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This paper investigates a rotatable antenna (RA) assisted mobile edge computing (MEC) network, where multiple users offload their computation tasks to an edge server equipped with an RA array under a time-division multiple access protocol.…

Information Theory · Computer Science 2026-03-17 Ji Wang , Hao Chen , Yixuan Li , Jun Zhang , Xingwang Li , Ming Zeng , Octavia A. Dobre

This paper proposes a general optimization framework to improve the spectral and energy efficiency (EE) of ultra-reliable low-latency communication (URLLC) simultaneous-transfer-and-receive (STAR) reconfigurable intelligent surface…

Information Theory · Computer Science 2023-07-11 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck

Secure downlink transmission in UAV-assisted reconfigurable intelligent surface (RIS)-enabled multiuser MISO systems is challenging due to imperfect channel state information (CSI), untrusted energy-harvesting receivers (UEHRs), and the…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Hamid Reza Hashempour , Le-Nam Tran , Duy H. N. Nguyen , Hien Quoc Ngo

Efficient computation offloading in multi-UAV edge networks becomes particularly challenging in dense urban areas, where line-of-sight (LoS) links are frequently blocked and user demand varies rapidly. Reconfigurable intelligent surfaces…

Systems and Control · Electrical Eng. & Systems 2026-03-24 Liangshun Wu , Jianbo Du , Junsuo Qu

In this paper, the optimization of deploying unmanned aerial vehicles (UAVs) over a reconfigurable intelligent surfaces (RISs)-assisted visible light communication (VLC) system is studied. In the considered model, UAVs are required to…

Information Theory · Computer Science 2020-12-25 Yihan Cang , Ming Chen , Zhaohui Yang , Mingzhe Chen , Chongwen Huang

In the traditional mobile edge computing (MEC) system, the availability of MEC services is greatly limited for the edge users of the cell due to serious signal attenuation and inter-cell interference. User-centric MEC (UC-MEC) can be seen…

Signal Processing · Electrical Eng. & Systems 2023-02-22 Langtian Qin , Hancheng Lu , Yuang Chen , Zhuojia Gu , Dan Zhao , Feng Wu

Reconfigurable intelligent surface (RIS) is a promising technology for future wireless communication systems. However, the conventional RIS can only reflect the incident signal. Hence, it provides a limited coverage, as compared to a…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Sadaf Syed , Wolfgang Utschick , Michael Joham

Unmanned aerial vehicles (UAVs) have attracted significant interest recently in assisting wireless communication due to their high maneuverability, flexible deployment, and low cost. This paper considers a multi-UAV enabled wireless…

Information Theory · Computer Science 2018-01-10 Qingqing Wu , Yong Zeng , Rui Zhang

Mobile-edge computing (MEC) has been envisioned as a promising paradigm to meet ever-increasing resource demands of mobile users, prolong battery lives of mobile devices, and shorten request response delays experienced by users. An MEC…

Networking and Internet Architecture · Computer Science 2018-04-30 Zhuang Wang , Weifa Liang , Meitian Huang , Yu Ma

Merging Mobile Edge Computing (MEC), which is an emerging paradigm to meet the increasing computation demands from mobile devices, with the dense deployment of Base Stations (BSs), is foreseen as a key step towards the next generation…

Networking and Internet Architecture · Computer Science 2017-01-26 Lixing Chen , Sheng Zhou , Jie Xu

An intelligent reflecting surface (IRS)-aided wireless powered mobile edge computing (WP-MEC) system is conceived, where each device's computational task can be divided into two parts for local computing and offloading to mobile edge…

Information Theory · Computer Science 2021-08-24 Guangji Chen , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Lajos Hanzo

We study a wireless edge-computing system which allows multiple users to simultaneously offload computation-intensive tasks to multiple massive-MIMO access points, each with a collocated multi-access edge computing (MEC) server.…

Signal Processing · Electrical Eng. & Systems 2020-05-15 Rafia Malik , Mai Vu

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

A simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) assisted downlink (DL) active and uplink (UL) backscatter communication (BackCom) framework is proposed. More particularly, a full-duplex (FD) base…

Information Theory · Computer Science 2024-03-25 Ao Huang , Xidong Mu , Li Guo

Unmanned aerial vehicles (UAVs) play significant roles in multiple fields, which brings great challenges for the airspace safety. In order to achieve efficient surveillance and break the limitation of application scenarios caused by single…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Chao Dong , Yiyang Liao , Ziye Jia , Qihui Wu , Lei Zhang

Computation off-loading in mobile edge computing (MEC) systems constitutes an efficient paradigm of supporting resource-intensive applications on mobile devices. However, the benefit of MEC cannot be fully exploited, when the communications…

Signal Processing · Electrical Eng. & Systems 2020-05-14 Tong Bai , Cunhua Pan , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

Mobile-edge computation offloading (MECO) offloads intensive mobile computation to clouds located at the edges of cellular networks. Thereby, MECO is envisioned as a promising technique for prolonging the battery lives and enhancing the…

Information Theory · Computer Science 2016-04-12 Changsheng You , Kaibin Huang

Nowadays, the convergence of mobile edge computing (MEC) and vehicular networks has emerged as a vital enabler for the ever-increasing intelligent onboard applications. This paper proposes a multi-tier task offloading mechanism for…

Networking and Internet Architecture · Computer Science 2026-05-27 Yufei Ye , Shijian Gao , Xinhu Zheng , Liuqing Yang

Driven by the unprecedented high throughput and low latency requirements in next-generation wireless networks, this paper introduces an artificial intelligence (AI) enabled framework in which unmanned aerial vehicles (UAVs) use…

Signal Processing · Electrical Eng. & Systems 2021-01-29 Zhong Yang , Mingzhe Chen , Xiao Liu , Yuanwei Liu , Yue Chen , Shuguang Cui , H. Vincent Poor

Heavy data load and wide cover range have always been crucial problems for online data processing in internet of things (IoT). Recently, mobile-edge computing (MEC) and unmanned aerial vehicle base stations (UAV-BSs) have emerged as…

Networking and Internet Architecture · Computer Science 2019-06-13 Shuo Wan , Jiaxun Lu , Pingyi Fan , Khaled B. Letaief