6]	ESHLEMAN V R , MANNING L A . Radio communication by scattering from meteoric ionization[J]. IRE, 1954(42): 530-536.
[7]	HINES C O , FORSYTHE P A . The forward scattering of radio waves from over dense meteor trails[J]. Canadian Journal of Physics, 1957,35(9): 1033-1041.
[8]	郝本建, 蔡觉平, 李赞 ,等. 基于 SPW的流星余迹信道建模与系统仿真[J]. 系统仿真学报, 2010,22(7): 1782-1788. HAN B J , CAI J P , LI Z ,et al. Based on SPW meteor trail channel modeling and simulation[J]. Journal of System Simulation, 2010,22(7): 1782-1788.
[9]	SCHANKER J Z . Meteor burst communications[M]. Norwood: Artech House Inc.Press, 1990:24.
[10]	盛骤, 谢式千, 潘承毅 . 概率论与数理统计[M]. 北京: 高等教育出版社, 2001: 241-252. SHENG Z , XIE S Q , PAN C Y . Probability and mathematical statistics[M]. Beijing: Higher Education PressPress, 2001: 241-252.
[11]	MCKINLEY D W R . Meteor science and engineering[M]. New York: McGraw-HillPress, 1961: 14-15.
[12]	李赞, 陈艳霞, 刁树林 ,等. 基于快速信道捕获与系数映射均衡的流星通信接收机[J]. 电子学报, 2005,33(10): 1729-1733. LI Z , CHEN Y X , DIAO S L ,et al. Coefficient of capture and mapping based on fast channel equalization of meteor communication receiver[J]. Journal of Electronics, 2005,33(10): 1729-1733.

类型	欠密类	过密类多径	流星簇
发生概率	85%	10% 3%	2%

参数名称	发送功率/W	发送频率/MHz	电子线密度/(e·m^-1)	地球半径/km	通信距离/km
参数值	400～1 000	30～60	10¹²＜q＜10¹⁴	6 400	400～1 500