A survey of UAV-based data collection: Challenges, solutions and future perspectives
Abstract Internet of Things (IoT) generates unlimited data, which should be collected and
forwarded towards a central controller (CC) for further processing and decision-making …
forwarded towards a central controller (CC) for further processing and decision-making …
Intelligent surfaces empowered wireless network: Recent advances and the road to 6G
Intelligent surfaces (ISs) have emerged as a key technology to empower a wide range of
appealing applications for wireless networks, due to their low cost, high energy efficiency …
appealing applications for wireless networks, due to their low cost, high energy efficiency …
RIS-assisted physical layer security in emerging RF and optical wireless communication systems: A comprehensive survey
Security and latency are crucial aspects in the design of future wireless networks. Physical
layer security (PLS) has received a growing interest from the research community in recent …
layer security (PLS) has received a growing interest from the research community in recent …
Hybrid FSO/RF networks: A review of practical constraints, applications and challenges
Radio frequency (RF) spectrum is highly occupied and adding further broadband channels
to fulfill the exiting user requirements has become difficult. Optical free-space …
to fulfill the exiting user requirements has become difficult. Optical free-space …
RIS-aided cell-free massive MIMO systems for 6G: Fundamentals, system design, and applications
An introduction of intelligent interconnectivity for people and things has posed higher
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
demands and more challenges for sixth-generation (6G) networks, such as high spectral …
Secrecy performance for RIS-based integrated satellite vehicle networks with a UAV relay and MRC eavesdrop**
This work investigates the secrecy issues for the secrecy reconfigurable intelligent surface-
based integrated satellite unmanned aerial vehicle (UAV) relay networks with multiple …
based integrated satellite unmanned aerial vehicle (UAV) relay networks with multiple …
Secure communication with UAV-enabled aerial RIS: Learning trajectory with reflection optimization
Reconfigurable intelligent surfaces (RISs) have manifested huge potential in enhancing
information security by actively intervening the wireless propagation, yet the security gain …
information security by actively intervening the wireless propagation, yet the security gain …
Cooperative multi-satellite and multi-RIS beamforming: Enhancing LEO SatCom and mitigating LEO-GEO intersystem interference
Satellite communication (SatCom) is regarded as a key enabler for bridging connectivity and
capacity gaps in sixth-generation (6G) networks. However, the proliferation of Low Earth …
capacity gaps in sixth-generation (6G) networks. However, the proliferation of Low Earth …
Free space optical communication: An enabling backhaul technology for 6G non-terrestrial networks
The deployment of non-terrestrial networks (NTNs) is envisioned to achieve global coverage
for 6G and beyond. In addition to space nodes, aerial NTN nodes such as high-altitude …
for 6G and beyond. In addition to space nodes, aerial NTN nodes such as high-altitude …
Active RIS-aided NOMA-enabled space-air-ground integrated networks with cognitive radio
In this work, we investigate an active reconfigurable intelligent surface (RIS)-aided non-
orthogonal multiple access (NOMA)-enabled space-air-ground integrated network (SAGIN) …
orthogonal multiple access (NOMA)-enabled space-air-ground integrated network (SAGIN) …