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CG-SCMA Codebook Design Based on Maximized Euclidian Distance, Journal of Telecommunications and Information Technology, 2023, nr 1
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Title: CG-SCMA Codebook Design Based on Maximized Euclidian Distance, Journal of Telecommunications and Information Technology, 2023, nr 1

Creator:

Abdullah, Hikmat N. ; Mohamed, Sura S.

Date:

2023, nr 1

Resource Type:

artykuł

Group publication title:

2023, nr 1, JTIT-artykuły

Description:

Sparse code multiple access (SCMA) is a multi-dimensional codebook based on a class of non-orthogonal multiple access (NOMA) technologies enabling the delivery of non-orthogonal resource elements to numerous users in 5G wireless communications without increasing complexity. This paper proposes a computer-generated sparse code multiple access (CG-SCMA) technique, where the minimum Euclidian distance (MED) of a star 16-point quadrature amplitude modulation is maximized by CG-SCMA, thus creating a complex SCMA codebook based on optimizing the difference between the first and other radiuses over rotated constellations. To specify the most suitable values for this constellation, it is divided into four sub-constellations using trellis coded modulation (TCM) in an effort to optimize MED. The new codebook has four sub-constellations with MED values of 3.85, 2.26, 2.26, and 3.85, respectively. Application of the message passing algorithm (MPA) ensures low complexity of the decoding process

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy

Format:

application/pdf

Resource Identifier:

oai:bc.itl.waw.pl:2263 ; ISSN 1509-4553, on-line: ISSN 1899-8852

DOI:

10.26636/jtit.2023.168122

eISSN:

1899-8852

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

codebook sparse code MPA Euclidian distance multiple access

Object collections:

Last modified:

Jun 6, 2024

In our library since:

Apr 27, 2023

Number of object content hits:

28

All available object's versions:

https://bc.itl.waw.pl/publication/2573

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Edition name Date
Mohamed, Sura S.; Abdullah, Hikmat N., CG-SCMA Codebook Design Based on Maximized Euclidian Distance, Journal of Telecommunications and Information Technology, 2023, nr 1 Jun 6, 2024

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Instytut Łączności – Państwowy Instytut Badawczy ul. Szachowa 1 04-894 Warszawa

Phone

(+48) 5128 696

E-Mail

biblioteka@il-pib.pl

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