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Deep space communication channel characteristics under solar scintillation
Wu, Tong; Yan, Yi; Li, Yongcheng; Wang, Chunmei; Yao, Xiujuan; Li, Xue
Department空间技术部
Source PublicationProceedings - 2014 4th International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2014
2014
Pages510-515
Language英语
ISBN9781479965755
AbstractElectromagnetic waves used for deep space communications are mainly affected by the charged particles ejected by the sun. These effects may result in degradation of communication quality or communication interruption. This paper discusses the effects of solar scintillation on electro-magnetic waves, including the scintillation index which is a measure of the intensity scintillation, the coherence bandwidth and the coherence time of deep space communication channel. The deep space communication channel under solar scintillation is modeled by using Rician fading channel according to the scintillation index. The coherence bandwidth will determine whether the channel is flat fading or frequency selective fading and the coherence time will determine whether the channel is slow fading or fast fading. The approach of choosing signal band width is determined by the coherence bandwidth and the coherence time with the change of the solar elongation angle. The simulation results show the bit error rate of the signal bandwidth chosen by the proposed approach is lower than a random choice. © 2014 IEEE.
Conference Name4th International Conference on Instrumentation and Measurement, Computer, Communication and Control, IMCCC 2014
Conference DateSeptember 18, 2014 - September 20, 2014
Conference PlaceHarbin, Heilongjiang, China
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4345
Collection空间技术部
Recommended Citation
GB/T 7714
Wu, Tong,Yan, Yi,Li, Yongcheng,et al. Deep space communication channel characteristics under solar scintillation[C]:Institute of Electrical and Electronics Engineers Inc.,2014:510-515.
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