A lattice-based SCMA codebook design for IoMT communications

Xuewan Zhang; Gangtao Han; Dalong Zhang; Liuqing Yang

doi:10.1109/ICCChinaW.2019.8849945

A lattice-based SCMA codebook design for IoMT communications

Xuewan Zhang, Gangtao Han, Dalong Zhang, Liuqing Yang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Sparse code multiple access (SCMA) is a competitive non-orthogonal multiple access (NOMA) technique for the internet of medical things (IoMT). The essential problem of SCMA is to design the large scale codebooks with high coding gain. In this article, a new lattice-based codebook design method is proposed to generate the multi-dimensional constellation. Firstly, an optimization problem about multi-dimensional constellations is constructed to quest the real constellation with maximum coding gain. Secondly, by combining the dimensions of the real constellations, we construct the basic complex mother constellation. The mother constellation can increase the power diversity and ensure the constant Euclidean distance between constellation points. Finally, we generate the mother codebooks with designed mapping matrix by constellation rotation. Simulation results demonstrate that the designed codebook has higher coding gain with large codebook size, especially under the high signal to noise ratio (SNR) condition.

Original language	English (US)
Title of host publication	2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	169-173
Number of pages	5
ISBN (Electronic)	9781728107387
DOIs	https://doi.org/10.1109/ICCChinaW.2019.8849945
State	Published - Aug 2019
Externally published	Yes
Event	2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019 - Changchun, China Duration: Aug 11 2019 → Aug 13 2019

Publication series

Name	2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019

Conference

Conference	2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019
Country/Territory	China
City	Changchun
Period	8/11/19 → 8/13/19

Bibliographical note

Funding Information:
This work was supported by Natural Science and Technology Major Projects of China under Grants: 2017ZX03001001-004.

Publisher Copyright:
© 2019 IEEE.

Keywords

IoMT
Lattice
Multi-dimensional constellations
NOMA
SCMA

Publisher link

10.1109/ICCChinaW.2019.8849945

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Zhang, X., Han, G., Zhang, D., & Yang, L. (2019). A lattice-based SCMA codebook design for IoMT communications. In 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019 (pp. 169-173). [8849945] (2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICCChinaW.2019.8849945

A lattice-based SCMA codebook design for IoMT communications. / Zhang, Xuewan; Han, Gangtao; Zhang, Dalong; Yang, Liuqing.

2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 169-173 8849945 (2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Zhang, X, Han, G, Zhang, D & Yang, L 2019, A lattice-based SCMA codebook design for IoMT communications. in 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019., 8849945, 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019, Institute of Electrical and Electronics Engineers Inc., pp. 169-173, 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019, Changchun, China, 8/11/19. https://doi.org/10.1109/ICCChinaW.2019.8849945

Zhang X, Han G, Zhang D, Yang L. A lattice-based SCMA codebook design for IoMT communications. In 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 169-173. 8849945. (2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019). https://doi.org/10.1109/ICCChinaW.2019.8849945

Zhang, Xuewan ; Han, Gangtao ; Zhang, Dalong ; Yang, Liuqing. / A lattice-based SCMA codebook design for IoMT communications. 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 169-173 (2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019).

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abstract = "Sparse code multiple access (SCMA) is a competitive non-orthogonal multiple access (NOMA) technique for the internet of medical things (IoMT). The essential problem of SCMA is to design the large scale codebooks with high coding gain. In this article, a new lattice-based codebook design method is proposed to generate the multi-dimensional constellation. Firstly, an optimization problem about multi-dimensional constellations is constructed to quest the real constellation with maximum coding gain. Secondly, by combining the dimensions of the real constellations, we construct the basic complex mother constellation. The mother constellation can increase the power diversity and ensure the constant Euclidean distance between constellation points. Finally, we generate the mother codebooks with designed mapping matrix by constellation rotation. Simulation results demonstrate that the designed codebook has higher coding gain with large codebook size, especially under the high signal to noise ratio (SNR) condition.",

keywords = "IoMT, Lattice, Multi-dimensional constellations, NOMA, SCMA",

author = "Xuewan Zhang and Gangtao Han and Dalong Zhang and Liuqing Yang",

note = "Funding Information: This work was supported by Natural Science and Technology Major Projects of China under Grants: 2017ZX03001001-004. Publisher Copyright: {\textcopyright} 2019 IEEE.; 2019 IEEE/CIC International Conference on Communications Workshops in China, ICCC Workshops 2019 ; Conference date: 11-08-2019 Through 13-08-2019",

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N2 - Sparse code multiple access (SCMA) is a competitive non-orthogonal multiple access (NOMA) technique for the internet of medical things (IoMT). The essential problem of SCMA is to design the large scale codebooks with high coding gain. In this article, a new lattice-based codebook design method is proposed to generate the multi-dimensional constellation. Firstly, an optimization problem about multi-dimensional constellations is constructed to quest the real constellation with maximum coding gain. Secondly, by combining the dimensions of the real constellations, we construct the basic complex mother constellation. The mother constellation can increase the power diversity and ensure the constant Euclidean distance between constellation points. Finally, we generate the mother codebooks with designed mapping matrix by constellation rotation. Simulation results demonstrate that the designed codebook has higher coding gain with large codebook size, especially under the high signal to noise ratio (SNR) condition.

AB - Sparse code multiple access (SCMA) is a competitive non-orthogonal multiple access (NOMA) technique for the internet of medical things (IoMT). The essential problem of SCMA is to design the large scale codebooks with high coding gain. In this article, a new lattice-based codebook design method is proposed to generate the multi-dimensional constellation. Firstly, an optimization problem about multi-dimensional constellations is constructed to quest the real constellation with maximum coding gain. Secondly, by combining the dimensions of the real constellations, we construct the basic complex mother constellation. The mother constellation can increase the power diversity and ensure the constant Euclidean distance between constellation points. Finally, we generate the mother codebooks with designed mapping matrix by constellation rotation. Simulation results demonstrate that the designed codebook has higher coding gain with large codebook size, especially under the high signal to noise ratio (SNR) condition.

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A lattice-based SCMA codebook design for IoMT communications

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