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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

Rate splitting multiple access (RSMA) is regarded as a crucial and powerful physical layer (PHY) paradigm for next-generation communication systems. Particularly, users employ successive interference cancellation (SIC) to decode part of the…

Information Theory · Computer Science 2024-11-15 Cixiao Zhang , Size Peng , Yin Xu , Qingqing Wu , Xiaowu Ou , Xinghao Guo , Dazhi He , Wenjun Zhang

Non-orthogonal Multiple Access (NOMA) has become a salient technology for improving the spectral efficiency of the next generation 5G wireless communication networks. In this paper, the achievable average rate of an Opportunistic…

Signal Processing · Electrical Eng. & Systems 2018-01-16 Pranav Kumar Jha , S Sushmitha Shree , D. Sriram Kumar

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

Recent studies have demonstrated the superiority of non-orthogonal multiple access (NOMA) over orthogonal multiple access (OMA) in cooperative communication networks. In this paper, we propose a novel half-duplex cooperative asynchronous…

Information Theory · Computer Science 2019-02-22 Xun Zou , Mehdi Ganji , Hamid Jafarkhani

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

In this paper, we investigate the combination of two key enabling technologies for the fifth generation (5G) wireless mobile communication, namely millimeter-wave (mmWave) communications and non-orthogonal multiple access (NOMA). In…

Information Theory · Computer Science 2017-11-17 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Dapeng Oliver Wu , Xiang-Gen Xia

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 aims to explore reconfigurable intelligent surface (RIS) integration in a millimeter wave (mmWave) communication system with low-complexity transceiver architecture under imperfect CSI assumption. Towards this, we propose a…

Information Theory · Computer Science 2024-02-08 Kali Krishna Kota , Praful D. Mankar

With the explosive growth of mobile services, non-orthogonal broadcast/multicast transmissions can effectively improves spectrum efficiency. Nonorthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal…

Signal Processing · Electrical Eng. & Systems 2019-01-03 Yong Zhang , Bin Yang , Xiaohu Ge , Yonghui Li

In this paper, we investigate the combination of non-orthogonal multiple access and millimeter-Wave communications (mmWave-NOMA). A downlink cellular system is considered, where an analog phased array is equipped at both the base station…

Information Theory · Computer Science 2018-11-08 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Dapeng Oliver Wu , Xiang-Gen Xia

This letter proposes a modified non-orthogonal multiple-access (NOMA) scheme for systems with a multi-antenna base station (BS) and two single-antenna users, where NOMA transmissions are conducted only when the absolute correlation…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Zeyu Sun , Yindi Jing , Xinwei Yu

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

Non-orthogonal multiple access (NOMA) has been recognized as a key driving technology for the fifth generation (5G) and beyond 5G cellular networks. For a practical dowlink NOMA system with imperfect successive interference cancellation…

Signal Processing · Electrical Eng. & Systems 2020-12-15 Nemalidinne Siva Mouni , Abhinav Kumar , Prabhat K. Upadhyay

In this paper, a new framework for optimizing the resource allocation in a millimeter-wave-non-orthogonal multiple access (mmWave-NOMA) communication for crowded venues is proposed. MmWave communications suffer from severe blockage caused…

Signal Processing · Electrical Eng. & Systems 2020-10-13 Foad Barghikar , Foroogh S. Tabataba , Mehdi Naderi Soorki

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

Rate-splitting multiple access (RSMA) has been recognized as a promising and powerful multiple access (MA) scheme, non-orthogonal transmission framework and interference management strategy for 6G. Inspired by the appealing spectral…

Information Theory · Computer Science 2022-03-11 Tianyu Fang , Yijie Mao , Shanpu Shen , Zhencai Zhu , Bruno Clerckx

In this paper, a new approach for multiple access (MA) in fifth generation (5G) of cellular networks called power domain sparse code multiple access (PSMA) is proposed. In PSMA, we adopt both the power domain and the code domain to transmit…

Information Theory · Computer Science 2017-06-21 Nader Mokari , Mohammad. R Javan , Mohammad Moltafet , Hamid Saeedi , Hossein Pishro-Nik

Non-orthogonal multiple access (NOMA) is a promising multiple access technique for beyond fifth generation (B5G) cellular wireless networks, where several users can be served on a single time-frequency resource block, using the concepts of…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Mehdi Monemi , Hina Tabassum , Ramein Zahedi

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