Publications

Publications in 2025

Journal Articles

1. Diluka Galappaththige and Chintha Tellambura, “Low-Complexity Beamforming for NF Secure ISAC,” IEEE Wireless Communications Letters, 2025.
2. Diluka Galappaththige, Chintha Tellambura, and Sanjeewa Herath, “Wideband Cognitive Radio for Joint Communication and Sensing: Optimization of Subcarrier Allocation and Beamforming,” IEEE Transactions on Cognitive Communications and Networking, 2025.
3. Diluka Galappaththige, Mohammadali Mohammadi, Hien Quoc Ngo, Michail Matthaiou, and Chintha Tellambura, “Cell-Free Full-Duplex Communication – An Overview,” IEEE Transactions on Communications, 2025.
4. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Low-Complexity CRB Minimization for ISAC with A Generalized Target Response Matrix,” IEEE Wireless Communications Letters, 2025.
5. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Downlink Beamforming for Cell-Free ISAC: A Fast Complex Oblique Manifold Approach,” IEEE Transactions on Wireless Communications, 2025.
6. Diluka Galappaththige, Shayan Zargari, Chintha Tellambura, and Geoffrey Ye Li, “Low-Complexity Multi-Target Detection in ELAA ISAC,” IEEE Communications Letters, 2025.
7. Diluka Galappaththige, Shayan Zargari, and Chintha Tellambura, “Dual Function of Sensing and Backscatter Communication in Cellular Networks,” IEEE Internet of Things Magazine, 2025.
8. Diluka Galappaththige, Shayan Zargari, Chintha Tellambura, and Geoffrey Ye Li, “Optimization of Rate-Splitting Multiple Access with Integrated Sensing and Backscatter Communication,” IEEE Transactions on Vehicular Technology, 2025.
9. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Transmit Power-Efficient Beamforming Design for Integrated Sensing and Backscatter Communication,” IEEE Open Journal of the Communications Society, 2025.

Conference Proceedings

1. Diluka Galappaththige, Mohammadali Mohammadi, and Chintha Tellambura, “Concurrent, Scheduled, or Hybrid Transmission Protocol for ISAC,” IEEE International Conference on Communications (ICC), 2025.

Publications in 2024

Journal Articles

1. Shayan Zargari, Diluka Galappaththige, Chintha Tellambura, and Vincent Poor, “A Riemannian Manifold Approach to Constrained Resource Allocation in ISAC,” IEEE Transactions on Communications, 2024.
2. Azar Hakimi, Diluka Galappaththige, and Chintha Tellambura, “A Roadmap for NF ISAC in 6G: A Comprehensive Overview and Tutorial,” Entropy, 2024.
3. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Amine Maaref, “Cell-Free Bistatic Backscatter Communication: Channel Estimation, Optimization, and Performance Analysis,” IEEE Transactions on Communications, 2024.
4. Diluka Galappaththige, Shayan Zargari, Chintha Tellambura, and Geoffrey Ye Li, “Near-Field ISAC: Beamforming for Multi-Target Detection,” IEEE Wireless Communications Letters, 2024.
5. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Refined-Deep Reinforcement Learning for MIMO Bistatic Backscatter Resource Allocation,” Early Access Articles, 2024.
6. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Sanjeewa Herath, “Optimizing Passive Tag Performance with Reconfigurable Intelligent Surfaces in Bistatic Backscatter Networks,” IEEE Transactions on Vehicular Technology, 2024.
7. Diluka Galappaththige and Chintha Tellambura, “Sum Rate Maximization for RSMA-Assisted CF mMIMO Networks with SWIPT Users,” IEEE Wireless Communications Letters, 2024.

Conference Proceedings

1. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Joint Design of Beamforming and Reflection Coefficients in Integrated Sensing and Backscatter Communication Systems,” 18th Canadian Workshop on Information Theory (CWIT), 2024.
2. Diluka Galappaththige, Fatemeh Rezaei, and Chintha Tellambura, “Distributed RF-Emitter Power Allocation for BiBC,” IEEE International Conference on Communications (ICC), 2024.

Publications in 2023

Journal Articles

1. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Amine Maaref, “Information and Energy Beamforming Optimization for Symbiotic AmBC and SWIPT Networks,” IEEE Wireless Communications Letters, 2023.
2. Shayan Zargari, Diluka Galappaththige, and Chintha Tellambura, “Sensing and Backscatter Communication Integration: Realizing Efficiency in Wireless Systems for IoT,” Early Access Articles, 2023.
3. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Sanjeewa Herath, “NOMA-Assisted Symbiotic Backscatter: Novel Beamforming Designs Under Imperfect SIC,” IEEE Transactions on Vehicular Technology, 2023.
4. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Amine Maaref, “Time-Spread Pilot-Based Channel Estimation for Backscatter Networks,” IEEE Transactions on Communications, 2023.
5. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Amine Maaref, “Multi-Tag Localization in Cooperative AmBC,” IEEE Communications Letters, 2023.
6. Mohammadali Mohammadi, Zahra Mobini, Diluka Galappaththige, and Chintha Tellambura, “A Comprehensive Survey on Full-Duplex Communication: Current Solutions, Future Trends, and Open Issues,” IEEE Communications Surveys & Tutorials, 2023.
7. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Sanjeewa Herath, “Beamforming Designs for Enabling Symbiotic BackCom Multiple Access Under Imperfect CSI,” IEEE Access, 2023.
8. Diluka Galappaththige, Chintha Tellambura, and Amine Maaref, “Integrated Sensing and Backscatter Communication,” IEEE Wireless Communications Letters, 2023.
9. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Sanjeewa Herath, “Coding Techniques for Backscatter Communications – A Contemporary Survey,” IEEE Communications Surveys & Tutorials, 2023.

