20 citations · 46 across the 17 of their papers we have counts for
10 papers · 1 filter
Aggressive Non-Orthogonal Transmission with DFT-s-OFDM for Direct Device-to-Satellite Communications
Chathura Jayawardena, Konstantinos Nikitopoulos
Direct Device-to-Satellite (D2S) communications promise global connectivity to unmodified user equipment (UE), extending coverage beyond terrestrial networks. Realizing this promis…
Low-Complexity, Space Splitting-based User Selection in MU-MIMO for Massive Connectivity and AI-Native Traffic
João Paulo S. H. Lima, Marcin L. Filo, Chathura Jayawardena +1
The rise of Artificial Intelligence (AI)-driven services, machine-type communications, and massive Internet of Things (IoT) deployments is reshaping wireless traffic toward dense,…
NL-COMM-Sat: Breaking the Direct Device-to-Satellite Communication Barrier via "Aggressive" Non-Orthogonal Transmissions and Non-Linear Processing
Konstantinos Nikitopoulos, Chathura Jayawardena
Direct Device-to-Satellite (D2S) communications, which enable direct satellite connectivity with unmodified user equipment (UE), not only expand global coverage but also reshape th…
ViPer NL-COMM: Making Vector Perturbation Precoding Practical
Thomas James Thomas, George N. Katsaros, Chathura Jayawardena +1
Large MIMO systems rely on efficient downlink precoding to enhance data rates and improve connectivity through spatial multiplexing. However, currently employed linear precoding te…
Toward Fully Neuromorphic Receivers for Ultra-Power Efficient Communications
George N. Katsaros, Konstantinos Nikitopoulos
Neuromorphic computing, inspired by biological neural systems, has emerged as a promising approach for ultra-energy-efficient data processing by leveraging analog neuron structures…
NL-COMM: Enhanced Video Streaming via Advanced Non-Linear Processing
Marcin Filo, George N. Katsaros, Chathura Jayawardena +1
With video streaming now accounting for the majority of internet traffic, wireless networks face increasing demands, especially in densely populated areas where limited spectral re…
NL-COMM: Demonstrating Gains of Non-Linear Processing in Open-RAN Ecosystem
Chathura Jayawardena, Marcin Filo, George N. Katsaros +1
Multi-user multiple-input, multiple-output (MU-MIMO) designs can substantially increase wireless systems' achievable throughput and connectivity capabilities. However, existing MU-…
Ultra-Low-Complexity, Non-Linear Processing for MU-MIMO Systems
Chathura Jayawardena, Konstantinos Nikitopoulos
Non-linear detection schemes can substantially improve the achievable throughput and connectivity capabilities of uplink MU-MIMO systems that employ linear detection. However, the…
Enabling Ultra-Dense, Open-RAN, Vehicular Networks with Non-Linear MIMO Processing
George N. Katsaros, Konstantinos Nikitopoulos
Future autonomous transportation systems necessitate network infrastructure capable of accommodating massive vehicular connectivity, despite the scarce availability of frequency re…
Towards Neuromorphic Processing for Next-Generation MU-MIMO Detection
G. N. Katsaros, J. C. De Luna Ducoing, Konstantinos Nikitopoulos
Upcoming physical layer (PHY) processing solutions, leveraging multiple-input multiple-output (MIMO) advances, are expected to support broad transmission bandwidths and the concurr…