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Unmanned aerial vehicles (UAVs) are developing rapidly owing to flexible deployment and access services as air base stations. However, the channel errors of low-altitude communication links formed by mobile deployment of UAVs cannot be…

Information Theory · Computer Science 2020-05-06 Haijun Zhang , Jianmin Zhang , Keping Long

Non-orthogonal multiple access (NOMA) is considered as a promising technology for improving the spectral efficiency (SE) in 5G. In this correspondence, we study the benefit of NOMA in enhancing energy efficiency (EE) for a multi-user…

Information Theory · Computer Science 2016-06-09 Yi Zhang , Hui-Ming Wang , Tong-Xing Zheng , Qian Yang

The existing computation and communication (2C) optimization schemes for vehicular edge computing (VEC) networks mainly focus on the physical domain without considering the influence from the social domain. This may greatly limit the…

Signal Processing · Electrical Eng. & Systems 2023-07-11 Tong Xue , Haixia Zhang , Hui Ding , Dongfeng Yuan

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

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

Information Theory · Computer Science 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

This paper introduces a novel multi-user mobile edge computing (MEC) scheme facilitated by the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) and the unmanned aerial vehicle (UAV). Unlike existing…

Information Theory · Computer Science 2024-09-16 Han Xiao , Xiaoyan Hu , Weile Zhang , Wenjie Wang , Kai-Kit Wong , Kun Yang

In this paper, we investigate the energy-efficient resource allocation problem in an uplink non-orthogonal multiple access (NOMA) millimeter wave system, where the fully-connected-based sparse radio frequency chain antenna structure is…

Information Theory · Computer Science 2019-09-16 Wanming Hao , Ming Zeng , Gangcan Sun , Osamu Muta , Octavia A. Dobre , Shouyi Yang , Haris Gacanin

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…

Systems and Control · Electrical Eng. & Systems 2021-05-20 Zheyuan Yang , Suzhi Bi , Ying-Jun Angela Zhang

Mobile Edge Computing (MEC) reduces the computational burden on terminal devices by shortening the distance between these devices and computing nodes. Integrating Unmanned Aerial Vehicles (UAVs) with enhanced MEC networks can leverage the…

Multiagent Systems · Computer Science 2024-09-27 Zhiying Wang , Tianxi Wei , Gang Sun , Xinyue Liu , Hongfang Yu , Dusit Niyato

By allowing a mobile device to offload computation-intensive tasks to a base station, mobile edge computing (MEC) is a promising solution for saving the mobile device's energy. In real applications, the offloading may span multiple fading…

Information Theory · Computer Science 2019-04-25 Rongfei Fan , Fudong Li , Song Jin , Gongpu Wang , Hai Jiang , Shaohua Wu

This paper proposes a novel multi-unmanned aerial vehicle (UAV) assisted collaborative mobile edge computing (MEC) framework, where the computing tasks of terminal devices (TDs) can be decomposed into serial or parallel sub-tasks and…

Computers and Society · Computer Science 2025-10-27 Zhenyu Zhao , Xiaoxia Xu , Tiankui Zhang , Junjie Li , Yuanwei Liu

This paper studies an unmanned aerial vehicle (UAV)-enabled multiple access channel (MAC), in which multiple ground users transmit individual messages to a mobile UAV in the sky. We consider a linear topology scenario, where these users…

Information Theory · Computer Science 2020-01-17 Peiming Li , Jie Xu

This paper studies a wireless powered mobile edge computing (MEC) system with device-to-device (D2D)-enabled task offloading. In this system, a set of distributed multi-antenna energy transmitters (ETs) use collaborative energy beamforming…

Information Theory · Computer Science 2019-11-01 Dixiao Wu , Feng Wang , Xiaowen Cao , Jie Xu

The combination of non-orthogonal multiple access (NOMA) and mobile edge computing (MEC) can significantly improve the spectrum efficiency beyond the fifth-generation network. In this paper, we mainly focus on energy-efficient resource…

Signal Processing · Electrical Eng. & Systems 2020-09-15 Fang Fang , Kaidi Wang , Zhiguo Ding , Victor C. M. Leung

Mobile edge computing (MEC) is a promising technology to meet the increasing demands and computing limitations of complex Internet of Things (IoT) devices. However, implementing MEC in urban environments can be challenging due to factors…

Networking and Internet Architecture · Computer Science 2025-02-03 Subhrajit Barick , Chetna Singhal

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…

Networking and Internet Architecture · Computer Science 2021-08-02 Yan Kyaw Tun , Tri Nguyen Dang , Kitae Kim , Madyan Anselwi , Walid Saad , Choong Seon Hong

In this work, we address the problem of finding globally optimal power allocation strategies to maximize the users sum-rate (SR) as well as system energy efficiency (EE) in the downlink of single-cell multicarrier non-orthogonal multiple…

Information Theory · Computer Science 2022-01-19 Sepehr Rezvani , Eduard A. Jorswieck , Roghayeh Joda , Halim Yanikomeroglu

In order to overcome the inherent latency in multi-user unmanned aerial vehicle (UAV) networks with orthogonal multiple access (OMA). In this paper, we investigate the UAV enabled uplink non-orthogonal multiple access (NOMA) network, where…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Jinhui Lu , Yuntian Wang , Tingting Liu , Zhihong Zhuang , Xiaobo Zhou , Feng Shu , Zhu Han

In this paper, we investigate resource allocation algorithm design for multicarrier non-orthogonal multiple access (MC-NOMA) systems employing a full-duplex (FD) base station (BS) for serving multiple half-duplex (HD) downlink (DL) and…

Information Theory · Computer Science 2016-07-12 Yan Sun , Derrick Wing Kwan Ng , Zhiguo Ding , Robert Schober

In this paper, a multi-vehicle multi-task nonorthogonal multiple access (NOMA) assisted mobile edge computing (MEC) system with passive eavesdropping vehicles is investigated. To heighten the performance of edge vehicles, we propose a…

Information Theory · Computer Science 2021-08-03 Ling He , Miaowen Wen , Yingyang Chen , Bingli Jiao