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In a heterogeneous cellular network (HetNet), consider that a base station in the HetNet is able to simultaneously schedule and serve K users in the downlink by performing the power-domain non-orthogonal multiple access (NOMA) scheme. This…

Information Theory · Computer Science 2018-01-16 Chun-Hung Liu , Di-Chun Liang

In this paper, the potential benefits of applying non-orthogonal multiple access (NOMA) technique in $K$-tier hybrid heterogeneous networks (HetNets) is explored. A promising new transmission framework is proposed, in which NOMA is adopted…

Information Theory · Computer Science 2017-05-10 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Arumugam Nallanathan , Julie A. McCann

This letter advances the non-orthogonal multiple access (NOMA) technique for cellular downlink co-channel interference mitigation, via exploiting the (limited) cooperation among base stations (BSs). Specifically, we consider a simplified…

Information Theory · Computer Science 2020-02-17 Weidong Mei , Rui Zhang

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…

Signal Processing · Electrical Eng. & Systems 2018-01-17 Md Shipon Ali , Ekram Hossain , Arafat Al-Dweik , Dong In Kim

In this paper, we propose a network non-orthogonal multiple access (N-NOMA) technique for the downlink coordinated multipoint (CoMP) communication scenario of a cellular network, with randomly deployed users. In the considered N-NOMA…

Information Theory · Computer Science 2017-12-14 Yanshi Sun , Zhiguo Ding , Xuchu Dai , George K. Karagiannidis

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

In this paper, we utilize a downlink hybrid Non-Orthogonal Multiple Access (NOMA) framework to support multiple semantic and bit users within the communication network. The hybrid NOMA setup exploits both NOMA and Orthogonal Multiple Access…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Ishtiaque Ahmed , Leila Musavian

We study the meta distribution (MD) of the coverage probability (CP) in downlink non-orthogonal-multiple-access (NOMA) networks. Two schemes are assessed based on the location of the NOMA users: 1) anywhere in the network, 2) cell-center…

Information Theory · Computer Science 2018-11-07 Konpal Shaukat Ali , Hesham ElSawy , Mohamed-Slim Alouini

Ever increasing number of cellular users and their high data requirements, necessitates need for improvement in the present heterogeneous cellular networks (HetNet). Carrier sensing prevents base stations within a certain range of the…

Signal Processing · Electrical Eng. & Systems 2019-09-04 Pragya Swami , Vimal Bhatia , Satyanarayana Vuppala , Tharmalingam Ratnarajah

Non-orthogonal multiple access (NOMA) has been identified as a promising technology for future wireless systems due to its performance gains in spectral efficiency when compared to conventional orthogonal schemes (OMA). This gain can be…

Networking and Internet Architecture · Computer Science 2019-08-16 Onel L. A. López , Hirley Alves , Matti Latva-aho

Reconfigurable intelligent surface (RIS) has been regarded as a promising tool to strengthen the quality of signal transmissions in non-orthogonal multiple access (NOMA) networks. This article introduces a heterogeneous network (HetNet)…

Information Theory · Computer Science 2021-04-28 Ziyi Xie , Wenqiang Yi , Xuanli Wu , Yuanwei Liu , Arumugam Nallanathan

We develop a general downlink model for multi-antenna heterogeneous cellular networks (HetNets), where base stations (BSs) across tiers may differ in terms of transmit power, target signal-to-interference-ratio (SIR), deployment density,…

Information Theory · Computer Science 2016-11-15 Harpreet S. Dhillon , Marios Kountouris , Jeffrey G. Andrews

In the fifth generation and beyond (B5G) technologies, delay constrains emerge as a topic of particular interest for ultra reliable low latency communications (e.g., enhanced reality, haptic communications). In this report, we study the…

Information Theory · Computer Science 2020-01-31 Mouktar Bello

In this paper, we analyze the downlink coverage probability and rate of an aerial user in vertical HetNets (VHetNets) comprising aerial base stations (aerial-BSs) and terrestrial-BSs. The locations of terrestrial-BSs are modeled as an…

Signal Processing · Electrical Eng. & Systems 2020-09-11 Nesrine Cherif , Mohamed Alzenad , Halim Yanikomeroglu , Abbas Yongacoglu

This paper proposes a novel hybrid downlinkuplink cooperative NOMA (HDU-CNOMA) scheme to achieve a better tradeoff between spectral efficiency and signal reception reliability than the conventional cooperative NOMA schemes. In particular,…

Information Theory · Computer Science 2017-03-06 Zhiqiang Wei , Linglong Dai , Derrick Wing Kwan Ng , Jinhong Yuan

Non-orthogonal multiple access (NOMA) has been identified as one of the promising technologies to enhance the spectral efficiency and throughput for the fifth generation (5G) and beyond 5G cellular networks. Alternatively, Coordinated…

Information Theory · Computer Science 2021-12-15 Akhileswar Chowdary , Garima Chopra , Abhinav Kumar , Linga Reddy Cenkeramaddi

In cellular heterogeneous networks (HetNets), a number of distributed base stations cooperatively provide services to multiple mobile users. This paper addresses joint base-station activation and coordinated beamforming design for downlink…

Signal Processing · Electrical Eng. & Systems 2019-02-11 Siguo Bi , Zhaoxi Fang , Xiaojun Yuan , Xin Wang

Non-orthogonal multiple access (NOMA) has been recognized as a promising multiple access technique for the next generation cellular communication networks. In this paper, we first discuss a simple NOMA model with two users served by a…

Information Theory · Computer Science 2016-09-08 Zhiqiang Wei , Jinhong Yuan , Derrick Wing Kwan Ng , Maged Elkashlan , Zhiguo Ding

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

In this paper, we propose a novel joint resource allocation and cooperative caching scheme for power-domain non-orthogonal multiple access (PD-NOMA)-based heterogeneous networks (HetNets). In our scheme, the requested content is fetched…

Signal Processing · Electrical Eng. & Systems 2020-07-23 Maryam Moghimi , Abolfazl Zakeri , Mohammad Reza Javan , Nader Mokari , Derrick Wing Kwan Ng
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