Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access

Ameha T. Abebe; Joonsung Lee; Minjoog Rim; Chung G. Kang

doi:10.1109/VTCSpring.2017.8108685

Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access

Ameha T. Abebe, Joonsung Lee, Minjoog Rim, Chung G. Kang

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

5 Citations (Scopus)

Abstract

The compressive sensing-based random access may get impacted largely by other cell interference (OCI), which may shatter the sparsity of the received signal model unless the signature space assignment among interfering cells is carefully handled. In this paper, we investigate the performance of multi-sequence spreading-based random access (MSRA) scheme under multi-cell environment. In particular, a grant-free random access scenario is considered to indicate its particular attributes that fundamentally affect the cellular performance. We also give the performance of MSRA in comparison with sparse code multiple access (SCMA). We show that if a proper signature assignment is undertaken, the OCI in MSRA and other CS-based schemes can be modeled as a dispersed noise which does not critically undermine the underlying sparsity.

Original language	English
Title of host publication	2017 IEEE 85th Vehicular Technology Conference, VTC Spring 2017 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509059324
DOIs	https://doi.org/10.1109/VTCSpring.2017.8108685
Publication status	Published - 2017 Nov 14
Event	85th IEEE Vehicular Technology Conference, VTC Spring 2017 - Sydney, Australia Duration: 2017 Jun 4 → 2017 Jun 7

Publication series

Name	IEEE Vehicular Technology Conference
Volume	2017-June
ISSN (Print)	1550-2252

Other

Other	85th IEEE Vehicular Technology Conference, VTC Spring 2017
Country/Territory	Australia
City	Sydney
Period	17/6/4 → 17/6/7

Bibliographical note

Funding Information:
————————————————————————————– This work was supported in part by Institute for Information & communications Technology Promotion (IITP) grant funded by the Korea government (MSIP) (No. R0101-17-244, Development of 5G Mobile Communication Technologies for Hyper-connected smart services) and in part by the Nokia donation program.

Publisher Copyright:
© 2017 IEEE.

Keywords

Machine-Type Communication (MTC)
Multi-Sequence Spreading Random Accees (MSRA)
Multiuser Detection (MUD)
Other-Cell Interference (OCI)

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

Access to Document

10.1109/VTCSpring.2017.8108685

Cite this

Abebe, A. T., Lee, J., Rim, M., & Kang, C. G. (2017). Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access. In 2017 IEEE 85th Vehicular Technology Conference, VTC Spring 2017 - Proceedings Article 8108685 (IEEE Vehicular Technology Conference; Vol. 2017-June). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/VTCSpring.2017.8108685

Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access. / Abebe, Ameha T.; Lee, Joonsung; Rim, Minjoog et al.
2017 IEEE 85th Vehicular Technology Conference, VTC Spring 2017 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2017. 8108685 (IEEE Vehicular Technology Conference; Vol. 2017-June).

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

Abebe, AT, Lee, J, Rim, M & Kang, CG 2017, Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access. in 2017 IEEE 85th Vehicular Technology Conference, VTC Spring 2017 - Proceedings., 8108685, IEEE Vehicular Technology Conference, vol. 2017-June, Institute of Electrical and Electronics Engineers Inc., 85th IEEE Vehicular Technology Conference, VTC Spring 2017, Sydney, Australia, 17/6/4. https://doi.org/10.1109/VTCSpring.2017.8108685

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abstract = "The compressive sensing-based random access may get impacted largely by other cell interference (OCI), which may shatter the sparsity of the received signal model unless the signature space assignment among interfering cells is carefully handled. In this paper, we investigate the performance of multi-sequence spreading-based random access (MSRA) scheme under multi-cell environment. In particular, a grant-free random access scenario is considered to indicate its particular attributes that fundamentally affect the cellular performance. We also give the performance of MSRA in comparison with sparse code multiple access (SCMA). We show that if a proper signature assignment is undertaken, the OCI in MSRA and other CS-based schemes can be modeled as a dispersed noise which does not critically undermine the underlying sparsity.",

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note = "Funding Information: ————————————————————————————– This work was supported in part by Institute for Information & communications Technology Promotion (IITP) grant funded by the Korea government (MSIP) (No. R0101-17-244, Development of 5G Mobile Communication Technologies for Hyper-connected smart services) and in part by the Nokia donation program. Publisher Copyright: {\textcopyright} 2017 IEEE.; 85th IEEE Vehicular Technology Conference, VTC Spring 2017 ; Conference date: 04-06-2017 Through 07-06-2017",

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AB - The compressive sensing-based random access may get impacted largely by other cell interference (OCI), which may shatter the sparsity of the received signal model unless the signature space assignment among interfering cells is carefully handled. In this paper, we investigate the performance of multi-sequence spreading-based random access (MSRA) scheme under multi-cell environment. In particular, a grant-free random access scenario is considered to indicate its particular attributes that fundamentally affect the cellular performance. We also give the performance of MSRA in comparison with sparse code multiple access (SCMA). We show that if a proper signature assignment is undertaken, the OCI in MSRA and other CS-based schemes can be modeled as a dispersed noise which does not critically undermine the underlying sparsity.

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Multi-Cell Performance of Grant-Free and Non-Orthogonal Multiple Access

Abstract

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Bibliographical note

Keywords

ASJC Scopus subject areas

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