Search Results for author: Saman Atapattu

Found 11 papers, 1 papers with code

Interference Mitigation in LEO Constellations with Limited Radio Environment Information

no code implementations19 Feb 2024 Fernando Moya Caceres, Akram Al-Hourani, Saman Atapattu, Michael Aygur, Sithamparanathan Kandeepan, Jing Fu, Ke Wang, Wayne S. T. Rowe, Mark Bowyer, Zarko Krusevac, Edward Arbon

This research paper delves into interference mitigation within Low Earth Orbit (LEO) satellite constellations, particularly when operating under constraints of limited radio environment information.

Dynamic Cooperative MAC Optimization in RSU-Enhanced VANETs: A Distributed Approach

no code implementations14 Feb 2024 Zhou Zhang, Saman Atapattu, Yizhu Wang, Sumei Sun, Kandeepan Sithamparanathan

We propose the RSU Probing and Cooperative Access (RPCA) strategy, a two-stage approach based on dynamic inter-vehicle distances from the RSU.

Collision Avoidance

Graph Neural Networks for Physical-Layer Security in Multi-User Flexible-Duplex Networks

no code implementations8 Feb 2024 Tharaka Perera, Saman Atapattu, Yuting Fang, Jamie Evans

This paper explores Physical-Layer Security (PLS) in Flexible Duplex (FlexD) networks, considering scenarios involving eavesdroppers.

Detection of Signals in Colored Noise: Leading Eigenvalue Test for Non-central $F$-matrices

no code implementations30 Jan 2024 Prathapasinghe Dharmawansa, Saman Atapattu, Jamie Evans, Kandeepan Sithamparanathan

In particular, we focus on detecting an unknown non-random signal by capitalizing on the leading eigenvalue of the whitened sample covariance matrix as the test statistic (a. k. a.

A Sample-Deficient Analysis of the Leading Generalized Eigenvalue for the Detection of Signals in Colored Gaussian Noise

no code implementations20 Jun 2023 Prathapasinghe Dharmawansa, Saman Atapattu, Jamie Evans, Kandeepan Sithamparanathan

$F$-matrix) which is constructed by whitening the signal bearing sample covariance matrix with noise-only sample covariance matrix.

Flex-Net: A Graph Neural Network Approach to Resource Management in Flexible Duplex Networks

1 code implementation20 Jan 2023 Tharaka Perera, Saman Atapattu, Yuting Fang, Prathapasinghe Dharmawansa, Jamie Evans

Flexible duplex networks allow users to dynamically employ uplink and downlink channels without static time scheduling, thereby utilizing the network resources efficiently.

Combinatorial Optimization Management +1

Joint Task Offloading and Resource Allocation for IoT Edge Computing with Sequential Task Dependency

no code implementations23 Oct 2021 Xuming An, Rongfei Fan, Han Hu, Ning Zhang, Saman Atapattu, Theodoros A. Tsiftsis

To solve this challenging problem, we decompose it as a one-dimensional search of task offloading decision problem and a non-convex optimization problem with task offloading decision given.

Edge-computing

Optimum Reconfigurable Intelligent Surface Selection for Wireless Networks

no code implementations22 Dec 2020 Yuting Fang, Saman Atapattu, Hazer Inaltekin, Jamie Evans

The reconfigurable intelligent surface (RIS) is a promising technology that is anticipated to enable high spectrum and energy efficiencies in future wireless communication networks.

Information Theory Information Theory

Joint Task Offloading and Resource Allocation for IoT Edge Computing with Sequential Task Dependency

no code implementations25 Nov 2020 Xuming An, Rongfei Fan, Han Hu, Ning Zhang, Saman Atapattu, Theodoros A. Tsiftsis

To solve this challenging problem, we decompose it as a one-dimensional search of task offloading decision problem and a non-convex optimization problem with task offloading decision given.

Edge-computing Information Theory Information Theory

Optimum Location-Based Relay Selection in Wireless Networks

no code implementations23 Apr 2020 Hazer Inaltekin, Saman Atapattu, Jamie S. Evans

A threshold-based distributed selective feedback policy is proposed for the discovery of the optimum relay location with finite average feedback load.

Point Processes

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