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The proliferation of data-intensive and low-latency applications has driven the development of multi-access edge computing (MEC) as a viable solution to meet the increasing demands for high-performance computing and storage capabilities at…

网络与互联网体系结构 · 计算机科学 2024-08-26 Pyae Sone Aung , Kitae Kim , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Incorporating mobile edge computing (MEC) and integrated sensing and communication (ISAC) has emerged as a promising technology to enable integrated sensing, communication, and computing (ISCC) in the sixth generation (6G) networks. ISCC is…

信号处理 · 电气工程与系统科学 2025-07-23 Peng Liu , Xinyi Wang , Zesong Fei , Yuan Wu , Jie Xu , Arumugam Nallanathan

Benefiting from its capability to generalize existing reconfigurable intelligent surface (RIS) architectures and provide additional design flexibility via interactions between RIS elements, beyond-diagonal RIS (BD-RIS) has attracted…

信号处理 · 电气工程与系统科学 2025-01-20 Xiaohua Zhou , Tianyu Fang , Yijie Mao

This letter considers the reconfigurable intelligent surface (RIS)-aided unmanned aerial vehicle (UAV) communication systems in urban areas under the general Rician fading channel. A hybrid offline-online design is proposed to improve the…

信号处理 · 电气工程与系统科学 2022-05-30 Kaiyuan Tian , Bin Duo , Xiaojun Yuan , Wu Luo

This paper proposes a solution for energy-efficient communication in reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicle (UAV) networks. The limited battery life of UAVs is a major concern for their sustainable…

信息论 · 计算机科学 2023-08-21 Mohammad Javad-Kalbasi , Mohammed S Al-Abiad , Shahrokh Valaee

In this paper, we investigate an intelligent reflecting surface (IRS) assisted full-duplex (FD) integrated sensing, communication and computing system. Specifically, an FD base station (BS) provides service for uplink and downlink…

信息论 · 计算机科学 2024-09-04 Wanming Hao , Xue Wu , Xingwang Li , Gangcan Sun , Qingqing Wu , Liang Yang

In this paper, we study an unmanned aerial vehicle (UAV) communication system, where a ground node (GN) communicate with a UAV assisted by intelligent reflecting surface (IRS) in the presence of a jammer with imperfect location information.…

信息论 · 计算机科学 2022-01-25 Zhi Ji , Xinrong Guan , Jia Tu , Qingqing Wu , Wendong Yang

Unmanned aerial vehicles (UAVs) have brought a lot of flexibility in the network deployment. However, UAVs suffer from the high mobility and instability. To improve the capacity and reliability of the UAV networks, millimeter-wave (mmWave)…

信息论 · 计算机科学 2021-08-09 Lisi Jiang , Hamid Jafarkhani

Reconfigurable intelligent surfaces (RIS) is regarded as a key enabler of wave/analog-domain beamforming, processing, and computing in future wireless communication systems. Recently, Beyond Diagonal RIS (BD-RIS) has been proposed as a…

信息论 · 计算机科学 2025-09-11 Zheyu Wu , Bruno Clerckx

Intelligent reflecting surfaces (IRSs) constitute a disruptive wireless communication technique capable of creating a controllable propagation environment. In this paper, we propose to invoke an IRS at the cell boundary of multiple cells to…

信号处理 · 电气工程与系统科学 2020-04-27 Cunhua Pan , Hong Ren , Kezhi Wang , Wei Xu , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

In Unmanned Aerial Vehicle (UAV)-enabled mobile edge computing (MEC) systems, UAVs can carry edge servers to help ground user equipment (UEs) offloading their computing tasks to the UAVs for execution. This paper aims to minimize the total…

多智能体系统 · 计算机科学 2020-10-27 Sujunjie Sun , Guopeng Zhang , Haibo Mei , Kezhi Wang , Kun Yang

Over-the-air computation (AirComp) is an efficient solution to enable federated learning on wireless channels. AirComp assumes that the wireless channels from different devices can be controlled, e.g., via transmitter-side phase…

信号处理 · 电气工程与系统科学 2020-04-21 Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

The integration of satellite and autonomous aerial vehicle (AAV) communications has become essential for the scenarios requiring both wide coverage and rapid deployment, particularly in remote or disaster-stricken areas where the…

网络与互联网体系结构 · 计算机科学 2026-01-13 Boxiong Wang , Hui Kang , Jiahui Li , Geng Sun , Zemin Sun , Jiacheng Wang , Dusit Niyato , Shiwen Mao

Radio frequency (RF) wireless power transfer (WPT) is promising for promoting sustainability in future wireless systems, but its low end-to-end power transfer efficiency is a critical challenge. For this, reconfigurable intelligent surfaces…

信号处理 · 电气工程与系统科学 2025-01-06 Amirhossein Azarbahram , Onel L. A. López , Bruno Clerckx , Marco Di Renzo , Matti Latva-aho

With the continuous development of Intelligent Reflecting Surfaces (IRSs) and Unmanned Aerial Vehicles (UAVs), their combination has become foundational technologies to complement the terrestrial network by providing communication…

网络与互联网体系结构 · 计算机科学 2025-01-14 Zhaolong Ning , Tengfeng Li , Yu Wu , Xiaojie Wang , Qingqing Wu , Fei Richard Yu , Song Guo

As a physical layer security technology, directional modulation (DM) can be combined with intelligent reflect-ing surface (IRS) to improve the security of drone communications. In this paper, a directional modulation scheme assisted by the…

信号处理 · 电气工程与系统科学 2024-10-08 Maolin Li , Wei Gao , Qi Wu , Feng Shu , Cunhua Pan , Di Wu

Unmanned aerial vehicle (UAV) communication has emerged as a prominent technology for emergency communications (e.g., natural disaster) in the Internet of Things (IoT) networks to enhance the ability of disaster prediction, damage…

信号处理 · 电气工程与系统科学 2021-08-17 Dinh-Hieu Tran , Van-Dinh Nguyen , Sumit Gautam , Symeon Chatzinotas , Thang X. Vu , Bjorn Ottersten

Reconfigurable intelligent surface (RIS) is a new and revolutionary technology to achieve spectrum-, energy- and cost-efficient wireless networks. This paper studies the resource allocation for RIS-empowered device-to-device (D2D)…

信息论 · 计算机科学 2020-07-21 Gang Yang , Yating Liao , Ying-Chang Liang , Olav Tirkkonen

Beyond Diagonal Reconfigurable Intelligent Surfaces (BD-RIS) represent a groundbreaking innovation in sixth-generation (6G) wireless networks, enabling unprecedented control over wireless propagation environments compared to conventional…

An intelligent reflecting surface (IRS) is invoked for enhancing the energy harvesting performance of a simultaneous wireless information and power transfer (SWIPT) aided system. Specifically, an IRS-assisted SWIPT system is considered,…

信号处理 · 电气工程与系统科学 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo