Modeling and Simulation of Pathloss and Fading for Air-Ground Link of HAPs within a Network Simulator

2013 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery Pub Date : 2013-10-10 DOI:10.1109/CyberC.2013.78

Yi Zheng, Yuwen Wang, Fanji Meng

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引用次数: 37

Abstract

Development in Near Space Vehicle communication has increased the need for simulation to test and analyze protocols for this emerging technology. Network simulators lack a realistic near space path loss and fading module which would allow having accurate simulation. To explore and simulate accurately the influence of rain, cloud, gaseous absorption and multipath fading on the air-ground link, the mathematical and simulation models for the rain attenuation, cloud attenuation, gaseous absorption attenuation and Ricean fading were implemented. Moreover, modeling and simulation were done within QualNet. Simulation results quantitatively show the effects of rain attenuation, cloud attenuation, gaseous absorption attenuation and Ricean fading on the performance of packet delivery rate of the High Altitude Platform station (HAPs) air-ground link. Thus, simulation of the air-ground link becomes more accurate and reasonable. Simultaneously, the used simulation platform is also improved by integrating new models.

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网络模拟器中HAPs地空链路路径损耗和衰落的建模与仿真

近空间飞行器通信的发展增加了对仿真的需求，以测试和分析这一新兴技术的协议。网络模拟器缺乏一个真实的近空间路径损耗和衰落模块，这将允许进行准确的模拟。为了准确探索和模拟雨、云、气体吸收和多径衰落对地空链路的影响，实现了雨衰减、云衰减、气体吸收衰减和Ricean衰落的数学模型和仿真模型。并在QualNet中进行建模和仿真。仿真结果定量地展示了降雨衰减、云衰减、气体吸收衰减和Ricean衰落对高空平台站(HAPs)空对地链路分组传输速率性能的影响。从而使地空链路的仿真更加准确、合理。同时，通过集成新的模型，对现有的仿真平台进行了改进。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discovery

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