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In this paper, the performance and system complexity of the candidate multiple access (MA) techniques for the next generation of cellular systems, namely, non-orthogonal multiple access (NOMA) (in this paper, we consider power domain MA as…

Information Theory · Computer Science 2017-02-07 Mohammad. Moltafet , Nader. Mokari , Mohammad R. Javan , Paiez. Azmi

To improve the system throughput, this paper proposes a network non-orthogonal multiple access (N-NOMA) technique for the uplink coordinated multi-point transmission (CoMP). In the considered scenario, multiple base stations collaborate…

Information Theory · Computer Science 2019-11-15 Yanshi Sun , Zhiguo Ding , Xuchu Dai

We provide in this paper a comprehensive solution to the design, performance analysis, and optimization of a multi-antenna non-orthogonal multiple access (NOMA) system for multiuser downlink communications under a general limited channel…

Information Theory · Computer Science 2019-12-03 Zhiyao Tang , Liang Sun , Lu Cao , Shutong Qi , and Yong Feng

This paper proposes a millimeter wave-NOMA (mmWave-NOMA) system that takes into account the end-user signal processing capabilities, an important practical consideration. The implementation of NOMA in the downlink (DL) direction requires…

Information Theory · Computer Science 2020-11-18 Aditya S. Rajasekaran , Omar Maraqa , Hamza U. Sokun , Halim Yanikomeroglu , Saad Al-Ahmadi

This paper studies the robustness of type-based multiple access (TBMA) in over-the-air computation (AirComp) under nonparametric estimation, where no prior knowledge of the data distribution is available. While conventional AirComp…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

This paper studies hybrid beamforming (HB)-based non-orthogonal multiple access (NOMA) in multiuser millimeter wave (mmWave) communications. HB offers power-efficient and low-complexity precoding for downlink multiuser mmWave systems which…

Information Theory · Computer Science 2018-12-27 Mojtaba Ahmadi Almasi , Mojtaba Vaezi , Hani Mehrpouyan

This paper proposes a blocker-aware multicarrier integrated sensing and communication (ISAC)-non orthogonal multiple access (NOMA) system, leveraging hybrid beamforming and dynamic power allocation to enhance spectrum efficiency in 6G…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Abdulahi Abiodun Badrudeen , Nakyung Lee , Adam Dubs , Sunwoo Kim

The error performance of the Non-Orthogonal Multiple Access (NOMA) technique suffers from the inter-user interference (IUI) although it is a promising technique for the future wireless systems in terms of the achievable sum rate. Hence, a…

Signal Processing · Electrical Eng. & Systems 2018-10-19 Ferdi Kara , Hakan Kaya

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

Being an effective non-orthogonal multiple access (NOMA) technique, sparse code multiple access (SCMA) is promising for future wireless communication. Compared with orthogonal techniques, SCMA enjoys higher overloading tolerance and lower…

Information Theory · Computer Science 2018-04-03 Chuan Zhang , Chao Yang , Wei Xu , Shunqing Zhang , Zaichen Zhang , Xiaohu You

Non-orthogonal multiple access (NOMA), as the newest member of the multiple access family, is envisioned to be an essential component of 5G mobile networks. The combination of NOMA and multi-antenna multi-input multi-output (MIMO)…

Information Theory · Computer Science 2018-02-05 Yongming Huang , Cheng Zhang , Jiaheng Wang , Yindi Jing , Luxi Yang , Xiaohu You

In this letter, we propose a non-orthogonal multiple access (NOMA) based scheme for multi-cell indoor visible light communications (VLC), where cell-edge user is jointly served by multiple cells. Unlike the typical designs in the existing…

Information Theory · Computer Science 2021-06-14 T. Uday , Abhinav Kumar , L. Natarajan

With the fast development of Internet of things (IoT), the fifth generation (5G) wireless networks need to provide massive connectivity of IoT devices and meet the demand for low latency. To satisfy these requirements, Non-Orthogonal…

Networking and Internet Architecture · Computer Science 2018-02-07 Abbas Kiani , Nirwan Ansari

The integration of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA) can significantly improve the spectrum efficiency and increase the number of users in the fifth-generation (5G) mobile communication. In this…

Information Theory · Computer Science 2018-11-08 Zhenyu Xiao , Lipeng Zhu , Zhen Gao , Dapeng Oliver Wu , Xiang-Gen Xia

Massive machine-type communications (mMTC) is one of the key application scenarios for future 5G networks. Non-orthogonal multiple access (NOMA) is a promising technique for the use in mMTC scenario. In this paper, we investigate NOMA…

Information Theory · Computer Science 2019-01-23 Evgeny Marshakov , Gleb Balitskiy , Kirill Andreev , Alexey Frolov

In this paper, the potential benefits of applying non-orthogonal multiple access (NOMA) technique in $K$-tier hybrid heterogeneous networks (HetNets) is explored. A promising new transmission framework is proposed, in which NOMA is adopted…

Information Theory · Computer Science 2017-05-10 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Arumugam Nallanathan , Julie A. McCann

We consider a reconfigurable intelligent surface (RIS) assisted cell-free massive multiple-input multiple-output non-orthogonal multiple access (NOMA) system, where each access point (AP) serves all the users with the aid of the RIS. We…

Information Theory · Computer Science 2024-09-18 Malay Chakraborty , Ekant Sharma , Himal A. Suraweera , Hien Quoc Ngo

Non-orthogonal multiple access (NOMA) is very promising for future wireless systems thanks to its spectral efficiency. In NOMA schemes, the effect of imperfect successive interference canceler (SIC) has dominant effect on the error…

Information Theory · Computer Science 2020-04-28 Ferdi Kara , Hakan Kaya

Non-orthogonal multiple access (NOMA) has been widely nominated as an emerging spectral efficiency (SE) multiple access technique for the next generation of wireless communication network. To meet the growing demands in massive connectivity…

Information Theory · Computer Science 2024-03-19 Ronglan Huang , Fei ji , Zeng Hu , Dehuan Wan , Pengcheng Xu , Yun Liu

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