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Recent advancements in wireless communication have underscored the importance of enhancing network capacity and coverage while minimizing energy consumption. Reconfigurable intelligent surface (RIS) is a promising technology that can significantly ...

In this paper, we investigate the physical-layer security performance for a reconfigurable intelligent surface (RIS) assisted free-space optical (FSO) communication-radio frequency (RF) system with non-orthogonal multiple access (NOMA). In ...

The efficacy of a reconfigurable intelligent surface (RIS)-aided network for enhanced connectivity in skip zones is demonstrated through real-time video streaming. The demonstration is carried out with the help of National Instruments universal software ...

Reconfigurable Intelligent Surface (RIS) is a promising technology for enhancing wireless networks in challenging environments. While existing RIS designs can manipulate basic electromagnetic properties like amplitude and phase, it lacks control over ...

In this paper, we consider the covert rate maximization problem for the cell edge user in a reconfigurable intelligent surface (RIS) aided downlink non-orthogonal multiple access (NOMA) network with coordinated multipoint (CoMP) transmission in ...

With increasing needs for high-bitrate, ultra-reliability, spectral efficiency, power efficiency, and reducing latency in the wireless network, global studies on the sixth generation of this network began in 2020. In this paper, we will look at ...

This paper introduces four proposals to enhance physical layer security (PLS) in low Earth orbit (LEO) satellite systems. The first proposal leverages the Alamouti code aided by artificial noise (AN) and involves the collaborative use of two LEO ...

This paper presents four proposals to enhance physical layer security (PLS) in LEO satellite systems. The first utilizes the Alamouti code with artificial noise (AN) for secure downlink transmission. The second employs a reconfigurable intelligent ...

In this paper, we optimize the instantaneous and average throughput when wireless communications uses Reconfigurable Intelligent Surfaces (RIS) and the source harvests power from sun using a Photo-Voltaic (PV) system. Instantaneous throughput ...

In this paper, we compute the throughput of wireless communications using Reconfigurable Intelligent Surfaces (RIS) when the source harvests energy using a solar panel. Harvesting duration is also optimized to enhance the performance of wireless ...

As wireless networks continue to advance, virtual reality (VR) transmission over wireless connections is progressively transitioning from concept to practical application. Although this technology can significantly enhance the VR user experience, ...

The paper aims to enhance wireless networks by improving cost and fairness with the assistance of reconfigurable intelligent surfaces (RISs) and game theory. Trusted RIS holders could purchase the copyrights of RIS technology from wireless service ...

A novel reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) system is presented in this paper. The system’s multi-user (MU) capability is based on coded NOMA (cNOMA). The proposed downlink transmission system ...

The average and instantaneous throughput are maximised in this paper for drone communications using RIS with wind energy harvesting. We set the packet duration to optimise the throughput. The results are valid for drone communications. Instantaneous ...

In this paper, we extend the coverage of code division multiple access (CDMA) using simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STARRIS). The signal is broadcasted from the source S to the relay R using a CDMA link. ...

In this article, the throughput of reconfigurable intelligent surfaces (RIS) is improved using adaptive modulation and coding (AMC). The best modulation and coding scheme (MCS) is selected at the transmitter using the instantaneous signal to noise ratio (...

In this paper, we derive the performance of reconfigurable intelligent surfaces (RIS) with adaptive transmit power (ATP) and energy harvesting from a water flow. The harvested power from a water flow depends on the power of three of water velocity that ...

Reconfigurable intelligent surfaces (RISs) are considered a key paradigm to improve the coverage of beyond-fifth-generation (B5G) networks as signal reflectors. Moreover, device-to-device (D2D) communications and non-orthogonal multiple-access (...

• Outage probability for RIS-Assisted NOMA-empowered system with D2D transmissions.
• CDF and PDF of the SINR of downlink users and D2D receivers.
• Achieved ergodic rate for the downlink users and D2D receivers.

Reconfigurable Intelligent Surface (RIS)-enhanced non-terrestrial base station (NTBS) is considered an advanced technology for enhancing the channel capacity of wireless communications. Inter-cluster and intra-cluster interference effects on NTBS-...

Reconfigurable Intelligent Surface (RIS) is composed of reconfigurable passive components, which can realize on-demand customization of wireless communication environment. Device-to-Device (D2D) communication is one of the essential technologies ...

The emergence of more and more computation-intensive applications has imposed higher requirements in spectrum and energy efficiency (EE) for internet of things (IoT) wireless networks. Massive multiple-input multiple-output (MIMO) is ...