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IEEE Access Special Section Editorial: Physical and Medium Access Control Layer Advances in 5G Wireless Networks
2017
IEEE Access
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The authors consider the most significant channel impairments related to small-cell backhaul in dense urban environment, namely, the correlated fading with and without the presence of line-of-sight, the ...
(Uplink Scheduling and Link Adaptation for Narrowband Internet of Things Systems) propose a novel UL link adaptation scheme with the repetition number determination to guarantee transmission reliability ...
doi:10.1109/access.2017.2783020
fatcat:oobeg2yhtvfrpcwkmpzpgh4cye
Investigation on Evolving Single-carrier NOMA into Multi-carrier NOMA in 5G
2018
IEEE Access
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Meanwhile, we consider that the research challenges of SCMA and PDMA might be addressed with the stimulation of the advanced and matured progress in SC-NOMA. ...
of SC-NOMA. ...
In [163] , a novel distributed cooperation method based on the dual-tier communication is studied in the SCMA system. Luo et al. ...
doi:10.1109/access.2018.2868093
fatcat:xelry2vjgzdwhp3lj42xm4xfua
Joint User Grouping and Decoding Order in Uplink/Downlink MISO/SIMO-NOMA
2020
IEEE Access
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In this paper, we design and investigate a novel uplink/downlink (UL/DL) non-orthogonal multiple access (NOMA) network using a common relay. ...
This decoding scheme is highly suitable for implementing a NOMA system in practice. ...
CONTRIBUTION To the best of our knowledge, among the existing works on UL/DL NOMA scheme, in Nakagami-m fading environment with the dynamic decoding order has not been studied. ...
doi:10.1109/access.2020.3013835
fatcat:prugccluerh2ngbkxevlucnjo4
V2X Meets NOMA: Non-Orthogonal Multiple Access for 5G Enabled Vehicular Networks
[article]
2017
arXiv
pre-print
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Starting with a basic V2X unicast system, a novel NOMA-based scheme is proposed to tackle the technical hurdles in designing high spectral efficient scheduling and resource allocation schemes in the ultra ...
In this article, we investigate the applicability of NOMA in supporting cellular V2X services to achieve low latency and high reliability. ...
Small scale fading is considered during the power control.
C. Performance Evaluation In summary, our proposed NOMA-MCD scheme is described as below. ...
arXiv:1705.08709v1
fatcat:4ib3mtjunvdwnerxy7n3flwfwq
Analysis of NOMA-based Retransmission Schemes for Factory Automation Applications
2021
IEEE Access
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Indeed, there is a considerable research effort ongoing in the area of wireless systems, not only from academia, but also from companies, towards novel solutions that fit Industry 4.0 KPIs. ...
In all cases, a particular set of simulations has been carried out varying the main parameters, such as modulation, code rate and the injection level. ...
In [19] , the first approach of a NOMA-based 802.11n system was proposed for FA environments. ...
doi:10.1109/access.2021.3059069
fatcat:lco5wosr7ngpfdagh75omno5ty
Code-domain NOMA in Massive MIMO: When is it Needed?
[article]
2021
arXiv
pre-print
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2020 pre-print arXiv:2003.01281v2 fatcat:l4ljru5xafhtlhlxwtkjyss5uuOther Versions
A two-step UE grouping scheme is proposed for NOMA-aided mMIMO systems that is applicable to the spatial correlation matrices of the UEs that are currently active in each cell. ...
In overloaded Massive MIMO (mMIMO) systems, wherein the number K of user equipments (UEs) exceeds the number of base station antennas M, it has recently been shown that non-orthogonal multiple access ( ...
ACKNOWLEDGMENT The authors would like to acknowledge Jakob Hoydis for useful discussions in the development of Algorithm 1. ...
arXiv:2003.01281v3
fatcat:72ca24o36fdvjbinuxig7dhwfq
Application of cell-free massive MIMO in 5G and beyond 5G wireless networks: a survey
2021
Journal of Engineering and Applied Science (Cairo) (Online)
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In CF-mMIMO, many irregularly scattered single access points (APs) are linked to a central processing unit (CPU) via a backhaul network that coherently serves a limited number of mobile stations (MSs) ...
