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Mobile edge computing (MEC) is envisioned as a promising technique to support computation-intensive and timecritical applications in future Internet of Things (IoT) era. However, the uplink transmission performance will be highly impacted…

信号处理 · 电气工程与系统科学 2022-05-05 Yizhen Yang , Yi Gong , Yik-Chung Wu

Although multi-access edge computing (MEC) has allowed for computation offloading at the network edge, weak wireless signals in the radio access network caused by obstacles and high network load are still preventing efficient edge…

信号处理 · 电气工程与系统科学 2023-12-15 Elie El Haber , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine , Kim Khoa Nguyen

This paper investigates a downlink multiple-input single-output intelligent reflecting surface (IRS) aided non-orthogonal multiple access (NOMA) system, where a base station (BS) serves multiple users with the aid of IRSs. Our goal is to…

信号处理 · 电气工程与系统科学 2020-11-12 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Naofal Al-Dhahir

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…

信号处理 · 电气工程与系统科学 2020-05-14 Tong Bai , Cunhua Pan , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

In this paper, we propose a new dynamic IRS beamforming framework to boost the sum throughput of an intelligent reflecting surface (IRS) aided wireless powered communication network (WPCN). Specifically, the IRS phase-shift vectors across…

信息论 · 计算机科学 2021-11-22 Qingqing Wu , Xiaobo Zhou , Wen Chen , Jun Li , Xiuyin Zhang

The merge of mobile edge computing (MEC) and millimeter-wave (mmWave) communications will hopefully enable the fast access for computational resources, where these two technologies can benefit from each other's potentials. However, the high…

信号处理 · 电气工程与系统科学 2025-03-13 Yashuai Cao , Tiejun Lv

Wireless powered mobile edge computing (WP-MEC) has been recognized as a promising solution to enhance the computational capability and sustainable energy supply for low-power wireless devices (WDs). However, when the communication links…

信息论 · 计算机科学 2023-09-08 Nana Li , Wanming Hao , Fuhui Zhou , Zheng Chu , Shouyi Yang , Pei Xiao

Intelligent reflecting surface (IRS) has been considered as an efficient way to boost the computation capability of mobile edge computing (MEC) system, especially when the communication links is blocked or the communication signal is weak.…

信息论 · 计算机科学 2024-07-16 N. Li , W. Hao , X. Li , Z. Zhu , Z. Tang , S. Yang

Intelligent reflecting surface (IRS) has become a promising technology to aid next generation wireless communication systems. In this paper, we develop an alternating beamforming technique with a novel concept of IRS element allocation for…

信息论 · 计算机科学 2022-06-28 Hyesang Cho , Junil Choi

Mobile-edge computing (MEC) is expected to provide low-latency computation service for wireless devices (WDs). However, when WDs are located at cell edge or communication links between base stations (BSs) and WDs are blocked, the offloading…

信息论 · 计算机科学 2022-06-10 Nana Li , Wanming Hao , Fuhui Zhou , Shouyi Yang , Naofal Al-Dhahir

In this letter, we investigate an intelligent reflecting surface (IRS) aided device-to-device (D2D) offloading system, where an IRS is employed to assist in computation offloading from a group of users with intensive tasks to another group…

信号处理 · 电气工程与系统科学 2021-01-13 Yanzhen Liu , Qiyu Hu , Yunlong Cai , Markku Juntti

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…

信息论 · 计算机科学 2021-08-24 Guangji Chen , Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Lajos Hanzo

In this paper, we focus on intelligent reflecting surface (IRS) assisted multi-antenna communications with transceiver hardware impairments encountered in practice. In particular, we aim to maximize the received signal-to-noise ratio (SNR)…

信息论 · 计算机科学 2020-10-22 Hong Shen , Wei Xu , Shulei Gong , Chunming Zhao , Derrick Wing Kwan Ng

Mobile edge computing (MEC) is powerful to alleviate the heavy computing tasks in integrated sensing and communication (ISAC) systems. In this paper, we investigate joint beamforming and offloading design in a three-tier integrated sensing,…

信息论 · 计算机科学 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Yiqing Zhou , Yan Zhang , Fan Liu

In this paper, the problem of maximizing the sum of data rates of all users in an intelligent reflecting surface (IRS)-assisted millimeter wave multicast multiple-input multiple-output communication system is studied. In the considered…

信号处理 · 电气工程与系统科学 2022-08-16 Songling Zhang , Zhaohui Yang , Mingzhe Chen , Danpu Liu , Kai-Kit Wong , H. Vincent Poor

Intelligent reflecting surface (IRS)-assisted mobile edge computing (MEC) systems have shown notable improvements in efficiency, such as reduced latency, higher data rates, and better energy efficiency. However, the resource competition…

信号处理 · 电气工程与系统科学 2026-04-28 Yinyu Wu , Xuhui Zhang , Yingchao Jiao , Jinke Ren , Yanyan Shen , Bo Yang , Shuqiang Wang , Dusit Niyato

Intelligent reflecting surface (IRS) is a promising solution to build a programmable wireless environment for future communication systems. In practice, an IRS consists of massive low-cost elements, which can steer the incident signal in…

信号处理 · 电气工程与系统科学 2019-05-31 Huayan Guo , Ying-Chang Liang , Jie Chen , Erik G. Larsson

We consider computation offloading for edge computing in a wireless network equipped with intelligent reflecting surfaces (IRSs). IRS is an emerging technology and has recently received great attention since they can improve the wireless…

信号处理 · 电气工程与系统科学 2020-01-29 Yang Liu , Jun Zhao , Zehui Xiong , Dusit Niyato , Chau Yuen , Cunhua Pan , Binbin Huang

Intelligent reflecting surface (IRS) has been considered as a promising technology to alleviate the blockage effect and enhance coverage in millimeter wave (mmWave) communication. To explore the impact of IRS on the performance of mmWave…

信号处理 · 电气工程与系统科学 2022-10-05 Renlong Wei , Qing Xue , Shaodan Ma , Yongjun Xu , Li Yan , Xuming Fang

The idea of Integrated Sensing and Communication (ISAC) offers a promising solution to the problem of spectrum congestion in future wireless networks. This paper studies the integration of intelligent reflective surfaces (IRS) with ISAC…

信号处理 · 电气工程与系统科学 2023-09-06 Mahmoud AlaaEldin , Emad Alsusa , Karim G. Seddik , Christos Masouros , Iman Valiulahi
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