6 papers · 1 filter
Performance Analysis of Flexible Duplex Inter-Satellite Links in LEO Networks
Yomali Lokugama, Charith Dissanayake, Saman Atapattu +1
This paper investigates energy-efficient inter-satellite communication in Low Earth Orbit (LEO) networks, where satellites exchange both buffered and newly generated data through h…
Standard Condition Number-Based Detection for MIMO ISAC Systems under Noise Uncertainty
Alex Obando, Tharindu Udupitiya, Saman Atapattu +1
This paper presents a unified analytical and optimization framework for Standard Condition Number (SCN)-based detection in MIMO Integrated Sensing and Communication (ISAC) systems…
Performance Analysis for Multi-User Holographic MIMO Downlink with Matched Filter Precoding
Gayathri Shekar, Saman Atapattu, Prathapasinghe Dharmawansa +1
Holographic MIMO (HMIMO) has emerged as a promising solution for future wireless systems by enabling ultra-dense, spatially continuous antenna deployments. While prior studies have…
Eigenvalue-Based Detection in MIMO Systems for Integrated Sensing and Communication
Alex Obando, Saman Atapattu, Prathapasinghe Dharmawansa +2
This paper considers a MIMO Integrated Sensing and Communication (ISAC) system, where a base station simultaneously serves a MIMO communication user and a remote MIMO sensing recei…
Uniform Planar Array Based Weighted Cooperative Spectrum Sensing for Cognitive Radio Networks
Charith Dissanayake, Saman Atapattu, Prathapasinghe Dharmawansa +3
Cooperative spectrum sensing (CSS) is essential for improving the spectrum efficiency and reliability of cognitive radio applications. Next-generation wireless communication networ…
A Sample-Deficient Analysis of the Leading Generalized Eigenvalue for the Detection of Signals in Colored Gaussian Noise
Prathapasinghe Dharmawansa, Saman Atapattu, Jamie Evans +1
This paper investigates the signal detection problem in colored Gaussian noise with an unknown covariance matrix. To be specific, we consider a sample deficient scenario in which t…