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Rapid BCH Coding for Satellite Navigation Message Based on Look-Up Table

  • Conference paper
  • First Online:
China Satellite Navigation Conference (CSNC) 2012 Proceedings

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 161))

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Abstract

BCH codes have strict algebraic structure, and are easy to implement coding and decoding. As a class of code which is in-depth studied, BCH codes are widely used in all kinds of digital systems. When implementing coding of satellite navigation message, BCH coding speed has an important influence on the system performance. The traditional single-bit cyclic shift coding method is slow, and taking up much microprocessor processing time. After the analysis of the characteristics of linear block codes, a multi-bit BCH rapid coding method based on look-up table was proposed in this paper, which can be applied to arbitrary code length, and the processing time occupied by this method decrease significantly. The method was applied to the encoding process of navigation message in the BeiDou2 navigation signal simulator, and achieved a high performance.

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References

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Author information

Authors and Affiliations

  1. Satellite Navigation Research and Development Center, National University of Defense Technology, 410073, Changsha, China

    Pengyue Sun, Xin Zhang, Weihua Mou & Gang Ou

Authors
  1. Pengyue Sun
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  2. Xin Zhang
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  3. Weihua Mou
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  4. Gang Ou
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Corresponding author

Correspondence to Pengyue Sun .

Editor information

Editors and Affiliations

  1. , China Aerospace Sci. & Technology Corp., Chinese Academy of Sciences, Beijing, China, People's Republic

    Jiadong Sun

  2. GPS Engineering Res. Center, Wuhan University, Wuhan, 430079, China, People's Republic

    Jingnan Liu

  3. China Natl. Admin. of GNSS & Application, Beijing, China, People's Republic

    Yuanxi Yang

  4. Dengzhuang South Road 9, Beijing, 100094, China, People's Republic

    Shiwei Fan

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© 2012 Springer-Verlag Berlin Heidelberg

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Sun, P., Zhang, X., Mou, W., Ou, G. (2012). Rapid BCH Coding for Satellite Navigation Message Based on Look-Up Table. In: Sun, J., Liu, J., Yang, Y., Fan, S. (eds) China Satellite Navigation Conference (CSNC) 2012 Proceedings. Lecture Notes in Electrical Engineering, vol 161. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-29193-7_19

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  • DOI: https://doi.org/10.1007/978-3-642-29193-7_19

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-29192-0

  • Online ISBN: 978-3-642-29193-7

  • eBook Packages: EngineeringEngineering (R0)

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