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The combination of non-orthogonal multiple access (NOMA) and mobile edge computing (MEC) can significantly improve the spectrum efficiency beyond the fifth-generation network. In this paper, we mainly focus on energy-efficient resource…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Fang Fang , Kaidi Wang , Zhiguo Ding , Victor C. M. Leung

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

This paper investigates an uplink non-orthogonal multiple access (NOMA)-based mobile-edge computing (MEC) network. Our objective is to minimize the total energy consumption of all users including transmission energy and local computation…

Signal Processing · Electrical Eng. & Systems 2019-02-18 Zhaohui Yang , Jiancao Hou , Mohammad Shikh-Bahaei

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

Non-orthogonal multiple access (NOMA) allows multiple users to simultaneously access the same time-frequency resource by using superposition coding and successive interference cancellation (SIC). Thus far, most papers on NOMA have focused…

Information Theory · Computer Science 2017-12-12 Lei You , Lei Lei , Di Yuan , Sumei Sun , Symeon Chatzinotas , Björn Ottersten

The demand for multimedia services is growing day by day in vehicular ad-hoc networks (VANETs), resulting in high spectral usage and network congestion. Non-orthogonal multiple access (NOMA) is a promising wireless communication technique…

Information Theory · Computer Science 2021-10-22 Sreelakshmi P. , Jesy Pachat , Anjana A. Mahesh , Deepthi P. P. , B. Sundar Rajan

The explosive growth of bandwidth hungry Internet applications has led to the rapid development of new generation mobile network technologies that are expected to provide broadband access to the Internet in a pervasive manner. For example,…

Signal Processing · Electrical Eng. & Systems 2021-01-28 Xin Liu , Kwok-Yan Lam , Feng Li , Jun Zhao , Li Wang

Non-orthogonal multiple access (NOMA) communications promise high spectral efficiency and massive connectivity, serving multiple users over the same time-frequency-code resources. Higher data rates and massive connectivity are also achieved…

Signal Processing · Electrical Eng. & Systems 2021-11-03 Ahmed Magbool , Hadi Sarieddeen , Nour Kouzayha , Mohamed-Slim Alouini , Tareq Y. Al-Naffouri

This article investigates the non-orthogonal multiple access (NOMA) enhanced unmanned aerial vehicle (UAV)-to-Everything (U2X) frameworks. A novel 3-Dimension framework for providing wireless services to randomly roaming NOMA receivers…

Information Theory · Computer Science 2019-07-15 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

To cope with the unprecedented surge in demand for data computing for the applications, the promising concept of multi-access edge computing (MEC) has been proposed to enable the network edges to provide closer data processing for mobile…

Information Theory · Computer Science 2020-08-14 Qiqi Ren , Jian Chen , Omid Abbasi , Gunes Karabulut Kurt , Halim Yanikomeroglu , F. Richard Yu

In this paper, we develop various beamforming techniques for downlink transmission for multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) systems. First, a beamforming approach with perfect channel state information…

Information Theory · Computer Science 2018-07-10 Faezeh Alavi , Kanapathippillai Cumanan , Zhiguo Ding , Alister G. Burr

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

The grand objective of 5G wireless technology is to support three generic services with vastly heterogeneous requirements: enhanced mobile broadband (eMBB), massive machine-type communications (mMTC), and ultra-reliable low-latency…

Networking and Internet Architecture · Computer Science 2018-08-02 Petar Popovski , Kasper F. Trillingsgaard , Osvaldo Simeone , Giuseppe Durisi

In this paper, we investigate the issue of massive access in a beyond fifth-generation (B5G) multi-beam low earth orbit (LEO) satellite internet of things (IoT) network in the presence of channel phase uncertainty due to channel state…

Information Theory · Computer Science 2020-08-11 Jianhang Chu , Xiaoming Chen , Caijun Zhong , Zhaoyang Zhang

Semi-grant-free non-orthogonal multiple access (semi-GF NOMA) has emerged as a promising technology for the fifth-generation new radio (5G-NR) networks supporting the coexistence of a large number of random connections with various quality…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Duc-Dung Tran , Vu Nguyen Ha , Symeon Chatzinotas , Ti Ti Nguyen

As it has been discussed in the first part of this work, the utilization of advanced multiple access protocols and the joint optimization of the communication and computing resources can facilitate the reduction of delay for wireless…

Information Theory · Computer Science 2021-04-27 Pavlos S. Bouzinis , Panagiotis D. Diamantoulakis , George K. Karagiannidis

This paper proposes a new multiple access technique based on the millimeter wave lens-based reconfigurable antenna systems. In particular, to support a large number of groups of users with different angles of departures (AoDs), we integrate…

Information Theory · Computer Science 2019-03-29 Mojtaba Ahmadi Almasi , Roohollah Amiri , Mojtaba Vaezi , Hani Mehrpouyan

To design an efficient interference management and multiple access scheme for visible light communication (VLC) network, this letter leverages the non-orthogonal multiple access (NOMA), which has received significant attention in the…

Information Theory · Computer Science 2016-10-25 Xiaoke Zhang , Qian Gao , Chen Gong , Zhengyuan Xu

The aim of this work is to propose new approaches for maximizing the energy efficiency of downlink 5G mobile communication systems, in the presence of a reactive jammer. The concepts of non-orthogonal multiple access (NOMA) and distributed…

Signal Processing · Electrical Eng. & Systems 2019-03-28 Joumana Farah , Jacques Akiki , Eric Pierre Simon

The spectrum-efficient millimeter-wave (mmWave) communications has recently attracted much attention as a viable solution to spectrum crunch problem. In this work, we propose a novel non-orthogonal multiple access (NOMA) framework, which…

Information Theory · Computer Science 2019-10-02 Yavuz Yapici , Ismail Guvenc , Huaiyu Dai