有效的Ka波段移动卫星信道综合模型研究

doi:10.3969/j.issn.1000-436x.2012.z2.023

Journal on Communications ›› 2012, Vol. 33 ›› Issue (Z2): 172-175.doi: 10.3969/j.issn.1000-436x.2012.z2.023

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Study on an effective integrated model of Ka-band mobile satellite channel

Juan WEI,Da LIU,Gang-qi TIAN

School of Telecommunications Engineering,Xidian University,Xi’an 710071,China

Online:2012-11-25 Published:2017-08-03
Supported by:
The National Natural Science Foundation of China;111 Project(B08038);China Scholarship Council Project;The Fundamental Research Funds for the Central Universities

Abstract

Abstract:

In order to describe the Ka-band mobile satellite communications channel fading features more realitically,a mobile satellite integrated channel model was proposed.The characteristics of the mobile satellite propogation channel were analysed in detail.Weather conditions,as well as multi-path fading and shadowing were taken into account as main influencing factors.On this basis,airspace channel model was built obeying the Gaussian distribution as well ground surface,which obey Rice,Rayleigh and Lognormal joint distribution.Then the integrated channel model was presented considering weather effects on condition that the two parts are independent each other in the influence of the channel characteristics.The mathematical analysis model and simulation model of the new integrated channel model were established respectively.Finally,the BER(bit error rate)performance was analyzed for different weather conditions and shadows.Compared with the theoretical BER,the integrated channel model in satellite mobile communication systems is correct and reasonable.

Key words: Ka-band, satellite channel, probability distribution, weather effect, integrated model

Juan WEI,Da LIU,Gang-qi TIAN. Study on an effective integrated model of Ka-band mobile satellite channel[J]. Journal on Communications, 2012, 33(Z2): 172-175.

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References 8

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