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On the Performance of Non-Orthogonal Multiple Access in 5G Systems with Randomly Deployed Users
In this letter, the performance of non-orthogonal multiple access (NOMA) is investigated in a cellular downlink scenario with randomly deployed users. The developed analytical results show that NOMAExpand
A Survey on Non-Orthogonal Multiple Access for 5G Networks: Research Challenges and Future Trends
TLDR
An overview of the latest NOMA research and innovations as well as their applications is provided and the papers published in this special issue are put into the context of the existing literature. Expand
Cooperative Non-Orthogonal Multiple Access in 5G Systems
TLDR
The outage probability and diversity order achieved by this cooperative NOMA scheme are analyzed, and an approach based on user pairing is also proposed to reduce system complexity. Expand
Impact of User Pairing on 5G Nonorthogonal Multiple-Access Downlink Transmissions
  • Z. Ding, P. Fan, H. Poor
  • Engineering, Computer Science
  • IEEE Transactions on Vehicular Technology
  • 1 August 2016
TLDR
Both analytical and numerical results are provided to demonstrate that F-NOMA can offer a larger sum rate than orthogonal MA, and the performance gain of F- NOMA over conventional MA can be further enlarged by selecting users whose channel conditions are more distinctive. Expand
A General MIMO Framework for NOMA Downlink and Uplink Transmission Based on Signal Alignment
TLDR
A novel MIMO-NOMA framework for downlink and uplink transmission is proposed by applying the concept of signal alignment and closed-form analytical results are developed to facilitate the performance evaluation of the proposed framework for randomly deployed users and interferers. Expand
6G Wireless Networks: Vision, Requirements, Architecture, and Key Technologies
TLDR
This article presents a large-dimensional and autonomous network architecture that integrates space, air, ground, and underwater networks to provide ubiquitous and unlimited wireless connectivity and identifies several promising technologies for the 6G ecosystem. Expand
The Application of MIMO to Non-Orthogonal Multiple Access
TLDR
A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is analyzed for the case with a fixed set of power allocation coefficients. Expand
Optimal Joint Power and Subcarrier Allocation for Full-Duplex Multicarrier Non-Orthogonal Multiple Access Systems
TLDR
The results unveil that FD MC-NOMA systems enable a fairer resource allocation compared with traditional HD MC-OMA Systems, and provide a substantial system throughput improvement compared with conventional HD multicarrier orthogonal multiple access systems and other baseline schemes. Expand
A Minorization-Maximization Method for Optimizing Sum Rate in the Downlink of Non-Orthogonal Multiple Access Systems
TLDR
This work studies the downlink sum rate maximization problem, when the NOMA principle is applied, and the conditions under which the achievable rates maximization can be further simplified to a low complexity design problem, and compute the probability of occurrence of this event. Expand
Application of Non-Orthogonal Multiple Access in LTE and 5G Networks
  • Z. Ding, Y. Liu, +4 authors H. Poor
  • Computer Science, Mathematics
  • IEEE Communications Magazine
  • 27 November 2015
TLDR
A systematic treatment of non-orthogonal multiple access, from its combination with MIMO technologies to cooperative NOMA, as well as the interplay between N OMA and cognitive radio is provided. Expand
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