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Evolution of NOMA Toward Next Generation Multiple Access (NGMA) for 6G [article]

Yuanwei Liu and Shuowen Zhang and Xidong Mu and Zhiguo Ding and Robert Schober and Naofal Al-Dhahir and Ekram Hossain and Xuemin Shen
2022 arXiv   pre-print
As the research on NGMA is in a very early stage, in this paper, we explore the evolution of NGMA with a particular focus on non-orthogonal multiple access (NOMA), i.e., the transition from NOMA to NGMA  ...  To address these challenges, advanced multiple access schemes are expected to be developed, namely next generation multiple access (NGMA), which are capable of supporting massive numbers of users in a  ...  Machine Learning MP Message Passing MUD Multiuser Detection NGMA Next Generation Multiple Access NOMA Non-Orthogonal Multiple Access OFDMA Orthogonal Frequency Division Multiple Access OMA Orthogonal  ... 
arXiv:2108.04561v2 fatcat:yy2wmlweffft5b2wzefkrde6za

Multiple-Antenna-Assisted Non-Orthogonal Multiple Access

Yuanwei Liu, Hong Xing, Cunhua Pan, Arumugam Nallanathan, Maged Elkashlan, Lajos Hanzo
2018 IEEE wireless communications  
Non-orthogonal multiple access (NOMA) is potentially capable of circumventing the limitations of the classic the orthogonal multiple access schemes, hence it has recently received significant research  ...  attention both in industry and academia.  ...  Regarding power allocation, geometric programming and non-cooperation games are promising tools for allocating the power in an intelligent way.  ... 
doi:10.1109/mwc.2018.1700080 fatcat:bopoygl2unfb3kjm7zlrlar5z4

On Short Term Fairness and Throughput of User Clustering for Downlink Non-Orthogonal Multiple Access System

Mohanad M. Al-Wani, A. Sali, Borhanuddin M. Ali, Asem A. Salah, Keivan Navaie, Chee Yen Leow, Nor K. Noordin, S. J. Hashim
2019 2019 IEEE 89th Vehicular Technology Conference (VTC2019-Spring)  
Non-orthogonal multiple access (NOMA) with power-domain user multiplexing has been considered as one of the potential candidates of the fifth Generation (5G) systems.  ...  In this paper, a two-stage user selection algorithm is proposed based on proportional fairness for downlink NOMA with zero forcing beamforming (PF-NOMA-ZFBF) in order to improve the throughput-fairness  ...  The downlink NOMA power control basically aims to create enough difference in power for the superimposed signals of users in each cluster to enable signal separation and detection using SIC.  ... 
doi:10.1109/vtcspring.2019.8746330 dblp:conf/vtc/Al-WaniSASNLNH19 fatcat:x7npuyyahjhvjnkb54aceuzfgu

Multiple Antenna Assisted Non-Orthogonal Multiple Access [article]

Yuanwei Liu, Hong Xing, Cunhua Pan, Arumugam Nallanathan, Maged Elkashlan, Lajos Hanzo
2018 arXiv   pre-print
Non-orthogonal multiple access (NOMA) is potentially capable of circumventing the limitations of the classic orthogonal multiple access schemes, hence it has recently received significant research attention  ...  both in industry and academia.  ...  Regarding power allocation, geometric programming and non-cooperation games are promising tools for allocating the power in an intelligent way.  ... 
arXiv:1801.08170v1 fatcat:goexe4voizd4halrdceobqjr5e

Nonorthogonal Multiple Access for 5G and Beyond

Yuanwei Liu, Zhijin Qin, Maged Elkashlan, Zhiguo Ding, Arumugam Nallanathan, Lajos Hanzo
2017 Proceedings of the IEEE  
Non-orthogonal multiple access (NOMA), which has been recently proposed for the 3rd generation partnership projects long-term evolution advanced (3GPP-LTE-A), constitutes a promising technology of addressing  ...  .), as well as the dramatically increasing demand for user access required for the Internet of Things (IoT), the fifth generation (5G) networks face challenges in terms of supporting largescale heterogeneous  ...  Access MUST Multi-User Superposition Transmission NP Non-deterministic Polynomial-time NOMA Non-Orthogonal Multiple Access OFDM Orthogonal Frequency Division Multiplexing OFDMA Orthogonal Frequency  ... 
doi:10.1109/jproc.2017.2768666 fatcat:kpplouvkwbfurhitb3plb3y73m

