雾霾天气下卫星信道三状态Markov模型研究

doi:10.16182/j.issn1004731x.joss.201705002

系统仿真学报 ›› 2017, Vol. 29 ›› Issue (5): 941-949.doi: 10.16182/j.issn1004731x.joss.201705002

雾霾天气下卫星信道三状态Markov模型研究

郭业才^1,2, 蔡力坚¹, 赵卫娟¹, 张秀再¹

1.南京信息工程大学电子与信息工程学院,南京 210044;
2.江苏省大气环境与装备技术协同创新中心,南京 210044

收稿日期:2015-05-22 修回日期:2016-04-25 出版日期:2017-05-08 发布日期:2020-06-03
作者简介:郭业才(1962-),男,安徽安庆,博士,教授,博导,研究方向为水声信号处理、通信信号处理、自适应盲均衡技术。
基金资助:
国家自然科学基金(61673222, 61371131),江苏省高校自然科学研究重大项目(13KJA510001),江苏高校品牌专业建设项目(PPZY2015B134)

Research and Simulation of Satellite Channel Three-State Markov Model under Fog-and-Haze Weather

Guo Yecai^1,2, Cai Lijian¹, Zhao Weijuan¹, Zhang Xiuzai¹

1. College of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;
2. Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology (CICAEET), Nanjing 210044, China

Received:2015-05-22 Revised:2016-04-25 Online:2017-05-08 Published:2020-06-03

摘要/Abstract

摘要： 为准确反映雾霾天气对卫星信道统计特性的影响,将雾霾天气划分为雾状态、雾霾混合状态和霾状态,分别用Rice模型、Corazza模型和Suzuki模型进行描述;根据雾霾天气状态间的转换关系,建立了雾霾天气下卫星信道三状态Markov模型;以定义的联合电平通过率、平均衰落持继时间及联合电平通过率的相对误差为性能指标进行了仿真验证。仿真结果表明,与雾霾天气下卫星信道单状态和两状态模型相比,卫星信道三状态Markov模型能更好地描述卫星信号的衰落特性,更加贴近实际。

关键词: 雾霾天气, 卫星信道, Markov模型, 统计特性参量

Abstract: To accurately reflect the influence on the statistical characteristics of satellite channel under the fog-and-haze weather, the fog-and-haze weather was divided into the fog state, mixed state, and haze state, respectively, and their statistical characteristics were described by Rice model, Corazza model, and Suzuki model. Based on analyzing the conversion relation between fog-and-haze weather states, the satellite channel three-state Markov model was proposed. The defined joint level pass rate, the average fading duration and its relative error were used as the performance index of the satellite channel model, and the simulation tests were carried out. The simulation results show that compared with the single state and two-state model of the satellite channel in the fog-and-haze weather, the proposed model can describe the fading characteristics of the satellite signals better, and is more close to the actual.

Key words: fog-and-haze weather, satellite channel, Markov model, statistical characteristics parameters

中图分类号:

TN927.23

郭业才, 蔡力坚, 赵卫娟, 张秀再. 雾霾天气下卫星信道三状态Markov模型研究[J]. 系统仿真学报, 2017, 29(5): 941-949.

Guo Yecai, Cai Lijian, Zhao Weijuan, Zhang Xiuzai. Research and Simulation of Satellite Channel Three-State Markov Model under Fog-and-Haze Weather[J]. Journal of System Simulation, 2017, 29(5): 941-949.

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雾霾天气下卫星信道三状态Markov模型研究

Research and Simulation of Satellite Channel Three-State Markov Model under Fog-and-Haze Weather

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