Abstract: This study introduces an enhanced version of the PEGASIS algorithm, termed the improved energy efficient anytime optimistic (IEE AO) protocol, designed to improve energy efficiency in ...

Abstract: As a kind of wavefront with helical phase, orbital angular momentum (OAM) shows the great potential to enhance the security results of wireless communications due to its unique orthogonality ...

Abstract: In covert communications, the position of the warden has a variety of situations, which leads to different scenes that require different covert communication schemes to ensure the security.

Abstract: This work investigates secure transmission in non-orthogonal multiple access (NOMA)-integrated sensing and communication (ISAC) systems, where legitimate users may act as internal ...

Abstract: This paper investigates robust secure beamforming design for active reconfigurable intelligent surface (RIS)-aided cognitive radio non-orthogonal multiple access (CR-NOMA) networks, which ...

Abstract: Reconfigurable intelligent surface (RIS) technology has gained widespread recognition for its ability to significantly enhance communication performance between base stations (BS) and users ...

Abstract: Stacked intelligent metasurfaces (SIM) is considered a revolutionary technology that enables powerful signal processing directly in the electromagnetic (EM) wave domain and has significant ...

Abstract: Stacked Intelligent Metasurface (SIM)-aided Rate Splitting Multiple Access (RSMA) systems have attracted significant interest. However, severe blockage between the base station (BS) and ...

In late September 2023, staff at Gaza Sky Geeks were preparing for an October full of milestones. The pioneering tech hub, headquartered in Gaza City, was planning a traveling hackathon that would ...