A Systematic Review on NOMA Variants for 5G and Beyond

Ishan Budhiraja, Neeraj Kumar, Sudhanshu Tyagi, Sudeep Tanwar, Zhu Han, Doug Young Suh, MD. Jalil Piran
2021 IEEE Access  
To mitigate the issues mentioned above, in this paper, we present an in-depth survey of state-ofthe-art non-orthogonal multiple access (NOMA) variants having power and code domains as the backbone for  ...  The key differences between the orthogonal multiple access (OMA) and NOMA in 5G are also discussed in detail.  ...  To overcome this issue, efficient multiple access (MA) techniques such as orthogonal multiple access (OMA) and non-orthogonal multiple access (NOMA) are required.  ... 
doi:10.1109/access.2021.3081601 fatcat:mzmmr3km5zehhh3fnupyelfo3e

Ieee Access Special Section Editorial: Advances in Signal Processing for Non-Orthogonal Multiple Access

Miaowen Wen, Zhiguo Ding, Ertugrul Basar, Yuanwei Liu, Fuhui Zhou, Ioannis Krikidis, Mojtaba Vaezi, H. Vincent Poor
2020 IEEE Access  
The article by Liu et al., ''Joint power allocation and user scheduling for device-to-device-enabled heterogeneous networks with non-orthogonal multiple access,'' proposes a framework for device-to-device  ...  In the second group, the article by Liang et al., ''Joint userchannel assignment and power allocation for non-orthogonal multiple access relaying networks,'' focuses on a NOMAbased decode-and-forward (  ... 
doi:10.1109/access.2020.3014712 fatcat:pxlmkmw3r5delfd5we3fmfvv54

Non-Orthogonal Multiple Access in Multi-Cell Networks: Theory, Performance, and Practical Challenges [article]

Wonjae Shin, Mojtaba Vaezi, Byungju Lee, David J. Love, Jungwoo Lee, H. Vincent Poor
2017 arXiv   pre-print
Non-orthogonal multiple access (NOMA) is a potential enabler for the development of 5G and beyond wireless networks.  ...  By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users, increase the spectral efficiency, and improve user-fairness compared to existing orthogonal  ...  This is because the number of served users in all orthogonal multiple access (OMA) techniques is inherently limited by the number of resource blocks.  ... 
arXiv:1611.01607v2 fatcat:z7gbowi72vawraue5a4brmdslq

Non-Orthogonal Multiple Access for 5G and Beyond [article]

Yuanwei Liu, Zhijin Qin, Maged Elkashlan, Zhiguo Ding, Arumugam Nallanathan, Lajos Hanzo
2018 arXiv   pre-print
Non-orthogonal multiple access (NOMA), which has been recently proposed for the 3rd generation partnership projects long-term evolution advanced (3GPP-LTE-A), constitutes a promising technology of addressing  ...  .), as well as the dramatically increasing demand for user access required for the Internet of Things (IoT), the fifth generation (5G) networks face challenges in terms of supporting large-scale heterogeneous  ...  . 3) LPMA: Lattice partition based multiple access (LPMA) is a new downlink non-orthogonal multiuser superposition transmission scheme, which was proposed by Fang et al  ... 
arXiv:1808.00277v1 fatcat:jgxujmeifbedhlul2szgkgsayq

Non-orthogonal multiple access in a downlink multiuser beamforming system with limited CSI feedback

Shimei Liu, Chao Zhang
2016 EURASIP Journal on Wireless Communications and Networking  
Non-orthogonal multiple access (NOMA) has been recognized as a promising multiple access technology for fifth generation (5G) mobile communication system.  ...  Two traditional beamforming technologies, zero-forcing beamforming and random beamforming, are investigated in the NOMA downlink multiuser system.  ...  Acknowledgements The authors want to thank the editor and anonymous reviewers for the suggestions and comments to improve the quality of this paper.  ... 
doi:10.1186/s13638-016-0735-9 fatcat:a3ozadrzzzeshaagkisbrykjfi

