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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 one of the key techniques to address the high spectral efficiency and massive connectivity requirements for the fifth generation (5G) wireless system. To efficiently realize NOMA, we propose a joint…

Information Theory · Computer Science 2018-02-14 Jincheng Dai , Kai Niu , Zhongwei Si , Chao Dong , Jiaru Lin

Fifth generation (5G) wireless networks face various challenges in order to support large-scale heterogeneous traffic and users, therefore new modulation and multiple access (MA) schemes are being developed to meet the changing demands. As…

Other Computer Science · Computer Science 2017-02-27 Yunlong Cai , Zhijin Qin , Fangyu Cui , Geoffrey Ye Li , Julie A. McCann

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

This paper introduces a novel non-orthogonal multiple access (NOMA) concept named waveform-domain NOMA, which proposes the coexistence of different waveforms in the same resource element (RE). Regarding the demands of each user equipments…

Signal Processing · Electrical Eng. & Systems 2020-03-13 Mehmet Mert Şahin , Hüseyin Arslan

To further improve the system capacity for 5G, we explore the integration of non-orthogonal multiple access (NOMA) in mmWave communications (mmWave-NOMA) for future 5G systems. Compared with the conventional NOMA, the distinguishing feature…

Information Theory · Computer Science 2017-09-26 Zhenyu Xiao , Linglong Dai , Zhiguo Ding , Jinho Choi , Pengfei Xia

In this paper, facilitated via the flexible software defined structure of the radio access units in 5G, we propose a novel dynamic multiple access technology selection among orthogonal multiple access (OMA) and non-orthogonal multiple…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Mina Baghani , Saeedeh Parsaeefard , Mahsa Derakhshani , Walid Saad

Non-orthogonal multiple access (NOMA) is a promising radio access technique for next-generation wireless networks. In this article, we investigate the NOMA-based cooperative relay network. We begin with an introduction of the existing…

Information Theory · Computer Science 2018-01-16 Dehuan Wan , Miaowen Wen , Fei Ji , Hua Yu , Fangjiong Chen

Non-orthogonal multiple access (NOMA) is an interesting concept to provide higher capacity for future wireless communications. In this article, we consider the feasibility and benefits of combining full-duplex operation with NOMA for modern…

Signal Processing · Electrical Eng. & Systems 2017-11-03 Mohammadali Mohammadi , Xiaoyan Shi , Batu K. Chalise , Himal A. Suraweera , Caijun Zhong , John S. Thompson

Non-orthogonal multiple access (NoMA) as an efficient way of radio resource sharing can root back to the network information theory. For generations of wireless communication systems design, orthogonal multiple access (OMA) schemes in time,…

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

In this thesis, we study performance analysis and resource allocation designs for non-orthogonal multiple access (NOMA) in wireless communication systems. In contrast to conventional orthogonal multiple access (OMA) schemes, NOMA allows…

Information Theory · Computer Science 2019-10-03 Zhiqiang Wei

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

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 a part of 5th generation (5G) communication systems. This article presents the underpinnings and underlying structures of the problem of NOMA user-channel allocation. Unlike the heuristics for NOMA…

Signal Processing · Electrical Eng. & Systems 2019-06-25 Shabnam Sodagari

We consider uplink power control in wireless communication when a large number of users compete over the channel resources. The CDMA protocol, as a supporting technology of 3G networks accommodating signal from different sources over the…

Systems and Control · Electrical Eng. & Systems 2020-12-01 Yuchi Wu , Junfeng Wu , Minyi Huang , Ling Shi

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 user fairness in wireless networks, by allowing more than one user to…

Information Theory · Computer Science 2019-08-06 Mojtaba Vaezi , Gayan Amarasuriya , Yuanwei Liu , Ahmed Arafa , Fang Fang , Zhiguo Ding

Next-generation wireless networks require higher spectral efficiency and lower latency to meet the demands of various upcoming applications. Recently, non-orthogonal multiple access (NOMA) schemes are introduced in the literature for 5G and…

Signal Processing · Electrical Eng. & Systems 2023-09-19 Sanjeev Sharma , Kuntal Deka

Next-generation internet of things (IoT) applications need trillions of low-powered wireless mobile devices to connect with each other having ultra-reliability and low-latency. Non-orthogonal multiple access (NOMA) is a promising technology…

Signal Processing · Electrical Eng. & Systems 2020-12-16 Kuntal Deka , Sanjeev Sharma

Non-orthogonal multiple access (NOMA) is a powerful transmission technique that enhances the spectral efficiency of communication links, and is being investigated for 5G standards and beyond. A major drawback of NOMA is the need to apply…

Information Theory · Computer Science 2022-10-18 Abdelhamid Salem , Xiao Tong , Ang Li , Christos Masouros