6 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: Principles, Advances, and Future Directions
Diluka Galappaththige, Mohammadali Mohammadi, Gayan Aruma Baduge +1
Cell-free (CF) integrated sensing and communication (ISAC) combines CF architecture with ISAC. CF employs distributed access points, eliminates cell boundaries, and enhances covera…
Gamma-Distributed Geometric Constellation for ISAC: Design and Analysis
Amirhossein Keshavarzchafjiri, Janith K. Dassanayake, Gayan A. Aruma Baduge +1
A novel Gamma-distributed geometric constellation design framework for integrated sensing and communication (ISAC) is proposed in this paper. In this framework, constellation point…
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…
Frequency Range 3 for ISAC in 6G: Potentials and Challenges
Gayan Aruma Baduge, Mojtaba Vaezi, Janith K. Dassanayake +3
Spanning 7-24 GHz, frequency range 3 (FR3), is a key enabler for next-generation wireless networks by bridging the coverage of sub-6 GHz and the capacity of millimeter-wave bands.…
A Tutorial on AI-Empowered Integrated Sensing and Communications
Mojtaba Vaezi, Gayan Aruma Baduge, Esa Ollila +1
Integrating sensing and communication (ISAC) can help overcome the challenges of limited spectrum and expensive hardware, leading to improved energy and cost efficiency. While full…