Multiple Codebook-Based Non-Orthogonal Multiple Access

Ameha T. Abebe; Chung G. Kang

doi:10.1109/LWC.2020.2965939

Multiple Codebook-Based Non-Orthogonal Multiple Access

Ameha T. Abebe, Chung G. Kang

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Observing that employing a single codebook (CB) per user transmission block in the conventional CB-based non-orthogonal multiple access (NOMA) schemes doesn't exploit code and interference diversity and has limitations in some unfavorable channel conditions, this letter presents multiple CB-based NOMA (MC-NOMA) in which multiple CBs are employed by a user in a round robin manner. Performance of schemes such as sparse code multiple access (SCMA) and pattern division multiple access (PDMA) is improved by MC-NOMA without incurring any additional receiver complexity and loss in spectral efficiency. Furthermore, to fully exploit code and interference diversity for MC-NOMA, CBs assignment algorithm is presented.

Original language	English
Article number	8957418
Pages (from-to)	683-687
Number of pages	5
Journal	IEEE Wireless Communications Letters
Volume	9
Issue number	5
DOIs	https://doi.org/10.1109/LWC.2020.2965939
Publication status	Published - 2020 May

Keywords

Non-orthogonal multiple access (NOMA)
multiple codebook NOMA (MC-NOMA)
pattern division multiple access (PDMA)
sparse code multiple access (SCMA)

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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10.1109/LWC.2020.2965939

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abstract = "Observing that employing a single codebook (CB) per user transmission block in the conventional CB-based non-orthogonal multiple access (NOMA) schemes doesn't exploit code and interference diversity and has limitations in some unfavorable channel conditions, this letter presents multiple CB-based NOMA (MC-NOMA) in which multiple CBs are employed by a user in a round robin manner. Performance of schemes such as sparse code multiple access (SCMA) and pattern division multiple access (PDMA) is improved by MC-NOMA without incurring any additional receiver complexity and loss in spectral efficiency. Furthermore, to fully exploit code and interference diversity for MC-NOMA, CBs assignment algorithm is presented.",

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author = "Abebe, {Ameha T.} and Kang, {Chung G.}",

note = "Funding Information: Manuscript received December 15, 2019; accepted January 4, 2020. Date of publication January 13, 2020; date of current version May 8, 2020. This work was supported in part by Samsung Research in Samsung Electronics and in part by Korea University. The associate editor coordinating the review of this article and approving it for publication was B. Makki. (Corresponding author: Chung G. Kang.) The authors are with the Department of Electrical Engineering, Korea University, Seoul 136-713, South Korea (e-mail: ameha_tsegaye@korea.ac.kr; ccgkang@korea.ac.kr). Digital Object Identifier 10.1109/LWC.2020.2965939 Publisher Copyright: {\textcopyright} 2012 IEEE.",

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AB - Observing that employing a single codebook (CB) per user transmission block in the conventional CB-based non-orthogonal multiple access (NOMA) schemes doesn't exploit code and interference diversity and has limitations in some unfavorable channel conditions, this letter presents multiple CB-based NOMA (MC-NOMA) in which multiple CBs are employed by a user in a round robin manner. Performance of schemes such as sparse code multiple access (SCMA) and pattern division multiple access (PDMA) is improved by MC-NOMA without incurring any additional receiver complexity and loss in spectral efficiency. Furthermore, to fully exploit code and interference diversity for MC-NOMA, CBs assignment algorithm is presented.

KW - Non-orthogonal multiple access (NOMA)

KW - multiple codebook NOMA (MC-NOMA)

KW - pattern division multiple access (PDMA)

KW - sparse code multiple access (SCMA)

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Multiple Codebook-Based Non-Orthogonal Multiple Access

Abstract

Keywords

ASJC Scopus subject areas

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