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This paper analyzes the performance of a cooperative relaying non-orthogonal multiple access (NOMA) network over Fisher-Snedecor F composite fading channels. Specifically, one base station (BS) is assumed to communicate with two receiving…

Signal Processing · Electrical Eng. & Systems 2020-04-20 Khaled Rabie , Abubakar U. Makarfi , Rupak Kharel , Osamah. S. Badarneh , Bamidele Adebisi , Xingwang Li , Zhiguo Ding

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…

Networking and Internet Architecture · Computer Science 2019-04-19 Rukhsana Ruby , Shuxin Zhong , Derrick Wing Kwan Ng , Kaishun Wu , Victor C. M. Leung

In this paper, a hybrid non-orthogonal multiple access (NOMA) framework for the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) enhanced cell-edge communication is investigated. Specifically, one…

Information Theory · Computer Science 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu

In this paper, we propose applying Non-Orthogonal Multiple Access (NOMA) technology in a multiuser beam steering OWC system. We study the performance of the NOMA-based multiuser beam steering system in terms of the achievable rate and Bit…

Signal Processing · Electrical Eng. & Systems 2023-04-11 Y. Zeng , Sanaa H. Mohamed , Ahmad Qidan , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

In this letter, the performance of non-orthogonal multiple access (NOMA) is investigated in a cellular downlink scenario with randomly deployed users. The developed analytical results show that NOMA can achieve superior performance in terms…

Information Theory · Computer Science 2015-06-19 Zhiguo Ding , Zheng Yang , Pingzhi Fan , H. Vincent Poor

Terahertz (THz) communication is gaining more interest as one of the envisioned enablers of high-data-rate short-distance indoor applications in beyond 5G networks. Moreover, non-orthogonal multiple-access (NOMA)-enabled schemes are…

Information Theory · Computer Science 2021-06-22 Omar Maraqa , Aditya S. Rajasekaran , Hamza U. Sokun , Saad Al-Ahmadi , Halim Yanikomeroglu , Sadiq M. Sait

In non-orthogonal multiple access (NOMA) downlink, multiple data flows are superimposed in the power domain and user decoding is based on successive interference cancellation. NOMA's performance highly depends on the power split among the…

Information Theory · Computer Science 2015-04-10 Stelios Timotheou , Ioannis Krikidis

This paper considers the design of beamforming for orthogonal time frequency space modulation assisted non-orthogonal multiple access (OTFS-NOMA) networks, in which a high-mobility user is sharing the spectrum with multiple low-mobility…

Information Theory · Computer Science 2019-11-01 Zhiguo Ding

Non-Orthogonal Multiple Access (NOMA) is recognized today as a most promising technology for future 5G cellular networks and a large number of papers have been published on the subject over the past few years. Interestingly, none of these…

Information Theory · Computer Science 2017-10-12 Hikmet Sari , Ali Maatouk , Ersoy Caliskan , Mohamad Assaad , Mutlu Koca , Guan Gui

This article investigates a non-orthogonal multiple access (NOMA) enhanced Internet of Things (IoT) network. In order to provide connectivity, a novel cluster strategy is proposed, where multiple devices can be served simultaneously. Two…

Information Theory · Computer Science 2020-01-14 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

This work exploits the advantages of two prominent techniques in future communication networks, namely caching and non-orthogonal multiple access (NOMA). Particularly, a system with Rayleigh fading channels and cache-enabled users is…

Information Theory · Computer Science 2019-09-25 Khai Nguyen Doan , Mojtaba Vaezi , Wonjae Shin , H. Vincent Poor , Hyundong Shin , Tony Q. S. Quek

This paper investigates the application of simultaneous wireless information and power transfer (SWIPT) to cooperative non-orthogonal multiple access (NOMA). A new cooperative multiple-input single-output (MISO) SWIPT NOMA protocol is…

Information Theory · Computer Science 2017-08-02 Yanqing Xu , Chao Shen , Zhiguo Ding , Xiaofang Sun , Shi Yan , Gang Zhu , Zhangdui Zhong

This paper proposes a unified framework of non-orthogonal multiple access (NOMA) networks. Stochastic geometry is employed to model the locations of spatially NOMA users. The proposed unified NOMA framework is capable of being applied to…

Information Theory · Computer Science 2019-01-23 Xinwei Yue , Zhijin Qin , Yuanwei Liu , Shaoli Kang , Yue Chen

In this paper, we consider an unmanned aerial vehicle (UAV) based wireless network using non-orthogonal multiple access (NOMA) transmission in millimeter-wave frequencies to deliver broadband data in a spectrally efficient fashion at…

Information Theory · Computer Science 2019-06-26 Nadisanka Rupasinghe , Yavuz Yapici , Ismail Guvenc , Monisha Ghosh , Yuichi Kakishima

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)…

Signal Processing · Electrical Eng. & Systems 2019-08-06 Praful D. Mankar , Harpreet S. Dhillon

The key idea of hybrid non-orthogonal multiple access (NOMA) is to allow users to use the bandwidth resources to which they cannot have access in orthogonal multiple access (OMA) based legacy networks while still guaranteeing its…

Information Theory · Computer Science 2024-09-17 Zhiguo Ding

Hybrid non-orthogonal multiple access (NOMA) has recently received significant research interest due to its ability to efficiently use resources from different domains and also its compatibility with various orthogonal multiple access (OMA)…

Information Theory · Computer Science 2024-07-08 Zhiguo Ding , H. Vincent Poor

In the fifth generation and beyond (B5G), delayconstraints emerge as a topic of particular interest, e.g. forultra-reliable low latency communications (URLLC) such asautonomous vehicles and enhanced reality. In this paper, westudythe…

Information Theory · Computer Science 2020-03-11 Mouktar Bello , Wenjuan Yu , Arsenia Chorti , Leila Musavian

In this paper, we present the delay-constrained performance analysis of a multi-antenna-assisted multiuser non-orthogonal multiple access (NOMA) based spectrum sharing system over Rayleigh fading channels. We derive analytical expressions…

Information Theory · Computer Science 2021-09-08 Vaibhav Kumar , Zhiguo Ding , Mark F. Flanagan

This paper investigates the application of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA). Particularly, we consider downlink transmission with a hybrid beamforming structure. A user grouping algorithm is…

Signal Processing · Electrical Eng. & Systems 2019-07-31 Lipeng Zhu , Jun Zhang , Zhenyu Xiao , Xianbin Cao , Dapeng Oliver Wu , Xiang-Gen Xia
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