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International Conference in Communications, Signal Processing, and Systems

CSPS 2018: Communications, Signal Processing, and Systems pp 32–38Cite as

Design and Implementation of a DSSS/UQPSK Demodulation Algorithm Based on FPGA

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 515))

Abstract

This paper presents a scheme of UQPSK demodulation algorithm on FPGA which is based on direct sequence spread spectrum (DSSS) communication system. The research is focused on synchronization technology of DSSS/UQPSK signal and design of synchronization loops. The main content of this demodulation algorithm includes carrier synchronization loop and DSSS code synchronization loop. Among them, carrier synchronization loop adopts a second-order feedback closed-loop based on the theory of Costas, and DSSS code synchronization loop uses a method of spread spectrum signal acquisition sliding correlation. In the project that the author participated in, the function of DSSS/UQPSK demodulation algorithm was realized successfully on the FPGA platform.

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References

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Author information

Authors and Affiliations

  1. Harbin Institute of Technology, Xidazhijie, 92, Harbin, 150001, China

    Yongkui Ma, Shaopeng Zhang & Jiayan Zhang

Authors
  1. Yongkui Ma
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  2. Shaopeng Zhang
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  3. Jiayan Zhang
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Corresponding authors

Correspondence to Yongkui Ma , Shaopeng Zhang or Jiayan Zhang .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX, USA

    Qilian Liang

  2. School of Information and Communication Engineering, Dalian University of Technology, Dalian, Liaoning, China

    Xin Liu

  3. School of Information Science and Technology, Dalian Maritime University, Dalian, China

    Zhenyu Na

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Jiasong Mu

  6. College of Physical and Electronic Information, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2019 Springer Nature Singapore Pte Ltd.

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Cite this paper

Ma, Y., Zhang, S., Zhang, J. (2019). Design and Implementation of a DSSS/UQPSK Demodulation Algorithm Based on FPGA. In: Liang, Q., Liu, X., Na, Z., Wang, W., Mu, J., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2018. Lecture Notes in Electrical Engineering, vol 515. Springer, Singapore. https://doi.org/10.1007/978-981-13-6264-4_4

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  • DOI: https://doi.org/10.1007/978-981-13-6264-4_4

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-6263-7

  • Online ISBN: 978-981-13-6264-4

  • eBook Packages: EngineeringEngineering (R0)

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