Design of New Signal System for Inter-satellite Links

doi:10.3780/j.issn.1000-758X.2011.04.003

›› 2011, Vol. 31 ›› Issue (4): 15-22.doi: 10.3780/j.issn.1000-758X.2011.04.003

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Design of New Signal System for Inter-satellite Links

HE Shan-Bao¹, LIN Yi-Ming¹, WU Le-Nan², FENG Man², WANG Ping¹, CHEN Zhong-Gui¹, XIE Jun¹

(1 Beijing Institute of Spacecraft System Engineering, Beijing 100094)
(2 School of Information Science & Engineering, Southeast University, Nanjing 210096)

Received:2011-03-20 Revised:2011-04-20 Published:2011-08-25 Online:2011-08-25

Abstract

Abstract: A novel, special and highly efficient modulation system was proposed, which combined harmoniously EBPSK （Extended BPSK）modulation, digital impulsion filter, adaptive demodulation method and parametermatching technology. The signal system of GNSS ISLs with novel modulation and demodulation was simulated and analyzed. The results show that the integrated index （bit/s/Hz/SNR）of the new signal system outperforms other present systems. And many important parameters of the new signal system, such as rate, bandwidth and SNR, may change with space environment.

Key words: Ultra narrow band modulation, Signal system, Inter-satellite links, Navigation, Satellite

HE Shan-Bao, LIN Yi-Ming, WU Le-南, FENG Man, WANG Ping, CHEN Zhong-Gui, XIE Jun. Design of New Signal System for Inter-satellite Links[J]. , 2011, 31(4): 15-22.

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Design of New Signal System for Inter-satellite Links

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