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Despite numerous advantages, non-orthogonal multiple access (NOMA) technique can bring additional interference for the neighboring ultra-dense networks if the power consumption of the system is not properly optimized. While targeting on the…

网络与互联网体系结构 · 计算机科学 2019-04-19 Rukhsana Ruby , Shuxin Zhong , Derrick Wing Kwan Ng , Kaishun Wu , Victor C. M. Leung

This paper provides a comprehensive downlink analysis of non-orthogonal multiple access (NOMA) enabled cellular networks using tools from stochastic geometry. As a part of this analysis, we develop a novel 3GPP-inspired user ranking…

信息论 · 计算机科学 2020-03-03 Praful D. Mankar , Harpreet S. Dhillon

This article investigates the multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) assisted unmanned aerial vehicles (UAVs) networks. By utilizing a stochastic geometry model, a new 3-Dimension UAV framework for…

信息论 · 计算机科学 2018-05-15 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

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…

信息论 · 计算机科学 2018-06-12 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

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…

信息论 · 计算机科学 2023-06-16 Mohammad Amin Saeidi , Hina Tabassum

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…

信息论 · 计算机科学 2019-10-03 Zhiqiang Wei

In this paper, the outage performance of downlink non-orthogonal multiple access (NOMA) is investigated for the case where each user feeds back only one bit of its channel state information (CSI) to the base station. Conventionally,…

信息论 · 计算机科学 2016-05-18 Peng Xu , Yi Yuan , Zhiguo Ding , Xuchu Dai , Robert Schober

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…

信息论 · 计算机科学 2017-11-27 Rukhsana Ruby , Shuxin Zhong , Hailiang Yang , Kaishun Wu

Non-orthogonal multiple access (NOMA) allows users sharing a resource-block to efficiently reuse spectrum and improve cell sum rate $\mathcal{R}_{\rm tot}$ at the expense of increased interference. Orthogonal multiple access (OMA), on the…

信息论 · 计算机科学 2021-02-02 Konpal Shaukat Ali , Ekram Hossain , Md. Jahangir Hossain

This paper considers the application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems. A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is…

信息论 · 计算机科学 2015-03-19 Zhiguo Ding , Fumiyuki Adachi , H. Vincent Poor

This paper investigates a novel communication paradigm employing movable antennas (MAs) within a multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink framework, where users are equipped with MAs. Initially,…

信息论 · 计算机科学 2024-08-09 Yufeng Zhou , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

In this letter, the performance of non-orthogonal multiple access (NOMA) is investigated from an information theoretic perspective. The relationships among the capacity region of broadcast channels and two rate regions achieved by NOMA and…

信息论 · 计算机科学 2015-05-13 Peng Xu , Zhiguo Ding , Xuchu Dai , H. Vincent Poor

This work considers the problem of dynamic power allocation in the downlink of multi-cell networks, where each cell utilizes non-orthogonal multiple access (NOMA)-based resource allocation. Also, coordinated multi-point (CoMP) transmission…

信号处理 · 电气工程与系统科学 2018-01-17 Md Shipon Ali , Ekram Hossain , Arafat Al-Dweik , Dong In Kim

This paper presents the meta distribution analysis of the downlink two-user non-orthogonal multiple access (NOMA) in cellular networks. We propose a novel user ranking technique wherein the users from the cell center (CC) and cell edge (CE)…

信号处理 · 电气工程与系统科学 2019-08-06 Praful D. Mankar , Harpreet S. Dhillon

A novel generalized coordinated multi-point transmission (GCoMP)-enabled non-orthogonal multiple access (NOMA) scheme is proposed. In particular, the traditional joint transmission CoMP scheme is generalized to be applied for all…

信息论 · 计算机科学 2019-01-31 Yasser Al-Eryani , Ekram Hossain , Dong In Kim

In this article, we provide both analytical and numerical performance analysis of multi-service oriented multiple access (MOMA), a recently proposed non-orthogonal multiple-access scheme for scenarios with a massive number of concurrent…

信息论 · 计算机科学 2017-10-31 Nassar Ksairi , Mérouane Debbah

By activating blocked users and altering successive interference cancellation (SIC) sequences, reconfigurable intelligent surfaces (RISs) become promising for enhancing non-orthogonal multiple access (NOMA) systems. The downlink RIS-aided…

信息论 · 计算机科学 2020-08-20 Chao Zhang , Wenqiang Yi , Yuanwei Liu

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…

信息论 · 计算机科学 2015-03-19 Zhiguo Ding , Mugen Peng , H. V. Poor

In this paper, we propose a cache-aided non-orthogonal multiple access (NOMA) scheme for spectrally efficient downlink transmission. The proposed scheme not only reaps the benefits associated with NOMA and caching, but also exploits the…

信息论 · 计算机科学 2019-06-26 Lin Xiang , Derrick Wing Kwan Ng , Xiaohu Ge , Zhiguo Ding , Vincent W. S. Wong , Robert Schober

By activating blocked users and altering successive interference cancellation (SIC) sequences, reconfigurable intelligent surfaces (RISs) become promising for enhancing non-orthogonal multiple access (NOMA) systems. This work investigates…

信息论 · 计算机科学 2020-06-25 Chao Zhang , Wenqiang Yi , Yuanwei Liu , Zhijin Qin , Kok Keong Chai