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In this paper, we consider a UAV-enabled MEC platform that serves multiple mobile ground users with random movements and task arrivals. We aim to minimize the average weighted energy consumption of all users subject to the average UAV…

系统与控制 · 电气工程与系统科学 2021-05-20 Zheyuan Yang , Suzhi Bi , Ying-Jun Angela Zhang

This paper presents an innovative movable antenna (MA)-enhanced multi-user multiple-input multiple-output (MIMO) downlink system. We aim to maximize the energy efficiency (EE) under statistical channel state information (S-CSI) through a…

信息论 · 计算机科学 2025-09-16 Xintai Chen , Biqian Feng , Yongpeng Wu , Xiang-Gen Xia , Chengshan Xiao

In this paper, we study the energy-efficient user access control (UAC) based on resource allocation (RA) in heterogeneous cellular networks (HCNs) with the required downlink data rate under non-ideal power amplifiers (PAs) and circuit…

信息论 · 计算机科学 2018-01-08 Yuhao Zhang , Qimei Cui , Ning Wang

We optimize resource allocation to enable communication security in simultaneous wireless information and power transfer (SWIPT) for internet-of-things (IoT) networks. The resource allocation algorithm design is formulated as a non-convex…

信息论 · 计算机科学 2017-01-30 Elena Boshkovska , Nikola Zlatanov , Linglong Dai , Derrick Wing Kwan Ng , Robert Schober

In this paper, energy efficient power allocation for downlink massive MIMO systems is investigated. A constrained non-convex optimization problem is formulated to maximize the energy efficiency (EE), which takes into account the quality of…

信息论 · 计算机科学 2017-03-22 Jiadian Zhang , Yanxiang Jiang , Peng Li , Fuchun Zheng , Xiaohu You

Hybrid aerial-terrestrial communication networks based on Low Altitude Platforms (LAPs) are expected to optimally meet the urgent communication needs of emergency relief and recovery operations for tackling large scale natural disasters.…

网络与互联网体系结构 · 计算机科学 2016-11-18 Sithamparanathan Kandeepan , Karina Gomez , Laurent Reynaud , Tinku Rasheed

This paper considers an unmanned aerial vehicle (UAV)-enabled wireless power transfer (WPT) system, in which a UAV equipped with a directional antenna is dispatched to deliver wireless energy to charge two energy receivers (ERs) on the…

信息论 · 计算机科学 2018-05-11 Yundi Wu , Jie Xu , Ling Qiu

In this paper, we investigate joint resource allocation and trajectory design for multi-user multi-target unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC). To improve sensing accuracy, the UAV is forced to…

信号处理 · 电气工程与系统科学 2023-10-25 Ata Khalili , Atefeh Rezaei , Dongfang Xu , Robert Schober

This paper investigates an innovative movable antenna (MA)-enhanced multiple-input multiple-output (MIMO) system designed to enhance communication performance. We aim to maximize the energy efficiency (EE) under statistical channel state…

信息论 · 计算机科学 2025-01-22 Xintai Chen , Biqian Feng , Yongpeng Wu , Wenjun Zhang

With the emergence of diverse mobile applications (such as augmented reality), the quality of experience of mobile users is greatly limited by their computation capacity and finite battery lifetime. Mobile edge computing (MEC) and wireless…

信号处理 · 电气工程与系统科学 2018-02-13 Fuhui Zhou , Yongpeng Wu , Haijian Sun , Zheng Chu

This letter aims to maximize the average throughput via the joint design of the transmit power and trajectory for unmanned aerial vehicle (UAV)-enabled network. The conventional way to tackle this problem is based on the alternating…

信号处理 · 电气工程与系统科学 2020-03-11 Hongying Tang , Qingqing Wu , Jing Xu , Wen Chen , Baoqing~Li

Space-air-ground integrated networks (SAGINs) are emerging as a pivotal element in the evolution of future wireless networks. Despite their potential, the joint design of communication and computation within SAGINs remains a formidable…

信息论 · 计算机科学 2024-07-08 Zhouxiang Zhao , Zhaohui Yang , Mingzhe Chen , Zhaoyang Zhang , Wei Xu , Kaibin Huang

Mobile edge computing (MEC) and wireless power transfer (WPT) are two promising techniques to enhance the computation capability and to prolong the operational time of low-power wireless devices that are ubiquitous in Internet of Things.…

信号处理 · 电气工程与系统科学 2018-07-19 Fuhui Zhou , Yongpeng Wu , Rose Qingyang Hu , Yi Qian

Unmanned Aerial Vehicles (UAVs) have significantly enhanced fog computing by acting as both flexible computation platforms and communication mobile relays. In this paper, we consider four important and interdependent modules: attitude…

系统与控制 · 电气工程与系统科学 2026-02-13 Shuaijun Liu , Jinqiu Du , Yaxin Zheng , Jiaying Yin , Yuhui Deng , Jingjin Wu

We present a data-driven optimization framework that aims to address online adaptation of the flight path shape for an airborne wind energy system (AWE) that follows a repetitive path to generate power. Specifically, Bayesian optimization,…

系统与控制 · 电气工程与系统科学 2020-11-18 Ali Baheri , Chris Vermillion

With the evolution of artificial intelligence-generated content (AIGC) techniques and the development of space-air-ground integrated networks (SAGIN), there will be a growing opportunity to enhance more users' mobile experience with…

新兴技术 · 计算机科学 2026-01-05 Liangxin Qian , Peiyuan Si , Jun Zhao , Kwok-Yan Lam

This paper investigates unmanned aerial vehicle (UAV) data collection systems with different multiple access schemes, where a rotary-wing UAV is dispatched to collect data from multiple ground nodes (GNs). Our goal is to maximize the…

信息论 · 计算机科学 2021-08-03 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Zhiguo Ding

This paper investigates energy efficiency maximization in an integrated sensing and communication framework for satellite-UAV MIMO systems, where a LEO satellite and a UAV simultaneously serve ground users and perform target sensing. Both…

Recently, unmanned aerial vehicles (UAVs) assisted multi-access edge computing (MEC) systems emerged as a promising solution for providing computation services to mobile users outside of terrestrial infrastructure coverage. As each UAV…

网络与互联网体系结构 · 计算机科学 2021-08-02 Yan Kyaw Tun , Tri Nguyen Dang , Kitae Kim , Madyan Anselwi , Walid Saad , Choong Seon Hong

This letter proposes a new full-duplex (FD) secrecy communication scheme for the unmanned aerial vehicle (UAV) and investigates its optimal design to achieve the maximum energy efficiency (EE) of the UAV. Specifically, the UAV receives the…

信息论 · 计算机科学 2019-06-19 Bin Duo , Qingqing Wu , Xiaojun Yuan , Rui Zhang