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In this paper, a novel joint design of beamforming and power allocation is proposed for a multi-cell multiuser multiple-input multiple-output (MIMO) non-orthogonal multiple access (NOMA) network. In this network, base stations (BSs) adopt…

Information Theory · Computer Science 2018-06-13 Xiaofang Sun , Nan Yang , Shihao Yan , Zhiguo Ding , Derrick Wing Kwan Ng , Chao Shen , Zhangdui Zhong

In this paper, we propose a new resource allocation framework for unmanned aerial vehicle (UAV) assisted multicast wireless networks in which the network users according to their request are divided into several multicast groups. We adopt…

Systems and Control · Electrical Eng. & Systems 2022-02-15 Shima Salarhosseini , Mohammad Reza Javan , Ali Nazari

In this paper, we study the power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which takes into…

Information Theory · Computer Science 2016-07-06 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan

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

In this paper, we investigate the resource allocation algorithm design for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The proposed algorithm is obtained from the solution of a non-convex optimization problem for the…

Information Theory · Computer Science 2016-03-29 Yan Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Robert Schober

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

Information Theory · Computer Science 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

NOMA (non-orthogonal multiple access) will be seen as a promising technology for enhancing spectrum efficiency in future cellular networks. The use of unmanned aerial vehicle (UAV) Amplify-and-Forward (AF) relaying as a moving access point…

Information Theory · Computer Science 2023-04-27 Ghania Khraimech , Fatiha Merazka

A new multiple access (MA) strategy, referred to as non orthogonal multiple access - Relevant (NOMA-R), allows selecting NOMA when this increases all individual rates, i.e., it is beneficial for both strong(er) and weak(er) individual…

Signal Processing · Electrical Eng. & Systems 2020-04-24 Mylene Pischella , Arsenia Chorti , Inbar Fijalkow

In this paper, we study power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which jointly designs…

Information Theory · Computer Science 2017-05-18 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan , Hui-Ming Wang

We consider a downlink multiuser visible light communications (VLC) network where users randomly change their location and vertical orientation. The non-orthogonal multiple access (NOMA) strategy is adopted to serve multiple users…

Information Theory · Computer Science 2019-02-27 Yavuz Yapici , Ismail Guvenc

In this paper, we study the resource allocation algorithm design for multiple-input single-output (MISO) multicarrier non-orthogonal multiple access (MC-NOMA) systems, in which a full-duplex base station serves multiple half-duplex uplink…

Information Theory · Computer Science 2017-10-05 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

The main limitation of visible light communication (VLC) is the narrow modulation bandwidth, which reduces the achievable data rates. In this paper, we apply the non-orthogonal multiple access (NOMA) scheme to enhance the achievable…

Information Theory · Computer Science 2015-12-01 Hanaa Marshoud , Vasileios M. Kapinas , George K. Karagiannidis , Sami Muhaidat

Non-orthogonal multiple access (NOMA) has been considered one of the most promising radio access techniques for next-generation cellular networks. In this paper, we study the joint user and power scheduling for downlink NOMA over fading…

Networking and Internet Architecture · Computer Science 2021-01-11 Do-Yup Kim , Hamid Jafarkhani , Jang-Won Lee

Non-orthogonal multiple access (NOMA) is a promising radio access technique for next-generation wireless networks. In this article, we investigate the NOMA-based cooperative relay network. We begin with an introduction of the existing…

Information Theory · Computer Science 2018-01-16 Dehuan Wan , Miaowen Wen , Fei Ji , Hua Yu , Fangjiong Chen

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

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

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

This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focuses on maximizing the effective throughput for a core user while ensuring reliable…

Signal Processing · Electrical Eng. & Systems 2024-06-12 Xinyuan He , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

Non-orthogonal multiple access (NOMA) is widely viewed as a potential candidate for providing enhanced multiple access in future mobile networks by eliminating the orthogonal distribution of radio resources amongst the users. Nevertheless,…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Aditya Powari , Daniel K. C. So

In this paper, we investigate resource allocation algorithm design for multicarrier non-orthogonal multiple access (MC-NOMA) systems employing a full-duplex (FD) base station (BS) for serving multiple half-duplex (HD) downlink (DL) and…

Information Theory · Computer Science 2016-07-12 Yan Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Robert Schober