Results 31 to 40 of about 6,177 (257)
Paladyn, 2023 With proper tuning in the phase shift of reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs), which consist of huge number of passive reflecting elements, are the most promising and transforming technology to reconfigure ...
Singh Ashish K. +4 more
doaj +1 more source
Visible Light Communications via Intelligent Reflecting Surfaces: Metasurfaces vs Mirror Arrays
IEEE Open Journal of the Communications Society, 2021 We propose two types of intelligent reflecting systems based on programmable metasurfaces and mirrors to focus the incident optical power towards a visible light communication receiver.
Amr M. Abdelhady +4 more
doaj +1 more source
Intelligent Reflecting Surface-Aided Wireless Communications: A Tutorial [PDF]
IEEE Transactions on Communications, 2021 Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal prorogation in wireless networks. By smartly tuning the signal reflection via a large number of low-cost passive reflecting elements, IRS is capable of dynamically altering wireless channels to enhance the communication performance.
Qingqing Wu 0001 +4 more
openaire +3 more sources
Alternating Beamforming With Intelligent Reflecting Surface Element Allocation [PDF]
IEEE Wireless Communications Letters, 2021 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 multiple-input multiple-output systems when a base station supports multiple single antenna users aided with a ...
Hyesang Cho, Junil Choi
openaire +2 more sources
Intelligent Reflecting Surface-Aided Backscatter Communications [PDF]
GLOBECOM 2020 - 2020 IEEE Global Communications Conference, 2020 6 pages, 4 figures; to appear in Globecom ...
Xiaolun Jia +3 more
openaire +2 more sources
Improving the Capacity of NOMA Network Using Multiple Aerial Intelligent Reflecting Surfaces
IEEE Access, 2023 In this paper, we propose to utilize multiple aerial intelligent reflecting surfaces (AIRSs) for significantly enhancing the ergodic capacity of a non-orthogonal multiple access (NOMA) network. Unlike previous works where only one AIRS was often utilized
Le Si Phu +6 more
doaj +1 more source
Intelligent reflecting surface‐aided network planning
IET Communications, 2022 Abstract Intelligent reflecting surface (IRS) composed of a large number of low‐cost, phase‐adjustable passive reflecting elements, which is an attractive solution of overcoming the signal attenuation and interference. IRS can be used as a low‐power passive system with signal enhancement and interference suppression.
Fan-Hsun Tseng +3 more
openaire +2 more sources
Learning to Reflect and to Beamform for Intelligent Reflecting Surface With Implicit Channel Estimation [PDF]
IEEE Journal on Selected Areas in Communications, 2021 Intelligent reflecting surface (IRS), which consists of a large number of tunable reflective elements, is capable of enhancing the wireless propagation environment in a cellular network by intelligently reflecting the electromagnetic waves from the base-station (BS) toward the users.
Tao Jiang 0016 +2 more
openaire +2 more sources
Enabling Large Intelligent Surfaces With Compressive Sensing and Deep Learning
IEEE Access, 2021 Employing large intelligent surfaces (LISs) is a promising solution for improving the coverage and rate of future wireless systems. These surfaces comprise massive numbers of nearly-passive elements that interact with the incident signals, for example by
Abdelrahman Taha +2 more
doaj +1 more source
IEEE Open Journal of the Communications Society, 2022 Non-orthogonal multiple access (NOMA) technique and unmanned aerial vehicles (UAVs) have been recognized as promising technologies for enabling the stringent requirements of the different network infrastructures expected for the next generation of ...
Brena Kelly S. Lima +6 more
doaj +1 more source