Performance evaluation of RIS-based SSK and SM schemes with perfect and imperfect channel phase estimation over Weibull fading channels
Sign Up to like & getrecommendations! Published in 2021 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2021.153713
Abstract: Abstract In this paper, we present the re-configurable intelligent surfaces (RIS) based space shift keying (SSK) and spatial modulation (SM) schemes with both perfect and imperfect channel phase knowledge over Weibull fading environments. At the… read more here.
Keywords: weibull fading; phase; schemes perfect; ris based ... See more keywords
RIS-Based Wireless Sensor Networks: Passive Beamforming and Decision Gathering
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2023.3265703
Abstract: By embedding each sensor into a reconfigurable intelligent surface (RIS) controller, in this letter we propose an efficient RIS-based wireless sensor network (WSN) for simultaneous passive beamforming and decision gathering. In RIS-WSN, the reflection amplitudes… read more here.
Keywords: wireless sensor; ris based; decision gathering; decision ... See more keywords
Robust RIS-Based DOA Estimation With Mixed Constraints
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2024.3449750
Abstract: This letter presents a Direction-of-arrival (DOA) estimation algorithm in passive sensing systems with Reconfigurable Intelligent Surface (RIS). In order to improve the estimation accuracy in non-Gaussian noise and access point (AP) interference environments, a joint… read more here.
Keywords: based doa; robust ris; ris based; estimation ... See more keywords
RIS-BASED Over-the-air Diffractional Channel Coding
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Wireless Communications"
DOI: 10.1109/mwc.005.2400116
Abstract: Reconfigurable intelligent surfaces (RIS) are programmable metasurfaces utilizing sub-wavelength meta-atoms and a controller for precise electro-magnetic wave manipulation. This work introduces an innovative channel coding scheme, termed RIS-based diffractional channel coding (DCC), which capitalizes on… read more here.
Keywords: channel coding; based air; diffractional channel; ris based ... See more keywords
Optimal SWIPT Transmission in RIS-Based Air–Ground Wireless Communication
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2024.3373728
Abstract: With the rapidly increasing demands for wireless communication, unmanned aerial vehicles (UAVs) have been developed. However, the line-of-sight (LoS) links are susceptible to severe deterioration due to complex distribution environments. To confront this challenge, reconfigurable… read more here.
Keywords: optimal swipt; ris based; communication; wireless communication ... See more keywords
Power Minimization under Quality of Service Constraints for MIMO Systems with a RIS-based Transmitter
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2025.3621247
Abstract: This study investigates a virtual multiuser multiple-input multiple-output (MU-MIMO) system with PSK modulation, realized with a reconfigurable intelligent surface (RIS)-based transmitter. The study focuses on minimizing transmit power under quality-of-service (QoS) constraints while addressing the… read more here.
Keywords: power minimization; based transmitter; ris based; power ... See more keywords
Over-the-Air Diagnosis of 1-Bit RIS Based on Amplitude-Only Measurement
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2024.3524597
Abstract: Reconfigurable intelligent surfaces (RISs) have demonstrated their potential to manipulate properties of radio waves for many applications. Over-the-air (OTA) diagnosis of RISs is essential to ensure their proper radiation characteristics. In this work, we propose… read more here.
Keywords: diagnosis; air diagnosis; ris based; based amplitude ... See more keywords