3 papers
cs.IT2025
A Comparison among Single Carrier, OFDM, and OTFS in mmWave Multi-Connectivity Downlink Transmissions
Fabian Göttsch, Shuangyang Li, Lorenzo Miretti +2
In this paper, we perform a comparative study of common wireless communication waveforms, namely the single carrier (SC), orthogonal frequency-division multiplexing (OFDM), and ort…
cs.IT2025
RIS-assisted Physical Layer Security
Xudong Li, Matthias Frey, Ehsan Tohidi +2
We propose a reconfigurable intelligent surface (RIS)-assisted wiretap channel, where the RIS is strategically deployed to provide a spatial separation to the transmitter, and orth…
cs.IT2024
On the Optimal Performance of Distributed Cell-Free Massive MIMO with LoS Propagation
Noor Ul Ain, Lorenzo Miretti, Sławomir Stańczak
In this study, we revisit the performance analysis of distributed beamforming architectures in dense user-centric cell-free massive multiple-input multiple-output (mMIMO) systems i…