[HTML][HTML] Near-Space Communications: The Last Piece of 6G Space–Air–Ground–Sea Integrated Network Puzzle

H Liu, T Qin, Z Gao, T Mao, K Ying, Z Wan… - Space: Science & …, 2024 - spj.science.org
This article presents a comprehensive study on the emerging near-space communications
(NS-COM) within the context of space–air–ground–sea integrated network (SAGSIN) …

Reconfigurable Intelligent Surface Empowered Full Duplex Systems: Opportunities and Challenges

C Huang, Y Wen, L Zhang, G Chen, Z Gao… - arXiv preprint arXiv …, 2024 - arxiv.org
Reconfigurable intelligent surfaces (RISs) have emerged as a promising technology in
wireless communications. Simultaneously transmitting and reflecting RIS (STAR-RISs) in …

Weighted Sum Secrecy Rate Optimization for Cooperative Double‐IRS‐Assisted Multiuser Network

S Yang, K Huang, H Niu, Y Wang, Z Chu… - IET Signal …, 2024 - Wiley Online Library
In this paper, we present a double‐intelligent reflecting surfaces (IRS)‐assisted multiuser
secure system where the inter‐IRS channel is considered. In particular, we maximize the …

Secure Transmission in STAR-RIS-Assisted Cell-Free Networks: Maximizing Weighted Sum Secrecy Rate

Y Wang, J Fan, J Luo, S Yu… - IEEE Communications …, 2024 - ieeexplore.ieee.org
This letter focuses on the secure transmission problem in simultaneous transmitting and
reflecting reconfigurable intelligent surface (STAR-RIS) assisted cell-free networks. Previous …

Highly Efficient Hybrid Reconfigurable Intelligent Surface Approach for Power Loss Reduction and Coverage Area Enhancement in 6G Networks

AK Ahmed, HS Al-Raweshidy - 2024 - bura.brunel.ac.uk
This paper introduces a novel efficient hybrid reconfigurable intelligent surface (RIS)
approach designed to significantly reduce power loss and enhance coverage area in 6G …