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相关论文: Intelligent Reflecting Surface Meets Mobile Edge C…

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Intelligent reflecting surface (IRS) is an emerging technique to enhance the wireless communication spectral efficiency with low hardware and energy cost. In this letter, we consider the integration of IRS to an orthogonal frequency…

信息论 · 计算机科学 2019-12-04 Yifei Yang , Shuowen Zhang , Rui Zhang

In this paper, we consider a multi-user multiple-input multiple-output (MIMO) system aided by multiple intelligent reflecting surfaces (IRSs) that are deployed to increase the coverage and, possibly, the rank of the channel. We propose an…

信息论 · 计算机科学 2020-12-22 Andrea Abrardo , Davide Dardari , Marco Di Renzo

This paper investigates a device-to-device (D2D) cooperative computing system, where an user can offload part of its computation task to nearby idle users with the aid of an intelligent reflecting surface (IRS). We propose to minimize the…

信息论 · 计算机科学 2021-03-25 Sun Mao , Xiaoli Chu , Qingqing Wu , Lei Liu , Jie Feng

Intelligent reflecting surface (IRS) has emerged as a revolutionizing solution to enhance wireless communications by intelligently changing the propagation environment. Prior studies on IRS are based on an ideal reflection model with a…

信号处理 · 电气工程与系统科学 2020-06-03 Wenhao Cai , Hongyu Li , Ming Li , Qian Liu

This letter presents a detailed performance analysis of the intelligent reflecting surface (IRS) aided single-input single-output communication systems, taking into account of the direct link between the transmitter and receiver. A…

信息论 · 计算机科学 2020-08-04 Qin Tao , Junwei Wang , Caijun Zhong

Intelligent reflecting surface (IRS) can be densely deployed in complex environment to create cascaded line-of-sight (LoS) paths between multiple base stations (BSs) and users via tunable IRS reflections, thereby significantly enhancing the…

信息论 · 计算机科学 2023-04-07 Weidong Mei , Rui Zhang

Recent advancements in 6G systems signal a leap towards universal connectivity and ultra-reliable, low-latency communications for real-time data devices. Yet, these advancements encounter obstacles such as limited device battery life and…

信号处理 · 电气工程与系统科学 2024-03-18 Asad Mahmood , Thang X. Vu , Wali Ullah Khan , Symeon Chatzinotas , Björn Ottersten

Intelligent reflective surfaces (IRSs) are invoked for improving both spectral efficiency (SE) and energy efficiency (EE). Specifically, an IRS-aided multiple-input multiple-output network is considered, where the performance of randomly…

信息论 · 计算机科学 2021-02-25 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen , Lajos Hanzo

Intelligent reflective surface (IRS) technologies help mitigate undesirable effects in wireless links by steering the communication signal between transmitters and receivers. IRS elements are configured to adjust the phase of the reflected…

信号处理 · 电气工程与系统科学 2025-05-02 Jorge Torres Gómez , Joana Angjo , Moritz Garkisch , Vahid Jamali , Robert Schober , Falko Dressler

With the development of the Internet of Things (IoT) and the birth of various new IoT devices, the capacity of massive IoT devices is facing challenges. Fortunately, edge computing can optimize problems such as delay and connectivity by…

分布式、并行与集群计算 · 计算机科学 2023-08-02 Shihao Shen , Yiwen Han , Xiaofei Wang , Yan Wang

Recently, the hybrid relay-reflecting intelligent surface (HRRIS) has been introduced as a spectral- and energy-efficient architecture to assist wireless communication systems. In the HRRIS, a single or few active relay elements are…

信息论 · 计算机科学 2021-09-06 Khac-Hoang Ngo , Nhan Thanh Nguyen , Thinh Quang Dinh , Trong-Minh Hoang , Markku Juntti

This paper concentrates on the problem of associating an intelligent reflecting surface (IRS) to multiple users in a multiple-input single-output (MISO) downlink wireless communication network. The main objective of the paper is to maximize…

信号处理 · 电气工程与系统科学 2024-10-10 Hamid Amiriara , Farid Ashtiani , Mahtab Mirmohseni , Masoumeh Nasiri-Kenari

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it provides rich…

信息论 · 计算机科学 2021-02-08 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

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

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it is with rich…

信息论 · 计算机科学 2020-12-29 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

As a recently proposed idea for future wireless systems, intelligent reflecting surface (IRS) can assist communications between entities which do not have high-quality direct channels in between. Specifically, an IRS comprises many low-cost…

信息论 · 计算机科学 2020-01-29 Huimei Han , Jun Zhao , Dusit Niyato , Marco Di Renzo , Quoc-Viet Pham

Intelligent reflecting surface (IRS) has been recently employed to reshape the wireless channels by controlling individual scattering elements' phase shifts, namely, passive beamforming. Due to the large size of scattering elements, the…

信号处理 · 电气工程与系统科学 2020-09-01 Shimin Gong , Jiaye Lin , Jinbei Zhang , Dusit Niyato , Dong In Kim , Mohsen Guizani

This work examines the performance gain achieved by deploying an intelligent reflecting surface (IRS) in covert communications. To this end, we formulate the joint design of the transmit power and the IRS reflection coefficients by taking…

信息论 · 计算机科学 2022-01-12 Xiaobo Zhou , Shihao Yan , Qingqing Wu , Feng Shu , Derrick Wing Kwan Ng

Intelligent reflecting surface (IRS) is a promising technology to boost the efficiency of wireless energy transfer (WET) systems. However, for a multiuser WET system, simultaneous multi-beam energy transmission is generally required to…

信息论 · 计算机科学 2022-05-19 Chi Qiu , Qingqing Wu , Meng Hua , Xinrong guan , Yuan Wu

Intelligent reflecting surfaces (IRSs) are regarded as key enablers of next-generation wireless communications, due to their capability of customizing the wireless propagation environment. In this paper, we investigate power-efficient…

信息论 · 计算机科学 2020-05-15 Xianghao Yu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober