Design of SCMA C odebook B ased on QAM segmentation constellation

A Meriem, H Anas, L Adnane, A Mounir - International Conference on …, 2022 - Springer
Non-orthogonal multiple access (NOMA) has been envisioned as a promising multiple
access (MA) technique for the fifth generation (5G) mobile systems. The spectral efficiency …

Improving spectral efficiency in the SCMA uplink channel

S Vidal-Beltrán, JL López-Bonilla - Mathematics, 2021 - mdpi.com
The Third Generation Partnership Project (3GPP) and the International Telecommunication
Union (ITU) identified the technical requirements that the fifth generation of mobile …

Scma codebook design based on a 16 star-qam with med maximization

A Meriem, H Anas, L Adnane… - ITM Web of …, 2022 - itm-conferences.org
The SCMA codebook design is based on star-QAM signalling constellations with operating
several segmentations to generate the different user's codebook while considering the MED …

Improving the Decoding of SVD-SCMA Signals through Matrix Transformations.

S Vidal-Beltrán, JL López-Bonilla… - … of Engineering & …, 2024 - search.ebscohost.com
This work proposes to use the properties of the Moore-Penrose pseudo inverse (PINV), to
pre-process the information received in a 5G and Beyond communications system (B5G) …

Impact Of Subcarrier Allocation By Rows On Total Sum Rate For Scma Systems

S Vidal-Beltran, MA Acevedo-Mosqueda - Fractals, 2021 - World Scientific
Sparse code multiple access (SCMA) is a promising technique of non-orthogonal multiple
access technology (NOMA). SCMA has the potential to increase the Total Sum Rate (TSR) in …

[PDF][PDF] Improving Spectral Efficiency in the SCMA Uplink Channel. Mathematics 2021, 9, 651

S Vidal-Beltrán, JL López-Bonilla - 2021 - pdfs.semanticscholar.org
The Third Generation Partnership Project (3GPP) and the International Telecommunication
Union (ITU) identified the technical requirements that the fifth generation of mobile …