Results 31 to 40 of about 405,425 (327)
IET Communications, 2021 An intelligent‐reflecting‐surface aided multigroup multicast communication system is investigated in this paper. We develop energy‐efficient designs for both the precoding matrix at the base station and passive reflecting beamforming at intelligent ...
Junzhi Wang +2 more
doaj +1 more source
Intelligent Reflecting Surface Aided Multigroup Multicast MISO Communication Systems [PDF]
, 2020 Intelligent reflecting surface (IRS) has recently been envisioned to offer unprecedented massive multiple-input multiple-output (MIMO)-like gains by deploying large-scale and low-cost passive reflection elements. By adjusting the reflection coefficients,
Nallanathan, Arumugam +4 more
core +2 more sources
Channel Estimation for Intelligent Reflecting Surface Assisted Multiuser Communications: Framework, Algorithms, and Analysis [PDF]
IEEE Transactions on Wireless Communications, 2019 In intelligent reflecting surface (IRS) assisted communication systems, the acquisition of channel state information is a crucial impediment for achieving the beamforming gain of IRS because of the considerable overhead required for channel estimation ...
Zhaorui Wang, Liang Liu, Shuguang Cui
semanticscholar +1 more source
Secure Intelligent Reflecting Surface-Aided Integrated Sensing and Communication [PDF]
IEEE Transactions on Wireless Communications, 2022 In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical layer security of an integrated sensing and communication (ISAC) system in which the IRS is deployed to not only assist the downlink communication for multiple ...
Meng Hua +4 more
semanticscholar +1 more source
A Survey on Intelligent-Reflecting-Surface-Assisted UAV Communications
Energies, 2022 Both the unmanned aerial vehicle (UAV) and intelligent reflecting surface (IRS) are attracting growing attention as enabling technologies for future wireless networks.
Ki-Won Park, Hyeon Min Kim, Oh-Soon Shin
doaj +1 more source
Secure Wireless Communication via Intelligent Reflecting Surface [PDF]
IEEE Wireless Communications Letters, 2019 An intelligent reflecting surface (IRS) can adaptively adjust the phase shifts of its reflecting units to strengthen the desired signal and/or suppress the undesired signal. In this letter, we investigate an IRS-aided secure wireless communication system
Miao Cui, Guangchi Zhang, Rui Zhang
semanticscholar +1 more source
Inkjet printed intelligent reflecting surface for indoor applications
Electronics Letters, 2023 A passive, low‐cost, paper‐based intelligent reflecting surface (IRS) is designed to reflect a signal in a desired direction to overcome non‐line‐of‐sight scenarios in indoor environments.
Kairi Takimoto +9 more
doaj +1 more source
Spectral and Energy Efficiency of IRS-Assisted MISO Communication with Hardware Impairments [PDF]
, 2020 In this letter, we analyze the spectral and energy efficiency of an intelligent reflecting surface (IRS)-assisted multiple-input single-output (MISO) downlink system with hardware impairments.
Alouini, Mohamed-Slim +4 more
core +4 more sources
Intelligent Reflecting Surface-Assisted Dual-Function Radar-Communication System
IEEE Access, 2023 We consider the design of a Dual-Function Radar-Communication (DFRC) system, aided by an Intelligent Reflecting Surface (IRS). The radar precoding matrix and IRS parameters are optimized to maximize the weighted sum of the signal-to-noise ratio (SNR) at ...
Yi-Kai Li, Athina P. Petropulu
doaj +1 more source
Intelligent Reflecting Surface in 6G Vehicular Communications: A Survey
IEEE Open Journal of Vehicular Technology, 2022 The applications of Intelligent Transportation System (ITS) and autonomous driving in the 6G era heavily rely on the massive information exchange of ultra-wide bandwidth, high reliability, and low latency to guarantee the safety and experience.
Yishi Zhu, Bomin Mao, Nei Kato
doaj +1 more source