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In this paper, we study resource allocation algorithm design for multiuser orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To achieve the…

Information Theory · Computer Science 2020-05-12 Walid R. Ghanem , Vahid Jamali , Qiuyu Zhang , Robert Schober

During the last few years, the use of Unmanned Aerial Vehicles (UAVs) equipped with sensors and cameras has emerged as a cutting-edge technology to provide services such as surveillance, infrastructure inspections, and target acquisition.…

Networking and Internet Architecture · Computer Science 2024-06-17 Alessandro Traspadini , Marco Giordani , Giovanni Giambene , Tomaso De Cola , Michele Zorzi

To overcome devices' limitations in performing computation-intense applications, mobile edge computing (MEC) enables users to offload tasks to proximal MEC servers for faster task computation. However, current MEC system design is based on…

Networking and Internet Architecture · Computer Science 2020-05-19 Chen-Feng Liu , Mehdi Bennis , Merouane Debbah , H. Vincent Poor

Wireless charging coupled with computation offloading in edge networks offers a promising solution for realizing power-hungry and computation intensive applications on user devices. We consider a multi-access edge computing (MEC) system…

Signal Processing · Electrical Eng. & Systems 2020-12-14 Rafia Malik , Mai Vu

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

This paper investigates the optimal resource allocation of a downlink non-orthogonal multiple access (NOMA) system consisting of one base station and multiple users. Unlike existing short-term NOMA designs that focused on the resource…

Information Theory · Computer Science 2017-05-25 Wei Bao , He Chen , Yonghui Li , Branka Vucetic

Integrated into existing Mobile Edge Computing (MEC) systems, Unmanned Aerial Vehicles (UAVs) serve as a cornerstone in meeting the stringent requirements of future Internet of Things (IoT) networks. The current endeavor studies an MEC…

Signal Processing · Electrical Eng. & Systems 2025-04-02 Maryam Farajzadeh Dehkordi , Bijan Jabbari

In this paper, we investigate unmanned aerial vehicle (UAV) assisted communication systems that require quasi-balanced data rates in uplink (UL) and downlink (DL), as well as users' heterogeneous traffic. To the best of our knowledge, this…

Signal Processing · Electrical Eng. & Systems 2021-11-17 Haiyong Zeng , Xu Zhu , Yufei Jiang , Zhongxiang Wei , Sumei Sun

This paper aims to prove the significant superiority of hybrid non-orthogonal multiple access (NOMA) over orthog onal multiple access (OMA) in terms of energy efficiency. In particular, a novel hybrid NOMA scheme is proposed in which a user…

Information Theory · Computer Science 2024-11-05 Yanshi Sun , Zhiguo Ding , Yun Hou , George K. Karagiannidis

In this paper, the energy-efficient unmanned aerial vehicle (UAV) swarm assisted mobile edge computing (MEC) with dynamic clustering and scheduling is studied. In the considered system model, UAVs are divided into multiple swarms, with each…

Networking and Internet Architecture · Computer Science 2024-03-01 Jialiuyuan Li , Jiayuan Chen , Changyan Yi , Tong Zhang , Kun Zhu , Jun Cai

In this paper, we propose a novel adaptive decoding mechanism (ADM) for the unmanned aerial vehicle (UAV)-enabled uplink (UL) non-orthogonal multiple access (NOMA) communications. Specifically, considering a harsh UAV environment, where…

Information Theory · Computer Science 2023-03-10 Thanh Luan Nguyen , Georges Kaddoum , Tri Nhu Do , Daniel Benevides da Costa , Zygmunt J. Haas

With the rapid development of vehicular networks, various applications that require high computation resources have emerged. To efficiently execute these applications, vehicular edge computing (VEC) can be employed. VEC offloads the…

Signal Processing · Electrical Eng. & Systems 2019-10-16 Youngsu Jang , Jinyeop Na , Seongah Jeong , Joonhyuk Kang

In this paper, the problem of joint radio and computation resource management over multi-channel is investigated for multi-user partial offloading mobile edge computing (MEC) system. The target is to minimize the weighted sum of energy…

Information Theory · Computer Science 2021-05-04 Bizheng Liang , Rongfei Fan , Han Hu

In this paper, we jointly optimize computation offloading and resource allocation to minimize the weighted sum of energy consumption of all mobile users in a backhaul limited cooperative MEC system with multiple fog servers. Considering the…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-12 Phuong-Duy Nguyen , Vu Nguyen Ha , Long Bao Le

Network capacity calls for significant increase for 5G cellular systems. A promising multi-user access scheme, non-orthogonal multiple access (NOMA) with successive interference cancellation (SIC), is currently under consideration. In NOMA,…

Information Theory · Computer Science 2016-11-18 Lei Lei , Di Yuan , Chin Keong Ho , Sumei Sun

Multi-access edge computing (MEC) is regarded as a promising technology in the sixth-generation communication. However, the antenna gain is always affected by the environment when unmanned aerial vehicles (UAVs) are served as MEC platforms,…

Networking and Internet Architecture · Computer Science 2023-03-14 Can Cui , Ziye Jia , Chao Dong , Zhuang Ling , Jiahao You , Qihui Wu

While non-orthogonal multiple access (NOMA) improves spectral efficiency, it results in a complexity at the receivers due to successive interference cancellation (SIC). Prior studies on the energy efficiency of NOMA overlook the SIC…

Networking and Internet Architecture · Computer Science 2023-04-12 Syllas R. C. Magalhaes , Suzan Bayhan , Geert Heijenk

Recent developments in unmanned aerial vehicles (UAVs) and mobile edge computing (MEC) have provided users with flexible and resilient computing services. However, meeting the computing-intensive and latency-sensitive demands of users poses…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Geng Sun , Yixian Wang , Zemin Sun , Qingqing Wu , Jiawen Kang , Dusit Niyato , Victor C. M. Leung

With the proliferation of computation-extensive and latency-critical applications in the 5G and beyond networks, mobile-edge computing (MEC) or fog computing, which provides cloud-like computation and/or storage capabilities at the network…

Information Theory · Computer Science 2019-02-27 Hong Xing , Liang Liu , Jie Xu , Arumugam Nallanathan

Considering the user mobility and unpredictable mobile edge computing (MEC) environments, this paper studies the intelligent task offloading problem in unmanned aerial vehicle (UAV)-enabled MEC with the assistance of digital twin (DT). We…

Information Theory · Computer Science 2022-08-02 Bin Li , Yufeng Liu , Ling Tan , Heng Pan , Yan Zhang