Articles with "intelligent surfaces" as a keyword



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Machine Learning Approaches for Reconfigurable Intelligent Surfaces: A Survey

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3157651

Abstract: Next-generation wireless networks must handle a growing density of mobile users while accommodating a rapid increase in mobile data traffic flow and a wide variety of services and applications. High-frequency waves will perform an essential… read more here.

Keywords: approaches reconfigurable; machine learning; intelligent surfaces; learning approaches ... See more keywords
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Simulation and Field Trial Results of Reconfigurable Intelligent Surfaces in 5G Networks

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3223447

Abstract: Recently, reconfigurable intelligent surfaces (RISs) are considered as a strong candidate for next generation wireless technologies, thanks to its advantage of being able to configure the wireless propagation environment in a cost-effective and energy-efficient way.… read more here.

Keywords: trial results; simulation field; reconfigurable intelligent; field ... See more keywords
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Angular and Polarization Stability of Broadband Reconfigurable Intelligent Surfaces of Binary Type

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3226264

Abstract: Recently, reconfigurable intelligent surfaces (RISs) gained notable consideration due to their ability to provide efficient and cost-effective wireless communication networks. However, this powerful concept often suffers from simplistic modeling which underestimates such features of RIS… read more here.

Keywords: stability broadband; angular polarization; reconfigurable intelligent; polarization stability ... See more keywords
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Reconfigurable Intelligent Surfaces for 6G IoT Wireless Positioning: A Contemporary Survey

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Published in 2022 at "IEEE Internet of Things Journal"

DOI: 10.1109/jiot.2022.3203890

Abstract: The sixth-generation (6G) wireless communication system is expected to integrate communication, intelligence, sensing, positioning, control, and calculation to adapt to time critical, ultrareliable, and energy-saving data delivery, as well as accurate positioning of personnel and… read more here.

Keywords: ris positioning; reconfigurable intelligent; wireless positioning; intelligent surfaces ... See more keywords
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Backscatter Communication Assisted by Reconfigurable Intelligent Surfaces

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Published in 2022 at "Proceedings of the IEEE"

DOI: 10.1109/jproc.2022.3169622

Abstract: In a backscatter communication system, the backscatter device (BD) transmits its messages to the backscatter receiver (BR) by reflecting the incident signal from an external radio frequency (RF) emitter, instead of using power-hungry active RF… read more here.

Keywords: backscatter communication; communication; reconfigurable intelligent; intelligent surfaces ... See more keywords
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Toward Ubiquitous Sensing and Localization With Reconfigurable Intelligent Surfaces

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Published in 2022 at "Proceedings of the IEEE"

DOI: 10.1109/jproc.2022.3169771

Abstract: In future cellular systems, wireless localization and sensing functions will be built-in for specific applications, e.g., navigation, transportation, and healthcare, and to support flexible and seamless connectivity. Driven by this trend, the need for fine-resolution… read more here.

Keywords: toward ubiquitous; localization; ubiquitous sensing; reconfigurable intelligent ... See more keywords
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Reconfigurable Intelligent Surfaces: Channel Characterization and Modeling

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Published in 2022 at "Proceedings of the IEEE"

DOI: 10.1109/jproc.2022.3186087

Abstract: Reconfigurable intelligent surfaces (RISs) are 2-D metasurfaces, which can intelligently manipulate electromagnetic waves by low-cost near passive reflecting elements. RIS is viewed as a potential key technology for the sixth-generation (6G) wireless communication systems mainly… read more here.

Keywords: characterization modeling; reconfigurable intelligent; channel characterization; intelligent surfaces ... See more keywords
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Wavefront Shaping for Wireless Communications in Complex Media: From Time Reversal to Reconfigurable Intelligent Surfaces

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Published in 2022 at "Proceedings of the IEEE"

DOI: 10.1109/jproc.2022.3187339

Abstract: Reconfigurable intelligent surfaces (RISs) are gaining huge momentum in the field of wireless communications due to the paradigm shift that they bring. Indeed, they allow making any environment electromagnetically smart and dynamically reconfigurable for more… read more here.

Keywords: wireless; complex media; reconfigurable intelligent; wireless communications ... See more keywords
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Exploiting Randomly Located Blockages for Large-Scale Deployment of Intelligent Surfaces

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Published in 2021 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2020.3018808

Abstract: One of the promising technologies for the next generation wireless networks is the reconfigurable intelligent surfaces (RISs). This technology provides planar surfaces the capability to manipulate the reflected waves of impinging signals, which leads to… read more here.

Keywords: exploiting randomly; large scale; randomly located; scale deployment ... See more keywords
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Massive Access of Static and Mobile Users via Reconfigurable Intelligent Surfaces: Protocol Design and Performance Analysis

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Published in 2022 at "IEEE Journal on Selected Areas in Communications"

DOI: 10.1109/jsac.2022.3145908

Abstract: The envisioned wireless networks of the future entail the provisioning of massive numbers of connections, heterogeneous data traffic, ultra-high spectral efficiency, and low latency services. This vision is spurring research activities focused on defining a… read more here.

Keywords: performance analysis; intelligent surfaces; access; reconfigurable intelligent ... See more keywords
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Joint User Association and Passive Beamforming in Heterogeneous Networks With Reconfigurable Intelligent Surfaces

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Published in 2021 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3093362

Abstract: In this letter, the joint design of user association (UA) and passive beamforming (PBF) has been investigated for heterogeneous networks equipped with reconfigurable intelligent surfaces. Firstly, a closed-form lower bound of ergodic rate is derived… read more here.

Keywords: user association; heterogeneous networks; reconfigurable intelligent; passive beamforming ... See more keywords