Joint Hybrid and Passive RIS-Assisted Beamforming for mmWave MIMO Systems Relying on Dynamically Configured Subarrays
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3142932
Abstract: Reconfigurable intelligent surface (RIS)-assisted millimeter-wave (mmWave) communication systems relying on hybrid beamforming structures are capable of achieving high spectral efficiency at a low hardware complexity and low power consumption. In this article, we propose an… read more here.
Keywords: joint hybrid; relying dynamically; ris assisted; dynamically configured ... See more keywords
Energy-Efficient Multiuser Localization in the RIS-Assisted IoT Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3176633
Abstract: In various location-based Internet of Things (IoT) services, it is required to localize a large number of energy-limited devices simultaneously and accurately. In order to achieve this goal, a reconfigurable intelligent surface (RIS)-assisted positioning method… read more here.
Keywords: localization; ris assisted; ris; efficient multiuser ... See more keywords
RIS-Assisted Ambient Backscatter Communication for SAGIN IoT
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3224587
Abstract: The space–air–ground-integrated network (SAGIN) will greatly promote the development of the Internet of Things (IoT). Green IoT will be an important part of SAGIN. Ambient backscatter communication (AmBC) is a potential solution for green SAGIN… read more here.
Keywords: sagin; backscatter; ris assisted; ambc ... See more keywords
AI Empowered RIS-Assisted NOMA Networks: Deep Learning or Reinforcement Learning?
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2021.3126068
Abstract: A reconfigurable intelligent surface (RIS)-assisted multi-user downlink communication system over fading channels is investigated, where both non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) schemes are employed. In particular, the time overhead for configuring… read more here.
Keywords: reinforcement learning; networks deep; ris assisted; deep learning ... See more keywords
RIS-Assisted Communication Radar Coexistence: Joint Beamforming Design and Analysis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2022.3155507
Abstract: Integrated sensing and communication (ISAC) has been regarded as one of the most promising technologies for future wireless communications. However, the mutual interference in the communication radar coexistence system cannot be ignored. Inspired by the… read more here.
Keywords: communication; communication radar; ris assisted; radar ... See more keywords
RIS-Assisted Full-Duplex Relay Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Systems Journal"
DOI: 10.1109/jsyst.2022.3189850
Abstract: Reconfigurable intelligent surfaces (RISs) have recently been presented as a revolutionary technique and recognized as one of the candidates for beyond fifth-generation wireless networks. The RIS technology becomes especially attractive due to its capability to… read more here.
Keywords: full duplex; assisted full; ris assisted; relay ... See more keywords
Reconfigurable Intelligent Surface (RIS) Assisted Wireless Coverage Extension: RIS Orientation and Location Optimization
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2020.3025345
Abstract: Recently, reconfigurable intelligent surfaces (RIS) have attracted a lot of attention due to their capability of extending cell coverage by reflecting signals toward the receiver. In this letter, we analyze the coverage of a downlink… read more here.
Keywords: reconfigurable intelligent; ris assisted; ris; coverage ... See more keywords
Copula-Based Modeling of RIS-Assisted Communications: Outage Probability Analysis
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3145364
Abstract: Statistical characterization of the signal-to-noise ratio (SNR) of reconfigurable intelligent surface (RIS)-assisted communications in the presence of phase noise is an important open issue. In this letter, we exploit the concept of copula modeling to… read more here.
Keywords: copula; outage probability; ris assisted; assisted communications ... See more keywords
Novel Multiple RIS-Assisted Communications for 6G Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3163587
Abstract: As an emerging technique, reconfigurable intelligent surface (RIS) has recently received extensive attention and can be considered as a key enabling technology for future sixth generation (6G) wireless communication networks. In this letter, we propose… read more here.
Keywords: multiple ris; novel multiple; tex math; inline formula ... See more keywords
Reconfigurable Intelligent Surfaces Assisted Hybrid NOMA System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3211292
Abstract: In a device-to-device communication scenario, the number of far users (FUs) is higher than the near users (NUs) in each cluster. In such a scenario, the paired NUs and FUs communicate through non-orthogonal multiple access… read more here.
Keywords: system; hybrid noma; ris assisted; reconfigurable intelligent ... See more keywords
RIS-Assisted FD Short Packet Communication With Non-Linear EH
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3223286
Abstract: A multi-user full-duplex (FD) communication system is considered where each user is assisted by a dedicated reconfigurable intelligent surface (RIS). Through random scheduling scheme, one of the users is granted the resources to transmit and… read more here.
Keywords: communication; non linear; ris assisted; short packet ... See more keywords