activity
20142026
most citedR-SFLLM: Jamming Resilient Framework for Split Federated Learning with Large Language Models

3 citations · 5 across the 16 of their papers we have counts for

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12 papers · 1 filter

cs.IT2026

Variational Probabilistic Quantization for Secret Key Generation

Xinyang Li, Vlad C. Andrei, Peter J. Gu +3

Secret key generation from correlated observations at Alice and Bob, in the presence of an eavesdropper Eve, underpins physical-layer security. Classical pipelines quantize by hand…

cs.IT2025

Variational Secret Common Randomness Extraction

Xinyang Li, Vlad C. Andrei, Peter J. Gu +3

This paper studies the problem of extracting common randomness (CR) or secret keys from correlated random sources observed by two legitimate parties, Alice and Bob, through public…

cs.IT2025

Exploiting Beamforming for Enforcing Semantic Secrecy in 5G NR mmWave Communications

Luis Torres-Figueroa, Johannes Voichtleitner, Ullrich J. Mönich +3

We experimentally investigate the performance of semantically-secure physical layer security (PLS) in 5G new radio (NR) mmWave communications during the initial cell search procedu…

cs.IT2025

A Simultaneous Decoding Approach to Joint State and Message Communications

Xinyang Li, Yiqi Chen, Vlad C. Andrei +3

The capacity-distortion (C-D) trade-offs for joint state and message communications (JSMC) over single- and multi-user channels are investigated, where the transmitters have access…

cs.IT2024

An Achievable Rate-Distortion Region for Joint State and Message Communication over Multiple Access Channels

Xinyang Li, Vlad C. Andrei, Ullrich J. Mönich +1

This paper derives an achievable rate-distortion (R-D) region for the state-dependent discrete memoryless multiple access channel (SD-DMMAC), where the generalized feedback and cau…

cs.IT2024

Resilient-By-Design Framework for MIMO-OFDM Communications under Smart Jamming

Vlad C. Andrei, Aladin Djuhera, Xinyang Li +3

Native jamming mitigation is essential for addressing security and resilience in future 6G wireless networks. In this paper a resilient-by-design framework for effective anti-jammi…

cs.IT2024★ 1 cited

An Analysis of Capacity-Distortion Trade-Offs in Memoryless ISAC Systems

Xinyang Li, Vlad C. Andrei, Aladin Djuhera +2

This manuscript investigates the information-theoretic limits of integrated sensing and communications (ISAC), aiming for simultaneous reliable communication and precise channel st…

cs.IT2023

Optimal Linear Precoder Design for MIMO-OFDM Integrated Sensing and Communications Based on Bayesian Cramér-Rao Bound

Xinyang Li, Vlad Costin Andrei, Ullrich J Mönich +1

In this paper, we investigate the fundamental limits of MIMO-OFDM integrated sensing and communications (ISAC) systems based on a Bayesian Cramér-Rao bound (BCRB) analysis. We deri…

cs.IT2023

Optimal and Robust Waveform Design for MIMO-OFDM Channel Sensing: A Cramér-Rao Bound Perspective

Xinyang Li, Vlad C. Andrei, Ullrich J. Mönich +1

Wireless channel sensing is one of the key enablers for integrated sensing and communication (ISAC) which helps communication networks understand the surrounding environment. In th…

cs.IT2022★ 1 cited

On the Need of Analog Signals and Systems for Digital-Twin Representations

Holger Boche, Ullrich J. Mönich, Yannik N. Böck +1

We consider the task of converting different digital descriptions of analog bandlimited signals and systems into each other, with a rigorous application of mathematical computabili…

cs.IT2015

Strong Divergence for System Approximations

Holger Boche, Ullrich J. Mönich

In this paper we analyze the approximation of stable linear time-invariant systems, like the Hilbert transform, by sampling series for bandlimited functions in the Paley-Wiener spa…

cs.IT2014

Signal and System Approximation from General Measurements

Holger Boche, Ullrich J. Mönich

In this paper we analyze the behavior of system approximation processes for stable linear time-invariant (LTI) systems and signals in the Paley-Wiener space PW_π^1. We consider app…