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Non-Orthogonal Multiple Access (NOMA) is a concept which is gaining a big popularity in multiuser networks. It's due to its advantages in sense of total network throughput. It becomes especially significant in large networks such as…

Information Theory · Computer Science 2022-08-30 Lev Gurevich , Ram Zamir

A non-orthogonal multiple access (NOMA) approach to user signal power allocation called Fair-NOMA is introduced. Fair-NOMA is the application of NOMA in such a way that two mobile users have the opportunity to always achieve at least the…

Information Theory · Computer Science 2016-05-03 Jose Armando Oviedo , Hamid R. Sadjadpour

Non-orthogonal multiple access (NOMA) is an essential enabling technology for the fifth generation (5G) wireless networks to meet the heterogeneous demands on low latency, high reliability, massive connectivity, improved fairness, and high…

Information Theory · Computer Science 2017-06-19 Zhiguo Ding , Xianfu Lei , George K. Karagiannidis , Robert Schober , Jihong Yuan , Vijay Bhargava

This paper investigates practical 5G strategies for power-balanced non-orthogonal multiple access (NOMA). By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users and increase spectral…

Information Theory · Computer Science 2017-01-25 Haoyuan Pan , Lu Lu , Soung Chang Liew

Non-orthogonal multiple access (NOMA) has recently received considerable attention as a promising candidate for 5G systems. A key feature of NOMA is that users with better channel conditions have prior information about the messages of the…

Information Theory · Computer Science 2015-03-19 Zhiguo Ding , Mugen Peng , H. V. Poor

Non-orthogonal multiple access (NOMA) has been proposed for massive connectivity in future generations of wireless communications. A dominant NOMA scheme is based on power optimization, in which decoding of target user is assumed to be…

Information Theory · Computer Science 2018-10-23 Kun Wang

Non-orthogonal multiple access (NOMA) systems can serve multiple users in contrast to orthogonal multiple-access (OMA), which makes use of the limited time or frequency domain resources. It can help to address the unprecedented…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Syed Agha Hassnain Mohsan , Yanlong Li

Non-orthogonal multiple access (NOMA) is a key technology to enable massive machine type communications (mMTC) in 5G networks and beyond. In this paper, NOMA is applied to improve the random access efficiency in high-density…

Networking and Internet Architecture · Computer Science 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

Understanding fundamental limits of the various technologies suggested for future 5G and beyond cellular systems is crucial for developing efficient state-of-the-art designs. A leading technology of major interest is non-orthogonal…

Information Theory · Computer Science 2018-01-16 Benjamin M. Zaidel , Ori Shental , Shlomo Shamai

Today's wireless networks allocate radio resources to users based on the orthogonal multiple access (OMA) principle. However, as the number of users increases, OMA based approaches may not meet the stringent emerging requirements including…

Signal Processing · Electrical Eng. & Systems 2019-02-28 Mahmoud Aldababsa , Mesut Toka , Selahattin Gokceli , Gunes Karabulut Kurt , Oguz Kucur

As the latest member of the multiple access family, non-orthogonal multiple access (NOMA) has been recently proposed for 3GPP Long Term Evolution (LTE) and envisioned to be an essential component of 5th generation (5G) mobile networks. The…

Information Theory · Computer Science 2016-11-01 Zhiguo Ding , Yuanwei Liu , Jinho Choi , Qi Sun , Maged Elkashlan , Chih-Lin I , H. Vincent Poor

Recently, non-orthogonal multiple access (NOMA) has been proposed to achieve higher spectral efficiency over conventional orthogonal multiple access. Although it has the potential to meet increasing demands of video services, it is still…

Information Theory · Computer Science 2018-01-17 Xiaoda Jiang , Hancheng Lu , Chang Wen Chen

Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA in enhancing energy efficiency (EE) for a multi-user…

Information Theory · Computer Science 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

A closed-form analytical expression is derived for the limiting empirical squared singular value density of a spreading (signature) matrix corresponding to sparse low-density code-domain (LDCD) non-orthogonal multiple-access (NOMA) with…

Information Theory · Computer Science 2017-05-10 Ori Shental , Benjamin M. Zaidel , Shlomo Shamai

Non-orthogonal multiple access (NOMA) has received tremendous attention for the design of radio access techniques for fifth generation (5G) wireless networks and beyond. The basic concept behind NOMA is to serve more than one user in the…

Information Theory · Computer Science 2019-06-25 Mojtaba Vaezi , Robert Schober , Zhiguo Ding , H. Vincent Poor

Non-orthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal multiple access (MA) concepts, and has been recognized as one of the key enabling technologies for 5G systems. In this paper, the impact of user…

Information Theory · Computer Science 2014-12-10 Zhiguo Ding , Pingzhi Fan , H. Vincent Poor

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

Network capacity calls for significant increase for 5G cellular systems. A promising multi-user access scheme, non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC), is currently under consideration. In NOMA,…

Information Theory · Computer Science 2016-11-18 Lei Lei , Di Yuan , Chin Keong Ho , Sumei Sun

Non-orthogonal multiple access (NOMA) schemes have been proposed for the next generation of mobile communication systems to improve the access efficiency by allowing multiple users to share the same spectrum in a non-orthogonal way. Due to…

Information Theory · Computer Science 2017-02-15 Lingyang Song , Yonghui Li , Zhiguo Ding , H. Vincent Poor

A non-orthogonal multiple access (NOMA) approach that always outperforms orthogonal multiple access (OMA) called Fair-NOMA is introduced. In Fair-NOMA, each mobile user is allocated its share of the transmit power such that its capacity is…

Information Theory · Computer Science 2017-04-26 Jose Armando Oviedo , Hamid R. Sadjadpour
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