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Design of Codebook for High Overload SCMA

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Communications, Signal Processing, and Systems (CSPS 2019)

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 571))

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Abstract

With the development of mobile communication and multiple access technology, SCMA (Sparse Code Division Multiple Access) technology, as a new access technology, can improve the overload rate, gain coding gain and maintain low complexity because of the limited spectrum resources in the new demand scenario. Firstly, according to the principle of SCMA, this paper will introduce the superiority of LDS technology, the uplink and downlink model of SCMA technology and MPA algorithm of receiver. Secondly, based on the standard of bit error rate, a feasible design method of SCMA codebook is studied in this paper. In the design of codebook, it is mainly designed for 15 users, 6 chips, overload rate of 2.5 scenarios. In the design, we mainly use the method of phase rotation optimization, and design these two schemes according to the design method of copying LDPC codebook. And the bit error rate is analysed.

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Acknowledgements

Manuscript received Month June, 2019; revised July 25th, 2019.

This work was supported by the National Natural Science Foundation of China under Grant 61671183 and Grant 61771163 (Corresponding author: Min Jia).

This work was supported in part by the Open Fund Project of Science and Technology on Communication Networks Laboratory under Grant SXX18641X028.

Author information

Authors and Affiliations

  1. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China

    Min Jia, Shiyao Meng, Qing Guo & Xuemai Gu

  2. Science and Technology on Communication Networks Laboratory, Shijiazhuang, China

    Min Jia

Authors
  1. Min Jia
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  2. Shiyao Meng
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  3. Qing Guo
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  4. Xuemai Gu
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Corresponding author

Correspondence to Min Jia .

Editor information

Editors and Affiliations

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

    Qilian Liang

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

    Wei Wang

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

    Xin Liu

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

    Zhenyu Na

  5. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, China

    Min Jia

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

    Baoju Zhang

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Jia, M., Meng, S., Guo, Q., Gu, X. (2020). Design of Codebook for High Overload SCMA. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_324

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  • DOI: https://doi.org/10.1007/978-981-13-9409-6_324

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-9408-9

  • Online ISBN: 978-981-13-9409-6

  • eBook Packages: EngineeringEngineering (R0)

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