By Jiadong Sun, Jingnan Liu, Shiwei Fan, Xiaochun Lu
China satellite tv for pc Navigation convention (CSNC) 2015 Proceedings offers chosen examine papers from CSNC2015, held in the course of 13th-15th may possibly in Xian, China. The subject matter of CSNC2015 is Opening-up, Connectivity and Win-win. those papers talk about the applied sciences and purposes of the worldwide Navigation satellite tv for pc procedure (GNSS), and the newest growth made within the China BeiDou procedure (BDS) specifically. they're divided into 10 themes to compare the corresponding periods in CSNC2015, which widely lined key themes in GNSS. Readers can know about the BDS and preserve abreast of the newest advances in GNSS recommendations and purposes.
SUN Jiadong is the manager fashion designer of the Compass/ BDS, and the academician of chinese language Academy of Sciences (CAS); LIU Jingnan is a professor at Wuhan collage. FAN Shiwei is a researcher at China satellite tv for pc Navigation place of work; LU Xiaochun is an academician of chinese language Academy of Sciences (CAS).
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Additional resources for China Satellite Navigation Conference (CSNC) 2015 Proceedings: Volume II
In order to simplify the complexity of satellite payload, an integrative ISL signal scheme based on CDMA technique is proposed. The question of signal frequency selection and near-far effect have been analyzed in this article. The scheme’s feasibility is justiﬁed by theoretical modeling and simulation calculation in the end. 1 Introduction The Earth-Moon Lagrange navigation system which arranges a plurality of space navigation station at Lagrange libration points networks construction with near earth satellite navigation to meet navigation and positioning requirements such as autonomous operation of near earth satellite navigation and deep space exploration.
The simulation result shows that our proposed nonlinear equalization have lower symbol error ratio and quicker convergence speed than the neural network blind equalization algorithm and channel detection aided equalization algorithm and has a good application value in the ﬁeld of engineering. 1 Introduction With development of Beidou satellite navigation communication system both in military and commercial ﬁeld. The inter-symbol interference (ISI) and inter-channel interference (ICI) become larger due to the high order modulation techniques were utilized in Beidou satellite navigation communication system .
3 SER curve with different equalization algorithm 0 10 -1 symbol error ratio 10 -2 10 -3 10 -4 neural network equalization algorithm channel detection aided equalization algorithm linear equalization algorithm our equalization algorithm 10 -5 10 0 2 4 6 SNR/dB 8 10 12 44 C. Tang et al. When the SNR is higher, the performance of channel detection aided equalization is better than other nonlinear equalization, for example, the SER is close to 10À5 with the SNR is 12 dB. Our equalization algorithm is better than network blind equalization algorithm.