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A novel non-orthogonal multiple access (NOMA) based low-delay service framework is proposed for fog radio access networks (F-RANs). Fog access points (FAPs) leverage NOMA for local delivery of cached content, while the cloud access point…

信号处理 · 电气工程与系统科学 2026-02-26 Yuan Ai , Xidong Mu , Pengbo Si , Yuanwei Liu

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…

信息论 · 计算机科学 2017-10-05 Yan Sun , Derrick Wing Kwan Ng , Jun Zhu , Robert Schober

This study introduces a resource allocation framework for integrated satellite-terrestrial networks to address these challenges. The framework leverages local cache pool deployments and non-orthogonal multiple access (NOMA) to reduce time…

Non-orthogonal multiple access (NOMA) is a key technology to enable massive machine type communications (mMTC) in 5G networks and beyond. In this paper, NOMA is applied to improve the random access efficiency in high-density…

网络与互联网体系结构 · 计算机科学 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

Modern day wireless networks have tremendously evolved driven by a sharp increase in user demands, continuously requesting more data and services. This puts significant strain on infrastructure based macro cellular networks due to the…

网络与互联网体系结构 · 计算机科学 2016-11-17 Vishal Sharma , Mehdi Bennis , Rajesh Kumar

Unmanned Aerial Vehicles (UAVs) have been recently considered as means to provide enhanced coverage or relaying services to mobile users (MUs) in wireless systems with limited or no infrastructure. In this paper, a UAV-based mobile cloud…

网络与互联网体系结构 · 计算机科学 2017-05-19 Seongah Jeong , Osvaldo Simeone , Joonhyuk Kang

In this paper, we consider deploying multiple Unmanned Aerial Vehicles (UAVs) to enhance the computation service of Mobile Edge Computing (MEC) through collaborative computation among UAVs. In particular, the tasks of different types and…

信息论 · 计算机科学 2024-08-06 Bin Li , Rongrong Yang , Lei Liu , Celimuge Wu

Unmanned Aerial Vehicles (UAVs) acting as Flying Access Points (FAPs) are being used to provide on-demand wireless connectivity in extreme scenarios. Despite ongoing research, the optimization of UAVs' positions according to dynamic users'…

网络与互联网体系结构 · 计算机科学 2023-02-23 Eduardo Nuno Almeida , Rui Campos , Manuel Ricardo

In this paper, a machine learning based deployment framework of unmanned aerial vehicles (UAVs) is studied. In the considered model, UAVs are deployed as flying base stations (BS) to offload heavy traffic from ground BSs. Due to…

信号处理 · 电气工程与系统科学 2020-07-31 Linyan Lu , Zhaohui Yang , Mingzhe Chen , Zelin Zang , Mohammad Shikh-Bahaei

Recently, as a consequence of the COVID-19 pandemic, dependence on telecommunication for remote working and telemedicine has significantly increased. In cellular networks, incorporation of Unmanned Aerial Vehicles (UAVs) can result in…

This paper proposes a novel simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted unmanned aerial vehicle (UAV) non-orthogonal multiple access (NOMA) emergency communication network. Multiple…

信息论 · 计算机科学 2023-07-28 Jiayi Lei , Tiankui Zhang , Xidong Mu , Yuanwei Liu

Unmanned Aerial Vehicles (UAVs) with Microwave Power Transfer (MPT) capability provide a practical means to deploy a large number of wireless powered sensing devices into areas with no access to persistent power supplies. The UAV can charge…

网络与互联网体系结构 · 计算机科学 2019-06-18 Kai Li , Wei Ni , Eduardo Tovar

In this paper, a novel framework for power-efficient, cluster-based machine-to-machine (M2M) communications is proposed. In the studied model, a number of unmanned aerial vehicles (UAVs) are used as aerial base stations to collect data from…

The increased use of Unmanned Aerial Vehicles (UAVs) in numerous domains will result in high traffic densities in the low-altitude airspace. Consequently, UAVs Traffic Management (UTM) systems that allow the integration of UAVs in the…

网络与互联网体系结构 · 计算机科学 2022-01-05 O. Bekkouche , M. Bagaa , T. Taleb

Distributed management over Unmanned Aerial Vehicle (UAV) based communication networks (UCNs) has attracted increasing research attention. In this work, we study a distributed user connectivity maximization problem in a UCN. The work…

网络与互联网体系结构 · 计算机科学 2024-09-11 Bowei Li , Saugat Tripathi , Salman Hosain , Ran Zhang , Jiang , Xie , Miao Wang

Unmanned Aerial Vehicles (UAVs) are suited as cost-effective and adaptable platforms for carrying Wi-Fi Access Points (APs) and cellular Base Stations (BSs). Implementing aerial networks in disaster management scenarios and crowded areas…

网络与互联网体系结构 · 计算机科学 2024-12-16 Kamran Shafafi , Manuel Ricardo , Rui Campos

We study an urban wireless network in which cache-enabled UAV-Access points (UAV-APs) and UAV-Base stations (UAV-BSs) are deployed to provide higher throughput and ad-hoc coverage to users on the ground. The cache-enabled UAV-APs route the…

信息论 · 计算机科学 2022-07-19 Neetu R R , Gourab Ghatak , Anand Srivastava , Vivek Ashok Bohara

We consider a fully-loaded ground wireless network supporting unmanned aerial vehicle (UAV) transmission services. To enable the overload transmissions to a ground user (GU) and a UAV, two transmission schemes are employed, namely…

信息论 · 计算机科学 2020-01-22 Yulin Hu , Guodong Sun , Guohua Zhang , M. Cenk Gursoy , Anke Schmeink

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

Integrating unmanned aerial vehicles (UAV) to non-orthogonal multiple access (NOMA) visible light communications (VLC) exposes many potentials over VLC and NOMA-VLC systems. In this circumstance, user grouping is of importance to reduce the…

网络与互联网体系结构 · 计算机科学 2020-07-31 Quoc-Viet Pham , Nhu-Ngoc Dao , Thien Huynh-The , Jun Zhao , Won-Joo Hwang