Conference Proceedings

1. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Amine Maaref, “Ambient IoT: Transmit Power Minimization for NOMA-Enabled BackCom,” IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2023.
2. Fatemeh Rezaei, Diluka Galappaththige, Chintha Tellambura, and Amine Maaref, “Beamforming Design for NOMA-Assisted Symbiotic Backscatter,” IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), 2023.

Publications in 2022

Journal Articles

1. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Sanjeewa Herath, “Link Budget Analysis for Backscatter-Based Passive IoT,” IEEE Access, 2022.
2. Diluka Galappaththige, Fatemeh Rezaei, Chintha Tellambura, and Sanjeewa Herath, “RIS-Empowered Ambient Backscatter Communication Systems,” IEEE Wireless Communications Letters, 2022.
3. Diluka Galappaththige and Gayan Amarasuriya, “Exploiting Distributed IRSs for Enabling SWIPT,” IEEE Wireless Communications Letters, 2022.

Conference Proceedings

1. Diluka Galappaththige, Dhanushka Kudathanthirige, Gayan Amarasuriya, and Chintha Tellambura, “Weighted Sum-Rate Maximization for Distributed RIS-Assisted Cell-Free Massive MIMO,” IEEE Conference on Standards for Communications and Networking (CSCN), 2022.

Publications in 2021

Journal Articles

1. Diluka Galappaththige, Dhanushka Kudathanthirige, and Gayan Amarasuriya, “Performance Analysis of Distributed Intelligent Reflective Surfaces for Wireless Communications,” Early Access Articles, 2021.
2. Diluka Galappaththige and Gayan Amarasuriya, “Exploiting Underlay Spectrum-Sharing in Cell-Free Massive MIMO Systems,” IEEE Transactions on Communications, 2021.
3. Diluka Galappaththige, Rajan Shrestha, and Gayan Amarasuriya, “Exploiting Cell-Free Massive MIMO for Enabling Simultaneous Wireless Information and Power Transfer,” IEEE Transactions on Green Communications and Networking, 2021.

Conference Proceedings

1. Diluka Galappaththige, Dhanushka Kudathanthirige, and Gayan Amarasuriya, “Performance Analysis of IRS-Assisted Cell-Free Communication,” IEEE Global Communications Conference (GLOBECOM), 2021.
2. Diluka Galappaththige, Alan Devkota, and Gayan Amarasuriya, “On the Performance of IRS-Assisted Relay Network,” IEEE Global Communications Conference (GLOBECOM), 2021.

Publications in 2020

Conference Proceedings

1. Diluka Galappaththige, Dhanushka Kudathanthirige, and Gayan Amarasuriya, “Performance Analysis of Distributed Intelligent Reflective Surface Aided Communications,” IEEE Global Communications Conference (GLOBECOM), 2020.
2. Diluka Galappaththige and Gayan Amarasuriya, “NOMA-Aided Cell-Free Massive MIMO with Underlay Spectrum-Sharing,” IEEE International Conference on Communications (ICC), 2020.

Publications in 2019

Conference Proceedings

1. Diluka Galappaththige and Gayan Amarasuriya, “Active Pilot Contamination Attack Detection in Sub-6 GHz Massive MIMO NOMA System,” IEEE Global Communications Conference (GLOBECOM), 2019.

Publications in 2018

Conference Proceedings

1. Diluka Galappaththige and Gayan Amarasuriya, “Cell-Free Massive MIMO with Underlay Spectrum-Sharing,” IEEE International Conference on Communications (ICC), 2018.

Publications in 2017

Conference Proceedings

1. Akram Shafie, Diluka Galappaththige, Promod Munaweera, Roshan Godaliyadda, and Parakrama Ekanayake, “Camera-Based Visible Light Communication System for Underwater Applications,” IEEE International Conference on Industrial and Information Systems (ICIIS), 2017.
2. Promod Munaweera, Akram Shafie, Diluka Galappaththige, Roshan Godaliyadda, and Parakrama Ekanayake, “Design and Analysis of an Underwater Visible Light MIMO Communication System with a Camera Receiver,” International Conference on Advances in ICT for Emerging Regions (ICTer), 2017.