Results 21 to 30 of about 280,223 (314)
Advanced Intelligent Systems, 2022 Modular robots hold promise of adaptability, robustness, and versatility. Synchronization of modules is critical; if a module is asynchronous, not only will the robot fail to perform tasks properly, but its behavior may be self‐destructive through self ...
Kevin Holdcroft +4 more
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Reconfigurable Intelligent Surfaces: A signal processing perspective with wireless applications [PDF]
IEEE Signal Processing Magazine, 2021 Antenna array technology enables the directional transmission and reception of wireless signals for communication, localization, and sensing purposes. The signal processing algorithms that underpin it began to be developed several decades ago [1], but it
Emil Björnson +5 more
semanticscholar +1 more source
IEEE Communications Magazine, 2021 Reconfigurable intelligent surfaces (RISs) or intelligent reflecting surfaces (IRSs) are regarded as one of the most promising and revolutionizing techniques for enhancing the spectrum and/ or energy efficiency of wireless systems.
Cunhua Pan +11 more
semanticscholar +1 more source
Weighted Sum-Rate Maximization for Reconfigurable Intelligent Surface Aided Wireless Networks [PDF]
IEEE Transactions on Wireless Communications, 2019 Reconfigurable intelligent surfaces (RIS) is a promising solution to build a programmable wireless environment via steering the incident signal in fully customizable ways with reconfigurable passive elements.
Huayan Guo +3 more
semanticscholar +1 more source
STAR-RISs: Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surfaces
IEEE Communications Letters, 2021 In this letter, simultaneous transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) are studied. Compared with the conventional reflecting-only RISs, the coverage of STAR-RISs is extended to 360 degrees via simultaneous transmission ...
Jiaqi Xu +3 more
semanticscholar +1 more source
Large-scale neuromorphic optoelectronic computing with a reconfigurable diffractive processing unit [PDF]
Nature Photonics, 2020 There is an ever-growing demand for artificial intelligence. Optical processors, which compute with photons instead of electrons, can fundamentally accelerate the development of artificial intelligence by offering substantially improved computing ...
Tiankuang Zhou +9 more
semanticscholar +1 more source
IEEE Journal on Selected Areas in Communications, 2020 Reconfigurable intelligent surfaces (RISs) are an emerging transmission technology for application to wireless communications. RISs can be realized in different ways, which include (i) large arrays of inexpensive antennas that are usually spaced half of ...
M. Di Renzo +6 more
semanticscholar +1 more source
Reconfigurable Multifunctional van der Waals Ferroelectric Devices and Logic Circuits. [PDF]
ACS Nano, 2023 Emerging reconfigurable devices are fast gaining popularity in the search for next-generation computing hardware, while ferroelectric engineering of the doping state in semiconductor materials has the potential to offer alternatives to traditional von ...
Ankita Ram +12 more
semanticscholar +1 more source
Design and analysis of a reconfigurable discrete pin tooling system for molding of three-dimensional free-form objects [PDF]
, 2010 This paper presents the design and analysis of a new reconfigurable tooling for the fabrication of three-dimensional (3D) free-form objects. The proposed reconfigurable tooling system comprises a set of matrices of a closely stacked discrete elements (i ...
Koc, Bahattin +2 more
core +2 more sources
Electrically reconfigurable non-volatile metasurface using low-loss optical phase-change material [PDF]
Nature Nanotechnology, 2020 Active metasurfaces promise reconfigurable optics with drastically improved compactness, ruggedness, manufacturability and functionality compared to their traditional bulk counterparts.
Yifei Zhang +16 more
semanticscholar +1 more source