4 citations · 7 across the 20 of their papers we have counts for
22 papers
Reconfigurable Intelligent Surfaces for Cognitive Radio Networks: Design, Optimization, and Emerging Trends
Diluka Galappaththige, Chintha Tellambura, Ranga Kulathunga +1
Reconfigurable intelligent surfaces (RISs) enable programmable wireless propagation environments, offering new opportunities for cognitive radio networks (CRNs) to improve spectrum…
Cell-Free Integrated Sensing and Communication
Diluka Galappaththige, Chintha Tellambura
Cell-free (CF) integrated sensing and communication (ISAC) merges the CF architecture with ISAC functionalities. CF-ISAC leverages distributed access points, removes cell boundarie…
Set Transformer-Based Beamforming Design for Cell-Free Integrated Sensing and Communication
Ranga Kulathunga, Diluka Galappaththige, Gayan Aruma Baduge +1
Existing cell-free integrated sensing and communication (CF-ISAC) beamforming algorithms predominantly rely on classical optimization techniques, which often entail high computatio…
Backscatter-Assisted High-Speed Rail Communications in Straight Tunnel Environments: Effects of Tag Number and Phase Control
Yunping Mu, Gongpu Wang, Ruisi He +3
Backscatter communication is a promising technology to enhance the signal strength received by the receiver in straight tunnel environments. The impact of the number of tags and th…
Hybrid Beamfocusing Design for RSMA-Enabled Near-Field Wideband Communications
Jiasi Zhou, Chintha Tellambura
Future wireless networks will utilize extremely large-scale antenna arrays (ELAAs) over high-frequency bands, which, however, produce near-field spherical wavefronts and spatial wi…
Hybrid Beamfocusing Design for RSMA-Enhanced Near-Field Secure Communications
Jiasi Zhou, Huiyun Xia, Chuan Wu +1
Near-field spherical wavefronts enable spotlight-like beam focusing to mitigate unintended energy leakage, creating new opportunities for physical-layer security (PLS). However, un…