Multi-user detection for the downlink of NOMA systems with multi-antenna schemes and power-efficient amplifiers

Abstract

Non-orthogonal multiple access (NOMA) schemes have been recognized as a promising multiple access method for the fifth generation (5G) communication systems. In NOMA, multiple users can share the same physical channel, which allows for a substantial increase in capacity gains when comparing to conventional orthogonal multiple access (OMA) techniques. This paper considers the downlink transmission of NOMA schemes combined with single-carrier (SC) signals. We present a multi-antenna transmission technique that is compatible with highly efficient power amplifiers without requiring any pre-processing. Furthermore, a multi-user detection scheme based on iterative frequency-domain equalization (FDE) is presented. We show that besides the high power-efficiency of the transmission scheme, the system's performance can be close to the matched filter bound (MFB).

Original language	English
Pages (from-to)	199-205
Number of pages	7
Journal	Physical Communication
Volume	33
DOIs	https://doi.org/10.1016/j.phycom.2019.01.003
Publication status	Published - 1 Apr 2019

Keywords

Efficient power amplification
Iterative frequency-domain detection
Multi-antenna systems
NOMA
SC-FDE

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1016/j.phycom.2019.01.003

Fingerprint Dive into the research topics of 'Multi-user detection for the downlink of NOMA systems with multi-antenna schemes and power-efficient amplifiers'. Together they form a unique fingerprint.

Cite this

Ribeiro, F. C., Guerreiro, J., Dinis, R., Cercas, F., & Jayakody, D. N. K. (2019). Multi-user detection for the downlink of NOMA systems with multi-antenna schemes and power-efficient amplifiers. Physical Communication, 33, 199-205. https://doi.org/10.1016/j.phycom.2019.01.003

@article{6338a3f959114341a0a5ed571b080802,

title = "Multi-user detection for the downlink of NOMA systems with multi-antenna schemes and power-efficient amplifiers",

abstract = "Non-orthogonal multiple access (NOMA) schemes have been recognized as a promising multiple access method for the fifth generation (5G) communication systems. In NOMA, multiple users can share the same physical channel, which allows for a substantial increase in capacity gains when comparing to conventional orthogonal multiple access (OMA) techniques. This paper considers the downlink transmission of NOMA schemes combined with single-carrier (SC) signals. We present a multi-antenna transmission technique that is compatible with highly efficient power amplifiers without requiring any pre-processing. Furthermore, a multi-user detection scheme based on iterative frequency-domain equalization (FDE) is presented. We show that besides the high power-efficiency of the transmission scheme, the system's performance can be close to the matched filter bound (MFB).",

keywords = "Efficient power amplification, Iterative frequency-domain detection, Multi-antenna systems, NOMA, SC-FDE",

author = "Ribeiro, {Filipe Casal} and Jo{\~a}o Guerreiro and Rui Dinis and Francisco Cercas and Jayakody, {Dushantha Nalin K.}",

year = "2019",

month = apr,

day = "1",

doi = "10.1016/j.phycom.2019.01.003",

language = "English",

volume = "33",

pages = "199--205",

journal = "Physical Communication",

issn = "1874-4907",

publisher = "Elsevier",

}

TY - JOUR

T1 - Multi-user detection for the downlink of NOMA systems with multi-antenna schemes and power-efficient amplifiers

AU - Ribeiro, Filipe Casal

AU - Guerreiro, João

AU - Dinis, Rui

AU - Cercas, Francisco

AU - Jayakody, Dushantha Nalin K.

PY - 2019/4/1

Y1 - 2019/4/1

N2 - Non-orthogonal multiple access (NOMA) schemes have been recognized as a promising multiple access method for the fifth generation (5G) communication systems. In NOMA, multiple users can share the same physical channel, which allows for a substantial increase in capacity gains when comparing to conventional orthogonal multiple access (OMA) techniques. This paper considers the downlink transmission of NOMA schemes combined with single-carrier (SC) signals. We present a multi-antenna transmission technique that is compatible with highly efficient power amplifiers without requiring any pre-processing. Furthermore, a multi-user detection scheme based on iterative frequency-domain equalization (FDE) is presented. We show that besides the high power-efficiency of the transmission scheme, the system's performance can be close to the matched filter bound (MFB).

AB - Non-orthogonal multiple access (NOMA) schemes have been recognized as a promising multiple access method for the fifth generation (5G) communication systems. In NOMA, multiple users can share the same physical channel, which allows for a substantial increase in capacity gains when comparing to conventional orthogonal multiple access (OMA) techniques. This paper considers the downlink transmission of NOMA schemes combined with single-carrier (SC) signals. We present a multi-antenna transmission technique that is compatible with highly efficient power amplifiers without requiring any pre-processing. Furthermore, a multi-user detection scheme based on iterative frequency-domain equalization (FDE) is presented. We show that besides the high power-efficiency of the transmission scheme, the system's performance can be close to the matched filter bound (MFB).

KW - Efficient power amplification

KW - Iterative frequency-domain detection

KW - Multi-antenna systems

KW - NOMA

KW - SC-FDE

UR - http://www.scopus.com/inward/record.url?scp=85060550940&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85060550940&partnerID=8YFLogxK

U2 - 10.1016/j.phycom.2019.01.003

DO - 10.1016/j.phycom.2019.01.003

M3 - Article

AN - SCOPUS:85060550940

VL - 33

SP - 199

EP - 205

JO - Physical Communication

JF - Physical Communication

SN - 1874-4907

ER -