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Non-orthogonal multiple access (NOMA) allows multiple users to simultaneously access the same time-frequency resource by using superposition coding and successive interference cancellation (SIC). Thus far, most papers on NOMA have focused…

Information Theory · Computer Science 2017-12-12 Lei You , Lei Lei , Di Yuan , Sumei Sun , Symeon Chatzinotas , Björn Ottersten

Non-orthogonal multiple access (NOMA) has been recognized as a promising multiple access technique for the next generation cellular communication networks. In this paper, we first discuss a simple NOMA model with two users served by a…

Information Theory · Computer Science 2016-09-08 Zhiqiang Wei , Jinhong Yuan , Derrick Wing Kwan Ng , Maged Elkashlan , Zhiguo Ding

Non-orthogonal multiple access (NOMA) is envisioned to be one of the most beneficial technologies for next generation wireless networks due to its enhanced performance compared to other conventional radio access techniques. Although the…

Information Theory · Computer Science 2017-11-27 Rukhsana Ruby , Shuxin Zhong , Hailiang Yang , Kaishun Wu

In this letter, the performance of non-orthogonal multiple access (NOMA) is investigated from an information theoretic perspective. The relationships among the capacity region of broadcast channels and two rate regions achieved by NOMA and…

Information Theory · Computer Science 2015-05-13 Peng Xu , Zhiguo Ding , Xuchu Dai , H. Vincent Poor

Non-orthogonal multiple access (NOMA) enables power-domain multiplexing via successive interference cancellation (SIC) and has been viewed as a promising technology for 5G communication. The full benefit of NOMA depends on resource…

Information Theory · Computer Science 2017-07-21 Jianyue Zhu , Jiaheng Wang , Yongming Huang , Shiwen He , Xiaohu You , Luxi Yang

We study a wireless-powered uplink communication system with non-orthogonal multiple access (NOMA), consisting of one base station and multiple energy harvesting users. More specifically, we focus on the individual data rate optimization…

Information Theory · Computer Science 2016-11-17 Panagiotis D. Diamantoulakis , Koralia N. Pappi , Zhiguo Ding , George K. Karagiannidis

Driven by the rapid escalation of the wireless capacity requirements imposed by advanced multimedia applications (e.g., ultra-high-definition video, virtual reality etc.), as well as the dramatically increasing demand for user access…

Information Theory · Computer Science 2018-08-02 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Zhiguo Ding , Arumugam Nallanathan , Lajos Hanzo

Non-orthogonal multiple access (NOMA) has been identified as a promising technology for future wireless systems due to its performance gains in spectral efficiency when compared to conventional orthogonal schemes (OMA). This gain can be…

Networking and Internet Architecture · Computer Science 2019-08-16 Onel L. A. López , Hirley Alves , Matti Latva-aho

This paper aims to provide a comprehensive solution for the design, analysis, and optimization of a multiple-antenna non-orthogonal multiple access (NOMA) system for multiuser downlink communication with both time duplex division (TDD) and…

Information Theory · Computer Science 2017-06-05 Xiaoming Chen , Zhaoyang Zhang , Caijun Zhong , Derrick Wing Kwan Ng

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.…

Information Theory · Computer Science 2018-01-26 Yuanwei Liu , Hong Xing , Cunhua Pan , Arumugam Nallanathan , Maged Elkashlan , Lajos Hanzo

6G wireless networks will require the flexibility to accommodate an extremely diverse set of service types. This necessitates the use of mixed numerologies to accommodate different quality of service (QoS) requirements. Non-orthogonal…

Signal Processing · Electrical Eng. & Systems 2021-02-02 Stephen McWade , Mark F. Flanagan , Juquan Mao , Lei Zhang , Arman Farhang

To cope with the explosive traffic growth of next-generation wireless communications, it is necessary to design next-generation multiple access techniques that can provide higher spectral efficiency as well as larger-scale connectivity. As…

Information Theory · Computer Science 2021-07-28 Xinyue Pei , Yingyang Chen , Miaowen Wen , Hua Yu , Erdal Panayirci , H. Vincent Poor

Non-orthogonal multiple access (NOMA) schemes are being considered in 5G new radio developments and beyond. Although seminal papers demonstrated that NOMA outperforms orthogonal access in terms of capacity and user fairness, the majority of…

Signal Processing · Electrical Eng. & Systems 2018-10-22 Ana I. Perez-Neira , Marius Caus , Miguel Angel Vazquez , Nader Alagha

Non-orthogonal multiple access (NOMA) has attracted much recent attention owing to its capability for improving the system spectral efficiency in wireless communications. Deploying NOMA in heterogeneous network can satisfy users' explosive…

Information Theory · Computer Science 2018-01-16 Haijun Zhang , Fang Fang , Julian Cheng , Keping Long , Wei Wang , Victor C. M. Leung

This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existing short-term NOMA designs that focused on the resource…

Information Theory · Computer Science 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic

Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However, over a wireless channel, the superimposed NOMA signals are…

Information Theory · Computer Science 2020-10-26 Lu Lv , Hai Jiang , Zhiguo Ding , Qiang Ye , Naofal Al-Dhahir , Jian Chen

In this article, we provide both analytical and numerical performance analysis of multi-service oriented multiple access (MOMA), a recently proposed non-orthogonal multiple-access scheme for scenarios with a massive number of concurrent…

Information Theory · Computer Science 2017-10-31 Nassar Ksairi , Mérouane Debbah

In this paper, we study the power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which takes into…

Information Theory · Computer Science 2016-07-06 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

Information Theory · Computer Science 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

This work proposes a novel location-based multi-group multicast framework which is termed as non-orthogonal multiple access (NOMA) assisted multi-region geocast. This novel spectrum sharing framework exploits the NOMA technology to realize…

Information Theory · Computer Science 2017-11-30 Yi Zhang , Hui-Ming Wang , Zhiguo Ding , Moon Ho Lee