132 citations · 178 across the 13 of their papers we have counts for
5 papers · 1 filter
Beam Squint and Aperture--Bandwidth Limitations in Wideband RIS-Assisted THz Links
Waqas Khalid, Chiew Foong Kwong, David Chieng +1
This paper analyzes the ergodic rate of a wideband reconfigurable intelligent surface (RIS)-assisted terahertz link under beam squint and finite-resolution phase control. Independe…
Deterministic versus Stochastic Optimization for Joint Path Planning and Dynamic Time Splitting in Multiple-UAV-Cached IoT Networks
Trinh Van Chien, Dinh Thanh Tung, Waqas Khalid +3
This paper examines wireless-powered Internet of Things (IoT) networks involving multiple unmanned aerial vehicles (UAVs) equipped with backscatter and caching technologies to rela…
Adversarial Attacks and Defenses in 6G Network-Assisted IoT Systems
Bui Duc Son, Nguyen Tien Hoa, Trinh Van Chien +4
The Internet of Things (IoT) and massive IoT systems are key to sixth-generation (6G) networks due to dense connectivity, ultra-reliability, low latency, and high throughput. Artif…
Impact of RIS on Outage Probability and Ergodic Rate in Wireless Powered Communication
Waqas Khalid, Manish Nair, Trinh Van Chien +1
Wireless powered communication (WPC) combines information and energy transmission for energy-constrained nodes. Reconfigurable intelligent surfaces (RISs) are capable of controllin…
RIS-Assisted Wireless Communications: Long-Term versus Short-Term Phase Shift Designs
Trinh Van Chien, Lam Thanh Tu, Waqas Khalid +3
Reconfigurable intelligent surface (RIS) has recently gained significant interest as an emerging technology for future wireless networks thanks to its potential for improving the c…