This paper presents key areas of applications of CF-mMIMO in the ubiquitous 5G, and the envisioned 6G wireless networks. ...
limited environment and improved EE [62, Channel In the regime of a massive High SE and reliable Spatial correlation at the APs, 64, hardening number of antennas, fading performance pilot contamination ...
doi:10.1186/s44147-021-00014-y
fatcat:leigco6fafhullcydsiljmzuu4
Table of Contents
2021
IEEE Systems Journal
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Ghosh 2281 Spatiotemporal Characteristics of Vehicle Trajectories in a Connected Vehicle Environment-A Case of an Extra-Long Tunnel Scenario . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Zhai
2386
Outage Probability and Ergodic Capacity of User Clustering and Beamforming MIMO-NOMA Relay System With
Imperfect CSI Over Nakagami-m Fading Channels . . . . . . . . . . T. M. Hoang, B. ...
doi:10.1109/jsyst.2021.3079624
fatcat:6f2ksqg64zgrrac4iltdf3cmqy
System Performance of Cooperative NOMA with Full-Duplex Relay over Nakagami-m Fading Channels
2019
Mobile Information Systems
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In this paper, we consider a dual-user nonorthogonal multiple access (NOMA) with the help of full-duplex decode-and-forward (DF) relay systems with respect to Nakagami-m fading channel environment. ...
Finally, simulations are conducted to confirm the validity of the analysis and show the system performance of NOMA under different fading parameters of Nakagami-m fading channels. ...
Conclusion In this paper, the system performance of cooperative NOMA networks over imperfect Nakagami-m fading environments has been studied. ...
doi:10.1155/2019/7547431
fatcat:7fjs7yveuzauzifqnb3uawxige
A Systematic Review on NOMA Variants for 5G and Beyond
2021
IEEE Access
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In [226] , the authors applied the concept of NOMA transmission with UAV assisted wireless backhaul network and proposed a novel cooperative NOMA strategy to boost the performance of the system. ...
of the MISO-NOMA system in a DL scenario. ...
doi:10.1109/access.2021.3081601
fatcat:mzmmr3km5zehhh3fnupyelfo3e
Sparse Code Multiple Access: Potentials and Challenges
2021
IEEE Open Journal of the Communications Society
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This technique has been actively investigated in recent years. In this paper, we provide a comprehensive survey of the state-of-the-art of SCMA. ...
First, we will pinpoint SCMA place in the NOMA landscape including power-domain NOMA and CD-NOMA with the aim of justifying why SCMA is prominent. ...
A performance evaluation of uplink SCMA system with different codebooks through Rayleigh fading channel is shown in Figure 14 , it is obvious that the design of codebook has an important effect on the ...
doi:10.1109/ojcoms.2021.3081166
fatcat:asq4vwdswzh37imgpdku7ipkiq
2019 Index IEEE Wireless Communications Letters Vol. 8
2019
IEEE Wireless Communications Letters
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., +, LWC April 2019 572-575
New Analytical Approach in the SER Evaluation of CSIN-Assisted AF Dual-
Hop Wireless Systems. ...
., LWC Dec. 2019 1612-1616 Cellular radio A Novel Frequency Allocation Scheme for In Band Full Duplex Systems in 5G Networks. ...
doi:10.1109/lwc.2019.2961756
fatcat:bwxehcl4ejew7a6m66prb6s4z4
Enabling Technologies for Ultra-Reliable and Low Latency Communications: From PHY and MAC Layer Perspectives
2019
IEEE Communications Surveys and Tutorials
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We identify that enabling long-term evolution (LTE) to coexist in the unlicensed spectrum is also a potential enabler of URLLC in the unlicensed band, and provide numerical evaluations. ...
This unprecedented level of reliability and latency will yield various new applications such as smart grids, industrial automation and intelligent transport systems. ...
Thus, novel methodologies should be considered in the PHY evaluation of URLLC. ...
doi:10.1109/comst.2019.2897800
fatcat:jgaahgi27rev3ieyrisn2yvh5m
Downlink Power Allocation Optimization in Pattern Division Multiple Access
2021
IEEE Access
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However, optimizing power allocation (PA) at the base station (BS) to increase the sum throughput of the downlink (DL) PDMA system still remains a challenge. ...
Therefore, to effectively improve the sum throughput of communications in the real world, we propose using PDMA with optimized PA. ...
The design of the pattern matrix for PDMA systems is investigated in [7] , [8] . Paper [8] analyzes and evaluates the design of the PDMA pattern matrix in the uplink (UL). ...
doi:10.1109/access.2021.3049493
fatcat:b6nedfmrpbhfleofpz6vmtzalq
A Survey of Non-Orthogonal Multiple Access for 5G
2018
IEEE Communications Surveys and Tutorials
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Their design principles and key features will be discussed in detail, and a systematic comparison of these NOMA schemes will be summarized in terms of their spectral efficiency, system performance, receiver ...
In this article, we provide a comprehensive survey of the original birth, the most recent development, and the future research directions of NOMA. ...
Apart from the fading simulator-based test in the Lab, a SCMA prototype has also been deployed in field trials to evaluate the performance. ...
doi:10.1109/comst.2018.2835558
fatcat:ycxmkfe3rjet7eikctqijc554m
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