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Related papers: Fairness Comparison of Uplink NOMA and OMA

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Orthogonal Frequency Division Multiple Access (OFDMA) as well as other orthogonal multiple access techniques fail to achieve the system capacity limit in the uplink due to the exclusivity in resource allocation. This issue is more prominent…

Information Theory · Computer Science 2017-05-12 Mohammed Al-Imari , Pei Xiao , Muhammad Ali Imran , Rahim Tafazolli

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

This article presents advances in resource allocation (RA) for downlink non-orthogonal multiple access (NOMA) systems, focusing on user pairing (UP) and power allocation (PA) algorithms. The former pairs the users to obtain the high…

Information Theory · Computer Science 2018-01-04 S. M. Riazul Islam , Ming Zeng , Octavia A. Dobre , Kyung-Sup Kwak

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

This paper considers a downlink non-orthogonal multiple access (NOMA) system where the source intends to transmit independent information to the users at targeted data rates under statistical channel state information at the transmitter.…

Information Theory · Computer Science 2015-07-17 Sulong Shi , Longxiang Yang , Hongbo Zhu

User pairing in Non-Orthogonal Multiple-Access (NOMA) uplink based on channel state information is investigated considering some predefined power allocation schemes. The base station divides the set of users into disjunct pairs and assigns…

Information Theory · Computer Science 2017-07-07 Mohammad A. Sedaghat , Ralf R. Müller

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

Achieving digital fairness by using NOMA is one of the more pressing issues in modern wireless communication systems for 5G/6G networks. This is particularly true in the case of satellite uplink systems supporting a population of IoT…

Information Theory · Computer Science 2025-02-05 Giorgio Taricco

The application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems is important to enhance the performance gains of NOMA. In this paper, a novel MIMO-NOMA framework for downlink and uplink…

Information Theory · Computer Science 2015-09-01 Zhiguo Ding , Robert Schober , H. Vincent Poor

Non Orthogonal Multiple Access (NOMA) is a key technique to satisfy large users densities in future wireless networks. However, NOMA may provide poor performance compared to Orthogonal Multiple Access (OMA) due to inter-user interference.…

Information Theory · Computer Science 2020-04-07 Mylene Pischella , Ivan Stupia , Luc Vandendorpe

Non orthogonal multiple access (NOMA) in the downlink is discussed in this letter. When combined with soft frequency reuse, NOMA is detrimental to user fairness by increasing the data rate of a near user at the cost of data rate of a far…

Information Theory · Computer Science 2016-05-26 Xuezhi Yang

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

In this paper, we derive the optimal user pairing and power allocation in uplink non orthogonal multiple access (NOMA) networks. The optimal power allocation that maximizes the sum rate is found for two user NOMA networks, while ensuring…

Signal Processing · Electrical Eng. & Systems 2021-04-26 Mouktar Bello , Anrsenia Chorti , Inbar Fijalkow

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 investigates the optimal power allocation scheme for sum throughput maximization of non-orthogonal multiple access (NOMA) system with $\alpha$-fairness. In contrast to the existing fairness NOMA models, $\alpha$-fairness can only…

Information Theory · Computer Science 2017-08-04 Peng Xu , Kanapathippillai Cumanan

Rate splitting multiple access (RSMA) and non-orthogonal multiple access (NOMA) are the key enabling multiple access techniques to enable massive connectivity. However, it is unclear whether RSMA would consistently outperform NOMA from a…

Information Theory · Computer Science 2023-06-16 Mohammad Amin Saeidi , Hina Tabassum

This work introduces downlink non-orthogonal multiple access (NOMA) into short-packet communications. NOMA has great potential to improve fairness and spectral efficiency with respect to orthogonal multiple access (OMA) for low-latency…

Information Theory · Computer Science 2018-06-12 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

In this paper, energy efficient resource allocation is considered for an uplink hybrid system, where non-orthogonal multiple access (NOMA) is integrated into orthogonal multiple access (OMA). To ensure the quality of service for the users,…

Information Theory · Computer Science 2019-03-15 Ming Zeng , Animesh Yadav , Octavia A. Dobre , H. Vincent Poor

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) is considered as one of the predominant multiple access technique for the next-generation cellular networks. We consider a 2-user pair downlink NOMA system with imperfect successive interference…

Signal Processing · Electrical Eng. & Systems 2022-01-25 Nemalidinne Siva Mouni , Pavan Reddy M. , Abhinav Kumar , Prabhat K. Upadhyay
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