A Survey of Non-Orthogonal Multiple Access for 5G

Linglong Dai, Bichai Wang, Zhiguo Ding, Zhaocheng Wang, Sheng Chen, Lajos Hanzo
2018 IEEE Communications Surveys and Tutorials  
slots with the aid of non-orthogonal resource allocation.  ...  As one of the promising techniques of addressing these challenges, non-orthogonal multiple access (NOMA) has been actively investigated in recent years.  ...  NOMA schemes Company Full Name Uplink (UL) Downlink (DL) 1 Power-domain NOMA [11]-[58] DCM Power-domain non-orthogonal multiple access UL/DL 2 SCMA [69]-[90] Huawei Sparse code multiple  ... 
doi:10.1109/comst.2018.2835558 fatcat:ycxmkfe3rjet7eikctqijc554m

Interplay Between NOMA and Other Emerging Technologies: A Survey

Mojtaba Vaezi, Gayan Amarasuriya, Yuanwei Liu, Ahmed Arafa, Fang Fang, Zhiguo Ding
2019 IEEE Transactions on Cognitive Communications and Networking  
Non-orthogonal multiple access (NOMA) has been widely recognized as a promising way to scale up the number of users, enhance the spectral efficiency, and improve the userfairness in wireless networks,  ...  NOMA can be flexibly combined with many existing wireless technologies and emerging ones including multiple-input multiple-output (MIMO), massive MIMO, millimeter wave communications, cognitive and cooperative  ...  Non-Orthogonal Multiple Access (NOMA) Fig. 1 . 1 A system model for massive MIMO-NOMA with non-orthogonal pilot allocation within clusters Fig. 4 . 4 A NOMA SWIPT system in which users close to the  ... 
doi:10.1109/tccn.2019.2933835 fatcat:5utwrrgtujbsrf7q5yngpcodie

Guest Editorial Massive Access for 5G and Beyond—Part II

Xiaoming Chen, Derrick Wing Kwan Ng, Wei Yu, Erik G. Larsson, Naofal Al-Dhahir, Robert Schober
2021 IEEE Journal on Selected Areas in Communications  
The paper "A new path division multiple access for the massive MIMO-OTFS networks," by Li et al., focuses on a new path division multiple access (PDMA) scheme for both uplink and downlink massive multiple-input  ...  The paper "Optimized shallow neural networks for sum-rate maximization in energy harvesting downlink multiuser NOMA systems," by Lee et al., considers a power allocation problem in energy harvesting downlink  ...  The paper "RIS enhanced massive non-orthogonal multiple access networks: Deployment and passive beamforming design," by Liu et al., presents a novel framework for the deployment and passive beamforming  ... 
doi:10.1109/jsac.2020.3018841 fatcat:fjzpbpm5brbmnnpehhsjc4lkoa

Physical Layer Security for NOMA: Requirements, Merits, Challenges, and Recommendations [article]

Haji M. Furqan, Jehad.M. Hamamreh, Huseyin Arslan
2020 arXiv   pre-print
Non-Orthogonal Multiple Access (NOMA) has been recognized as one of the most significant enabling technologies for future wireless systems due to its eminent spectral efficiency, ability to provide an  ...  In this article, security design requirements for NOMA and solutions provided by PLS to fulfill these requirements are discussed.  ...  However, compared to orthogonal multiple access (OMA), there are some critical security risks in NOMA.  ... 
arXiv:1905.05064v3 fatcat:mrssh3nuvbg3nov7gtuetyocsa

Secure Non-Orthogonal Multiple Access: An Interference Engineering Perspective [article]

Lu Lv, Hai Jiang, Zhiguo Ding, Qiang Ye, Naofal Al-Dhahir, Jian Chen
2020 arXiv   pre-print
Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks.  ...  In this article, we unleash the potential of network interference and exploit it constructively to enhance physical-layer security in NOMA networks.  ...  To make such cancellation possible, rate adaptation and power allocation are needed to guarantee that the downlink users correctly decode the uplink signals with SIC.  ... 
arXiv:2003.13488v2 fatcat:zi66mus2dbhq3djgmzczb3tenm
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