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Intelligent reflecting surfaces (IRSs) have emerged as a promising wireless technology for the dynamic configuration and control of electromagnetic waves, thus creating a smart (programmable) radio environment. In this context, we study a…

Information Theory · Computer Science 2023-02-21 Christos N. Efrem , Ioannis Krikidis

This paper considers intelligent reflecting surface (IRS)-aided simultaneous wireless information and power transfer (SWIPT) in a multi-user multiple-input single-output (MISO) interference channel (IFC), where multiple transmitters (Txs)…

Information Theory · Computer Science 2024-01-31 Ying Gao , Qingqing Wu , Wen Chen , Celimuge Wu , Derrick Wing Kwan Ng , Naofal Al-Dhahir

Intelligent reflecting surfaces (IRSs) are considered a promising technology that can smartly reconfigure the wireless environment to enhance the performance of future wireless networks. However, the deployment of IRSs still faces…

Networking and Internet Architecture · Computer Science 2022-11-08 Faisal Naeem , Georges Kaddoum , Saud Khan , Komal S. Khan

Intelligent reflecting surface (IRS) is a promising technology to extend the wireless signal coverage and support the high performance communication. By intelligently adjusting the reflection coefficients of a large number of passive…

Information Theory · Computer Science 2021-03-01 Yitao Han , Shuowen Zhang , Lingjie Duan , Rui Zhang

Task offloading in Internet of Vehicles (IoV) involves numerous steps and optimization variables such as: where to offload tasks, how to allocate computation resources, how to adjust offloading ratio and transmit power for offloading, and…

Other Computer Science · Computer Science 2021-08-06 Wei Huang , Neal N. Xiong , Shahid Mumtaz

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…

Information Theory · Computer Science 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…

Information Theory · Computer Science 2020-12-22 Andrea Abrardo , Davide Dardari , Marco Di Renzo

Intelligent reflecting surfaces (IRSs) have received considerable attention from the wireless communications research community recently. In particular, as low-cost passive devices, IRSs enable the control of the wireless propagation…

Information Theory · Computer Science 2019-04-30 Xianghao Yu , Dongfang Xu , Robert Schober

This paper considers an intelligent reflecting sur-face (IRS)-aided simultaneous wireless information and power transfer (SWIPT) network, where multiple users decode data and harvest energy from the transmitted signal of a transmit-ter. The…

Information Theory · Computer Science 2021-03-24 Shayan Zargari , Ata Khalili , Qingqing Wu , Mohammad Robat Mili , Derrick Wing Kwan Ng

Intelligent reflecting surface (IRS) technology has become a crucial enabler for creating cost effective, innovative, and adaptable wireless communication environments. This study investigates an IRS-assisted orthogonal time frequency space…

Signal Processing · Electrical Eng. & Systems 2024-08-06 Sushmita Singh , Kuntal Deka , Sanjeev Sharma , Neelakandan Rajamohan

Energy efficiency (EE) is a challenging task in integrated sensing and communication (ISAC) systems, where high spectral efficiency and low energy consumption appear as conflicting requirements. Although passive reconfigurable intelligent…

Signal Processing · Electrical Eng. & Systems 2024-09-23 Junjie Ye , Mohamed Rihan , Peichang Zhang , Lei Huang , Stefano Buzzi , Zhen Chen

The explosive development of the Internet of Things (IoT) has led to increased interest in mobile edge computing (MEC), which provides computational resources at network edges to accommodate computation-intensive and latency-sensitive…

Networking and Internet Architecture · Computer Science 2025-06-05 Wenhan Xu , Jiadong Yu , Yuan Wu , Danny H. K. Tsang

Intelligent reflecting surface (IRS) is a promising technology that enables the precise control of the electromagnetic environment in future wireless communication networks. To leverage the IRS effectively, the acquisition of channel state…

Information Theory · Computer Science 2021-10-25 Jiancheng An , Chao Xu , Lu Gan , Chau Yuen , Lajos Hanzo

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…

Information Theory · Computer Science 2021-02-25 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen , Lajos Hanzo

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

Information Theory · Computer Science 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Intelligent reflecting surface (IRS) has recently been emerging as an enabler for smart radio environment in which passive antenna arrays can be used to actively tailor/control the radio propagation. With multiple IRSs being launched to…

Signal Processing · Electrical Eng. & Systems 2021-12-09 Tu V. Nguyen , Diep N. Nguyen

Intelligent reflecting surfaces (IRSs) with the ability to reconfigure inherent electromagnetic reflection and absorption characteristics in real-time provide unparalleled prospects to improve wireless connectivity in adverse circumstances.…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Mobasshir Mahbub , Raed M. Shubair

Intelligent Reflecting Surface (IRS) has been recently proposed as a promising solution to enhance the spectral and energy efficiency of future wireless networks by tuning a massive number of low-cost passive reflecting elements and thereby…

Information Theory · Computer Science 2020-02-27 Jiangbin Lyu , Rui Zhang

The Internet of Things (IoT) is going to be a few of the most influential and critical role spectators in the post-5G and 6G wireless networking paradigm because IoT is being deployed in a variety of applications and services such as smart…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Mobasshir Mahbub , Raed M. Shubair

Compute-and-forward is a promising strategy to tackle interference and obtain high rates between the transmitting users in a wireless network. However, the quality of the wireless channels between the users substantially limits the…

Information Theory · Computer Science 2021-06-25 Mahdi Jafari Siavoshani , Seyed Pooya Shariatpanahi , Naeimeh Omidvar